Add mt8188 smi common & larb support
Signed-off-by: Chengci.Xu <chengci.xu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220817124608.10062-5-chengci.xu@mediatek.com
For concerns about security, the register to enable/disable IOMMU of
SMI LARB should only be configured in secure world. Thus, we add some
SMC command for multimedia master to enable/disable MM IOMMU in ATF by
setting the register of SMI LARB. This function is prepared for MT8188.
Signed-off-by: Chengci.Xu <chengci.xu@mediatek.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220817124608.10062-4-chengci.xu@mediatek.com
In MT8188, the register to enable/disable IOMMU can only be configured
in secure world by SMC call. We should add a return value for configure
port function for preparation because SMC call may return an error result.
Signed-off-by: Chengci.Xu <chengci.xu@mediatek.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220817124608.10062-3-chengci.xu@mediatek.com
Add support for configuring the Self Refresh Power Down (SRPD)
inactivity timeout on Broadcom STB chips. This is used to conserve power
when the DRAM activity is reduced.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220812222533.2428033-4-f.fainelli@gmail.com
We should add the of_node_put() when breaking out of
for_each_child_of_node() as it will automatically increase
and decrease the refcount.
Fixes: 976897dd96 ("memory: Extend of_memory with LPDDR3 support")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220719085640.1210583-2-windhl@126.com
We should add the of_node_put() when breaking out of
for_each_child_of_node() as it will automatically increase
and decrease the refcount.
Fixes: e6b42eb6a6 ("memory: emif: add device tree support to emif driver")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220719085640.1210583-1-windhl@126.com
The next generation (revision 1) of the DFL EMIF feature device requires
support for more than 4 memory banks. It does not support the selective
clearing of memory banks. A capability register replaces the previous
control register, and contains a bitmask to indicate the presence of each
memory bank. This bitmask aligns with the previous control register
bitmask that served the same purpose. The control and capability
registers are treated like a C Union structure in order to support both
the new and old revisions of the EMIF device.
Signed-off-by: Debarati Biswas <debaratix.biswas@intel.com>
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Tianfei Zhang <tianfei.zhang@intel.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220713130355.196115-1-tianfei.zhang@intel.com
The break of for_each_available_child_of_node() needs a
corresponding of_node_put() when the reference 'child' is not
used anymore. Here we do not need to call of_node_put() in
fail path as '!match' means no break.
While the of_platform_device_create() will created a new
reference by 'child' but it has considered the refcounting.
Fixes: fee10bd226 ("memory: pl353: Add driver for arm pl353 static memory controller")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220716031324.447680-1-windhl@126.com
- Fix return error code in mtk_cpu_dvfs_info_init (Yang Yingliang).
- Minor cleanups and support for new boards for Qcom cpufreq drivers
(Bryan O'Donoghue, Konrad Dybcio, Pierre Gondois, and Yicong Yang).
- Fix sparse warnings for Tegra cpufreq driver (Viresh Kumar).
- Make dev_pm_opp_set_regulators() accept NULL terminated list (Viresh
Kumar).
- Add dev_pm_opp_set_config() and friends and migrate other users and
helpers to using them (Viresh Kumar).
- Add support for multiple clocks for a device (Viresh Kumar and
Krzysztof Kozlowski).
- Configure resources before adding OPP table for Venus (Stanimir
Varbanov).
- Keep reference count up for opp->np and opp_table->np while they are
still in use (Liang He).
- Minor OPP cleanups (Viresh Kumar and Yang Li).
- Add a trace event for cpuidle to track missed (too deep or too
shallow) wakeups (Kajetan Puchalski).
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Merge tag 'pm-5.20-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These are ARM cpufreq updates and operating performance points (OPP)
updates plus one cpuidle update adding a new trace point.
Specifics:
- Fix return error code in mtk_cpu_dvfs_info_init (Yang Yingliang).
- Minor cleanups and support for new boards for Qcom cpufreq drivers
(Bryan O'Donoghue, Konrad Dybcio, Pierre Gondois, and Yicong Yang).
- Fix sparse warnings for Tegra cpufreq driver (Viresh Kumar).
- Make dev_pm_opp_set_regulators() accept NULL terminated list
(Viresh Kumar).
- Add dev_pm_opp_set_config() and friends and migrate other users and
helpers to using them (Viresh Kumar).
- Add support for multiple clocks for a device (Viresh Kumar and
Krzysztof Kozlowski).
- Configure resources before adding OPP table for Venus (Stanimir
Varbanov).
- Keep reference count up for opp->np and opp_table->np while they
are still in use (Liang He).
- Minor OPP cleanups (Viresh Kumar and Yang Li).
- Add a trace event for cpuidle to track missed (too deep or too
shallow) wakeups (Kajetan Puchalski)"
* tag 'pm-5.20-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (55 commits)
cpuidle: Add cpu_idle_miss trace event
venus: pm_helpers: Fix warning in OPP during probe
OPP: Don't drop opp->np reference while it is still in use
OPP: Don't drop opp_table->np reference while it is still in use
cpufreq: tegra194: Staticize struct tegra_cpufreq_soc instances
dt-bindings: cpufreq: cpufreq-qcom-hw: Add SM6375 compatible
dt-bindings: opp: Add msm8939 to the compatible list
dt-bindings: opp: Add missing compat devices
dt-bindings: opp: opp-v2-kryo-cpu: Fix example binding checks
cpufreq: Change order of online() CB and policy->cpus modification
cpufreq: qcom-hw: Remove deprecated irq_set_affinity_hint() call
cpufreq: qcom-hw: Disable LMH irq when disabling policy
cpufreq: qcom-hw: Reset cancel_throttle when policy is re-enabled
cpufreq: qcom-cpufreq-hw: use HZ_PER_KHZ macro in units.h
cpufreq: mediatek: fix error return code in mtk_cpu_dvfs_info_init()
OPP: Remove dev{m}_pm_opp_of_add_table_noclk()
PM / devfreq: tegra30: Register config_clks helper
OPP: Allow config_clks helper for single clk case
OPP: Provide a simple implementation to configure multiple clocks
OPP: Assert clk_count == 1 for single clk helpers
...
Here is the set of SPDX comment updates for 6.0-rc1.
Nothing huge here, just a number of updated SPDX license tags and
cleanups based on the review of a number of common patterns in GPLv2
boilerplate text. Also included in here are a few other minor updates,
2 USB files, and one Documentation file update to get the SPDX lines
correct.
All of these have been in the linux-next tree for a very long time.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull SPDX updates from Greg KH:
"Here is the set of SPDX comment updates for 6.0-rc1.
Nothing huge here, just a number of updated SPDX license tags and
cleanups based on the review of a number of common patterns in GPLv2
boilerplate text.
Also included in here are a few other minor updates, two USB files,
and one Documentation file update to get the SPDX lines correct.
All of these have been in the linux-next tree for a very long time"
* tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (28 commits)
Documentation: samsung-s3c24xx: Add blank line after SPDX directive
x86/crypto: Remove stray comment terminator
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_398.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_391.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_385.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_318.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_298.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_292.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_179.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 2)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 1)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_160.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_152.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_147.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_133.RULE
...
- Make dev_pm_opp_set_regulators() accept NULL terminated list (Viresh
Kumar).
- Add dev_pm_opp_set_config() and friends and migrate other
users/helpers to using them (Viresh Kumar).
- Add support for multiple clocks for a device (Viresh Kumar and
Krzysztof Kozlowski).
- Configure resources before adding OPP table for Venus (Stanimir
Varbanov).
- Keep reference count up for opp->np and opp_table->np while they are
still in use (Liang He).
- Minor cleanups (Viresh Kumar and Yang Li).
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Merge tag 'opp-updates-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull operating performance points (OPP) updates for 5.20-rc1 from Viresh
Kumar:
"- Make dev_pm_opp_set_regulators() accept NULL terminated list (Viresh
Kumar).
- Add dev_pm_opp_set_config() and friends and migrate other
users/helpers to using them (Viresh Kumar).
- Add support for multiple clocks for a device (Viresh Kumar and
Krzysztof Kozlowski).
- Configure resources before adding OPP table for Venus (Stanimir
Varbanov).
- Keep reference count up for opp->np and opp_table->np while they are
still in use (Liang He).
- Minor cleanups (Viresh Kumar and Yang Li)."
* tag 'opp-updates-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: (43 commits)
venus: pm_helpers: Fix warning in OPP during probe
OPP: Don't drop opp->np reference while it is still in use
OPP: Don't drop opp_table->np reference while it is still in use
OPP: Remove dev{m}_pm_opp_of_add_table_noclk()
PM / devfreq: tegra30: Register config_clks helper
OPP: Allow config_clks helper for single clk case
OPP: Provide a simple implementation to configure multiple clocks
OPP: Assert clk_count == 1 for single clk helpers
OPP: Add key specific assert() method to key finding helpers
OPP: Compare bandwidths for all paths in _opp_compare_key()
OPP: Allow multiple clocks for a device
dt-bindings: opp: accept array of frequencies
OPP: Make dev_pm_opp_set_opp() independent of frequency
OPP: Reuse _opp_compare_key() in _opp_add_static_v2()
OPP: Remove rate_not_available parameter to _opp_add()
OPP: Use consistent names for OPP table instances
OPP: Use generic key finding helpers for bandwidth key
OPP: Use generic key finding helpers for level key
OPP: Add generic key finding helpers and use them for freq APIs
OPP: Remove dev_pm_opp_find_freq_ceil_by_volt()
...
Tegra234 has multiple network interfaces with each their own memory
clients and stream IDs to allow for proper isolation.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Now that we have a central API to handle all OPP table configurations,
migrate the set-supported-hw family of helpers to use the new
infrastructure.
The return type and parameter to the APIs change a bit due to this,
update the current users as well in the same commit in order to avoid
breaking builds.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Based on the normalized pattern:
this program is free software you can redistribute it and/or modify it
under the terms of the gnu general public license as published by the
free software foundation version 2 this program is distributed as is
without any warranty of any kind whether express or implied without
even the implied warranty of merchantability or fitness for a
particular purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
of_parse_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
This function doesn't call of_node_put() in some error paths.
To unify the structure, Add put_node label and goto it on errors.
Fixes: 6e7674c3c6 ("memory: Add DMC driver for Exynos5422")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220602041721.64348-1-linmq006@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
The reference taken by 'of_find_device_by_node()' must be released when
not needed anymore.
Add the corresponding 'put_device()' in the error handling paths.
Fixes: 4740475770 ("memory: mtk-smi: Add device link for smi-sub-common")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220601120118.60225-1-linmq006@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
The MediaTek Helio X10 (MT6795) SoC has 5 LARBs and one common SMI
instance without any sub-common and without GALS.
While the smi-common configuration is specific to this SoC, on the
LARB side, this is similar to MT8173, in the sense that it doesn't
need the port in LARB, and the register layout is also compatible
with that one, which makes us able to fully reuse the smi-larb
platform data struct that was introduced for MT8173.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20220518091038.22380-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
The Texas Instruments OMAP General Purpose Memory Controller (GPMC) is
only present on TI OMAP2/3/4/5, Keystone, AM33xx, AM43x, DRA7xx, TI81xx,
and K3 SoCs. Hence add a dependency on ARCH_OMAP2PLUS || ARCH_KEYSTONE
|| ARCH_K3, to prevent asking the user about this driver when
configuring a kernel without OMAP2+, Keystone, or K3 SoC family support.
Fixes: be34f45f0d ("memory: omap-gpmc: Make OMAP_GPMC config visible and selectable")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/f6780f572f882ed6ab5934321942cf2b412bf8d1.1652174849.git.geert+renesas@glider.be
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
- Add Tegra234 cpufreq support (Sumit Gupta).
- Clean up and enhance the Mediatek cpufreq driver (Wan Jiabing,
Rex-BC Chen, and Jia-Wei Chang).
- Fix up the CPPC cpufreq driver after recent changes (Zheng Bin,
Pierre Gondois).
- Minor update to dt-binding for Qcom's opp-v2-kryo-cpu (Yassine
Oudjana).
- Use list iterator only inside the list_for_each_entry loop (Xiaomeng
Tong, and Jakob Koschel).
- New APIs related to finding OPP based on interconnect bandwidth
(Krzysztof Kozlowski).
- Fix the missing of_node_put() in _bandwidth_supported() (Dan
Carpenter).
- Cleanups (Krzysztof Kozlowski, and Viresh Kumar).
- Add Out of Band mode description to the intel-speed-select utility
documentation (Srinivas Pandruvada).
- Add power sequences support to the system reboot and power off
code and make related platform-specific changes for multiple
platforms (Dmitry Osipenko, Geert Uytterhoeven).
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Merge tag 'pm-5.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These update the ARM cpufreq drivers and fix up the CPPC cpufreq
driver after recent changes, update the OPP code and PM documentation
and add power sequences support to the system reboot and power off
code.
Specifics:
- Add Tegra234 cpufreq support (Sumit Gupta)
- Clean up and enhance the Mediatek cpufreq driver (Wan Jiabing,
Rex-BC Chen, and Jia-Wei Chang)
- Fix up the CPPC cpufreq driver after recent changes (Zheng Bin,
Pierre Gondois)
- Minor update to dt-binding for Qcom's opp-v2-kryo-cpu (Yassine
Oudjana)
- Use list iterator only inside the list_for_each_entry loop
(Xiaomeng Tong, and Jakob Koschel)
- New APIs related to finding OPP based on interconnect bandwidth
(Krzysztof Kozlowski)
- Fix the missing of_node_put() in _bandwidth_supported() (Dan
Carpenter)
- Cleanups (Krzysztof Kozlowski, and Viresh Kumar)
- Add Out of Band mode description to the intel-speed-select utility
documentation (Srinivas Pandruvada)
- Add power sequences support to the system reboot and power off code
and make related platform-specific changes for multiple platforms
(Dmitry Osipenko, Geert Uytterhoeven)"
* tag 'pm-5.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (60 commits)
cpufreq: CPPC: Fix unused-function warning
cpufreq: CPPC: Fix build error without CONFIG_ACPI_CPPC_CPUFREQ_FIE
Documentation: admin-guide: PM: Add Out of Band mode
kernel/reboot: Change registration order of legacy power-off handler
m68k: virt: Switch to new sys-off handler API
kernel/reboot: Add devm_register_restart_handler()
kernel/reboot: Add devm_register_power_off_handler()
soc/tegra: pmc: Use sys-off handler API to power off Nexus 7 properly
reboot: Remove pm_power_off_prepare()
regulator: pfuze100: Use devm_register_sys_off_handler()
ACPI: power: Switch to sys-off handler API
memory: emif: Use kernel_can_power_off()
mips: Use do_kernel_power_off()
ia64: Use do_kernel_power_off()
x86: Use do_kernel_power_off()
sh: Use do_kernel_power_off()
m68k: Switch to new sys-off handler API
powerpc: Use do_kernel_power_off()
xen/x86: Use do_kernel_power_off()
parisc: Use do_kernel_power_off()
...
There are minor updates to SoC specific drivers for chips by Rockchip,
Samsung, NVIDIA, TI, NXP, i.MX, Qualcomm, and Broadcom. Noteworthy
driver changes include:
- Several conversions of DT bindings to yaml format.
- Renesas adds driver support for R-Car V4H, RZ/V2M and RZ/G2UL SoCs.
- Qualcomm adds a bus driver for the SSC (Snapdragon Sensor Core),
and support for more chips in the RPMh power domains and the soc-id.
- NXP has a new driver for the HDMI blk-ctrl on i.MX8MP.
- Apple M1 gains support for the on-chip NVMe controller, making it
possible to finally use the internal disks. This also includes SoC
drivers for their RTKit IPC and for the SART DMA address filter.
For other subsystems that merge their drivers through the SoC tree,
we have
- Firmware drivers for the ARM firmware stack including TEE, OP-TEE,
SCMI and FF-A get a number of smaller updates and cleanups. OP-TEE
now has a cache for firmware argument structures as an optimization,
and SCMI now supports the 3.1 version of the specification.
- Reset controller updates to Amlogic, ASpeed, Renesas and ACPI drivers
- Memory controller updates for Tegra, and a few updates for other
platforms.
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Merge tag 'arm-drivers-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"There are minor updates to SoC specific drivers for chips by Rockchip,
Samsung, NVIDIA, TI, NXP, i.MX, Qualcomm, and Broadcom.
Noteworthy driver changes include:
- Several conversions of DT bindings to yaml format.
- Renesas adds driver support for R-Car V4H, RZ/V2M and RZ/G2UL SoCs.
- Qualcomm adds a bus driver for the SSC (Snapdragon Sensor Core),
and support for more chips in the RPMh power domains and the
soc-id.
- NXP has a new driver for the HDMI blk-ctrl on i.MX8MP.
- Apple M1 gains support for the on-chip NVMe controller, making it
possible to finally use the internal disks. This also includes SoC
drivers for their RTKit IPC and for the SART DMA address filter.
For other subsystems that merge their drivers through the SoC tree, we
have
- Firmware drivers for the ARM firmware stack including TEE, OP-TEE,
SCMI and FF-A get a number of smaller updates and cleanups. OP-TEE
now has a cache for firmware argument structures as an
optimization, and SCMI now supports the 3.1 version of the
specification.
- Reset controller updates to Amlogic, ASpeed, Renesas and ACPI
drivers
- Memory controller updates for Tegra, and a few updates for other
platforms"
* tag 'arm-drivers-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (159 commits)
memory: tegra: Add MC error logging on Tegra186 onward
memory: tegra: Add memory controller channels support
memory: tegra: Add APE memory clients for Tegra234
memory: tegra: Add Tegra234 support
nvme-apple: fix sparse endianess warnings
soc/tegra: pmc: Document core domain fields
soc: qcom: pdr: use static for servreg_* variables
soc: imx: fix semicolon.cocci warnings
soc: renesas: R-Car V3U is R-Car Gen4
soc: imx: add i.MX8MP HDMI blk-ctrl
soc: imx: imx8m-blk-ctrl: Add i.MX8MP media blk-ctrl
soc: imx: add i.MX8MP HSIO blk-ctrl
soc: imx: imx8m-blk-ctrl: set power device name
soc: qcom: llcc: Add sc8180x and sc8280xp configurations
dt-bindings: arm: msm: Add sc8180x and sc8280xp LLCC compatibles
soc/tegra: pmc: Select REGMAP
dt-bindings: reset: st,sti-powerdown: Convert to yaml
dt-bindings: reset: st,sti-picophyreset: Convert to yaml
dt-bindings: reset: socfpga: Convert to yaml
dt-bindings: reset: snps,axs10x-reset: Convert to yaml
...
Replace legacy pm_power_off with kernel_can_power_off() helper that
is aware about chained power-off handlers.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add support for logging memory controller errors on Tegra186, Tegra194
and Tegra234. On these SoCs, interrupts can occur on multiple channels.
Add support required to read the status of interrupts across multiple
channels, log and clear them.
Also add new interrupts supported on these SoCs.
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Ashish Mhetre <amhetre@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20220506132312.3910637-5-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
From Tegra186 onwards, the memory controller supports multiple channels.
Add support for mapping the address spaces of these channels and specify
the number of channels supported by Tegra186, Tegra194 and Tegra234.
In case of old bindings, channels won't be present. If channels are not
present then print a warning and continue so that backward compatibility
will be preserved in driver.
During error interrupts from memory controller, appropriate registers
from these channels need to be accessed for logging error info.
Signed-off-by: Ashish Mhetre <amhetre@nvidia.com>
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20220506132312.3910637-4-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Add the memory clients on Tegra234 which are needed for APE
DMA to properly use the SMMU.
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20220506132312.3910637-3-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
The memory controller and external memory controller found on Tegra234
is similar to the version found on earlier SoCs but supports a number of
new memory clients.
Add initial memory client definitions for the Tegra234 so that the SMMU
stream ID override registers can be properly programmed at boot time.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20220506132312.3910637-2-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
1. Cleanup: simplify platform_get_resource() calls by using
devm_platform_get_and_ioremap_resource() helper.
2. OMAP: allow building omap-gpmc as module and make it visible (it is
not selected by platform anymore).
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Merge tag 'memory-controller-drv-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers
Memory controller drivers for v5.19, part two
1. Cleanup: simplify platform_get_resource() calls by using
devm_platform_get_and_ioremap_resource() helper.
2. OMAP: allow building omap-gpmc as module and make it visible (it is
not selected by platform anymore).
* tag 'memory-controller-drv-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
memory: omap-gpmc: Allow building as a module
memory: omap-gpmc: Make OMAP_GPMC config visible and selectable
memory: renesas-rpc-if: simplify platform_get_resource_byname()
memory: brcmstb_dpfe: simplify platform_get_resource_byname()
memory: tegra: mc: simplify platform_get_resource()
memory: ti-emif-pm: simplify platform_get_resource()
memory: ti-emif: simplify platform_get_resource()
memory: emif: simplify platform_get_resource()
memory: da8xx-ddrctl: simplify platform_get_resource()
Link: https://lore.kernel.org/r/20220503070652.54091-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Allow OMAP_GPMC to be built as a module.
When building this driver as a module, the symbol
'of_default_bus_match_table' will not be found as it is not being
exported.
The of_match_node() call is redundant anyways as
of_platform_default_populate() already takes care of matching with
'of_default_bus_match_table'. So get rid of that call. This will also
resolve the module build failure.
Move compatible match table to the end where it is usually expected.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20220426082611.24427-3-rogerq@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
So far for armv7 TI platforms, GPMC was being selected by
arch/arm/mach-* architecture Kconfig files.
For K3 platforms, GPMC is no longer required for basic boot and cannot
be always enabled by default by mach- Kconfig.
We need a way for user (or board defconfig) to enable it if required so
make OMAP_GPMC Kconfig option always visible.
Drop COMPILE_TEST as build fails if IRQ_DOMAIN is not enabled.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20220426082611.24427-2-rogerq@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
HyperFlash devices fail to probe:
rpc-if-hyperflash rpc-if-hyperflash: probing of hyperbus device failed
In HyperFlash or Octal-SPI Flash mode, the Transfer Data Enable bits
(SPIDE) in the Manual Mode Enable Setting Register (SMENR) are derived
from half of the transfer size, cfr. the rpcif_bits_set() helper
function. However, rpcif_reg_{read,write}() does not take the bus size
into account, and does not double all Manual Mode Data Register access
sizes when communicating with a HyperFlash or Octal-SPI Flash device.
Fix this, and avoid the back-and-forth conversion between transfer size
and Transfer Data Enable bits, by explicitly storing the transfer size
in struct rpcif, and using that value to determine access size in
rpcif_reg_{read,write}().
Enforce that the "high" Manual Mode Read/Write Data Registers
(SM[RW]DR1) are only used for 8-byte data accesses.
While at it, forbid writing to the Manual Mode Read Data Registers,
as they are read-only.
Fixes: fff53a551d ("memory: renesas-rpc-if: Correct QSPI data transfer in Manual mode")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/cde9bfacf704c81865f57b15d1b48a4793da4286.1649681476.git.geert+renesas@glider.be
Link: https://lore.kernel.org/r/20220420070526.9367-1-krzysztof.kozlowski@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Use the devm_platform_ioremap_resource() helper instead of calling
platform_get_resource() and devm_ioremap_resource() separately.Make the
code simpler without functional changes.
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Link: https://lore.kernel.org/r/20220418020147.2556925-1-lv.ruyi@zte.com.cn
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
For manual write and read, factor out the common access to the first
data register by keeping track of the current data pointer.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/c3b2a8d1a69f1b1e8d1a460148406cfb83e52eb4.1649857740.git.geert+renesas@glider.be
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Commit 3e25f800af ("memory: fsl_ifc: populate child devices without
relying on simple-bus") was trying to replace the "simple-bus"
compatible with explicit bus populate in the driver. But
of_platform_populate() only populates child nodes of ifc without
populating child buses and child mfd devices residing under ifc. Change
it to of_platform_default_populate() to fix the problem.
Fixes: 3e25f800af ("memory: fsl_ifc: populate child devices without relying on simple-bus")
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Link: https://lore.kernel.org/r/20220307204118.19093-1-leoyang.li@nxp.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
'dmc->counter' is a 'struct devfreq_event_dev **', so there is some
over memory allocation. 'counters_size' should be computed with
'sizeof(struct devfreq_event_dev *)'.
Use 'sizeof(*dmc->counter)' instead to fix it.
While at it, use devm_kcalloc() instead of devm_kzalloc()+open coded
multiplication.
Fixes: 6e7674c3c6 ("memory: Add DMC driver for Exynos5422")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/69d7e69346986e2fdb994d4382954c932f9f0993.1647760213.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.
Fixes: 87108dc78e ("memory: atmel-ebi: Enable the SMC clock if specified")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220309110144.22412-1-linmq006@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Make sure to free the flash platform device in the event that
registration fails during probe.
Fixes: ca7d8b980b ("memory: add Renesas RPC-IF driver")
Cc: stable@vger.kernel.org # 5.8
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20220303180632.3194-1-johan@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
There are a few separately maintained driver subsystems that we merge through
the SoC tree, notable changes are:
- Memory controller updates, mainly for Tegra and Mediatek SoCs,
and clarifications for the memory controller DT bindings
- SCMI firmware interface updates, in particular a new transport based
on OPTEE and support for atomic operations.
- Cleanups to the TEE subsystem, refactoring its memory management
For SoC specific drivers without a separate subsystem, changes include
- Smaller updates and fixes for TI, AT91/SAMA5, Qualcomm and NXP
Layerscape SoCs.
- Driver support for Microchip SAMA5D29, Tesla FSD, Renesas RZ/G2L,
and Qualcomm SM8450.
- Better power management on Mediatek MT81xx, NXP i.MX8MQ
and older NVIDIA Tegra chips
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Merge tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"There are a few separately maintained driver subsystems that we merge
through the SoC tree, notable changes are:
- Memory controller updates, mainly for Tegra and Mediatek SoCs, and
clarifications for the memory controller DT bindings
- SCMI firmware interface updates, in particular a new transport
based on OPTEE and support for atomic operations.
- Cleanups to the TEE subsystem, refactoring its memory management
For SoC specific drivers without a separate subsystem, changes include
- Smaller updates and fixes for TI, AT91/SAMA5, Qualcomm and NXP
Layerscape SoCs.
- Driver support for Microchip SAMA5D29, Tesla FSD, Renesas RZ/G2L,
and Qualcomm SM8450.
- Better power management on Mediatek MT81xx, NXP i.MX8MQ and older
NVIDIA Tegra chips"
* tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (154 commits)
ARM: spear: fix typos in comments
soc/microchip: fix invalid free in mpfs_sys_controller_delete
soc: s4: Add support for power domains controller
dt-bindings: power: add Amlogic s4 power domains bindings
ARM: at91: add support in soc driver for new SAMA5D29
soc: mediatek: mmsys: add sw0_rst_offset in mmsys driver data
dt-bindings: memory: renesas,rpc-if: Document RZ/V2L SoC
memory: emif: check the pointer temp in get_device_details()
memory: emif: Add check for setup_interrupts
dt-bindings: arm: mediatek: mmsys: add support for MT8186
dt-bindings: mediatek: add compatible for MT8186 pwrap
soc: mediatek: pwrap: add pwrap driver for MT8186 SoC
soc: mediatek: mmsys: add mmsys reset control for MT8186
soc: mediatek: mtk-infracfg: Disable ACP on MT8192
soc: ti: k3-socinfo: Add AM62x JTAG ID
soc: mediatek: add MTK mutex support for MT8186
soc: mediatek: mmsys: add mt8186 mmsys routing table
soc: mediatek: pm-domains: Add support for mt8186
dt-bindings: power: Add MT8186 power domains
soc: mediatek: pm-domains: Add support for mt8195
...
Arnd Bergmann