When moving the l4 interconnect instances to probe with simple-pm-bus and
genpd, we will have l4per and core domains stop idling unless we configure
the domain bits to allow retention when idle.
As the TI SoCs have hardware autoidle capabilities, this is safe to do.
The domains will only enter retention on WFI when none of the devices on
the domain block autoidle in the hardware. This follows what we are
already currently doing.
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Tero Kristo <kristo@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Currently, there are two drivers binding to the R-Mobile System
Controller (SYSC):
- The rmobile-sysc driver registers PM domains from a core_initcall(),
and does not use a platform driver,
- The optional rmobile-reset driver registers a reset handler, and
does use a platform driver.
As fw_devlink only considers devices, commit bab2d712ee ("PM:
domains: Mark fwnodes when their powerdomain is added/removed") works
only for PM Domain drivers where the DT node is a real device node, and
not for PM Domain drivers using a hierarchical representation inside a
subnode. Hence if fw_devlink is enabled, probing of on-chip devices
that are part of the SYSC PM domain is deferred until the optional
rmobile-reset driver has been bound. If the rmobile-reset driver is
not available, this will never happen, and thus lead to complete system
boot failures.
Fix this by explicitly marking the fwnode initialized.
Suggested-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210216123958.3180014-1-geert+renesas@glider.be
As of commit b587288001 ("ARM: shmobile: R-Mobile: Remove legacy
PM Domain code"), the R-Mobile System Controller driver no longer
handles the adding of platform devices to PM Domains, but delegates that
to the PM Domain core code.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20210205132141.1920137-1-geert+renesas@glider.be
Include:
- Update for Litex SoC controller to support wider width registers as
well as reset.
- Refactor SMP code to use device tree to define possible cpus.
- Updates build including generating vmlinux.bin
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Merge tag 'for-linus' of git://github.com/openrisc/linux
Pull OpenRISC updates from Stafford Horne:
- Update for Litex SoC controller to support wider width registers as
well as reset.
- Refactor SMP code to use device tree to define possible cpus.
- Update build including generating vmlinux.bin
* tag 'for-linus' of git://github.com/openrisc/linux:
openrisc: Use devicetree to determine present cpus
drivers/soc/litex: Add restart handler
openrisc: add arch/openrisc/Kbuild
drivers/soc/litex: make 'litex_[set|get]_reg()' methods private
drivers/soc/litex: support 32-bit subregisters, 64-bit CPUs
drivers/soc/litex: s/LITEX_REG_SIZE/LITEX_SUBREG_ALIGN/g
drivers/soc/litex: separate MMIO from subregister offset calculation
drivers/soc/litex: move generic accessors to litex.h
openrisc: restart: Call common handlers before hanging
openrisc: Add vmlinux.bin target
I have a handful of new RISC-V related patches for this merge window:
* A check to ensure drivers are properly using uaccess. This isn't
manifesting with any of the drivers I'm currently using, but may catch
errors in new drivers.
* Some preliminary support for the FU740, along with the HiFive
Unleashed it will appear on.
* NUMA support for RISC-V, which involves making the arm64 code generic.
* Support for kasan on the vmalloc region.
* A handful of new drivers for the Kendryte K210, along with the DT
plumbing required to boot on a handful of K210-based boards.
* Support for allocating ASIDs.
* Preliminary support for kernels larger than 128MiB.
* Various other improvements to our KASAN support, including the
utilization of huge pages when allocating the KASAN regions.
We may have already found a bug with the KASAN_VMALLOC code, but it's
passing my tests. There's a fix in the works, but that will probably
miss the merge window.
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Merge tag 'riscv-for-linus-5.12-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
"A handful of new RISC-V related patches for this merge window:
- A check to ensure drivers are properly using uaccess. This isn't
manifesting with any of the drivers I'm currently using, but may
catch errors in new drivers.
- Some preliminary support for the FU740, along with the HiFive
Unleashed it will appear on.
- NUMA support for RISC-V, which involves making the arm64 code
generic.
- Support for kasan on the vmalloc region.
- A handful of new drivers for the Kendryte K210, along with the DT
plumbing required to boot on a handful of K210-based boards.
- Support for allocating ASIDs.
- Preliminary support for kernels larger than 128MiB.
- Various other improvements to our KASAN support, including the
utilization of huge pages when allocating the KASAN regions.
We may have already found a bug with the KASAN_VMALLOC code, but it's
passing my tests. There's a fix in the works, but that will probably
miss the merge window.
* tag 'riscv-for-linus-5.12-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (75 commits)
riscv: Improve kasan population by using hugepages when possible
riscv: Improve kasan population function
riscv: Use KASAN_SHADOW_INIT define for kasan memory initialization
riscv: Improve kasan definitions
riscv: Get rid of MAX_EARLY_MAPPING_SIZE
soc: canaan: Sort the Makefile alphabetically
riscv: Disable KSAN_SANITIZE for vDSO
riscv: Remove unnecessary declaration
riscv: Add Canaan Kendryte K210 SD card defconfig
riscv: Update Canaan Kendryte K210 defconfig
riscv: Add Kendryte KD233 board device tree
riscv: Add SiPeed MAIXDUINO board device tree
riscv: Add SiPeed MAIX GO board device tree
riscv: Add SiPeed MAIX DOCK board device tree
riscv: Add SiPeed MAIX BiT board device tree
riscv: Update Canaan Kendryte K210 device tree
dt-bindings: add resets property to dw-apb-timer
dt-bindings: fix sifive gpio properties
dt-bindings: update sifive uart compatible string
dt-bindings: update sifive clint compatible string
...
The rest of these are alphabetically sorted, and leaving it this way
causes a merge conflict.
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Add a clock provider driver for the Canaan Kendryte K210 RISC-V SoC.
This new driver with the compatible string "canaan,k210-clk" implements
support for the full clock structure of the K210 SoC. Since it is
required for the correct operation of the SoC, this driver is
selected by default for compilation when the SOC_CANAAN option is
selected.
With this change, the k210-sysctl driver is turned into a simple
platform driver which enables its power bus clock and triggers
populating its child nodes. The sysctl driver retains the SOC early
initialization code, but the implementation now relies on the new
function k210_clk_early_init() provided by the new clk-k210 driver.
The clock structure implemented and many of the coding ideas for the
driver come from the work by Sean Anderson on the K210 support for the
U-Boot project.
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
clk drivers that dominate the diffstat because we add support for six SoCs from
that particular vendor. The other big change is the removal of various clk
drivers that are no longer used now that the kernel is dropping support for
those SoCs. Beyond that there's the usual non-critical fixes for existing
drivers and a good number of patches from Lee Jones that cleanup a bunch of W=1
enabled builds.
Removed Drivers:
- Remove efm32 clk driver
- Remove tango4 clk driver
- Remove zte zx clk driver
- Remove sirf prima2/atlast clk drivers
- Remove u300 clk driver
New Drivers:
- PLL support on MStar/SigmaStar ARMv7 SoCs
- CPU clks for Qualcomm SDX55
- GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
- GCC clks for Qualcomm SM8350
- GPU clks for Qualcomm SDM660/SDM630
Updates:
- Video clk fixups on Qualcomm SM8250
- Improvements for multimedia clks on Qualcomm MSM8998
- Fix many warnings with W=1 enabled builds under drivers/clk/
- Support crystal load capacitance for Versaclock VC5
- Add a "skip recall" DT binding for Silicon Labs' si570 to avoid glitches at boot
- Convert Xilinx VCU clk driver to a proper clk provider driver
- Expose Xilinx ZynqMP clk driver to more platforms
- Amlogic pll driver fixup
- Amlogic meson8b clock controller dt support clean up
- Remove mipi clk from the Amlogic axg clock controller
- New Rockchip rk3368 clock ids related to camera input
- Use pr_notice() instead of pr_warn() on i.MX6Q pre-boot ldb_di_clk reparenting
- A series from Liu Ying that adds some SCU clocks support for i.MX8qxp
DC0/MIPI-LVDS subsystems
- A series from Lucas Stach that adds PLL monitor clocks for i.MX8MQ, and
clkout1/2 support for i.MX8MM/MN
- Add I2c and Ethernet (RAVB) clocks on Renesas R-Car V3U
- Add timer (TMU) clocks on most Renesas R-Car Gen3 SoCs
- Add video-related (FCPVD/VSPD/VSPX), watchdog (RWDT), serial
(HSCIF), pincontrol/GPIO (PFC/GPIO), SPI (MSIOF), SDHI, and DMA
(SYS-DMAC) clocks on Renesas R-Car V3U
- Add support for the USB 2.0 clock selector on Renesas RZ/G2 SoCs
- Allwinner H616 SoC clk support
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This is all driver updates, the majority of which is a bunch of new
Qualcomm clk drivers that dominate the diffstat because we add support
for six SoCs from that particular vendor.
The other big change is the removal of various clk drivers that are no
longer used now that the kernel is dropping support for those SoCs.
Beyond that there's the usual non-critical fixes for existing drivers
and a good number of patches from Lee Jones that cleanup a bunch of
W=1 enabled builds.
Removed Drivers:
- Remove efm32 clk driver
- Remove tango4 clk driver
- Remove zte zx clk driver
- Remove sirf prima2/atlast clk drivers
- Remove u300 clk driver
New Drivers:
- PLL support on MStar/SigmaStar ARMv7 SoCs
- CPU clks for Qualcomm SDX55
- GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
- GCC clks for Qualcomm SM8350
- GPU clks for Qualcomm SDM660/SDM630
Updates:
- Video clk fixups on Qualcomm SM8250
- Improvements for multimedia clks on Qualcomm MSM8998
- Fix many warnings with W=1 enabled builds under drivers/clk/
- Support crystal load capacitance for Versaclock VC5
- Add a "skip recall" DT binding for Silicon Labs' si570 to avoid
glitches at boot
- Convert Xilinx VCU clk driver to a proper clk provider driver
- Expose Xilinx ZynqMP clk driver to more platforms
- Amlogic pll driver fixup
- Amlogic meson8b clock controller dt support clean up
- Remove mipi clk from the Amlogic axg clock controller
- New Rockchip rk3368 clock ids related to camera input
- Use pr_notice() instead of pr_warn() on i.MX6Q pre-boot ldb_di_clk
reparenting
- A series from Liu Ying that adds some SCU clocks support for
i.MX8qxp DC0/MIPI-LVDS subsystems
- A series from Lucas Stach that adds PLL monitor clocks for i.MX8MQ,
and clkout1/2 support for i.MX8MM/MN
- Add I2c and Ethernet (RAVB) clocks on Renesas R-Car V3U
- Add timer (TMU) clocks on most Renesas R-Car Gen3 SoCs
- Add video-related (FCPVD/VSPD/VSPX), watchdog (RWDT), serial
(HSCIF), pincontrol/GPIO (PFC/GPIO), SPI (MSIOF), SDHI, and DMA
(SYS-DMAC) clocks on Renesas R-Car V3U
- Add support for the USB 2.0 clock selector on Renesas RZ/G2 SoCs
- Allwinner H616 SoC clk support"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (171 commits)
clk: mstar: msc313-mpll: Fix format specifier
clk: mstar: Allow MStar clk drivers to be compile tested
clk: qoriq: use macros to generate pll_mask
clk: qcom: Add Global Clock controller (GCC) driver for SC7280
dt-bindings: clock: Add SC7280 GCC clock binding
clk: qcom: rpmh: Add support for RPMH clocks on SC7280
dt-bindings: clock: Add RPMHCC bindings for SC7280
clk: qcom: gcc-sm8350: add gdsc
dt-bindings: clock: Add QCOM SDM630 and SDM660 graphics clock bindings
clk: qcom: Add SDM660 GPU Clock Controller (GPUCC) driver
clk: qcom: mmcc-msm8996: Migrate gfx3d clock to clk_rcg2_gfx3d
clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers
dt-bindings: clock: Add support for the SDM630 and SDM660 mmcc
clk: qcom: Add SDM660 Multimedia Clock Controller (MMCC) driver
clk: qcom: gcc-sdm660: Mark GPU CFG AHB clock as critical
clk: qcom: gcc-sdm660: Mark MMSS NoC CFG AHB clock as critical
clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting
clk: qcom: gpucc-msm8998: Add resets, cxc, fix flags on gpu_gx_gdsc
clk: qcom: gdsc: Implement NO_RET_PERIPH flag
clk: mstar: MStar/SigmaStar MPLL driver
...
Updates for SoC specific drivers include a few subsystems that
have their own maintainers but send them through the soc tree:
SCMI firmware:
- add support for a completion interrupt
Reset controllers:
- new driver for BCM4908
- new devm_reset_control_get_optional_exclusive_released()
function
Memory controllers:
- Renesas RZ/G2 support
- Tegra124 interconnect support
- Allow more drivers to be loadable modules
TEE/optee firmware:
- minor code cleanup
The other half of this is SoC specific drivers that do not
belong into any other subsystem, most of them living in
drivers/soc:
- Allwinner/sunxi power management work
- Allwinner H616 support
- ASpeed AST2600 system identification support
- AT91 SAMA7G5 SoC ID driver
- AT91 SoC driver cleanups
- Broadcom BCM4908 power management bus support
- Marvell mbus cleanups
- Mediatek MT8167 power domain support
- Qualcomm socinfo driver support for PMIC
- Qualcomm SoC identification for many more products
- TI Keystone driver cleanups for PRUSS and elsewhere
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Updates for SoC specific drivers include a few subsystems that have
their own maintainers but send them through the soc tree:
SCMI firmware:
- add support for a completion interrupt
Reset controllers:
- new driver for BCM4908
- new devm_reset_control_get_optional_exclusive_released() function
Memory controllers:
- Renesas RZ/G2 support
- Tegra124 interconnect support
- Allow more drivers to be loadable modules
TEE/optee firmware:
- minor code cleanup
The other half of this is SoC specific drivers that do not belong into
any other subsystem, most of them living in drivers/soc:
- Allwinner/sunxi power management work
- Allwinner H616 support
- ASpeed AST2600 system identification support
- AT91 SAMA7G5 SoC ID driver
- AT91 SoC driver cleanups
- Broadcom BCM4908 power management bus support
- Marvell mbus cleanups
- Mediatek MT8167 power domain support
- Qualcomm socinfo driver support for PMIC
- Qualcomm SoC identification for many more products
- TI Keystone driver cleanups for PRUSS and elsewhere"
* tag 'arm-drivers-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (89 commits)
soc: aspeed: socinfo: Add new systems
soc: aspeed: snoop: Add clock control logic
memory: tegra186-emc: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
memory: samsung: exynos5422-dmc: Correct function names in kerneldoc
memory: ti-emif-pm: Drop of_match_ptr from of_device_id table
optee: simplify i2c access
drivers: soc: atmel: fix type for same7
tee: optee: remove need_resched() before cond_resched()
soc: qcom: ocmem: don't return NULL in of_get_ocmem
optee: sync OP-TEE headers
tee: optee: fix 'physical' typos
drivers: optee: use flexible-array member instead of zero-length array
tee: fix some comment typos in header files
soc: ti: k3-ringacc: Use of_device_get_match_data()
soc: ti: pruss: Refactor the CFG sub-module init
soc: mediatek: pm-domains: Don't print an error if child domain is deferred
soc: mediatek: pm-domains: Add domain regulator supply
dt-bindings: power: Add domain regulator supply
soc: mediatek: cmdq: Remove cmdq_pkt_flush()
soc: mediatek: pm-domains: Add support for mt8167
...
This is mostly 32-bit code for SoC platforms, and looks smaller
than any such branch I remember from previous kernels, as most
of this is now handled in other subsystems for modern platforms:
- Minor bugfixes and Kconfig updates for Tegra, Broadcom, i.MX,
Renesas, and Samsung
- Updates to the MAINTAINERS listing for Actions, OMAP, and Samsung
- Samsung SoC driver updates to make them loadable modules
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"This is mostly 32-bit code for SoC platforms, and looks smaller than
any such branch I remember from previous kernels, as most of this is
now handled in other subsystems for modern platforms:
- Minor bugfixes and Kconfig updates for Tegra, Broadcom, i.MX,
Renesas, and Samsung
- Updates to the MAINTAINERS listing for Actions, OMAP, and Samsung
- Samsung SoC driver updates to make them loadable modules"
* tag 'arm-soc-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
MAINTAINERS: arm: samsung: include S3C headers in platform entry
MAINTAINERS: Add linux-actions ML for Actions Semi Arch
ARM: s3c: irq-s3c24xx: staticize local functions
ARM: s3c: irq-s3c24xx: include headers for missing declarations
ARM: s3c: fix fiq for clang IAS
ARM: imx: Remove unused IMX_GPIO_NR() macro
soc: renesas: rcar-sysc: Mark device node OF_POPULATED after init
ARM: OMAP2+: fix spellint typo
MAINTAINERS: Update address for OMAP GPMC driver
soc: renesas: rcar-sysc: Use readl_poll_timeout_atomic()
ARM: bcm: Select BRCMSTB_L2_IRQ for bcm2835
ARM: brcmstb: Add debug UART entry for 72116
ARM: tegra: Don't enable unused PLLs on resume from suspend
soc: samsung: pm_domains: Convert to regular platform driver
soc: samsung: exynos-chipid: correct helpers __init annotation
ARM: mach-imx: imx6ul: Print SOC revision on boot
ARM: imx: mach-imx6ul: remove 14x14 EVK specific PHY fixup
soc: samsung: exynos-chipid: convert to driver and merge exynos-asv
soc: samsung: exynos-asv: handle reading revision register error
soc: samsung: exynos-asv: don't defer early on not-supported SoCs
There are a lot of platforms that have not seen any interesting code
changes in the past five years or more.
I made a list and asked around which ones are no longer in use [1], and
received confirmation about six ARM platforms and the TI C6x architecture
that have all reached the end of their life upstream, with no known
users remaining:
- efm32 -- added in 2011, first Cortex-M, no notable changes after 2013
- picoxcell -- added in 2011, abandoned after 2012 acquisition
- prima2 -- added in 20111, no notable changes since 2015
- tango -- added in 2015, sporadic changes until 2017, but abandoned
- u300 -- added in 2009, no notable changes since 2013
- zx --added in 2015 for both 32, 2017 for 64 bit, no notable changes
- arch/c6x -- added in 2011, but work stalled soon after that
A number of other platforms on the original list turned out to still
have users. In some cases there are out-of-tree patches and users
that plan to contribute them in the future, in other cases the code
is complete and works reliably.
[1] https://lore.kernel.org/lkml/CAK8P3a2DZ8xQp7R=H=wewHnT2=a_=M53QsZOueMVEf7tOZLKNg@mail.gmail.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-platform-removal-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform removals from Arnd Bergmann:
"There are a lot of platforms that have not seen any interesting code
changes in the past five years or more.
I made a list and asked around which ones are no longer in use, and
received confirmation about six ARM platforms and the TI C6x
architecture that have all reached the end of their life upstream,
with no known users remaining:
- efm32 - added in 2011, first Cortex-M, no notable changes after 2013
- picoxcell - added in 2011, abandoned after 2012 acquisition
- prima2 - added in 20111, no notable changes since 2015
- tango - added in 2015, sporadic changes until 2017, but abandoned
- u300 - added in 2009, no notable changes since 2013
- zx - added in 2015 for both 32, 2017 for 64 bit, no notable changes
- arch/c6x - added in 2011, but work stalled soon after that
A number of other platforms on the original list turned out to still
have users. In some cases there are out-of-tree patches and users that
plan to contribute them in the future, in other cases the code is
complete and works reliably"
Link: https://lore.kernel.org/lkml/CAK8P3a2DZ8xQp7R=H=wewHnT2=a_=M53QsZOueMVEf7tOZLKNg@mail.gmail.com/
* tag 'arm-platform-removal-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: remove u300 platform
ARM: remove tango platform
ARM: remove zte zx platform
ARM: remove sirf prima2/atlas platforms
c6x: remove architecture
MAINTAINERS: Remove deleted platform efm32
ARM: drop efm32 platform
ARM: Remove PicoXcell platform support
ARM: dts: Remove PicoXcell platforms
On reset deassert, we must wait a bit after the rstst bit change before
we allow clockdomain autoidle again. Otherwise we get the following oops
sometimes on dra7 with iva:
Unhandled fault: imprecise external abort (0x1406) at 0x00000000
44000000.ocp:L3 Standard Error: MASTER MPU TARGET IVA_CONFIG (Read Link):
At Address: 0x0005A410 : Data Access in User mode during Functional access
Internal error: : 1406 [#1] SMP ARM
...
(sysc_write_sysconfig) from [<c0782cb0>] (sysc_enable_module+0xcc/0x260)
(sysc_enable_module) from [<c0782f0c>] (sysc_runtime_resume+0xc8/0x174)
(sysc_runtime_resume) from [<c0a3e1ac>] (genpd_runtime_resume+0x94/0x224)
(genpd_runtime_resume) from [<c0a33f0c>] (__rpm_callback+0xd8/0x180)
It is unclear what all devices this might affect, but presumably other
devices with the rstst bit too can be affected. So let's just enable the
delay for all the devices with rstst bit for now. Later on we may want to
limit the list to the know affected devices if needed.
Fixes: d30cd83f68 ("soc: ti: omap-prm: add support for denying idle for reset clockdomain")
Reported-by: Yongqin Liu <yongqin.liu@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Yongqin Liu <yongqin.liu@linaro.org> reported an issue where reboot hangs
on beagleboard-x15. This started happening after commit 7078a5ba7a
("soc: ti: omap-prm: Fix boot time errors for rst_map_012 bits 0 and 1").
We now assert any 012 type resets on init to prevent unconfigured
accelerator MMUs getting enabled on init depending on the bootloader or
kexec configured state.
Turns out that we now also wrongly assert dra7 l3init domain PCIe reset
bits causing a hang during reboot. Let's fix the l3init reset bits to
use a 01 map instead of 012 map. There are only two rstctrl bits and not
three. This is documented in TRM "Table 3-1647. RM_PCIESS_RSTCTRL".
Fixes: 5a68c87afd ("soc: ti: omap-prm: dra7: add genpd support for remaining PRM instances")
Fixes: 7078a5ba7a ("soc: ti: omap-prm: Fix boot time errors for rst_map_012 bits 0 and 1")
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Reported-by: Yongqin Liu <yongqin.liu@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
- Clock control logic for LPC snoop driver
- New system ids for AST2600 variants
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Merge tag 'aspeed-5.12-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed into arm/drivers
ASPEED soc driver updates for 5.12
- Clock control logic for LPC snoop driver
- New system ids for AST2600 variants
* tag 'aspeed-5.12-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed:
soc: aspeed: socinfo: Add new systems
soc: aspeed: snoop: Add clock control logic
Link: https://lore.kernel.org/r/CACPK8Xf+4VkWC6rkHhsWdwhaLjy2Az=GAHaEe=SvOiUc_OGKSQ@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Aspeed's u-boot sdk has been updated with the SoC IDs for the AST2605
variant, as well as A2 and A3 variants of the 2600 family.
>From u-boot's arch/arm/mach-aspeed/ast2600/scu_info.c:
SOC_ID("AST2600-A0", 0x0500030305000303),
SOC_ID("AST2600-A1", 0x0501030305010303),
SOC_ID("AST2620-A1", 0x0501020305010203),
SOC_ID("AST2600-A2", 0x0502030305010303),
SOC_ID("AST2620-A2", 0x0502020305010203),
SOC_ID("AST2605-A2", 0x0502010305010103),
SOC_ID("AST2600-A3", 0x0503030305030303),
SOC_ID("AST2620-A3", 0x0503020305030203),
SOC_ID("AST2605-A3", 0x0503010305030103),
Fixes: e0218dca57 ("soc: aspeed: Add soc info driver")
Link: https://lore.kernel.org/r/20210210114651.334324-1-joel@jms.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>
If LPC SNOOP driver is registered ahead of lpc-ctrl module, LPC
SNOOP block will be enabled without heart beating of LCLK until
lpc-ctrl enables the LCLK. This issue causes improper handling on
host interrupts when the host sends interrupt in that time frame.
Then kernel eventually forcibly disables the interrupt with
dumping stack and printing a 'nobody cared this irq' message out.
To prevent this issue, all LPC sub-nodes should enable LCLK
individually so this patch adds clock control logic into the LPC
SNOOP driver.
Fixes: 3772e5da44 ("drivers/misc: Aspeed LPC snoop output using misc chardev")
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com>
Signed-off-by: Vernon Mauery <vernon.mauery@linux.intel.com>
Signed-off-by: John Wang <wangzhiqiang.bj@bytedance.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20201208091748.1920-1-wangzhiqiang.bj@bytedance.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
- Change soc-imx8m to use platform driver, so that defer probe can be
used to resolve dependency on OCOTP clock.
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Merge tag 'imx-drivers-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers change for 5.12:
- Change soc-imx8m to use platform driver, so that defer probe can be
used to resolve dependency on OCOTP clock.
* tag 'imx-drivers-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx8m: change to use platform driver
Link: https://lore.kernel.org/r/20210204120150.26186-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The socinfo driver gains support for dumping information about the platform's
PMICs, as well as new definitions for a number of platforms. The LLCC driver
gains SM8250 support, AOSS QMP gains SM8350 support and the RPMPD driver gains
support for MSM8994 power domains. In addition to this it contains a few minor
fixes in the ocmem, rpmh and llcc drivers.
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Merge tag 'qcom-drivers-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm driver updates for 5.12
The socinfo driver gains support for dumping information about the platform's
PMICs, as well as new definitions for a number of platforms. The LLCC driver
gains SM8250 support, AOSS QMP gains SM8350 support and the RPMPD driver gains
support for MSM8994 power domains. In addition to this it contains a few minor
fixes in the ocmem, rpmh and llcc drivers.
* tag 'qcom-drivers-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: ocmem: don't return NULL in of_get_ocmem
soc: qcom: socinfo: Remove unwanted le32_to_cpu()
soc: qcom: aoss: Add SM8350 compatible
drivers: soc: qcom: rpmpd: Add msm8994 RPM Power Domains
soc: qcom: socinfo: Fix an off by one in qcom_show_pmic_model()
soc: qcom: socinfo: Fix off-by-one array index bounds check
soc: qcom: socinfo: Add MDM9607 IDs
soc: qcom: socinfo: Add SoC IDs for APQ/MSM8998
soc: qcom: socinfo: Add SoC IDs for 630 family
soc: qcom: socinfo: Open read access to all for debugfs
soc: qcom: socinfo: add info from PMIC models array
soc: qcom: socinfo: add several PMIC IDs
soc: qcom: socinfo: add qrb5165 SoC ID
soc: qcom: rpmh: Remove serialization of TCS commands
soc: qcom: smem: use %*ph to print small buffer
dt-bindings: soc: qcom: convert qcom,smem bindings to yaml
drivers: qcom: rpmh-rsc: Do not read back the register write on trigger
soc: qcom: llcc-qcom: Add support for SM8250 SoC
soc: qcom: llcc-qcom: Extract major hardware version
dt-bindings: msm: Add LLCC for SM8250
Link: https://lore.kernel.org/r/20210204052258.388890-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The xlnx_vcu driver is actually a clock controller driver which provides
clocks that can be used by a driver for the encoder/decoder units. There
is no reason to keep this driver in soc. Move the driver to clk.
NOTE: The register mapping actually contains registers for AXI
performance monitoring, but these are not used by the driver.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-16-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Fixes the following checkpatch check:
CHECK: Alignment should match open parenthesis
#610: FILE: drivers/soc/xilinx/xlnx_vcu.c:610:
+ xvcu->vcu_slcr_ba = devm_ioremap(&pdev->dev, res->start,
+ resource_size(res));
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-15-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Fixes the following checkpatch warning:
WARNING: Possible repeated word: 'the'
#703: FILE: drivers/soc/xilinx/xlnx_vcu.c:703:
+ /* Add the the Gasket isolation and put the VCU in reset. */
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-14-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This makes the register accesses more readable and is closer to what is
usually used in the kernel.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-13-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
As the consumers are now responsible for setting the clock rate via
clock framework, the clock rate is now calculated using round_rate and
the driver does not need to calculate the clock rate beforehand.
Remove the code that calculates the PLL configuration.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-12-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Do not configure the PLL when probing the driver, but register the clock
in the clock framework and do the configuration based on the respective
callbacks.
This is necessary to allow the consumers, i.e., encoder and decoder
drivers, of the xlnx_vcu clock provider to set the clock rate and
actually enable the clocks without relying on some pre-configuration.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-11-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
According to the downstream driver documentation due to timing
constraints the output divider of the PLL has to be set to 1/2. Add a
helper function for that check instead of burying the code in one large
setup function.
The bit is undocumented and marked as reserved in the register
reference.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-10-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The VCU System-Level Control uses an internal PLL to drive the core and
MCU clock for the allegro encoder and decoder based on an external PL
clock.
In order be able to ensure that the clocks are enabled and to get their
rate from other drivers, the module must implement a clock provider and
register the clocks at the common clock framework. Other drivers are
then able to access the clock via devicetree bindings.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-9-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Currently, xvcu_pll_set_rate configures the PLL to a clock rate that is
pre-calculated when probing the driver. To still make the clock
framework aware of the PLL and to allow to configure other clocks based
on the PLL rate, register the PLL as a fixed rate clock.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-8-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The disabling of the PLL is not fully implemented, because according to
the ZynqMP register reference the RESET, POR_IN and PWR_POR bits have to
be set to bring the PLL into reset.
Set the bits to disable the PLL.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-7-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The xvcu_set_vcu_pll_info function sets the rate of the PLL and enables
it, which makes it difficult to cleanly convert the driver to the common
clock framework.
Split the function and add separate functions for setting the rate,
enabling the clock and disabling the clock.
Also move the enable of the reference clock from probe to the helper
that enables the PLL.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-6-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Extract a helper function to wait until the PLL is locked. Also,
disabling the bypass was buried in the exit path on the wait loop.
Separate the different steps and add a helper function to make the code
more readable.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-5-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The coreclk field is newer read after being written to xlnx_vcu. Remove
the coreclk field from the xlnx_vcu and use a function local variable
instead.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210121071659.1226489-4-m.tretter@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
1. Decouple Mediatek DRM sub driver
2. Share mtk mutex driver for both DRM and MDP
3. Add support for SoC MT8183
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Merge tag 'mediatek-drm-next-5.12' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
Mediatek DRM Next for Linux 5.12
1. Decouple Mediatek DRM sub driver
2. Share mtk mutex driver for both DRM and MDP
3. Add support for SoC MT8183
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210204151750.7550-1-chunkuang.hu@kernel.org
A missing comma caused a build failure:
drivers/soc/atmel/soc.c:196:24: error: too few arguments provided to function-like macro invocation
Fixes: af3a10513c ("drivers: soc: atmel: add per soc id and version match masks")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
mtk mutex is used by DRM and MDP driver, and its function is SoC-specific,
so move it to soc folder.
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
The code fixes in this round are all for the Texas Instruments OMAP
platform, addressing several regressions related to the ti-sysc
interconnect changes that was merged in linux-5.11 and one recently
introduced RCU usage warning.
Tero Kristo updates his maintainer file entries as he is changing
to a new employer.
The other changes are for devicetree files across eight different
platforms:
TI OMAP:
- multiple gpio related one-line fixes
Allwinner/sunxi:
- ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
- soc: sunxi: mbus: Remove DE2 display engine compatibles
NXP lpc32xx:
- ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
STMicroelectronics stm32
- multiple minor fixes for DHCOM/DHCOR boards
NXP Layerscape:
- Fix DCFG address range on LS1046A SoC
Amlogic meson:
- fix reboot issue on odroid C4
- revert an ethernet change that caused a regression
- meson-g12: Set FL-adj property value
Rockchip:
- multiple minor fixes on 64-bit rockchip machines
Qualcomm:
- Regression fixes for Lenovo Yoga touchpad and for
interconnect configuration
- Boot fixes for 'LPASS' clock configuration on two machines
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"The code fixes in this round are all for the Texas Instruments OMAP
platform, addressing several regressions related to the ti-sysc
interconnect changes that was merged in linux-5.11 and one recently
introduced RCU usage warning.
Tero Kristo updates his maintainer file entries as he is changing to a
new employer.
The other changes are for devicetree files across eight different
platforms:
TI OMAP:
- multiple gpio related one-line fixes
Allwinner/sunxi:
- ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
- soc: sunxi: mbus: Remove DE2 display engine compatibles
NXP lpc32xx:
- ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
STMicroelectronics stm32
- multiple minor fixes for DHCOM/DHCOR boards
NXP Layerscape:
- Fix DCFG address range on LS1046A SoC
Amlogic meson:
- fix reboot issue on odroid C4
- revert an ethernet change that caused a regression
- meson-g12: Set FL-adj property value
Rockchip:
- multiple minor fixes on 64-bit rockchip machines
Qualcomm:
- Regression fixes for Lenovo Yoga touchpad and for interconnect
configuration
- Boot fixes for 'LPASS' clock configuration on two machines"
* tag 'arm-soc-fixes-v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (31 commits)
ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
arm64: dts: ls1046a: fix dcfg address range
soc: sunxi: mbus: Remove DE2 display engine compatibles
arm64: dts: meson: switch TFLASH_VDD_EN pin to open drain on Odroid-C4
Revert "arm64: dts: amlogic: add missing ethernet reset ID"
arm64: dts: rockchip: Disable display for NanoPi R2S
ARM: dts: omap4-droid4: Fix lost keypad slide interrupts for droid4
arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec node
drivers: bus: simple-pm-bus: Fix compatibility with simple-bus for auxdata
ARM: OMAP2+: Fix booting for am335x after moving to simple-pm-bus
ARM: OMAP2+: Fix suspcious RCU usage splats for omap_enter_idle_coupled
ARM: dts: stm32: Fix GPIO hog flags on DHCOM DRC02
ARM: dts: stm32: Fix GPIO hog flags on DHCOM PicoITX
ARM: dts: stm32: Fix GPIO hog names on DHCOM
ARM: dts: stm32: Disable optional TSC2004 on DRC02 board
ARM: dts: stm32: Disable WP on DHCOM uSD slot
ARM: dts: stm32: Connect card-detect signal on DHCOM
ARM: dts: stm32: Fix polarity of the DH DRC02 uSD card detect
arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc
...
SoCs with the Display Engine 2
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Merge tag 'sunxi-fixes-for-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
One fix for a phy-mode ethernet issue, and one to fix the display output on
SoCs with the Display Engine 2
* tag 'sunxi-fixes-for-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
soc: sunxi: mbus: Remove DE2 display engine compatibles
Link: https://lore.kernel.org/r/f8298059-f9ca-43b4-9e29-35bc0e0c9b15.lettre@localhost
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- add support for MT8167
- add support for regulator needed by a PM domain
- make error message in deferred probe case better
cmdq-helper:
- remove arch specific flush function, use mailbox rx_callback instead
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Merge tag 'v5.11-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/drivers
pm-domains:
- add support for MT8167
- add support for regulator needed by a PM domain
- make error message in deferred probe case better
cmdq-helper:
- remove arch specific flush function, use mailbox rx_callback instead
* tag 'v5.11-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
soc: mediatek: pm-domains: Don't print an error if child domain is deferred
soc: mediatek: pm-domains: Add domain regulator supply
dt-bindings: power: Add domain regulator supply
soc: mediatek: cmdq: Remove cmdq_pkt_flush()
soc: mediatek: pm-domains: Add support for mt8167
dt-bindings: power: Add MT8167 power domains
Link: https://lore.kernel.org/r/5faa52c2-0ddb-b809-7444-ce6f6ff6d8ad@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
If ocmem probe fails for whatever reason, of_get_ocmem returned NULL.
Without this, users must check for both NULL and IS_ERR on the returned
pointer - which didn't happen in drivers/gpu/drm/msm/adreno/adreno_gpu.c
leading to a NULL pointer dereference.
Reviewed-by: Brian Masney <masneyb@onstation.org>
Fixes: 88c1e9404f ("soc: qcom: add OCMEM driver")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20210130142349.53335-1-luca@z3ntu.xyz
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Updates include:
- Navigator refcount correction
- probe fix in pm driver
- fix clock init for PRUSS
- PRUSS binding doc update
- of_device_get_match_data() use in ringacc
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Merge tag 'drivers_soc_for_5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into arm/drivers
drivers: soc: Keystone update for v5.12
Updates include:
- Navigator refcount correction
- probe fix in pm driver
- fix clock init for PRUSS
- PRUSS binding doc update
- of_device_get_match_data() use in ringacc
* tag 'drivers_soc_for_5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
soc: ti: k3-ringacc: Use of_device_get_match_data()
soc: ti: pruss: Refactor the CFG sub-module init
dt-bindings: soc: ti: Update TI PRUSS bindings about schemas to include
soc: ti: pruss: Correct the pruss_clk_init error trace text
soc: ti: pm33xx: Fix some resource leak in the error handling paths of the probe function
soc: ti: knav_qmss: Put refcount for dev node in failure case
Link: https://lore.kernel.org/r/1612156854-10929-1-git-send-email-santosh.shilimkar@oracle.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
please pull the following:
- Rafal adds support for the Power Management Bus (PMB) which is used in
a variety of DSL/Cable modem/STB SoCs with a primary target being the
4908 Wi-Fi SoC from the DSL organization. He also adds empty stubs to
get the chip identification (family and revision) to permit the
Broadcom STB USB PHY driver from being decoupled from ARCH_BRCMSTB
- Florian removes an unused function and its header
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Merge tag 'arm-soc/for-5.12/drivers' of https://github.com/Broadcom/stblinux into arm/drivers
This pull request contains Broadcom SoCs drivers changes for 5.12,
please pull the following:
- Rafal adds support for the Power Management Bus (PMB) which is used in
a variety of DSL/Cable modem/STB SoCs with a primary target being the
4908 Wi-Fi SoC from the DSL organization. He also adds empty stubs to
get the chip identification (family and revision) to permit the
Broadcom STB USB PHY driver from being decoupled from ARCH_BRCMSTB
- Florian removes an unused function and its header
* tag 'arm-soc/for-5.12/drivers' of https://github.com/Broadcom/stblinux:
soc: bcm: brcmstb: Remove soc_is_brcmstb()
soc: bcm: brcmstb: add stubs for getting platform IDs
soc: bcm: add PM driver for Broadcom's PMB
dt-bindings: power: document Broadcom's PMB binding
Link: https://lore.kernel.org/r/20210131221721.685974-5-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
suspend / resume support for our RSB bus, and support for the H616
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Merge tag 'sunxi-drivers-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/drivers
Some new drivers changes for the Allwinner SoCs, but mostly runtime_pm and
suspend / resume support for our RSB bus, and support for the H616
* tag 'sunxi-drivers-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
dt-bindings: bus: rsb: Add H616 compatible string
soc: sunxi: sram: Add support for more than one EMAC clock
dt-bindings: sram: sunxi-sram: Add H616 compatible string
mfd/bus: sunxi-rsb: Make .remove() callback return void
bus: sunxi-rsb: Implement runtime power management
bus: sunxi-rsb: Implement suspend/resume/shutdown callbacks
bus: sunxi-rsb: Split out controller init/exit functions
bus: sunxi-rsb: Move OF match table
Link: https://lore.kernel.org/r/91f2980f-266f-41f2-ba10-5a395625498c.lettre@localhost
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Simplify the retrieval of getting the match data in the probe
function by directly using of_device_get_match_data() instead
of using of_match_node() and getting data.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The CFG sub-module is not present on some earlier SoCs like the
DA850/OMAPL-138 in the TI Davinci family. Refactor out the CFG
sub-module parse and initialization logic into a separate function
to make it easier to add logic for the PRUSS IP on the above legacy
SoC families.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Child domains can be deferred by the core because one of its resources
is not available yet, in such case, it will print an error, but
later it will succeed to probe. Fix that using the dev_err_probe()
function so it only prints an error on a real error.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Hsin-Yi Wang <hsinyi@chromium.org>
Link: https://lore.kernel.org/r/20210113213012.67643-1-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Some power domains (eg. mfg) needs to turn on power supply before power
on.
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210129101208.2625249-3-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
rx_callback is a standard mailbox callback mechanism and could
cover the function of proprietary cmdq_task_cb, so it is better
to use the standard one instead of the proprietary one. But
register rx_callback should before mbox_request_channel(),
so remove cmdq_pkt_flush() and let client driver implement
its own synchronous flush.
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://lore.kernel.org/r/20201202235856.7652-1-chunkuang.hu@kernel.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Add the needed board data to support mt8167 SoC.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201209133238.384030-2-fparent@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The LiteX SOC controller driver makes use of IOMEM functions like
devm_platform_ioremap_resource(), which are only available if
CONFIG_HAS_IOMEM is defined.
This causes the driver to be enable under make ARCH=um allyesconfig,
even though it won't build.
By adding a dependency on HAS_IOMEM, the driver will not be enabled on
architectures which don't support it.
Fixes: 22447a99c9 ("drivers/soc/litex: add LiteX SoC Controller driver")
Signed-off-by: David Gow <davidgow@google.com>
[shorne@gmail.com: Fix typo in commit message pointed out in review]
Signed-off-by: Stafford Horne <shorne@gmail.com>
The R-Car System Controller (SYSC) driver registers PM domains from an
early_initcall(). It does not use a platform driver, as secondary CPU
startup on R-Car H1 needs to control the CPU power domains, before
initialization of the driver framework.
As fw_devlink only considers devices, it does not know that the System
Controller is ready. Hence probing of on-chip devices that are part of
the SYSC PM domain fails if fw_devlink is enabled:
probe deferral - supplier e6180000.system-controller not ready
Fix this by setting the OF_POPULATED flag for the SYSC device node after
successful initialization. This will make of_link_to_phandle() ignore
the SYSC device node as a dependency, and consumer devices will be
probed again.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210128082847.2205950-1-geert+renesas@glider.be
drivers/net/can/dev.c
b552766c87 ("can: dev: prevent potential information leak in can_fill_info()")
3e77f70e73 ("can: dev: move driver related infrastructure into separate subdir")
0a042c6ec9 ("can: dev: move netlink related code into seperate file")
Code move.
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
57ac4a31c4 ("net/mlx5e: Correctly handle changing the number of queues when the interface is down")
214baf2287 ("net/mlx5e: Support HTB offload")
Adjacent code changes
net/switchdev/switchdev.c
20776b465c ("net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP")
ffb68fc58e ("net: switchdev: remove the transaction structure from port object notifiers")
bae33f2b5a ("net: switchdev: remove the transaction structure from port attributes")
Transaction parameter gets dropped otherwise keep the fix.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
These are the current arm-soc bug fixes for linux-5.11. I already merged
a larger set that just came in during the past three days but has not
had much exposure in linux-next, so these are the ones I merged last week.
Most of these are for the NXP i.MX platform (descriptions from their
pull request):
- Fix pcf2127 reset for imx7d-flex-concentrator board.
- Fix i.MX6 suspend with Thumb-2 kernel.
- Fix ethernet-phy address issue on imx6qdl-sr-som board.
- Fix GPIO3 `gpio-ranges` on i.MX8MP.
- Select SOC_BUS for IMX_SCU driver to fix build issue.
- Fix backlight pwm on imx6qdl-kontron-samx6i which is lost from
#pwm-cells conversion.
- Fix duplicated bus node name for i.MX8MN SoC.
- Fix reset register offset on LS1028A SoC.
- Rename MMC node aliases for imx6q-tbs2910 to keep the MMC device
index consistent with previous kernel version.
- Selecting ARM_GIC_V3 on non-CP15 processors to fix one build failure
with i.MX8M SoC driver.
- Fix typos with status property on imx6qdl-kontron-samx6i board.
- Fix duplicated regulator-name on imx6qdl-gw52xx board.
Aside from i.MX, the bugfixes are all over the place:
- Coccinelle found a refcount imbalance on integrator
- defconfig fix for TI K3
- A boot regression fix for ST ux500
- A code preemption fix for the optee driver
- USB DMA regression on Broadcom Stingray
- A bogus boot time warning fix for at91 code
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-v5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"These are the current arm-soc bug fixes for linux-5.11. I already
merged a larger set that just came in during the past three days but
has not had much exposure in linux-next, but this is the subset I
merged last week.
Most of these are for the NXP i.MX platform (descriptions from their
pull request):
- Fix pcf2127 reset for imx7d-flex-concentrator board.
- Fix i.MX6 suspend with Thumb-2 kernel.
- Fix ethernet-phy address issue on imx6qdl-sr-som board.
- Fix GPIO3 `gpio-ranges` on i.MX8MP.
- Select SOC_BUS for IMX_SCU driver to fix build issue.
- Fix backlight pwm on imx6qdl-kontron-samx6i which is lost from
#pwm-cells conversion.
- Fix duplicated bus node name for i.MX8MN SoC.
- Fix reset register offset on LS1028A SoC.
- Rename MMC node aliases for imx6q-tbs2910 to keep the MMC device
index consistent with previous kernel version.
- Selecting ARM_GIC_V3 on non-CP15 processors to fix one build
failure with i.MX8M SoC driver.
- Fix typos with status property on imx6qdl-kontron-samx6i board.
- Fix duplicated regulator-name on imx6qdl-gw52xx board.
Aside from i.MX, the bugfixes are all over the place:
- Coccinelle found a refcount imbalance on integrator
- defconfig fix for TI K3
- A boot regression fix for ST ux500
- A code preemption fix for the optee driver
- USB DMA regression on Broadcom Stingray
- A bogus boot time warning fix for at91 code"
* tag 'arm-soc-fixes-v5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
MAINTAINERS: Include bcm2835 subsequents into search
arm64: dts: broadcom: Fix USB DMA address translation for Stingray
drivers: soc: atmel: add null entry at the end of at91_soc_allowed_list[]
drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs
tee: optee: replace might_sleep with cond_resched
firmware: imx: select SOC_BUS to fix firmware build
arm64: dts: imx8mp: Correct the gpio ranges of gpio3
ARM: dts: imx6qdl-sr-som: fix some cubox-i platforms
ARM: imx: build suspend-imx6.S with arm instruction set
ARM: dts: imx7d-flex-concentrator: fix pcf2127 reset
ARM: dts: ux500: Reserve memory carveouts
arm64: defconfig: Drop unused K3 SoC specific options
bus: arm-integrator-lm: Add of_node_put() before return statement
ARM: dts: imx6qdl-gw52xx: fix duplicate regulator naming
ARM: dts: imx6qdl-kontron-samx6i: fix i2c_lcd/cam default status
ARM: imx: fix imx8m dependencies
ARM: dts: tbs2910: rename MMC node aliases
arm64: dts: ls1028a: fix the offset of the reset register
arm64: dts: imx8mn: Fix duplicate node name
ARM: dts: imx6qdl-kontron-samx6i: fix pwms for lcd-backlight
The recent changes to switch SoCs to boot with ti-sysc interconnect
target module driver and genpd caused few regressions:
- The omap_prm reset driver needs to clear any reset bits deasserted by
the bootloader or kexec boot for the three reset bit cases. Otherwise
we can have an oops with accelerators starting to boot with potentially
unconfigured MMU for example
- Custom kernel configs are not automatically selecting simple-pm-bus
driver that we now need to probe interconnects so we need to select it
always
- We are not passing legacy platform data in auxdata with simple-pm-bus
like we do for simple-bus. We need to pass auxdata to simple-pm-bus so
it can pass it to of_platform_populate()
Then recent RCU changes started causing splats for cpuidle44xx that now
need RCU_NONIDLE added to the calls in several places
And then we have few device specific fixes:
- We need to remove legacy spi-cs-hig for gta04 display to work, and
set the gpio to active low
- Omap1 specific ohci-omap needs to call gpio_free()
- Droid4 needs to use padconf interrupt for the slider as the edge
gpio interrupts may be lost for deeper idle states
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Merge tag 'omap-for-v5.11/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.11-rc cycle
The recent changes to switch SoCs to boot with ti-sysc interconnect
target module driver and genpd caused few regressions:
- The omap_prm reset driver needs to clear any reset bits deasserted by
the bootloader or kexec boot for the three reset bit cases. Otherwise
we can have an oops with accelerators starting to boot with potentially
unconfigured MMU for example
- Custom kernel configs are not automatically selecting simple-pm-bus
driver that we now need to probe interconnects so we need to select it
always
- We are not passing legacy platform data in auxdata with simple-pm-bus
like we do for simple-bus. We need to pass auxdata to simple-pm-bus so
it can pass it to of_platform_populate()
Then recent RCU changes started causing splats for cpuidle44xx that now
need RCU_NONIDLE added to the calls in several places
And then we have few device specific fixes:
- We need to remove legacy spi-cs-hig for gta04 display to work, and
set the gpio to active low
- Omap1 specific ohci-omap needs to call gpio_free()
- Droid4 needs to use padconf interrupt for the slider as the edge
gpio interrupts may be lost for deeper idle states
* tag 'omap-for-v5.11/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: omap4-droid4: Fix lost keypad slide interrupts for droid4
drivers: bus: simple-pm-bus: Fix compatibility with simple-bus for auxdata
ARM: OMAP2+: Fix booting for am335x after moving to simple-pm-bus
ARM: OMAP2+: Fix suspcious RCU usage splats for omap_enter_idle_coupled
ARM: dts; gta04: SPI panel chip select is active low
soc: ti: omap-prm: Fix boot time errors for rst_map_012 bits 0 and 1
ARM: OMAP1: OSK: fix ohci-omap breakage
DTS: ARM: gta04: remove legacy spi-cs-high to make display work again
Link: https://lore.kernel.org/r/pull-1611818709-243493@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The DE2 display engine hardware takes physical addresses that do not
need PHYS_BASE subtracted. As a result, they should not be present
on the mbus driver match list. Remove them.
This was tested on the A83T, along with the patch allowing the DMA
range map to be non-NULL and restores a working display.
Fixes: b4bdc4fbf8 ("soc: sunxi: Deal with the MBUS DMA offsets in a central place")
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210115175831.1184260-2-paul.kocialkowski@bootlin.com
The Allwinner H616 adds a second EMAC clock register at offset 0x34, for
controlling the second EMAC in this chip.
Allow to extend the regmap in this case, to cover more than the current
4 bytes exported.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210127172500.13356-9-andre.przywara@arm.com
Remove extra le32_to_cpu() conversion, data is already converted from
le32 to cpu endianness. This fixes two following warnings:
drivers/soc/qcom/socinfo.c:322:36: sparse: sparse: cast to restricted __le32
drivers/soc/qcom/socinfo.c:323:36: sparse: sparse: cast to restricted __le32
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: 734c78e7fe ("soc: qcom: socinfo: add info from PMIC models array")
Link: https://lore.kernel.org/r/20210118152236.514776-1-dmitry.baryshkov@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
We have no in tree or out of tree users of this function, remove it and
the header providing its prototype.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
SAMA7G5 has different masks for chip ID and chip version on CIDR
register compared to previous AT91 SoCs. For this the commit adapts
the code for SAMA7G5 addition by introducing 2 new members in
struct at91_soc and fill them properly and also preparing the
parsing of proper DT binding.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/1611318097-8970-6-git-send-email-claudiu.beznea@microchip.com
of_match_node() calls __of_match_node() which loops though the entries of
matches array. It stops when condition:
(matches->name[0] || matches->type[0] || matches->compatible[0]) is
false. Thus, add a null entry at the end of at91_soc_allowed_list[]
array.
Fixes: caab13b496 ("drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs")
Cc: stable@vger.kernel.org #4.12+
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
MSM8994 uses similar to MSM8996, legacy-style voltage
control, but does not include a VDD_SC_CX line.
This setup is also correct for MSM8992.
Do note that there exist some boards that use a tertiary PMIC
(most likely pm8004), where SMPB on VDDGFX becomes SMPC. I
cannot test this configuration though.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210118161943.105733-1-konrad.dybcio@somainline.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The pruss_clk_init() function can register more than one clock.
Correct the existing misleading error trace upon a failure within
this function.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
'am33xx_pm_rtc_setup()' allocates some resources that must be freed on the
error. Commit 2152fbbd47 ("soc: ti: pm33xx: Simplify RTC usage to prepare
to drop platform data") has introduced the use of these resources but has
only updated the remove function.
Fix the error handling path of the probe function now.
Fixes: 2152fbbd47 ("soc: ti: pm33xx: Simplify RTC usage to prepare to drop platform data")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
for_each_child_of_node increases refcount for each device_node and decreases previous one
in a loop, but in case jump out of a loop current node refcount has no chnase for decreases
so requires an of_node_put for jupm out cases.
Fix based on raport from
scripts/coccinelle/iterators/for_each_child.cocci
Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Pickup fixes that went upstream already in order to resolve conflicts in
litex_soc_ctrl.c between 5.11 fixes that went upstream and the
or1k-5.12-updates linux-next queue.
Signed-off-by: Stafford Horne <shorne@gmail.com>
of_match_node() calls __of_match_node() which loops though the entries of
matches array. It stops when condition:
(matches->name[0] || matches->type[0] || matches->compatible[0]) is
false. Thus, add a null entry at the end of at91_soc_allowed_list[]
array.
Fixes: caab13b496 ("drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs")
Cc: stable@vger.kernel.org #4.12+
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Since at91_soc_init is called unconditionally from atmel_soc_device_init,
we get the following warning on all non AT91 SoCs:
" AT91: Could not find identification node"
Fix the same by filtering with allowed AT91 SoC list.
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: stable@vger.kernel.org #4.12+
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201211135846.1334322-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add a helper that takes a virtual address rather than the muram
offset. This will be used in a couple of places to avoid having to
store both the offset and the virtual address, as well as removing
NULL checks from the callers.
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The two functions cpm_muram_offset() and cpm_muram_dma() both need a
cast currently, one casts muram_vbase to do the pointer arithmetic on
void pointers, the other casts the passed-in address u8*.
It's simpler and more consistent to just always use void* and drop all
the casting.
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Allow passing const-qualified pointers without requiring a cast in the
caller.
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Let the LiteX SoC Controller register a restart handler, which resets
the LiteX SoC by writing 1 to CSR_CTRL_RESET_ADDR.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stafford Horne <shorne@gmail.com>
These need to be < ARRAY_SIZE() instead of <= ARRAY_SIZE() to prevent
accessing one element beyond the end of the array.
Acked-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Fixes: e9247e2ce5 ("soc: qcom: socinfo: fix printing of pmic_model")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YAf+o85Z9lgkq3Nw@mwanda
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
There is an off-by-one array index bounds check on array
pmic_models. Fix this by checking using < rather than <= on
the array size.
Addresses-Coverity: ("Out-of-bounds read")
Fixes: 734c78e7fe ("soc: qcom: socinfo: add info from PMIC models array")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210118113651.71955-1-colin.king@canonical.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The ZTE ZX set-top-box SoC platform was added in 2015 by Jun Nie, with
Baoyou Xie and Shawn Guo subsequently becoming maintainers after the
addition of the 64-bit variant.
However, the only machines that were ever supported upstream are the
reference designs, not actual set-top-box devices that would benefit
from this support. All ZTE set-top-boxes from the past few years seem
to be based on third-party SoCs. While there is very little information
about zx296702 and zx296718 on the web, I found some references to other
chips from the same family, such as zx296716 and zx296719, which were
never submitted for upstream support. Finally, there is no support for
the GPU on either of them, with the lima and panfrost device drivers
having been added after work on the zx platform had stopped.
Shawn confirmed that he has not seen any interest in this platform for
the past four years, and that it can be removed.
Thanks to Jun and Shawn for maintaining this platform over the past
five years.
Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
When Exynos power domain driver was introduced, the only way to ensure
that power domains will be instantiated before the devices which belongs
to them was to initialize them early enough, before the devices are
instantiated in the system. This in turn required not to use any platform
device infrastructure at all, as there have been no way to ensure proper
probe order between devices.
This has been finally changed and upcomming patch "driver core: Set
fw_devlink=on by default" ensures that each device will be probbed only
when its resource providers are ready. This allows to convert Exynos
power domain driver to regular platform driver.
This is also required by the mentioned commit to enable probing any
device which belongs to the Exynos power domains, as otherwise the core
won't notice that the power domains are in fact available.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20210113110320.13149-1-m.szyprowski@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
There doesn't seem to be any reason to limit this to only root user
readable. Let's make it readable by all so that random programs can
read the debugfs files in here instead of just root. The information is
just that, informational, so this is fine.
Reviewed-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Cc: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20201216071926.3147108-1-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Introduce the header file include/soc/canaan/k210-sysctl.h to have a
common definition of the Canaan Kendryte K210 SoC system controller
registers. Simplify the k210 system controller driver code by removing
unused register bits definition. The MAINTAINERS file is updated,
adding the entry "CANAAN/KENDRYTE K210 SOC SYSTEM CONTROLLER DRIVER"
with myself listed as maintainer for this driver.
This is a preparatory patch for introducing the K210 clock driver. No
functional changes are introduced.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Rename configuration options and directories related to the Kendryte
K210 SoC to use the SoC vendor name (canaan) instead of the "kendryte"
branding name.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
The 'litex_[set|get]_reg()' methods use the 'reg_size' parameter to
specify the width of the LiteX CSR (MMIO) register being accessed.
Since 'u64' is the widest data being supported, the value of 'reg_size'
MUST be between 1 and sizeof(u64), which SHOULD be checked at runtime
if these methods are publicly available for use by other LiteX device
drivers.
At the same time, none of the existing (or foreseeable) LiteX device
drivers have a need to access registers whose size is unknown during
compilation. As such, all LiteX device drivers should use fixed-width
accessor methods such as 'litex_[write|read][8|16|32|64]()'.
This patch renames 'litex_[set|get]_reg()' to '_litex_[set|get]_reg()',
indicating that they should NOT be directly called from outside of
the 'include/linux/litex.h' header file.
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Upstream LiteX now defaults to using 32-bit CSR subregisters
(see https://github.com/enjoy-digital/litex/commit/a2b71fde).
This patch expands on commit 22447a99c9 ("drivers/soc/litex: add
LiteX SoC Controller driver"), adding support for handling both 8-
and 32-bit LiteX CSR (MMIO) subregisters, as determined by the
LITEX_SUBREG_SIZE Kconfig option.
NOTE that while LITEX_SUBREG_SIZE could theoretically be a device
tree property, defining it as a compile-time constant allows for
much better optimization of the resulting code. This is further
supported by the low expected usefulness of deploying the same
kernel across LiteX SoCs built with different CSR-Bus data widths.
Finally, the litex_[read|write][8|16|32|64]() accessors are
redefined in terms of litex_[get|set]_reg(), which, after compiler
optimization, will result in code as efficient as hardcoded shifts,
but with the added benefit of automatically matching the appropriate
LITEX_SUBREG_SIZE.
NOTE that litex_[get|set]_reg() nominally operate on 64-bit data,
but that will also be optimized by the compiler in situations where
narrower data is used from a call site.
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Move generic LiteX CSR (MMIO) register accessors to litex.h and
declare them as "static inline", in preparation for supporting
32-bit CSR subregisters and 64-bit CPUs.
NOTE: this is a non-functional change.
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Signed-off-by: Stafford Horne <shorne@gmail.com>
The test robot reported:
drivers/soc/litex/litex_soc_ctrl.c:143:34: warning: unused variable 'litex_soc_ctrl_of_match' [-Wunused-const-variable]
static const struct of_device_id litex_soc_ctrl_of_match[] = {
^
1 warning generated.
As per the random config device tree is not configured causing the
litex_soc_ctrl_of_match match list to not be used. This would usually
mean that we cannot even use this driver as it depends on device tree,
but as we also have COMPILE_TEST configured we allow it.
Fix the warning by surrounding the unused variable with an ifdef
CONFIG_OF.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Stafford Horne <shorne@gmail.com>
PMB originally comes from BCM63138 but can be also found on many other
chipsets (e.g. BCM4908). It's needed to power on and off SoC blocks like
PCIe, SATA, USB.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Directly reading ocotp register depends on that bootloader enables ocotp
clk, which is not always effective, so change to use nvmem API. Using
nvmem API requires to support driver defer probe and thus change
soc-imx8m.c to use platform driver.
The other reason is that directly reading ocotp register causes kexec
kernel hang because the 1st kernel running will disable unused clks
after kernel boots up, and then ocotp clk will be disabled even if
bootloader enables it. When kexec kernel, ocotp clk needs to be enabled
before reading ocotp registers, and nvmem API with platform driver
supported can accomplish this.
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Selecting ARM_GIC_V3 on non-CP15 processors leads to build failures
like
arch/arm/include/asm/arch_gicv3.h: In function 'write_ICC_AP1R3_EL1':
arch/arm/include/asm/arch_gicv3.h:36:40: error: 'c12' undeclared (first use in this function)
36 | #define __ICC_AP1Rx(x) __ACCESS_CP15(c12, 0, c9, x)
| ^~~
Add a dependency to only enable the gic driver when building for
at an ARMv7 target, which is the closes approximation to the ARMv8
processor that is actually in this chip.
Fixes: fc40200ebf ("soc: imx: increase build coverage for imx8m soc driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
After converting to builtin driver, the probe function should not call
__init functions anymore:
>> WARNING: modpost: vmlinux.o(.text+0x8884d4):
Section mismatch in reference from the function exynos_chipid_probe() to the function .init.text:product_id_to_soc_id()
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 352bfbb3e0 ("soc: samsung: exynos-chipid: convert to driver and merge exynos-asv")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210105174440.120041-1-krzk@kernel.org
All SiPeed K210 MAIX boards have the exact same vendor, arch and
implementation IDs, preventing differentiation to select the correct
device tree to use through the SOC_BUILTIN_DTB_DECLARE() macro. This
result in this macro to be useless and mandates changing the code of
the sysctl driver to change the builtin device tree suitable for the
target board.
Fix this problem by removing the SOC_BUILTIN_DTB_DECLARE() macro since
it is used only for the K210 support. The code searching the builtin
DTBs using the vendor, arch an implementation IDs is also removed.
Support for builtin DTB falls back to the simpler and more traditional
handling of builtin DTB using the CONFIG_BUILTIN_DTB option, similarly
to other architectures.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
SiFive FU740 has 4 ECC interrupt sources as compared to 3 in FU540.
Update the L2 cache controller driver to support this additional
interrupt in case of FU740-C000 chip.
Signed-off-by: Yash Shah <yash.shah@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Requests sent to RPMH can be sent as fire-n-forget or response required,
with the latter ensuring the command has been completed by the hardware
accelerator. Commands in a request with tcs_cmd::wait set, would ensure
that those select commands are sent as response required, even though
the actual TCS request may be fire-n-forget.
Also, commands with .wait flag were also guaranteed to be complete
before the following command in the TCS is sent. This means that the
next command of the same request blocked until the current request is
completed. This could mean waiting for a voltage to settle or series of
NOCs be configured before the next command is sent. But drivers using
this feature have never cared about the serialization aspect. By not
enforcing the serialization we can allow the hardware to run in parallel
improving the performance.
Let's clarify the usage of this member in the tcs_cmd structure to mean
only completion and not serialization. This should also improve the
performance of bus requests where changes could happen in parallel.
Also, CPU resume from deep idle may see benefits from certain wake
requests.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/1610008770-13891-1-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The Exynos Chip ID driver on Exynos SoCs has so far only informational
purpose - to expose the SoC device in sysfs. No other drivers depend on
it so there is really no benefit of initializing it early.
The code would be the most flexible if converted to a regular driver.
However there is already another driver - Exynos ASV (Adaptive Supply
Voltage) - which binds to the device node of Chip ID.
The solution is to convert the Exynos Chip ID to a built in driver and
merge the Exynos ASV into it.
This has several benefits:
1. Although the Exynos ASV driver binds to a device node present in all
Exynos DTS (generic compatible), it fails to probe except on the
supported ones (only Exynos5422). This means that the regular boot
process has a planned/normal device probe failure.
Merging the ASV into Chip ID will remove this probe failure because
the final driver will always bind, just with disabled ASV features.
2. Allows to use dev_info() as the SoC bus is present (since
core_initcall).
3. Could speed things up because of execution of Chip ID code in a SMP
environment (after bringing up secondary CPUs, unlike early_initcall),
This reduces the amount of work to be done early, when the kernel has
to bring up critical devices.
5. Makes the Chip ID code defer-probe friendly,
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201207190517.262051-5-krzk@kernel.org
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
If regmap_read() fails, the product_id local variable will contain
random value from the stack. Do not try to parse such value and fail
the ASV driver probe.
Fixes: 5ea428595c ("soc: samsung: Add Exynos Adaptive Supply Voltage driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Link: https://lore.kernel.org/r/20201207190517.262051-3-krzk@kernel.org
Check if the SoC is really supported before gathering the needed
resources. This fixes endless deferred probe on some SoCs other than
Exynos5422 (like Exynos5410).
Fixes: 5ea428595c ("soc: samsung: Add Exynos Adaptive Supply Voltage driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Link: https://lore.kernel.org/r/20201207190517.262051-2-krzk@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
We have rst_map_012 used for various accelerators like dsp, ipu and iva.
For these use cases, we have rstctrl bit 2 control the subsystem module
reset, and have and bits 0 and 1 control the accelerator specific
features.
If the bootloader, or kexec boot, has left any accelerator specific
reset bits deasserted, deasserting bit 2 reset will potentially enable
an accelerator with unconfigured MMU and no firmware. And we may get
spammed with a lot by warnings on boot with "Data Access in User mode
during Functional access", or depending on the accelerator, the system
can also just hang.
This issue can be quite easily reproduced by setting a rst_map_012 type
rstctrl register to 0 or 4 in the bootloader, and booting the system.
Let's just assert all reset bits for rst_map_012 type resets. So far
it looks like the other rstctrl types don't need this. If it turns out
that the other type rstctrl bits also need reset on init, we need to
add an instance specific reset mask for the bits to avoid resetting
unwanted bits.
Reported-by: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Suman Anna <s-anna@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Tested-by: Carl Philipp Klemm <philipp@uvos.xyz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
When triggering a TCS to send its contents, reading back the trigger
value may return an incorrect value. That is because, writing the
trigger may raise an interrupt which could be handled immediately and
the trigger value could be reset in the interrupt handler.
A write_tcs_reg_sync() would read back the value that is written and try
to match it to the value written to ensure that the value is written,
but if that value is different, we may see false error for same.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/1606211610-15168-1-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
SM8250 SoC uses LLCC IP version 2. In this version, the WRSC_EN register
needs to be written to enable the Write Sub Cache for each SCID. Hence,
use a dedicated "write_scid_en" member with predefined values and write
them for LLCC IP version 2.
Reviewed-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20201130093924.45057-5-manivannan.sadhasivam@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The major hardware version of the LLCC IP is encoded in its
LLCC_COMMON_HW_INFO register. Extract the version and cache it in the
driver data so that it can be used to implement version specific
functionality like enabling Write sub cache for given SCID.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
[mani: splitted the version extract as a single patch and few cleanups]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20201130093924.45057-4-manivannan.sadhasivam@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Since at91_soc_init is called unconditionally from atmel_soc_device_init,
we get the following warning on all non AT91 SoCs:
" AT91: Could not find identification node"
Fix the same by filtering with allowed AT91 SoC list.
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201211135846.1334322-1-sudeep.holla@arm.com
This series adds:
* New drivers and OpenRISC support for the LiteX platform
* A bug fix to support userspace gdb debugging
* Fixes one compile issue with blk-iocost
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Merge tag 'for-linus' of git://github.com/openrisc/linux
Pull OpenRISC updates from Stafford Horne:
- New drivers and OpenRISC support for the LiteX platform
- A bug fix to support userspace gdb debugging
- Fixes one compile issue with blk-iocost
* tag 'for-linus' of git://github.com/openrisc/linux:
openrisc: add local64.h to fix blk-iocost build
openrisc: fix trap for debugger breakpoint signalling
openrisc: add support for LiteX
drivers/tty/serial: add LiteUART driver
dt-bindings: serial: document LiteUART bindings
drivers/soc/litex: add LiteX SoC Controller driver
dt-bindings: soc: document LiteX SoC Controller bindings
dt-bindings: vendor: add vendor prefix for LiteX
New drivers/devices
- Qualcomm ADM driver
- Qualcomm GPI driver
- Allwinner A100 DMA support
- Microchip Sama7g5 support
- Mediatek MT8516 apdma
- Updates:
- more updates to idxd driver and support for IAX config
- runtime PM support for dw driver
- TI keystone drivers for 5.11 included here due to dependency for TI
drivers
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Merge tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"The last dmaengine updates for this year :)
This contains couple of new drivers, new device support and updates to
bunch of drivers.
New drivers/devices:
- Qualcomm ADM driver
- Qualcomm GPI driver
- Allwinner A100 DMA support
- Microchip Sama7g5 support
- Mediatek MT8516 apdma
Updates:
- more updates to idxd driver and support for IAX config
- runtime PM support for dw driver
- TI drivers"
* tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (75 commits)
soc: ti: k3-ringacc: Use correct error casting in k3_ringacc_dmarings_init
dmaengine: ti: k3-udma-glue: Add support for K3 PKTDMA
dmaengine: ti: k3-udma: Initial support for K3 PKTDMA
dmaengine: ti: k3-udma: Add support for BCDMA channel TPL handling
dmaengine: ti: k3-udma: Initial support for K3 BCDMA
soc: ti: k3-ringacc: add AM64 DMA rings support.
dmaengine: ti: Add support for k3 event routers
dmaengine: ti: k3-psil: Add initial map for AM64
dmaengine: ti: k3-psil: Extend psil_endpoint_config for K3 PKTDMA
dt-bindings: dma: ti: Add document for K3 PKTDMA
dt-bindings: dma: ti: Add document for K3 BCDMA
dmaengine: dmatest: Use dmaengine_get_dma_device
dmaengine: doc: client: Update for dmaengine_get_dma_device() usage
dmaengine: Add support for per channel coherency handling
dmaengine: of-dma: Add support for optional router configuration callback
dmaengine: ti: k3-udma-glue: Configure the dma_dev for rings
dmaengine: ti: k3-udma-glue: Get the ringacc from udma_dev
dmaengine: ti: k3-udma-glue: Add function to get device pointer for DMA API
dmaengine: ti: k3-udma: Add support for second resource range from sysfw
dmaengine: ti: k3-udma: Wait for peer teardown completion if supported
...
These are additional updates for the power domain support on OMAP,
moving to an implementation based on device tree information instead of
SoC specific code. This is the latest step in the ongoing process for
moving code out of arch/arm/mach-omap2.
I kept this separate from the other driver changes since it touches
code in multiple areas.
There is one conflict in the dra7.dts file, which adds another node
in a different branch. Watch out for adding the trailing '};'
both times.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-omap-genpd-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC OMAP GenPD updates from Arnd Bergmann:
"These are additional updates for the power domain support on OMAP,
moving to an implementation based on device tree information instead
of SoC specific code. This is the latest step in the ongoing process
for moving code out of arch/arm/mach-omap2.
I kept this separate from the other driver changes since it touches
code in multiple areas"
* tag 'arm-soc-omap-genpd-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits)
ARM: OMAP2+: Fix am4 only build after genpd changes
ARM: dts: Configure power domain for omap5 dss
ARM: dts: omap5: add remaining PRM instances
soc: ti: omap-prm: omap5: add genpd support for remaining PRM instances
ARM: OMAP2+: Drop legacy platform data for dra7 gpmc
ARM: dts: Configure interconnect target module for dra7 iva
ARM: dts: dra7: add remaining PRM instances
soc: ti: omap-prm: dra7: add genpd support for remaining PRM instances
clk: ti: dra7: Drop idlest polling from IVA clkctrl clocks
ARM: OMAP2+: Drop legacy platform data for omap4 gpmc
ARM: OMAP2+: Drop legacy platform data for omap4 iva
ARM: dts: Configure power domain for omap4 dsp
ARM: dts: Configure power domain for omap4 dss
ARM: dts: omap4: add remaining PRM instances
soc: ti: omap-prm: omap4: add genpd support for remaining PRM instances
clk: ti: omap4: Drop idlest polling from IVA clkctrl clocks
ARM: OMAP2+: Drop legacy remaining legacy platform data for am4
ARM: dts: Use simple-pm-bus for genpd for am4 l3
ARM: dts: Move am4 l3 noc to a separate node
ARM: dts: Use simple-pm-bus for genpd for am4 l4_per
...
There are a couple of subsystems maintained by other people that
merge their drivers through the SoC tree, those changes include:
- The SCMI firmware framework gains support for sensor notifications
and for controlling voltage domains.
- A large update for the Tegra memory controller driver, integrating
it better with the interconnect framework
- The memory controller subsystem gains support for Mediatek MT8192
- The reset controller framework gains support for sharing pulsed
resets
For Soc specific drivers in drivers/soc, the main changes are
- The Allwinner/sunxi MBUS gets a rework for the way it handles
dma_map_ops and offsets between physical and dma address spaces.
- An errata fix plus some cleanups for Freescale Layerscape SoCs
- A cleanup for renesas drivers regarding MMIO accesses.
- New SoC specific drivers for Mediatek MT8192 and MT8183 power domains
- New SoC specific drivers for Aspeed AST2600 LPC bus control
and SoC identification.
- Core Power Domain support for Qualcomm MSM8916, MSM8939, SDM660
and SDX55.
- A rework of the TI AM33xx 'genpd' power domain support to use
information from DT instead of platform data
- Support for TI AM64x SoCs
- Allow building some Amlogic drivers as modules instead of built-in
Finally, there are numerous cleanups and smaller bug fixes for
Mediatek, Tegra, Samsung, Qualcomm, TI OMAP, Amlogic, Rockchips,
Renesas, and Xilinx SoCs.
There is a trivial conflict in the cedrus driver, with two branches
adding the same CEDRUS_CAPABILITY_H265_DEC flag, and another trivial
remove/remove conflict in linux/dma-mapping.h.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"There are a couple of subsystems maintained by other people that merge
their drivers through the SoC tree, those changes include:
- The SCMI firmware framework gains support for sensor notifications
and for controlling voltage domains.
- A large update for the Tegra memory controller driver, integrating
it better with the interconnect framework
- The memory controller subsystem gains support for Mediatek MT8192
- The reset controller framework gains support for sharing pulsed
resets
For Soc specific drivers in drivers/soc, the main changes are
- The Allwinner/sunxi MBUS gets a rework for the way it handles
dma_map_ops and offsets between physical and dma address spaces.
- An errata fix plus some cleanups for Freescale Layerscape SoCs
- A cleanup for renesas drivers regarding MMIO accesses.
- New SoC specific drivers for Mediatek MT8192 and MT8183 power
domains
- New SoC specific drivers for Aspeed AST2600 LPC bus control and SoC
identification.
- Core Power Domain support for Qualcomm MSM8916, MSM8939, SDM660 and
SDX55.
- A rework of the TI AM33xx 'genpd' power domain support to use
information from DT instead of platform data
- Support for TI AM64x SoCs
- Allow building some Amlogic drivers as modules instead of built-in
Finally, there are numerous cleanups and smaller bug fixes for
Mediatek, Tegra, Samsung, Qualcomm, TI OMAP, Amlogic, Rockchips,
Renesas, and Xilinx SoCs"
* tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (222 commits)
soc: mediatek: mmsys: Specify HAS_IOMEM dependency for MTK_MMSYS
firmware: xilinx: Properly align function parameter
firmware: xilinx: Add a blank line after function declaration
firmware: xilinx: Remove additional newline
firmware: xilinx: Fix kernel-doc warnings
firmware: xlnx-zynqmp: fix compilation warning
soc: xilinx: vcu: add missing register NUM_CORE
soc: xilinx: vcu: use vcu-settings syscon registers
dt-bindings: soc: xlnx: extract xlnx, vcu-settings to separate binding
soc: xilinx: vcu: drop useless success message
clk: samsung: mark PM functions as __maybe_unused
soc: samsung: exynos-chipid: initialize later - with arch_initcall
soc: samsung: exynos-chipid: order list of SoCs by name
memory: jz4780_nemc: Fix potential NULL dereference in jz4780_nemc_probe()
memory: ti-emif-sram: only build for ARMv7
memory: tegra30: Support interconnect framework
memory: tegra20: Support hardware versioning and clean up OPP table initialization
dt-bindings: memory: tegra20-emc: Document opp-supported-hw property
soc: rockchip: io-domain: Fix error return code in rockchip_iodomain_probe()
reset-controller: ti: force the write operation when assert or deassert
...
- Use local_clock() instead of jiffies in the cpufreq statistics to
improve accuracy (Viresh Kumar).
- Fix up OPP usage in the cpufreq-dt and qcom-cpufreq-nvmem cpufreq
drivers (Viresh Kumar).
- Clean up the cpufreq core, the intel_pstate driver and the
schedutil cpufreq governor (Rafael Wysocki).
- Fix up error code paths in the sti-cpufreq and mediatek cpufreq
drivers (Yangtao Li, Qinglang Miao).
- Fix cpufreq_online() to return error codes instead of success (0)
in all cases when it fails (Wang ShaoBo).
- Add mt8167 support to the mediatek cpufreq driver and blacklist
mt8516 in the cpufreq-dt-platdev driver (Fabien Parent).
- Modify the tegra194 cpufreq driver to always return values from
the frequency table as the current frequency and clean up that
driver (Sumit Gupta, Jon Hunter).
- Modify the arm_scmi cpufreq driver to allow it to discover the
power scale present in the performance protocol and provide this
information to the Energy Model (Lukasz Luba).
- Add missing MODULE_DEVICE_TABLE to several cpufreq drivers (Pali
Rohár).
- Clean up the CPPC cpufreq driver (Ionela Voinescu).
- Fix NVMEM_IMX_OCOTP dependency in the imx cpufreq driver (Arnd
Bergmann).
- Rework the poling interval selection for the polling state in
cpuidle (Mel Gorman).
- Enable suspend-to-idle for PSCI OSI mode in the PSCI cpuidle
driver (Ulf Hansson).
- Modify the OPP framework to support empty (node-less) OPP tables
in DT for passing dependency information (Nicola Mazzucato).
- Fix potential lockdep issue in the OPP core and clean up the OPP
core (Viresh Kumar).
- Modify dev_pm_opp_put_regulators() to accept a NULL argument and
update its users accordingly (Viresh Kumar).
- Add frequency changes tracepoint to devfreq (Matthias Kaehlcke).
- Add support for governor feature flags to devfreq, make devfreq
sysfs file permissions depend on the governor and clean up the
devfreq core (Chanwoo Choi).
- Clean up the tegra20 devfreq driver and deprecate it to allow
another driver based on EMC_STAT to be used instead of it (Dmitry
Osipenko).
- Add interconnect support to the tegra30 devfreq driver, allow it
to take the interconnect and OPP information from DT and clean it
up ((Dmitry Osipenko).
- Add interconnect support to the exynos-bus devfreq driver along
with interconnect properties documentation (Sylwester Nawrocki).
- Add suport for AMD Fam17h and Fam19h processors to the RAPL power
capping driver (Victor Ding, Kim Phillips).
- Fix handling of overly long constraint names in the powercap
framework (Lukasz Luba).
- Fix the wakeup configuration handling for bridges in the ACPI
device power management core (Rafael Wysocki).
- Add support for using an abstract scale for power units in the
Energy Model (EM) and document it (Lukasz Luba).
- Add em_cpu_energy() micro-optimization to the EM (Pavankumar
Kondeti).
- Modify the generic power domains (genpd) framwework to support
suspend-to-idle (Ulf Hansson).
- Fix creation of debugfs nodes in genpd (Thierry Strudel).
- Clean up genpd (Lina Iyer).
- Clean up the core system-wide suspend code and make it print
driver flags for devices with debug enabled (Alex Shi, Patrice
Chotard, Chen Yu).
- Modify the ACPI system reboot code to make it prepare for system
power off to avoid confusing the platform firmware (Kai-Heng Feng).
- Update the pm-graph (multiple changes, mostly usability-related)
and cpupower (online and offline CPU information support) PM
utilities (Todd Brandt, Brahadambal Srinivasan).
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Merge tag 'pm-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These update cpufreq (core and drivers), cpuidle (polling state
implementation and the PSCI driver), the OPP (operating performance
points) framework, devfreq (core and drivers), the power capping RAPL
(Running Average Power Limit) driver, the Energy Model support, the
generic power domains (genpd) framework, the ACPI device power
management, the core system-wide suspend code and power management
utilities.
Specifics:
- Use local_clock() instead of jiffies in the cpufreq statistics to
improve accuracy (Viresh Kumar).
- Fix up OPP usage in the cpufreq-dt and qcom-cpufreq-nvmem cpufreq
drivers (Viresh Kumar).
- Clean up the cpufreq core, the intel_pstate driver and the
schedutil cpufreq governor (Rafael Wysocki).
- Fix up error code paths in the sti-cpufreq and mediatek cpufreq
drivers (Yangtao Li, Qinglang Miao).
- Fix cpufreq_online() to return error codes instead of success (0)
in all cases when it fails (Wang ShaoBo).
- Add mt8167 support to the mediatek cpufreq driver and blacklist
mt8516 in the cpufreq-dt-platdev driver (Fabien Parent).
- Modify the tegra194 cpufreq driver to always return values from the
frequency table as the current frequency and clean up that driver
(Sumit Gupta, Jon Hunter).
- Modify the arm_scmi cpufreq driver to allow it to discover the
power scale present in the performance protocol and provide this
information to the Energy Model (Lukasz Luba).
- Add missing MODULE_DEVICE_TABLE to several cpufreq drivers (Pali
Rohár).
- Clean up the CPPC cpufreq driver (Ionela Voinescu).
- Fix NVMEM_IMX_OCOTP dependency in the imx cpufreq driver (Arnd
Bergmann).
- Rework the poling interval selection for the polling state in
cpuidle (Mel Gorman).
- Enable suspend-to-idle for PSCI OSI mode in the PSCI cpuidle driver
(Ulf Hansson).
- Modify the OPP framework to support empty (node-less) OPP tables in
DT for passing dependency information (Nicola Mazzucato).
- Fix potential lockdep issue in the OPP core and clean up the OPP
core (Viresh Kumar).
- Modify dev_pm_opp_put_regulators() to accept a NULL argument and
update its users accordingly (Viresh Kumar).
- Add frequency changes tracepoint to devfreq (Matthias Kaehlcke).
- Add support for governor feature flags to devfreq, make devfreq
sysfs file permissions depend on the governor and clean up the
devfreq core (Chanwoo Choi).
- Clean up the tegra20 devfreq driver and deprecate it to allow
another driver based on EMC_STAT to be used instead of it (Dmitry
Osipenko).
- Add interconnect support to the tegra30 devfreq driver, allow it to
take the interconnect and OPP information from DT and clean it up
(Dmitry Osipenko).
- Add interconnect support to the exynos-bus devfreq driver along
with interconnect properties documentation (Sylwester Nawrocki).
- Add suport for AMD Fam17h and Fam19h processors to the RAPL power
capping driver (Victor Ding, Kim Phillips).
- Fix handling of overly long constraint names in the powercap
framework (Lukasz Luba).
- Fix the wakeup configuration handling for bridges in the ACPI
device power management core (Rafael Wysocki).
- Add support for using an abstract scale for power units in the
Energy Model (EM) and document it (Lukasz Luba).
- Add em_cpu_energy() micro-optimization to the EM (Pavankumar
Kondeti).
- Modify the generic power domains (genpd) framwework to support
suspend-to-idle (Ulf Hansson).
- Fix creation of debugfs nodes in genpd (Thierry Strudel).
- Clean up genpd (Lina Iyer).
- Clean up the core system-wide suspend code and make it print driver
flags for devices with debug enabled (Alex Shi, Patrice Chotard,
Chen Yu).
- Modify the ACPI system reboot code to make it prepare for system
power off to avoid confusing the platform firmware (Kai-Heng Feng).
- Update the pm-graph (multiple changes, mostly usability-related)
and cpupower (online and offline CPU information support) PM
utilities (Todd Brandt, Brahadambal Srinivasan)"
* tag 'pm-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (86 commits)
cpufreq: Fix cpufreq_online() return value on errors
cpufreq: Fix up several kerneldoc comments
cpufreq: stats: Use local_clock() instead of jiffies
cpufreq: schedutil: Simplify sugov_update_next_freq()
cpufreq: intel_pstate: Simplify intel_cpufreq_update_pstate()
PM: domains: create debugfs nodes when adding power domains
opp: of: Allow empty opp-table with opp-shared
dt-bindings: opp: Allow empty OPP tables
media: venus: dev_pm_opp_put_*() accepts NULL argument
drm/panfrost: dev_pm_opp_put_*() accepts NULL argument
drm/lima: dev_pm_opp_put_*() accepts NULL argument
PM / devfreq: exynos: dev_pm_opp_put_*() accepts NULL argument
cpufreq: qcom-cpufreq-nvmem: dev_pm_opp_put_*() accepts NULL argument
cpufreq: dt: dev_pm_opp_put_regulators() accepts NULL argument
opp: Allow dev_pm_opp_put_*() APIs to accept NULL opp_table
opp: Don't create an OPP table from dev_pm_opp_get_opp_table()
cpufreq: dt: Don't (ab)use dev_pm_opp_get_opp_table() to create OPP table
opp: Reduce the size of critical section in _opp_kref_release()
PM / EM: Micro optimization in em_cpu_energy
cpufreq: arm_scmi: Discover the power scale in performance protocol
...
Pull i2c updates from Wolfram Sang:
"A bit smaller this time with mostly usual driver updates. Slave
support for imx stands out a little"
* 'i2c/for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (30 commits)
i2c: remove check that can never be true
i2c: Warn when device removing fails
dt-bindings: i2c: Update DT binding docs to support SiFive FU740 SoC
dt-bindings: i2c: Add compatible string for AM64 SoC
i2c: designware: Make register offsets all of the same width
i2c: designware: Switch header to use BIT() and GENMASK()
i2c: pxa: move to generic GPIO recovery
i2c: sh_mobile: Mark adapter suspended during suspend
i2c: owl: Add compatible for the Actions Semi S500 I2C controller
dt-bindings: i2c: owl: Convert Actions Semi Owl binding to a schema
i2c: imx: support slave mode for imx I2C driver
i2c: ismt: Adding support for I2C_SMBUS_BLOCK_PROC_CALL
i2c: ocores: Avoid false-positive error log message.
Revert "i2c: qcom-geni: Disable DMA processing on the Lenovo Yoga C630"
i2c: mxs: Remove unneeded platform_device_id
i2c: pca-platform: drop two members from driver data that are assigned to only
i2c: imx: Remove unused .id_table support
i2c: nvidia-gpu: drop empty stub for runtime pm
dt-bindings: i2c: mellanox,i2c-mlxbf: convert txt to YAML schema
i2c: mv64xxx: Add bus error recovery
...
Detailed description for this pull request:
1. Update devfreq core
- Add new devfreq_frequency tracepoint to show the frequency change
information.
- Add governor feature flag. The devfreq governor is able to
have the specific flag in order to contain the non-common feature.
For example, if governor contains the 'immutable' feature, don't allow
user to change the governor via sysfs.
- Add governor sysfs attribute flag for each sysfs file. Prior to that
devfreq subsystem show the all sysfs files regardless of governor type.
But, some sysfs fils are not supported on the specific devfreq governor.
In order to show the only supported sysfs files according to the governor,
clarify the access permission of sysfs attributes according to governor.
When adding the devfreq governor, can specify the available attribute
information by using DEVFREQ_GOV_ATTR_* constant variable. The user can
read or write the sysfs attributes in accordance to the specified attributes.
- Clean-up the code to remove the duplicate code for the devfreq tracepoint
and to remove redundant governor_name field from struct devfreq
2. Update exynos-bus.c devfreq driver
- Add interconnect API support for the Samsung Exynos Bus Frequency driver
of exynos-bus.c. Complementing the devfreq driver with an interconnect
functionality allows to ensure the QoS requirements of devices accessing
the system memory (e.g. video processing devices) are fulfilled
and allows to avoid issues like the DMA underrun.
3. Update tegra devfreq driver
- Add interconnect support and OPP interface for tegra30-devfreq.c.
Also, it is to guarantee the QoS requirement of some devices like
display controller.
- Move tegra20-devfreq.c from drivers/devfreq/ into driver/memory/tegra/
in order to use the more proper monitoring feature such as EMC_STAT
which is based in driver/memory/tegra/.
- Separate the configuration information for different SoC on
tegra30-devfrqe.c. The tegra30-devfreq.c had been supported both
tegra30-actmon and tegra124-actmon devices. In order to use
the more correct configuration data, separate them.
- Use dev_err_probe() to handle the deferred probe error on tegra30-devfreq.c.
4. Pull the request of 'Tegra SoC and clock controller changes for v5.11'
sent by Krzysztof Kozlowski <krzk@kernel.org> in order to prevent the
build error.
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Merge tag 'devfreq-next-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux
Pull devfreq updates for 5.11 from Chanwoo Choi:
1. Update devfreq core
- Add new devfreq_frequency tracepoint to show the frequency change
information.
- Add governor feature flag. The devfreq governor is able to set the
specific flag in order to support a non-common feature. For
example, if the governor supports the 'immutable' feature, don't
allow user space to change the governor via sysfs.
- Add governor sysfs attribute flag for each sysfs file. Prior to that
the devfreq subsystem allowed all of the sysfs files to be accessed
regardless of the governor type. But some sysfs fils are not
supported by specific devfreq governors. In order to only allow the
sysfs files supported by the governor to be accessed, clarify the
access permissions of sysfs attributes according to the governor.
When adding the devfreq governor, specify the available attribute
information by using DEVFREQ_GOV_ATTR_* symbols. The user can read
or write the sysfs attributes in accordance to the specified
access permissions.
- Clean-up the code to reduce duplication for the devfreq tracepoint
and to remove redundant governor_name field from struct devfreq.
2. Update exynos-bus.c devfreq driver
- Add interconnect API support to the Samsung Exynos Bus Frequency
driver, exynos-bus.c. Complementing the devfreq driver with
interconnect functionality allows to ensure that the QoS
requirements regarding devices accessing the system memory (e.g.
video processing devices) will be met and allows to avoid issues
like DMA underrun.
3. Update tegra devfreq driver
- Add interconnect support and OPP interface to tegra30-devfreq.c.
Also, it is to guarantee the QoS requirement of some devices like
the display controller.
- Move tegra20-devfreq.c from drivers/devfreq/ into drivers/memory/tegra/
in order to use the more proper monitoring feature such as EMC_STAT
which is located in drivers/memory/tegra/.
- Separate the configuration information for different SoCs in
tegra30-devfrqe.c. The tegra30-devfreq.c had been supporting both
tegra30-actmon and tegra124-actmon devices. In order to use the
more correct configuration data, separate them.
- Use dev_err_probe() to handle the deferred probe error in
tegra30-devfreq.c.
4. Pull the request of 'Tegra SoC and clock controller changes for
v5.11' sent by Krzysztof Kozlowski <krzk@kernel.org> in order to
avoid a build error."
* tag 'devfreq-next-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux:
PM / devfreq: tegra30: Separate configurations per-SoC generation
PM / devfreq: tegra30: Support interconnect and OPPs from device-tree
PM / devfreq: tegra20: Deprecate in a favor of emc-stat based driver
PM / devfreq: exynos-bus: Add registration of interconnect child device
dt-bindings: devfreq: Add documentation for the interconnect properties
soc/tegra: fuse: Add stub for tegra_sku_info
soc/tegra: fuse: Export tegra_read_ram_code()
clk: tegra: Export Tegra20 EMC kernel symbols
PM / devfreq: tegra30: Silence deferred probe error
PM / devfreq: tegra20: Relax Kconfig dependency
PM / devfreq: tegra20: Silence deferred probe error
PM / devfreq: Remove redundant governor_name from struct devfreq
PM / devfreq: Add governor attribute flag for specifc sysfs nodes
PM / devfreq: Add governor feature flag
PM / devfreq: Add tracepoint for frequency changes
PM / devfreq: Unify frequency change to devfreq_update_target func
trace: events: devfreq: Use fixed indentation size to improve readability
The DMAs in AM64 have built in rings compared to AM654/J721e/J7200 where a
separate and generic ringacc is used.
The ring SW interface is similar to ringacc with some major architectural
differences, like
They are part of the DMA (BCDMA or PKTDMA).
They are dual mode rings are modeled as pair of Rings objects which has
common configuration and memory buffer, but separate real-time control
register sets for each direction mem2dev (forward) and dev2mem (reverse).
The ringacc driver must be initialized for DMA rings use with
k3_ringacc_dmarings_init() as it is not an independent device as ringacc
is.
AM64 rings must be requested only using k3_ringacc_request_rings_pair(),
and forward ring must always be initialized/configured. After this any
other Ringacc APIs can be used without any callers changes.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20201208090440.31792-17-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Because mtk-mmsys uses the 'devm_platform_ioremap_resource' function, it
should depend on HAS_IOMEM.
Fixes: cc6576029a ("soc: mediatek: mmsys: Use devm_platform_ioremap_resource()")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20201203121447.3366406-1-enric.balletbo@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1. Mark PM functions of newly added clkout module as unused to silence
!CONFIG_PM warnings.
2. Initialize ChipID driver later - in arch initcall.
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Merge tag 'samsung-drivers-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/drivers
Samsung SoC drivers changes for v5.11, part two
1. Mark PM functions of newly added clkout module as unused to silence
!CONFIG_PM warnings.
2. Initialize ChipID driver later - in arch initcall.
* tag 'samsung-drivers-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
clk: samsung: mark PM functions as __maybe_unused
soc: samsung: exynos-chipid: initialize later - with arch_initcall
soc: samsung: exynos-chipid: order list of SoCs by name
Link: https://lore.kernel.org/r/20201207074528.4475-1-krzk@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Switch the "logicoreip" registers to the new xlnx,vcu-settings binding
to be able to read the settings if the settings are specified in a
separate device tree node that is shared with other drivers.
If the driver is not able to find a node with the new binding, fall back
to check for the logicore register bank to be backwards compatible.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Reviewed-by: Hyun Kwon <hyun.kwon@xilinx.com>
Link: https://lore.kernel.org/r/20201109134818.4159342-4-m.tretter@pengutronix.de
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
The message that the driver was successfully probed only adds useless
noise. Drop the message.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Reviewed-by: Hyun Kwon <hyun.kwon@xilinx.com>
Link: https://lore.kernel.org/r/20201109134818.4159342-2-m.tretter@pengutronix.de
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Minor fixes for the io-domain soc-driver
* tag 'v5.11-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
soc: rockchip: io-domain: Fix error return code in rockchip_iodomain_probe()
soc: rockchip: io-domain: Remove incorrect and incomplete comment header
Link: https://lore.kernel.org/r/2045618.irdbgypaU6@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
soc: amlogic: driver updates for v5.11
- enable building as modules
- reset API updates
* tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
soc: amlogic: replace devm_reset_control_array_get()
soc: amlogic: canvas: add missing put_device() call in meson_canvas_get()
firmware: meson-sm: enable build as module
soc: meson: enable building drivers as modules
soc: amlogic: socinfo: build for specific arch
Link: https://lore.kernel.org/r/7him9ljgtr.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
drivers: soc: TI SOC changes for 5.11
- ti_sci changes towards DMSS support
- Static warning fixes
- Kconfig update for Keystone ARM64 socs
- AM64X SOC family support
* tag 'drivers_soc_for_5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone: (23 commits)
drivers: soc: ti: knav_qmss_queue: Fix error return code in knav_queue_probe
soc: ti: Fix reference imbalance in knav_dma_probe
soc: ti: pruss: Remove wrong check against *get_match_data return value
soc: ti: Kconfig: Drop ARM64 SoC specific configs
soc: ti: k3-ringacc: Provide documentation for 'k3_ring's 'state'
soc: ti: wkup_m3_ipc: Document 'm3_ipc' parameter throughout
soc: ti: pm33xx: Remove set but unused variable 'ret'
soc: ti: knav_dma: Fix a kernel function doc formatting issue
soc: ti: knav_qmss_queue: Fix a whole host of function documentation issues
soc: ti: knav_qmss_queue: Remove set but unchecked variable 'ret'
soc: ti: omap-prm: Do not check rstst bit on deassert if already deasserted
soc: ti: knav_qmss: fix reference leak in knav_queue_probe
soc: ti: k3-socinfo: Add entry for AM64X SoC family
soc: ti: k3-ringacc: Use correct device for allocation in RING mode
firmware: ti_sci: rm: Remove unused config() from ti_sci_rm_ringacc_ops
soc: ti: k3-ringacc: Use the ti_sci set_cfg callback for ring configuration
firmware: ti_sci: rm: Add new ops for ring configuration
firmware: ti_sci: rm: Remove ring_get_config support
firmware: ti_sci: rm: Add support for extended_ch_type for tx channel
soc: ti: ti_sci_inta_msi: Add support for second range in resource ranges
...
Link: https://lore.kernel.org/r/1606851405-26338-1-git-send-email-santosh.shilimkar@oracle.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Driver changes for omaps for genpd for v5.11 merge window
This series of changes allows booting am335x with genpd and
device tree data without the legacy platform data. Also at
least am437x can be booted with gendp with power domain and
dts data. The SoC specific dts changes will be a separate
pull request.
We need the following driver changes merged before the dts
changes can be done:
- platform code needs a few improvments to probe l4_wkup first
for clocks, and to bail out when there is no platform data
- ti-sysc driver needs a non-urgent fix for asserting rstctrl
reset only after disabling the clocks, to probe modules with
no known control registers, and added quirk handling for gpmc
devices
- omap-prm driver needs a non-urgent fix for reset status bit,
support added for pm_clk, and then we add the rest of am335x
power domain data
- clock driver for am335x needs to keep l3_main clock enabled
with genpd for suspend and resume to work
- wkup_m3 remoteproc driver needs support added for reset
control if available instead of the legacy pdata callbacks
- pm33xx driver needs PM runtime support added for genpd
The am335x specific driver changes for the clock, wkup_m3,
pm33xx and remoteproc drivers are quite trivial and have not
caused merge conflicts in Linux next. I did not get acks for
these changes except from Santosh but had already pushed out
the branch already at that point. So I've added the related
driver maintainers to Cc.
* tag 'omap-for-v5.11/genpd-drivers-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
remoteproc/wkup_m3: Use reset control driver if available
soc: ti: pm33xx: Enable basic PM runtime support for genpd
soc: ti: omap-prm: am3: add genpd support for remaining PRM instances
soc: ti: omap-prm: Add pm_clk for genpd
clk: ti: am33xx: Keep am3 l3 main clock always on for genpd
bus: ti-sysc: Implement GPMC debug quirk to drop platform data
bus: ti-sysc: Support modules without control registers
ARM: OMAP2+: Probe PRCM first to probe l4_wkup with simple-pm-bus
ARM: OMAP2+: Check for inited flag
bus: ti-sysc: Assert reset only after disabling clocks
soc: ti: omap-prm: Do not check rstst bit on deassert if already deasserted
bus: ti-sysc: Fix bogus resetdone warning on enable for cpsw
bus: ti-sysc: Fix reset status check for modules with quirks
ARM: OMAP2+: Fix missing select PM_GENERIC_DOMAINS_OF
ARM: OMAP2+: Fix location for select PM_GENERIC_DOMAINS
Link: https://lore.kernel.org/r/pull-1606806458-694517@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Qualcomm driver updates for v5.11
This adds support for the core power domains on MSM8916, MSM8939, SDM660
and SDX55. It adds SM8150 support to the last-level cache controller
driver and it makes it possible to build the Command DB and RPMh drivers
as modules.
It also contains a slew of smaller cleanups, style and bug fixes
throughout the various drivers.
* tag 'qcom-drivers-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (39 commits)
soc: qcom: rpmhpd: Add SDX55 power domains
dt-bindings: power: Add rpm power domain bindings for sdx55
soc: qcom: rpmh: Use __fill_rpmh_msg API during rpmh_write()
samples: qmi: Constify static qmi ops
soc: qcom: pdr: Constify static qmi structs
soc: qcom: initialize local variable
soc: qcom: socinfo: add soc ids for msm8953 variants
soc: qcom: geni: Remove "iova" check
soc: qcom: llcc: Add configuration data for SM8150
dt-bindings: msm: Add LLCC for SM8150
soc: qcom: rpmh: Fix possible doc-rot in rpmh_write()'s header
soc: qcom: kryo-l2-accessors: Fix misnaming of 'val'
soc: qcom: rpmhpd: Provide some missing struct member descriptions
soc: qcom: llcc-qcom: Fix expected kernel-doc formatting
soc: qcom: smp2p: Remove unused struct attribute provide another
soc: qcom: wcnss_ctrl: Demote non-conformant struct header and fix function headers
soc: qcom: smsm: Fix some kernel-doc formatting and naming problems
soc: qcom: smem: Fix formatting and missing documentation issues
soc: qcom: qcom-geni-se: Fix misnamed function parameter 'rx_rfr'
soc: qcom: qcom_aoss: Add missing description for 'cooling_devs'
...
Link: https://lore.kernel.org/r/20201130190142.345246-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The Exynos ChipID driver on Exynos SoCs has only informational
purpose - to expose the SoC device in sysfs. No other drivers
depend on it so there is really no benefit of initializing it early.
Instead, initialize everything with arch_initcall which:
1. Allows to use dev_info() as the SoC bus is present (since
core_initcall),
2. Could speed things up because of execution in a SMP environment
(after bringing up secondary CPUs, unlike early_initcall),
3. Reduces the amount of work to be done early, when the kernel has to
bring up critical devices.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201202195955.128633-2-krzk@kernel.org
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: e943c43b32 ("PM: AVS: rockchip-io: Move the driver to the rockchip specific drivers")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Link: https://lore.kernel.org/r/1607070805-33038-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
devm_reset_control_array_get_exclusive() looks more readable
Signed-off-by: Yejune Deng <yejune.deng@gmail.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/1605667700-16681-1-git-send-email-yejune.deng@gmail.com
if of_find_device_by_node() succeed, meson_canvas_get() doesn't have
a corresponding put_device(). Thus add put_device() to fix the exception
handling for this function implementation.
Fixes: 382f8be045 ("soc: amlogic: canvas: Fix meson_canvas_get when probe failed")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20201117011322.522477-1-yukuai3@huawei.com
New drivers:
- SoC info driver to expose revision information
New features:
- AST2600 support for the LPC control driver. This includes
setting the LPC2AHB bridge up in a backwards compatible manner.
Cleanups:
- LPC control
- Kconfig
- Bindings updates for AST2600 strings
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Merge tag 'aspeed-5.11-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed into arm/drivers
ASPEED soc driver updates for 5.11
New drivers:
- SoC info driver to expose revision information
New features:
- AST2600 support for the LPC control driver. This includes
setting the LPC2AHB bridge up in a backwards compatible manner.
Cleanups:
- LPC control
- Kconfig
- Bindings updates for AST2600 strings
* tag 'aspeed-5.11-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed:
soc: aspeed: Enable drivers with ARCH_ASPEED
soc: aspeed: Fix a reference leak in aspeed_socinfo_init()
soc: aspeed: remove unneeded semicolon
soc: aspeed-lpc-ctrl: Fix driver name
soc: aspeed-lpc-ctrl: Fix whitespace
soc: aspeed-lpc-ctrl: LPC to AHB mapping on ast2600
soc: aspeed-lpc-ctrl: Fail probe of lpc-ctrl if reserved memory is not aligned
soc: aspeed: lpc: Add AST2600 compatible strings
dt-bindings: aspeed-lpc: Add AST2600 compatible strings
ARM: dts: aspeed: Add silicon id node
soc: aspeed: Add soc info driver
dt-bindings: aspeed: Add silicon id node to SCU
soc: aspeed: Improve kconfig
Link: https://lore.kernel.org/r/CACPK8Xe=9ezhyWRMqVOEQr7SU1YoYfVBGGdGzjmE4SiBr--vJQ@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- add support for new power domain driver.
- add support for mt8183 and mt8192
devapc:
- add support for the devapc device found on mt6779 to identify of
malicious bus accesses from a controller to a device
mmsys:
- move DDP routing IDs into the driver
cmdq:
- drop timeout handler support as not usefull
scpsys:
- print warning on theoretical error
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Merge tag 'v5.10-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/drivers
power-domains:
- add support for new power domain driver.
- add support for mt8183 and mt8192
devapc:
- add support for the devapc device found on mt6779 to identify of
malicious bus accesses from a controller to a device
mmsys:
- move DDP routing IDs into the driver
cmdq:
- drop timeout handler support as not usefull
scpsys:
- print warning on theoretical error
* tag 'v5.10-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux: (21 commits)
soc: mediatek: mmsys: Use devm_platform_ioremap_resource()
soc / drm: mediatek: Move DDP component defines into mtk-mmsys.h
soc: mediatek: add mt6779 devapc driver
dt-bindings: devapc: add bindings for mtk-devapc
soc / drm: mediatek: cmdq: Remove timeout handler in helper function
soc: mediatek: pm-domains: Add support for mt8192
soc: mediatek: pm-domains: Add default power off flag
soc: mediatek: pm-domains: Add support for mt8183
soc: mediatek: pm-domains: Allow bus protection to ignore clear ack
soc: mediatek: pm-domains: Add subsystem clocks
soc: mediatek: pm-domains: Add extra sram control
soc: mediatek: pm-domains: Add SMI block as bus protection block
soc: mediatek: pm_domains: Make bus protection generic
soc: mediatek: pm-domains: Add bus protection protocol
soc: mediatek: Add MediaTek SCPSYS power domains
dt-bindings: power: Add MT8192 power domains
dt-bindings: power: Add MT8183 power domains
dt-bindings: power: Add bindings for the Mediatek SCPSYS power domains controller
mfd: syscon: Add syscon_regmap_lookup_by_phandle_optional() function.
MAINTAINERS: change mediatek wiki page
...
Link: https://lore.kernel.org/r/b03fe343-e183-c6f3-f2dc-4c58aae3146b@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
pull the following:
- Lee provides a missing function declaration spotted with W=1 builds
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Merge tag 'arm-soc/for-5.11/drivers' of https://github.com/Broadcom/stblinux into arm/drivers
This pull request contains Broadcom SoCs driver changes for 5.11, please
pull the following:
- Lee provides a missing function declaration spotted with W=1 builds
* tag 'arm-soc/for-5.11/drivers' of https://github.com/Broadcom/stblinux:
soc: bcm: brcmstb: pm: pm-arm: Provide prototype for brcmstb_pm_s3_finish()
Link: https://lore.kernel.org/r/20201128163410.1691529-5-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Trivial conflict in CAN, keep the net-next + the byteswap wrapper.
Conflicts:
drivers/net/can/usb/gs_usb.c
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For the common platform_get_resource()+devm_platform_ioremap() combination,
there is a helper, so use it and make the code a bit more compact.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://lore.kernel.org/r/20201006193320.405529-3-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
MMSYS is the driver which controls the routing of these DDP components,
so the definition of the mtk_ddp_comp_id enum should be placed in mtk-mmsys.h
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://lore.kernel.org/r/20201006193320.405529-2-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
MediaTek bus fabric provides TrustZone security support and data
protection to prevent slaves from being accessed by unexpected
masters.
The security violation is logged and sent to the processor for
further analysis or countermeasures.
Any occurrence of security violation would raise an interrupt, and
it will be handled by mtk-devapc driver. The violation
information is printed in order to find the murderer.
Signed-off-by: Neal Liu <neal.liu@mediatek.com>
Link: https://lore.kernel.org/r/1602732039-12179-3-git-send-email-neal.liu@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
For each client driver, its timeout handler need to dump hardware register
or its state machine information, and their way to detect timeout are
also different, so remove timeout handler in helper function and
let client driver implement its own timeout handler.
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20201102000438.29225-1-chunkuang.hu@kernel.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Backmerge tag 'v5.10-rc2' into arm/drivers
The SCMI pull request for the arm/drivers branch requires v5.10-rc2
because of dependencies with other git trees, so merge that in here.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This contains a couple of warning fixes and a fix for a mostly harmless
bug in the process ID retrieval code.
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Merge tag 'tegra-for-5.11-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
soc/tegra: Changes for v5.11-rc1
This contains a couple of warning fixes and a fix for a mostly harmless
bug in the process ID retrieval code.
* tag 'tegra-for-5.11-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: fuse: Fix index bug in get_process_id
soc: tegra: fuse: speedo-tegra210: Remove a group of set but unused variables
soc: tegra: fuse: speedo-tegra124: Remove some set but unused variables
Link: https://lore.kernel.org/r/20201127144329.124891-2-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There is no reason to keep on using the __raw_{read,write}l() I/O
accessors in Renesas ARM driver code. Switch to using the plain
{read,write}l() I/O accessors, to have a chance that this works on
big-endian.
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20201119125214.4065925-1-geert+renesas@glider.be
Add the needed board data to support mt8192 SoC.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Tested-by: Weiyi Lu <weiyi.lu@mediatek.com>
Link: https://lore.kernel.org/r/20201030113622.201188-17-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
For some power domain, like conn on MT8192, it should be default OFF.
Because the power on/off control relies the function of connectivity chip
and its firmware. And if project choose other chip vendor solution,
those necessary connectivity functions will not provided.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201030113622.201188-16-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
In some cases the hardware does not create an acknowledgment of the
bus protection clearing. Add a flag to the bus protection indicating
that a clear event will be ignored.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201030113622.201188-10-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
For the bus protection operations, some subsystem clocks need to be enabled
before releasing the protection. This patch identifies the subsystem clocks
by it's name.
Suggested-by: Weiyi Lu <weiyi.lu@mediatek.com>
[Adapted the patch to the mtk-pm-domains driver]
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201030113622.201188-9-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
For some power domains like vpu_core on MT8183 whose sram need to do clock
and internal isolation while power on/off sram. We add a cap
"MTK_SCPD_SRAM_ISO" to judge if we need to do the extra sram isolation
control or not.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201030113622.201188-8-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Apart from the infracfg block, the SMI block is used to enable the bus
protection for some power domains. Add support for this block.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201030113622.201188-7-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Bus protection is not exclusively done by calling the infracfg misc driver.
Make the calls for setting and clearing the bus protection generic so
that we can use other blocks for it as well.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201030113622.201188-6-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Bus protection will need to update more then one register
in infracfg. Add support for several operations.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201030113622.201188-5-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The System Control Processor System (SCPSYS) has several power management
related tasks in the system. This driver implements support to handle
the different power domains supported in order to meet high performance
and low power requirements.
Co-developed-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201030113622.201188-3-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
There is a bigger work from Dmitry Osipenko around Tegra SoC memory
controller drivers, mostly towards adding interconnect support and
integration with devfreq. This work touches all Tegra memory controller
drivers and also few other SoC-related parts. It's not yet finished but
the intermediate stage seems ready to merge.
Beside that Tegra 210 memory controller got few fixes and received new
swgroups (work of Nicolin Chen).
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Merge tag 'memory-controller-drv-tegra-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers
Memory controller drivers for v5.11 - Tegra SoC
There is a bigger work from Dmitry Osipenko around Tegra SoC memory
controller drivers, mostly towards adding interconnect support and
integration with devfreq. This work touches all Tegra memory controller
drivers and also few other SoC-related parts. It's not yet finished but
the intermediate stage seems ready to merge.
Beside that Tegra 210 memory controller got few fixes and received new
swgroups (work of Nicolin Chen).
* tag 'memory-controller-drv-tegra-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl: (38 commits)
memory: tegra30-emc: Remove unnecessary of_node_put in tegra_emc_probe
memory: tegra: Complete tegra210_swgroups
memory: tegra30-emc: Continue probing if timings are missing in device-tree
memory: tegra30-emc: Make driver modular
memory: tegra30: Add FIFO sizes to memory clients
memory: tegra20-emc: Add devfreq support
memory: tegra20-emc: Remove IRQ number from error message
memory: tegra20-emc: Factor out clk initialization
memory: tegra20-emc: Use dev_pm_opp_set_clkname()
memory: tegra: Correct stub of devm_tegra_memory_controller_get()
memory: tegra20: Support interconnect framework
memory: tegra20-emc: Continue probing if timings are missing in device-tree
memory: tegra20-emc: Make driver modular
memory: tegra-mc: Add interconnect framework
memory: tegra: Add missing latency allowness entry for Page Table Cache
memory: tegra: Remove superfluous error messages around platform_get_irq()
memory: tegra: Use devm_platform_ioremap_resource()
memory: tegra: Add and use devm_tegra_memory_controller_get()
dt-bindings: host1x: Document new interconnect properties
dt-bindings: tegra30-actmon: Document OPP and interconnect properties
...
Link: https://lore.kernel.org/r/20201126191241.23302-1-krzk@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This adds the power domains found in SDX55 SoC. Downstream code tells me
that we have 3 power domains so add them
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20201126092711.1084518-2-vkoul@kernel.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Use __fill_rpmh_msg API during rpmh_write(). This allows to
remove duplication of code in error checking, copying commands
and setting message state.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/1606379490-4052-1-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
dma_direct_set_offset has been moved from dma-mapping.h to
dma-map-ops.h, but our driver hasn't been updated resulting in a build
breakage. Let's change the header to fix the build.
Fixes: 16fee29b07 ("dma-mapping: remove the dma_direct_set_offset export")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201124103546.839711-1-maxime@cerno.tech'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Hardware issue:
- Reading register RCPM_IPPDEXPCR1 always return zero, this causes
system firmware could not get correct information and wrongly do
clock gating for all wakeup source IP during system suspend. Then
those IPs will never get chance to wake system.
Workaround:
- Copy register RCPM_IPPDEXPCR1's setting to register SCFG_SPARECR8
to allow system firmware's psci method read it and do things accordingly.
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/fsl/qbman/qman.c: In function ‘qman_shutdown_fq’:
drivers/soc/fsl/qbman/qman.c:2700:8: warning: variable ‘dequeue_wq’ set but not used [-Wunused-but-set-variable]
Cc: Li Yang <leoyang.li@nxp.com>
Cc: YueHaibing <yuehaibing@huawei.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/fsl/qe/qe_common.c:237: warning: Function parameter or member 'addr' not described in 'cpm_muram_dma'
drivers/soc/fsl/qe/qe_common.c:237: warning: Excess function parameter 'offset' description in 'cpm_muram_dma'
Cc: Qiang Zhao <qiang.zhao@nxp.com>
Cc: Li Yang <leoyang.li@nxp.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: act <dmalek@jlc.net>
Cc: Dan Malek <dan@embeddedalley.com>
Cc: "Software, Inc" <source@mvista.com>
Cc: Vitaly Bordug <vbordug@ru.mvista.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/fsl/dpio/qbman-portal.c:430: warning: Function parameter or member 'inhibit' not described in 'qbman_swp_interrupt_set_inhibit'
drivers/soc/fsl/dpio/qbman-portal.c:430: warning: Excess function parameter 'mask' description in 'qbman_swp_interrupt_set_inhibit'
drivers/soc/fsl/dpio/qbman-portal.c:518: warning: Function parameter or member 'd' not described in 'qbman_eq_desc_clear'
drivers/soc/fsl/dpio/qbman-portal.c:529: warning: Function parameter or member 'respond_success' not described in 'qbman_eq_desc_set_no_orp'
drivers/soc/fsl/dpio/qbman-portal.c:529: warning: Excess function parameter 'response_success' description in 'qbman_eq_desc_set_no_orp'
drivers/soc/fsl/dpio/qbman-portal.c:941: warning: Function parameter or member 's' not described in 'qbman_swp_push_get'
drivers/soc/fsl/dpio/qbman-portal.c:941: warning: Excess function parameter 'p' description in 'qbman_swp_push_get'
drivers/soc/fsl/dpio/qbman-portal.c:955: warning: Function parameter or member 's' not described in 'qbman_swp_push_set'
drivers/soc/fsl/dpio/qbman-portal.c:955: warning: Excess function parameter 'p' description in 'qbman_swp_push_set'
drivers/soc/fsl/dpio/qbman-portal.c:1052: warning: Function parameter or member 'd' not described in 'qbman_pull_desc_set_fq'
drivers/soc/fsl/dpio/qbman-portal.c:1065: warning: Function parameter or member 'd' not described in 'qbman_pull_desc_set_wq'
drivers/soc/fsl/dpio/qbman-portal.c:1079: warning: Function parameter or member 'd' not described in 'qbman_pull_desc_set_channel'
drivers/soc/fsl/dpio/qbman-portal.c:1403: warning: Function parameter or member 'd' not described in 'qbman_release_desc_clear'
drivers/soc/fsl/dpio/qbman-portal.c:1412: warning: Function parameter or member 'd' not described in 'qbman_release_desc_set_bpid'
drivers/soc/fsl/dpio/qbman-portal.c:1412: warning: Function parameter or member 'bpid' not described in 'qbman_release_desc_set_bpid'
drivers/soc/fsl/dpio/qbman-portal.c:1421: warning: Function parameter or member 'd' not described in 'qbman_release_desc_set_rcdi'
drivers/soc/fsl/dpio/qbman-portal.c:1421: warning: Function parameter or member 'enable' not described in 'qbman_release_desc_set_rcdi'
Cc: Roy Pledge <Roy.Pledge@nxp.com>
Cc: Li Yang <leoyang.li@nxp.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
1. Limit the big.LITTLE cpuidle driver to Peach-Pit/Pi Chromebooks only
because these are the only platforms were the driver works properly.
2. Convert the Exynos CLKOUT driver to a full module which solves
boot-probe ordering issues (e.g. if device nodes in DTS are moved).
This also brings modularization and compile testing.
3. Few minor cleanups in documentation and code.
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Merge tag 'samsung-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/drivers
Samsung SoC drivers changes for v5.11
1. Limit the big.LITTLE cpuidle driver to Peach-Pit/Pi Chromebooks only
because these are the only platforms were the driver works properly.
2. Convert the Exynos CLKOUT driver to a full module which solves
boot-probe ordering issues (e.g. if device nodes in DTS are moved).
This also brings modularization and compile testing.
3. Few minor cleanups in documentation and code.
* tag 'samsung-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
clk: samsung: allow building the clkout driver as module
soc: samsung: s3c-pm-check: Fix incorrectly named variable 'val'
soc: samsung: exynos5422-asv: remove unneeded semicolon
serial: s3c: Update path of Samsung S3C machine file
Documentation: Update paths of Samsung S3C machine files
clk: samsung: exynos-clkout: convert to module driver
soc: samsung: exynos-pmu: instantiate clkout driver as MFD
cpuidle: big.LITTLE: enable driver only on Peach-Pit/Pi Chromebooks
Link: https://lore.kernel.org/r/20201113162211.10020-1-krzk@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The Allwinner SoCs have a number of high-bandwidth devices connected to
a memory bus with a different RAM mapping than the CPU.
This was addressed before through drivers setting the DMA offsets
directly, and subsequently changed to calls to dma_direct_set_offset.
However that wasn't really meant to be exported to modules (and thus
drivers). The duplicated code also led to small inconsistencies across
drivers in how we dealt with DT backward compatibility.
Move all that DMA setup code into a platform bus notifier to share that
code and remove the export on dma_direct_set_offset.
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Merge tag 'sunxi-rework-mbus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mripard/linux into arm/drivers
Allwinner MBUS and DMA-ops rework
The Allwinner SoCs have a number of high-bandwidth devices connected to
a memory bus with a different RAM mapping than the CPU.
This was addressed before through drivers setting the DMA offsets
directly, and subsequently changed to calls to dma_direct_set_offset.
However that wasn't really meant to be exported to modules (and thus
drivers). The duplicated code also led to small inconsistencies across
drivers in how we dealt with DT backward compatibility.
Move all that DMA setup code into a platform bus notifier to share that
code and remove the export on dma_direct_set_offset.
* tag 'sunxi-rework-mbus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
dma-mapping: remove the dma_direct_set_offset export
media: sun8i-di: Remove the call to of_dma_configure
media: cedrus: Remove the MBUS quirks
media: sun6i: Remove the MBUS quirks
media: sun4i: Remove the MBUS quirks
drm/sun4i: backend: Remove the MBUS quirks
soc: sunxi: Deal with the MBUS DMA offsets in a central place
drm/sun4i: backend: Fix probe failure with multiple backends
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Their only usage is to pass their address to qmi_handle_init() which
accepts const pointers to both qmi_ops and qmi_msg_handler. Make them
const to allow the compiler to put them in read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20201122232818.32072-1-rikard.falkeborn@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
clang static analysis reports this problem
pdr_interface.c:596:6: warning: Branch condition evaluates
to a garbage value
if (!req.service_path[0])
^~~~~~~~~~~~~~~~~~~~
This check that req.service_path was set in an earlier loop.
However req is a stack variable and its initial value
is undefined.
So initialize req to 0.
Fixes: fbe639b44a ("soc: qcom: Introduce Protection Domain Restart helpers")
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20200819184637.15648-1-trix@redhat.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Remove "iova" check from geni_se_tx_dma_unprep and geni_se_rx_dma_unprep
functions as checking with dma_mapping_error() is enough.
Signed-off-by: Roja Rani Yarubandi <rojay@codeaurora.org>
Link: https://lore.kernel.org/r/20201030145959.505-2-rojay@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The patch fix two reference leak.
1) pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to call put operation will result in
reference leak.
2) The pm_runtime_enable will increase power disable depth. Thus
a pairing decrement is needed on the error handling path to
keep it balanced.
We fix it by: 1) adding call pm_runtime_put_noidle or
pm_runtime_put_sync in error handling. 2) adding pm_runtime_disable
in error handling, to keep usage counter and disable depth balanced.
Fixes: 88139ed030 ("soc: ti: add Keystone Navigator DMA support")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Since the of_device_get_match_data() doesn't return error code, remove
wrong IS_ERR test. Proper check against NULL pointer is already done
later before usage: if (data && data->...).
Additionally, proceeding with empty device data is valid (e.g. in case
of "ti,am3356-pruss").
Reported-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
With the integration of chip-id detection scheme in kernel[1], there
is no specific need to maintain multitudes of SoC specific config
options, discussed as per [2], we have deprecated the usage in other
places for v5.10-rc1. Drop the configuration for the follow on kernel.
[1] drivers/soc/ti/k3-socinfo.c commit 907a2b7e2f ("soc: ti: add k3 platforms chipid module driver")
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/k3-ringacc.c:163: warning: Function parameter or member 'state' not described in 'k3_ring'
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/wkup_m3_ipc.c:227: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_set_mem_type'
drivers/soc/ti/wkup_m3_ipc.c:236: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_set_resume_address'
drivers/soc/ti/wkup_m3_ipc.c:248: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_request_pm_status'
drivers/soc/ti/wkup_m3_ipc.c:268: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_prepare_low_power'
drivers/soc/ti/wkup_m3_ipc.c:322: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_finish_low_power'
drivers/soc/ti/wkup_m3_ipc.c:369: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_set_rtc_only'
drivers/soc/ti/wkup_m3_ipc.c:369: warning: Excess function parameter 'wkup_m3_wakeup' description in 'wkup_m3_set_rtc_only'
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/pm33xx.c: In function ‘am33xx_do_sram_idle’:
drivers/soc/ti/pm33xx.c:138:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/knav_dma.c:507: warning: Function parameter or member 'channel' not described in 'knav_dma_close_channel'
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Sandeep Nair <sandeep_n@ti.com>
Cc: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/knav_qmss_queue.c:528: warning: Function parameter or member 'flags' not described in 'knav_queue_open'
drivers/soc/ti/knav_qmss_queue.c:528: warning: Function parameter or member 'id' not described in 'knav_queue_open'
drivers/soc/ti/knav_qmss_queue.c:528: warning: Function parameter or member 'name' not described in 'knav_queue_open'
drivers/soc/ti/knav_qmss_queue.c:551: warning: Excess function parameter 'qh' description in 'knav_queue_close'
drivers/soc/ti/knav_qmss_queue.c:551: warning: Function parameter or member 'qhandle' not described in 'knav_queue_close'
drivers/soc/ti/knav_qmss_queue.c:583: warning: Excess function parameter 'qh' description in 'knav_queue_device_control'
drivers/soc/ti/knav_qmss_queue.c:583: warning: Function parameter or member 'arg' not described in 'knav_queue_device_control'
drivers/soc/ti/knav_qmss_queue.c:583: warning: Function parameter or member 'cmd' not described in 'knav_queue_device_control'
drivers/soc/ti/knav_qmss_queue.c:583: warning: Function parameter or member 'qhandle' not described in 'knav_queue_device_control'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Excess function parameter 'data' description in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Excess function parameter 'qh' description in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Function parameter or member 'dma' not described in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Function parameter or member 'flags' not described in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Function parameter or member 'qhandle' not described in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Function parameter or member 'size' not described in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:655: warning: Excess function parameter 'qh' description in 'knav_queue_pop'
drivers/soc/ti/knav_qmss_queue.c:655: warning: Function parameter or member 'qhandle' not described in 'knav_queue_pop'
drivers/soc/ti/knav_qmss_queue.c:655: warning: Function parameter or member 'size' not described in 'knav_queue_pop'
drivers/soc/ti/knav_qmss_queue.c:759: warning: Function parameter or member 'name' not described in 'knav_pool_create'
drivers/soc/ti/knav_qmss_queue.c:759: warning: Function parameter or member 'num_desc' not described in 'knav_pool_create'
drivers/soc/ti/knav_qmss_queue.c:759: warning: Function parameter or member 'region_id' not described in 'knav_pool_create'
drivers/soc/ti/knav_qmss_queue.c:862: warning: Excess function parameter 'pool' description in 'knav_pool_destroy'
drivers/soc/ti/knav_qmss_queue.c:862: warning: Function parameter or member 'ph' not described in 'knav_pool_destroy'
drivers/soc/ti/knav_qmss_queue.c:892: warning: Excess function parameter 'pool' description in 'knav_pool_desc_get'
drivers/soc/ti/knav_qmss_queue.c:892: warning: Function parameter or member 'ph' not described in 'knav_pool_desc_get'
drivers/soc/ti/knav_qmss_queue.c:911: warning: Excess function parameter 'pool' description in 'knav_pool_desc_put'
drivers/soc/ti/knav_qmss_queue.c:911: warning: Function parameter or member 'desc' not described in 'knav_pool_desc_put'
drivers/soc/ti/knav_qmss_queue.c:911: warning: Function parameter or member 'ph' not described in 'knav_pool_desc_put'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Excess function parameter 'pool' description in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Function parameter or member 'desc' not described in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Function parameter or member 'dma' not described in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Function parameter or member 'dma_sz' not described in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Function parameter or member 'ph' not described in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Function parameter or member 'size' not described in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:956: warning: Excess function parameter 'pool' description in 'knav_pool_desc_unmap'
drivers/soc/ti/knav_qmss_queue.c:956: warning: Function parameter or member 'dma' not described in 'knav_pool_desc_unmap'
drivers/soc/ti/knav_qmss_queue.c:956: warning: Function parameter or member 'dma_sz' not described in 'knav_pool_desc_unmap'
drivers/soc/ti/knav_qmss_queue.c:956: warning: Function parameter or member 'ph' not described in 'knav_pool_desc_unmap'
drivers/soc/ti/knav_qmss_queue.c:975: warning: Excess function parameter 'pool' description in 'knav_pool_count'
drivers/soc/ti/knav_qmss_queue.c:975: warning: Function parameter or member 'ph' not described in 'knav_pool_count'
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Sandeep Nair <sandeep_n@ti.com>
Cc: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/knav_qmss_queue.c: In function ‘knav_setup_queue_pools’:
drivers/soc/ti/knav_qmss_queue.c:1310:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Sandeep Nair <sandeep_n@ti.com>
Cc: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
If a rstctrl reset bit is already deasserted, we can just bail out early
not wait for rstst to clear. Otherwise we can have deassert fail for
already deasserted resets.
Fixes: c5117a78dd ("soc: ti: omap-prm: poll for reset complete during de-assert")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to pm_runtime_put_noidle will result in
reference leak in knav_queue_probe, so we should fix it.
Fixes: 41f93af900 ("soc: ti: add Keystone Navigator QMSS driver")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
This needs to call of_node_put(np) before returning if of_iomap() fails.
Fixes: e0218dca57 ("soc: aspeed: Add soc info driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20201113100850.GA168908@mwanda
Signed-off-by: Joel Stanley <joel@jms.id.au>
Tony Lindgren