Commit Graph

38130 Commits

Author SHA1 Message Date
Rafał Miłecki ae2ed35a40 ARM: BCM5301X: Add DT for Asus RT-N18U
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04 20:58:08 +01:00
Rafał Miłecki e336a14d2a ARM: BCM5301X: Add DT for Buffalo WZR-1750DHP
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04 20:58:05 +01:00
Rafał Miłecki 302a5ef29d ARM: BCM5301X: Add DT for Netgear R6300 V2
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04 20:58:03 +01:00
Rafał Miłecki f6f8234439 ARM: BCM5301X: Add buttons for Netgear R6250
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04 20:57:58 +01:00
Arnd Bergmann ef1dfa7332 Fifth batch of cleanup/SoC for 3.19:
- removal of now dead code and AT91-specific driver
 - removal of !DT initialization in some core AT91 drivers
 - simplification of Kconfig DT board file selection: now automatic
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Merge tag 'at91-cleanup5' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/cleanup

Pull "Fifth batch of cleanup/SoC for 3.19" from Nicolas Ferre:

- removal of now dead code and AT91-specific driver
- removal of !DT initialization in some core AT91 drivers
- simplification of Kconfig DT board file selection: now automatic

* tag 'at91-cleanup5' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91: remove unused board.h file
  ARM: at91: remove unneeded header files
  ARM: at91/clocksource: remove !DT PIT initializations
  ARM: at91: at91rm9200 ST initialization is now DT only
  ARM: at91: remove old AT91-specific drivers
  ARM: at91: cleanup initilisation code by removing dead code
  ARM: at91/Kconfig: select board files automatically

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 19:11:03 +01:00
Arnd Bergmann 44229d22b8 First batch of defconfigs for AT91 / 3.19:
- use NEON for all C-A5, neon code handles the !NEON case
 - add new XDMA driver
 - add some useful drivers as we only have a single defconfig for all
   AT91SAM9/RM9200
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Merge tag 'at91-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/defconfig

Pull "First batch of defconfigs for AT91 / 3.19:" from Nicolas Ferre:

- use NEON for all C-A5, neon code handles the !NEON case
- add new XDMA driver
- add some useful drivers as we only have a single defconfig for all
  AT91SAM9/RM9200

* tag 'at91-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91/defconfig: add DM9000 to at91_dt
  ARM: at91/defconfig: add QT1070 to at91_dt
  ARM: at91/defconfig: add TCB PWM driver selection
  ARM: at91/defconfig: add the XDMA driver
  ARM: at91: sama5: update defconfig

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 19:09:18 +01:00
Felipe Balbi 99d2fae9eb [media] arm: omap2: rx51-peripherals: fix build warning
commit 68a3c04330 ([media] ARM: OMAP2: RX-51: update
si4713 platform data) updated board-rx51-peripherals.c
so that si4713 could be easily used on DT boot, but
it ended up introducing a build warning whenever
si4713 isn't enabled.

This patches fixes that warning:

arch/arm/mach-omap2/board-rx51-peripherals.c:1000:36: warning: \
	‘rx51_si4713_platform_data’ defined but not used [-Wunused-variable]
 static struct si4713_platform_data rx51_si4713_platform_data = {

Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-04 15:28:50 -02:00
Arnd Bergmann 403ea7f6c6 - rk3288 thermal driver that got accepted into the thermal tree
- mmc fifo sizes for Cortex-A9 SoCs
 - labels for the leds on the RadxaRock
 - core system supply for the Marsboard
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Merge tag 'v3.19-rockchip-dts4' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt

Pull "last dts changes for 3.19" from Jason Cooper:

- rk3288 thermal driver that got accepted into the thermal tree
- mmc fifo sizes for Cortex-A9 SoCs
- labels for the leds on the RadxaRock
- core system supply for the Marsboard

* tag 'v3.19-rockchip-dts4' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: dts: rockchip: Add input voltage supply regulators in pmic for Marsboard
  ARM: dts: rockchip: set FIFO size for SDMMC, SDIO and EMMC on rk3066 and rk3188
  ARM: dts: rockchip: add label property for leds on Radxa Rock
  ARM: dts: rockchip: enable thermal on rk3288-evb board
  ARM: dts: rockchip: add main thermal info to rk3288
  ARM: dts: rockchip: add RK3288 Thermal data

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 17:33:02 +01:00
Nicolas Ferre 51756cbd40 ARM: at91/defconfig: add DM9000 to at91_dt
This chip is present on at91sam9261ek board: add it to the at91_dt_defconfig.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-04 17:32:01 +01:00
Nicolas Ferre 97466d77e8 ARM: at91/defconfig: add QT1070 to at91_dt
As this touch button driver is used on at91sam9x5ek, it's better to enable it.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-04 17:32:00 +01:00
Nicolas Ferre e4b2cf64b9 ARM: at91/defconfig: add TCB PWM driver selection
This is the selection of the new PWM driver using TC Blocks. This driver is
useful so we enable it in both sama5 and at91_dt defconfig files.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-04 17:32:00 +01:00
Nicolas Ferre ca01a706f1 ARM: at91/defconfig: add the XDMA driver
Add the Atmel eXtended DMA Controller driver option. This driver is first used
on SAMA5D4 SoCs and only relevant in sama5_defconfig file.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-04 17:31:59 +01:00
Ludovic Desroches 3b1dec2f66 ARM: at91: sama5: update defconfig
Add neon support for sama5d4 and large blocks/files support.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-04 17:31:59 +01:00
Thomas Petazzoni 842f7d2c4d ARM: mvebu: use the cpufreq-dt platform_data for independent clocks
This commit adjusts the registration of the cpufreq-dt driver in the
mvebu platform to indicate to the cpufreq driver that the platform has
independent clocks for each CPU.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 17:31:32 +01:00
Arnd Bergmann 1d5f497d87 ARM: tegra: Device tree changes for v3.19
The bulk of these changes add memory controller nodes for Tegra30,
 Tegra114 and Tegra124. The memory controller implements an IOMMU that
 the display controllers are attached to. This allows them to scan out
 physically non-contiguous framebuffers and removes one of the primary
 users of CMA.
 
 The only other change adds a new MIPI pad control bank to the pin
 controller on Tegra124. The corresponding driver patch for this went
 into v3.18 as:
 
         3ccc11f6b8 pinctrl: tegra: Add MIPI pad control
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Merge tag 'tegra-for-3.19-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt2

Pull "ARM: tegra: Device tree changes for v3.19" from Thierry Reding:

The bulk of these changes add memory controller nodes for Tegra30,
Tegra114 and Tegra124. The memory controller implements an IOMMU that
the display controllers are attached to. This allows them to scan out
physically non-contiguous framebuffers and removes one of the primary
users of CMA.

The only other change adds a new MIPI pad control bank to the pin
controller on Tegra124. The corresponding driver patch for this went
into v3.18 as:

        3ccc11f6b8 pinctrl: tegra: Add MIPI pad control

* tag 'tegra-for-3.19-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  ARM: tegra: Enable IOMMU for display controllers on Tegra124
  ARM: tegra: Enable IOMMU for display controllers on Tegra114
  ARM: tegra: Enable IOMMU for display controllers on Tegra30
  ARM: tegra: Add memory controller support for Tegra124
  ARM: tegra: Add memory controller support for Tegra114
  ARM: tegra: Add memory controller support for Tegra30
  ARM: tegra: Add APB_MISC_GP as a MIPI pad control bank

These additional commits are merged as dependencies:

  memory: Add NVIDIA Tegra memory controller support
  of: Add NVIDIA Tegra memory controller binding
  ARM: tegra: Move AHB Kconfig to drivers/amba
  amba: Add Kconfig file
  clk: tegra: Implement memory-controller clock
  powerpc/iommu: Rename iommu_[un]map_sg functions
  iommu: Improve error handling when setting bus iommu
  iommu: Do more input validation in iommu_map_sg()
  iommu: Add iommu_map_sg() function

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 17:21:49 +01:00
Arnd Bergmann e58e501a9b ARM: tegra: IOMMU support for v3.19
This adds the driver pieces required for IOMMU support on Tegra30,
 Tegra114 and Tegra124.
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Merge tag 'tegra-for-3.19-iommu' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Pull "ARM: tegra: IOMMU support for v3.19" from Thierry Reding:

This adds the driver pieces required for IOMMU support on Tegra30,
Tegra114 and Tegra124.

* tag 'tegra-for-3.19-iommu' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  memory: Add NVIDIA Tegra memory controller support
  of: Add NVIDIA Tegra memory controller binding
  ARM: tegra: Move AHB Kconfig to drivers/amba
  amba: Add Kconfig file
  clk: tegra: Implement memory-controller clock
  powerpc/iommu: Rename iommu_[un]map_sg functions
  iommu: Improve error handling when setting bus iommu
  iommu: Do more input validation in iommu_map_sg()
  iommu: Add iommu_map_sg() function

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 17:20:02 +01:00
Arnd Bergmann 3d2660694c arm: Xilinx Zynq cleanup patches for v3.19
- Remove unused file and declaration
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Merge tag 'zynq-cleanup-for-3.19' of https://github.com/Xilinx/linux-xlnx into next/cleanup

Pull "arm: Xilinx Zynq cleanup patches for v3.19" from Michal Simek:

- Remove unused file and declaration

* tag 'zynq-cleanup-for-3.19' of https://github.com/Xilinx/linux-xlnx:
  ARM: zynq: Remove secondary_startup() declaration from header
  ARM: zynq: Actually remove hotplug.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 16:53:11 +01:00
Arnd Bergmann f3507cc586 arm: Xilinx Zynq dt patches for v3.19
- Declare Digilent and vendor
 - Add Zybo board support
 - Fix VDMA documentation to be align with the driver
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Merge tag 'zynq-dt-for-3.19' of https://github.com/Xilinx/linux-xlnx into next/dt

Pull "arm: Xilinx Zynq dt patches for v3.19" from Michal Simek:

- Declare Digilent and vendor
- Add Zybo board support
- Fix VDMA documentation to be align with the driver

* tag 'zynq-dt-for-3.19' of https://github.com/Xilinx/linux-xlnx:
  arm: dts: zynq: Add Digilent ZYBO board
  arm: dts: zynq: Move crystal freq. to board level
  doc: dt: vendor-prefixes: Add Digilent Inc
  Documentation: devicetree: Fix Xilinx VDMA specification

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 16:48:36 +01:00
Arnd Bergmann ab64920c37 mvebu SoC suspend changes for v3.19
- Armada 370/XP suspend/resume support
 
  - mvebu SoC driver suspend/resume support
     - irqchip
     - clocksource
     - mbus
     - clk
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Merge tag 'mvebu-soc-suspend-3.19' of git://git.infradead.org/linux-mvebu into next/soc

Pull "mvebu SoC suspend changes for v3.19" from Jason Cooper:

 - Armada 370/XP suspend/resume support

 - mvebu SoC driver suspend/resume support
    - irqchip
    - clocksource
    - mbus
    - clk

* tag 'mvebu-soc-suspend-3.19' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: add SDRAM controller description for Armada XP
  ARM: mvebu: adjust mbus controller description on Armada 370/XP
  ARM: mvebu: add suspend/resume DT information for Armada XP GP
  ARM: mvebu: synchronize secondary CPU clocks on resume
  ARM: mvebu: make sure MMU is disabled in armada_370_xp_cpu_resume
  ARM: mvebu: Armada XP GP specific suspend/resume code
  ARM: mvebu: reserve the first 10 KB of each memory bank for suspend/resume
  ARM: mvebu: implement suspend/resume support for Armada XP
  clk: mvebu: add suspend/resume for gatable clocks
  bus: mvebu-mbus: provide a mechanism to save SDRAM window configuration
  bus: mvebu-mbus: suspend/resume support
  clocksource: time-armada-370-xp: add suspend/resume support
  irqchip: armada-370-xp: Add suspend/resume support
  Documentation: dt-bindings: minimal documentation for MVEBU SDRAM controller

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 16:46:43 +01:00
Dmitry Lavnikevich ad8dd8827b ARM: defconfig: imx_v6_v7_defconfig updates
This is a squash of several imx_v6_v7_defconfig update patches.

 - Enable tlv320aic3x audio codec by default (Phytec PBAB01 board)
 - Enable DS1307 rtc and gpio fan by default (TBS2910 board)
 - Select thermal related drivers
 - Add SNVS power off driver

Signed-off-by: Dmitry Lavnikevich <d.lavnikevich@sam-solutions.com>
Signed-off-by: Soeren Moch <smoch@web.de>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 16:45:58 +01:00
Thierry Reding 5b605d4426 ARM: tegra: Enable IOMMU for display controllers on Tegra124
Add iommus properties to the device tree nodes for the two display
controllers found on Tegra124. This will allow the display controllers
to map physically non-contiguous buffers to I/O virtual contiguous
address spaces so that they can be used for scan-out.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-12-04 16:16:15 +01:00
Thierry Reding 32215e7160 ARM: tegra: Enable IOMMU for display controllers on Tegra114
Add iommus properties to the device tree nodes for the two display
controllers found on Tegra114. This will allow the display controllers
to map physically non-contiguous buffers to I/O virtual contiguous
address spaces so that they can be used for scan-out.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-12-04 16:16:15 +01:00
Thierry Reding 6d9adf6f00 ARM: tegra: Enable IOMMU for display controllers on Tegra30
Add iommus properties to the device tree nodes for the two display
controllers found on Tegra30. This will allow the display controllers to
map physically non-contiguous buffers to I/O virtual contiguous address
spaces so that they can be used for scan-out.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-12-04 16:16:14 +01:00
Thierry Reding b26ea06bab ARM: tegra: Add memory controller support for Tegra124
Add the memory controller and wire up the interrupt that is used to
report errors. Provide a reference to the memory controller clock and
mark the device as being an IOMMU by adding an #iommu-cells property.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-12-04 16:16:14 +01:00
Thierry Reding c6f70a4d17 ARM: tegra: Add memory controller support for Tegra114
Add the device tree node for the memory controller found on Tegra114
SoCs. The memory controller integrates an IOMMU (called SMMU) as well as
various knobs to tweak memory accesses by the various clients.

The old IOMMU device tree node is collapsed into the memory controller
node to more accurately describe the hardware. While this change is
incompatible, the IOMMU driver has never had any users so the change is
not going to cause any breakage.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-12-04 16:16:13 +01:00
Thierry Reding a9fe468f1b ARM: tegra: Add memory controller support for Tegra30
Collapses the old memory-controller and IOMMU device tree nodes into a
single node to more accurately describe the hardware.

While this is an incompatible change there are no users of the IOMMU on
Tegra, even though a driver has existed for some time.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-12-04 16:16:13 +01:00
Sean Paul 49727d30ea ARM: tegra: Add APB_MISC_GP as a MIPI pad control bank
This patch adds the APB_MISC_GP_MIPI_PAD_CTRL_0 as a pin-control bank on
Tegra124 so the new MIPI pad control group can be muxed between CSI and
DSI_B.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-12-04 16:16:12 +01:00
Stefano Stabellini da095a9960 xen/arm: introduce GNTTABOP_cache_flush
Introduce support for new hypercall GNTTABOP_cache_flush.
Use it to perform cache flashing on pages used for dma when necessary.

If GNTTABOP_cache_flush is supported by the hypervisor, we don't need to
bounce dma map operations that involve foreign grants and non-coherent
devices.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
2014-12-04 12:41:54 +00:00
Stefano Stabellini a4dba13089 xen/arm/arm64: introduce xen_arch_need_swiotlb
Introduce an arch specific function to find out whether a particular dma
mapping operation needs to bounce on the swiotlb buffer.

On ARM and ARM64, if the page involved is a foreign page and the device
is not coherent, we need to bounce because at unmap time we cannot
execute any required cache maintenance operations (we don't know how to
find the pfn from the mfn).

No change of behaviour for x86.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2014-12-04 12:41:54 +00:00
Stefano Stabellini 5121872afe xen/arm/arm64: merge xen/mm32.c into xen/mm.c
Merge xen/mm32.c into xen/mm.c.
As a consequence the code gets compiled on arm64 too.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
2014-12-04 12:41:53 +00:00
Stefano Stabellini 3567258d28 xen/arm: use hypercall to flush caches in map_page
In xen_dma_map_page, if the page is a local page, call the native
map_page dma_ops. If the page is foreign, call __xen_dma_map_page that
issues any required cache maintenane operations via hypercall.

The reason for doing this is that the native dma_ops map_page could
allocate buffers than need to be freed. If the page is foreign we don't
call the native unmap_page dma_ops function, resulting in a memory leak.

Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
2014-12-04 12:41:52 +00:00
Stefano Stabellini a0f2dee0cd xen: add a dma_addr_t dev_addr argument to xen_dma_map_page
dev_addr is the machine address of the page.

The new parameter can be used by the ARM and ARM64 implementations of
xen_dma_map_page to find out if the page is a local page (pfn == mfn) or
a foreign page (pfn != mfn).

dev_addr could be retrieved again from the physical address, using
pfn_to_mfn, but it requires accessing an rbtree. Since we already have
the dev_addr in our hands at the call site there is no need to get the
mfn twice.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2014-12-04 12:41:51 +00:00
Stefano Stabellini 2e2a7817fd xen/arm: use is_device_dma_coherent
Use is_device_dma_coherent to check whether we need to issue cache
maintenance operations rather than checking on the existence of a
particular dma_ops function for the device.

This is correct because coherent devices don't need cache maintenance
operations - arm_coherent_dma_ops does not set the hooks that we
were previously checking for existance.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
2014-12-04 12:41:51 +00:00
Stefano Stabellini 3d5391ac6f arm: introduce is_device_dma_coherent
Introduce a boolean flag and an accessor function to check whether a
device is dma_coherent. Set the flag from set_arch_dma_coherent_ops.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Russell King <linux@arm.linux.org.uk>
2014-12-04 12:41:50 +00:00
Stefano Stabellini 2f91fc331a xen/arm: if(pfn_valid(pfn)) call native dma_ops
Remove code duplication in mm32.c by calling the native dma_ops if the
page is a local page (not a foreign page). Use a simple pfn_valid(pfn)
check to figure out if the page is local, exploiting the fact that dom0
is mapped 1:1, therefore pfn_valid always returns false when called on a
foreign mfn.

Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
2014-12-04 12:41:48 +00:00
Stefano Stabellini 35e0be88c4 xen/arm: remove outer_*_range call
Dom0 is not actually capable of issuing outer_inv_range or
outer_clean_range calls.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
2014-12-04 12:41:47 +00:00
Stefano Stabellini e9e87eb3f9 xen/arm: remove handling of XENFEAT_grant_map_identity
The feature has been removed from Xen. Also Linux cannot use it on ARM32
without CONFIG_ARM_LPAE.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
2014-12-04 12:41:45 +00:00
Ulf Hansson cffa91380d ARM: shmobile: Convert to genpd flags for PM clocks for R-mobile
Instead of using the dev_ops ->stop|start() callbacks for genpd, let's
convert to use genpd's flag field and set it to GENPD_FLAG_PM_CLK.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-12-04 00:44:44 +01:00
Ulf Hansson 9c6a973629 ARM: shmobile: Convert to genpd flags for PM clocks for r8a7779
Instead of using the dev_ops ->stop|start() callbacks for genpd, let's
convert to use genpd's flag field and set it to GENPD_FLAG_PM_CLK.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-12-04 00:44:44 +01:00
Ard Biesheuvel 13d1b9575a ARM: 8221/1: PJ4: allow building in Thumb-2 mode
Two files that get included when building the multi_v7_defconfig target
fail to build when selecting THUMB2_KERNEL for this configuration.

In both cases, we can just build the file as ARM code, as none of its
symbols are exported to modules, so there are no interworking concerns.
In the iwmmxt.S case, add ENDPROC() declarations so the symbols are
annotated as functions, resulting in the linker to emit the appropriate
mode switches.

Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:08:00 +00:00
Dmitry Eremin-Solenikov ab71f99fd7 ARM: 8234/1: sa1100: reorder IRQ handling code
This patch just reorders functions/data inside sa1100 irq driver to be
able to merge functions that have the same code after converting to
irqdomains and hwirq. No real code changes.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:07:34 +00:00
Dmitry Eremin-Solenikov 1eeec6af0d ARM: 8233/1: sa1100: switch to hwirq usage
Switch internally to using hardware irq numbers (hwirq). In case of GPIO
interrupts, hwirq is equal to GPIO number. In case of system interrupts,
hwirq is equal to interrupt number in the interrupt controller.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:07:34 +00:00
Dmitry Eremin-Solenikov 0ebd465f37 ARM: 8232/1: sa1100: merge GPIO multiplexer IRQ to "normal" irq domain
IRQ_GPIO11_27 is a shared IRQ receiving IRQs from "high" GPIOs. It is
still handled by sa1100_normal_chip, so there is no point to exclude it
from "normal" irq domain. The IRQF_VALID flag set by domain map function
will be cleared by irq_set_chained_handler() internally.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:07:33 +00:00
Dmitry Eremin-Solenikov 1eca42b49d ARM: 8231/1: sa1100: introduce irqdomains support
Use irqdomains to manage both system and GPIO interrupts on SA1100 SoC
family. This opens path to further cleanup and unification in sa1100 IRQ
drivers.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:07:33 +00:00
Dmitry Eremin-Solenikov 18f3aec3fe ARM: 8230/1: sa1100: shift IRQs by one
As IRQ0 should not be used (especially in when using irq domains), shift all
virtual IRQ numbers by one.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:07:32 +00:00
Dmitry Eremin-Solenikov 0fea30c63e ARM: 8229/1: sa1100: replace irq numbers with names in irq driver
In preparation for further changes replace direct IRQ numbers with
pre-defined names. This imposes no real code changes.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:07:31 +00:00
Dmitry Eremin-Solenikov ff7f6d0bc5 ARM: 8228/1: sa1100: drop entry-macro.S
As mach-sa1100 was converted to MULTI_IRQ_HANDLER, drop now-unused
entry-macro.S file.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:07:31 +00:00
Dmitry Eremin-Solenikov affcab32e2 ARM: 8227/1: sa1100: switch to MULTI_IRQ_HANDLER
Add sa1100_handle_irq implementating handle_irq for sa1100 platform.
It is more or less a translation of old assembly code from assembler to
plain C. Also install this irq handler from sa1100_init_irq().

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:07:30 +00:00
Stephen Boyd f3a04202c5 ARM: 8241/1: Update processor_modes for hyp and monitor mode
If the kernel is running in hypervisor mode or monitor mode we'll
print UK6_32 or UK10_32 if we call into __show_regs(). Let's
update these strings to indicate the new modes that didn't exist
when this code was written.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:00:07 +00:00
Nicolas Pitre 216b4688cc ARM: 8240/1: MCPM: document mcpm_sync_init()
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:00:06 +00:00
Jungseung Lee 1f92f77ab6 ARM: 8239/1: Introduce {set,clear}_pte_bit
Introduce helper functions for pte_mk* functions and it would be
used to change individual bits in ptes at times.

Signed-off-by: Jungseung Lee <js07.lee@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:00:06 +00:00
Jungseung Lee 4e802cfd74 ARM: 8238/1: mm: Refine set_memory_* functions
set_memory_* functions have same implementation
except memory attribute.

This patch makes to use common function for these, and pull out
the functions into arch/arm/mm/pageattr.c like arm64 did.
It will reduce code size and enhance the readability.

Signed-off-by: Jungseung Lee <js07.lee@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:00:05 +00:00
Jungseung Lee 12e669b487 ARM: 8237/1: fix flush_pfn_alias
L1_CACHE_BYTES could be larger than real L1 cache line size.
In that case, flush_pfn_alias() would omit to flush last bytes
as much as L1_CACHE_BYTES - real cache line size.

So fix end address to "to + PAGE_SIZE - 1". The bottom bits of the address
is LINELEN. that is ignored by mcrr.

Signed-off-by: Jungseung Lee <js07.lee@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:00:04 +00:00
Jungseung Lee 802318743a ARM: 8236/1: mm: fix discard_old_kernel_data
L1_CACHE_BYTES could be larger value than real L1 cache line size.
In that case, discard_old_kernel_data() would omit to invalidate
last bytes as much as L1_CACHE_BYTES - real cache line size.

So fix end address to "to + PAGE_SIZE -1". The bottom bits
of the address is LINELEN. that is ignored by mcrr.

Signed-off-by: Jungseung Lee <js07.lee@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 16:00:04 +00:00
Jungseung Lee 1d4d37159d ARM: 8235/1: Support for the PXN CPU feature on ARMv7
Modern ARMv7-A/R cores optionally implement below new
hardware feature:

- PXN:
Privileged execute-never(PXN) is a security feature. PXN bit
determines whether the processor can execute software from
the region. This is effective solution against ret2usr attack.
On an implementation that does not include the LPAE, PXN is
optionally supported.

This patch set PXN bit on user page table for preventing
user code execution with privilege mode.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Jungseung Lee <js07.lee@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-12-03 15:57:45 +00:00
Arnd Bergmann ba62a8593d ARM: at91: remove unused board.h file
All functions declared in this file are gone.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: re-order patches so modify board-dt-sam9]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-03 14:16:07 +01:00
Nicolas Ferre f9aaa1a2ad ARM: at91: remove unneeded header files
These files were left behind with no reason. Remove them.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-03 14:16:07 +01:00
Arnd Bergmann 50755f6f03 ARM: at91/clocksource: remove !DT PIT initializations
As AT91 !DT code is now removed, cleanup the PIT clocksource driver.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: split patch]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Boris BREZILLON <boris.brezillon@free-electrons.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
2014-12-03 14:15:52 +01:00
Greg Kroah-Hartman deef2a118a Merge 3.18-rc7 into staging-work.
We want those staging fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02 16:20:59 -08:00
Romain Perier 288ce4a8b6 ARM: dts: rockchip: Add input voltage supply regulators in pmic for Marsboard
vsys is the core always-on supply of the Marsboard.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2014-12-02 17:58:39 +01:00
Arnd Bergmann 8117bf17fe ARM: at91: at91rm9200 ST initialization is now DT only
As at91rm9200 is now DT only, there is no need to keep old entry point in this
at91rm9200 System Timer (ST) driver.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: split patch]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-02 16:59:07 +01:00
Arnd Bergmann 85c4b31e6e ARM: at91: remove old AT91-specific drivers
GPIO and LED drivers were replaced by generic ones for DT boards. These drivers
were remaining: delete them now. Modifications are also done on the
corresponding header files.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: split patch]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-02 16:59:06 +01:00
Arnd Bergmann 865a381223 ARM: at91: cleanup initilisation code by removing dead code
The AT91-specific SoC strucutre "struct at91_init_soc" was filled with specific
!DT initilisation functions. Now that we got rid of the !DT board file
description, remove unneeded functions.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: split patch]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-02 16:59:06 +01:00
Arnd Bergmann e093d7cf37 ARM: at91/Kconfig: select board files automatically
An explicit selection option is not needed for board files so now we select the
board from SoC option.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: remove option's comments; split patch]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-02 16:58:58 +01:00
Julia Lawall f43c239407 crypto: arm - replace memset by memzero_explicit
Memset on a local variable may be removed when it is called just before the
variable goes out of scope.  Using memzero_explicit defeats this
optimization.  A simplified version of the semantic patch that makes this
change is as follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier x;
type T;
@@

{
... when any
T x[...];
... when any
    when exists
- memset
+ memzero_explicit
  (x,
-0,
  ...)
... when != x
    when strict
}
// </smpl>

This change was suggested by Daniel Borkmann <dborkman@redhat.com>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-12-02 22:55:51 +08:00
Dave Airlie e8115e79aa Linux 3.18-rc7
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Merge tag 'v3.18-rc7' into drm-next

This fixes a bunch of conflicts prior to merging i915 tree.

Linux 3.18-rc7

Conflicts:
	drivers/gpu/drm/exynos/exynos_drm_drv.c
	drivers/gpu/drm/i915/i915_drv.c
	drivers/gpu/drm/i915/intel_pm.c
	drivers/gpu/drm/tegra/dc.c
2014-12-02 10:58:33 +10:00
Hauke Mehrtens dec378827c ARM: BCM5301X: Add IRQs to Broadcom's bus-axi in DTS file
IRQ support for Broadcom's bus-axi driver bcma was merged into John
Linville's wireless tree and will show up in 3.19. This patch makes use
of this feature in the DTS file for the the BCM5301X SoCs. I left the
PCIe controller out, because this still needs some discussion.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-01 22:47:33 +01:00
Laurent Pinchart 5a0e9d7213 ARM: shmobile: marzen: Remove DU platform device
Platform data support has been removed from the DU driver, drop DU
support from the legacy Marzen board file. The multiplatform DT-based
Marzen support should be used instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-12-02 07:25:09 +10:00
Laurent Pinchart 792c17cbe2 ARM: shmobile: lager: Remove DU platform device
Platform data support has been removed from the DU driver, drop DU
support from the legacy Lager board file. The multiplatform DT-based
Lager support should be used instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-12-02 07:25:01 +10:00
Will Deacon 4bb25789ed arm: dma-mapping: plumb our iommu mapping ops into arch_setup_dma_ops
This patch plumbs the existing ARM IOMMU DMA infrastructure (which isn't
actually called outside of a few drivers) into arch_setup_dma_ops, so
that we can use IOMMUs for DMA transfers in a more generic fashion.

Since this significantly complicates the arch_setup_dma_ops function,
it is moved out of line into dma-mapping.c. If CONFIG_ARM_DMA_USE_IOMMU
is not set, the iommu parameter is ignored and the normal ops are used
instead.

Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-12-01 16:51:35 +00:00
Will Deacon af4dda732e arm: call iommu_init before of_platform_populate
We need to ensure that the IOMMUs in the system have a chance to perform
some basic initialisation before we start adding masters to them.

This patch adds a call to of_iommu_init before of_platform_populate.

Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-12-01 16:50:50 +00:00
Will Deacon 97890ba928 dma-mapping: detect and configure IOMMU in of_dma_configure
This patch extends of_dma_configure so that it sets up the IOMMU for a
device, as well as the coherent/non-coherent DMA mapping ops.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-12-01 16:50:45 +00:00
Will Deacon a3a60f81ee dma-mapping: replace set_arch_dma_coherent_ops with arch_setup_dma_ops
set_arch_dma_coherent_ops is called from of_dma_configure in order to
swizzle the architectural dma-mapping functions over to a cache-coherent
implementation. This is currently implemented only for ARM.

In anticipation of re-using this mechanism for IOMMU-backed dma-mapping
ops too, this patch replaces the function with a broader
arch_setup_dma_ops callback which will be extended in future.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-12-01 16:50:32 +00:00
Michal Simek 2b175186fb ARM: zynq: Remove secondary_startup() declaration from header
secondary_startup() in the header is not needed at all.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-12-01 09:32:22 +01:00
Peter Crosthwaite 7b01abb06c arm: dts: zynq: Add Digilent ZYBO board
Add a DTS describing the Digilent ZYBO board. Similar to ZED but with
a 50MHz crystal instead of 33MHz.

Acked-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-12-01 09:22:53 +01:00
Peter Crosthwaite 8c7634c0ee arm: dts: zynq: Move crystal freq. to board level
The fact that all supported boards use the same 33MHz crystal is a
co-incidence. The Zynq PS support a range of crystal freqs so the
hardcoded setting should be removed from the dtsi. Re-implement it
on the board level.

This prepares support for Zynq boards with different crystal
frequencies (e.g. the Digilent ZYBO).

Acked-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-12-01 09:22:50 +01:00
Greg Kroah-Hartman c00552ebaf Merge 3.18-rc7 into usb-next
We need the xhci fixes here and this resolves a merge issue with
drivers/usb/dwc3/ep0.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-30 19:21:03 -08:00
Julien CHAUVEAU 4c1e3ff74d ARM: dts: rockchip: set FIFO size for SDMMC, SDIO and EMMC on rk3066 and rk3188
The SDMMC, SDIO and EMMC controllers use an external FIFO whose size is 256x32bit.
This patch set the corresponding fifo-depth properties for both RK3066 and RK3188.

Signed-off-by: Julien CHAUVEAU <julien.chauveau@neo-technologies.fr>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2014-12-01 00:39:58 +01:00
Romain Perier 3db5894beb ARM: dts: rockchip: add label property for leds on Radxa Rock
The leds-gpio driver recently switched to the device property API. The device_node
name is no longer retrieved if the "label" devicetree property is not found.
In this case the driver tries to create entries with (null) name in
/sys/class/leds, which is wrong and generates backtrace as several gpio_leds have
the same name. Also renamed subnode "yellow" to "blue" to match the last
schematics updates.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2014-12-01 00:09:45 +01:00
Thomas Petazzoni 6e6db2bea3 ARM: mvebu: add SDRAM controller description for Armada XP
The suspend/resume sequence on Armada XP needs to modify a number of
registers in the SDRAM controller. Therefore, this commit updates the
Armada XP Device Tree description to include the SDRAM controller
Device Tree node.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1416585613-2113-17-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-11-30 16:40:19 +00:00
Thomas Petazzoni 8b7dc9d37a ARM: mvebu: adjust mbus controller description on Armada 370/XP
In order to support suspend/resume on Armada XP, an additional set of
registers need to be described at the MBus controller level. This
commit therefore adjusts the Device Tree of the Armada 370/XP SoC to
include those registers in the MBus controller description;

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1416585613-2113-16-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-11-30 16:40:18 +00:00
Thomas Petazzoni 389a367a5b ARM: mvebu: add suspend/resume DT information for Armada XP GP
This commit improves the Armada XP GP Device Tree description to
describe the 3 GPIOs that are used to connect the SoC to the PIC
micro-controller that we talk to shutdown the SoC when entering
suspend to RAM.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1416585613-2113-15-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-11-30 16:40:17 +00:00
Thomas Petazzoni b9b1de0f4d ARM: mvebu: synchronize secondary CPU clocks on resume
The Armada XP has multiple cores clocked by independent clocks. The
SMP startup code contains a function called set_secondary_cpus_clock()
called in armada_xp_smp_prepare_cpus() to ensure the clocks of the
secondary CPUs match the clock of the boot CPU.

With the introduction of suspend/resume, this operation is no longer
needed when booting the system, but also when existing the suspend to
RAM state. Therefore this commit reworks a bit the logic: instead of
configuring the clock of all secondary CPUs in
armada_xp_smp_prepare_cpus(), we do it on a per-secondary CPU basis in
armada_xp_boot_secondary(), as this function gets called when existing
suspend to RAM for each secondary CPU.

Since the function now only takes care of one CPU, we rename it from
set_secondary_cpus_clock() to set_secondary_cpu_clock(), and it looses
its __init marker, as it is now used beyond the system initialization.

Note that we can't use smp_processor_id() directly, because when
exiting from suspend to RAM, the code is apparently executed with
preemption enabled, so smp_processor_id() is not happy (prints a
warning). We therefore switch to using get_cpu()/put_cpu(), even
though we pretty much have the guarantee that the code starting the
secondary CPUs is going to run on the boot CPU and will not be
migrated.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1416585613-2113-14-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-11-30 16:40:16 +00:00
Thomas Petazzoni 77ea46d133 ARM: mvebu: make sure MMU is disabled in armada_370_xp_cpu_resume
The armada_370_xp_cpu_resume() until now was used only as the function
called by the SoC when returning from a deep idle state (as used in
cpuidle, or when the CPU is brought offline using CPU hotplug).

However, it is now also used when exiting the suspend to RAM state. In
this case, it is the bootloader that calls back into this function,
with the MMU left enabled by the BootROM. Having the MMU enabled when
entering this function confuses the kerrnel because we are not using
the kernel page tables at this point, but in other mvebu functions we
use the information on whether the MMU is enabled or not to find out
whether we should talk to the coherency fabric using a physical
address or a virtual address. To fix that, we simply disable the MMU
when entering this function, so that the kernel is in an expected
situation.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1416585613-2113-13-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-11-30 16:40:15 +00:00
Thomas Petazzoni 27432825ae ARM: mvebu: Armada XP GP specific suspend/resume code
On the Armada XP GP platform, entering suspend to RAM state is
triggering by talking to an external PIC micro-controller connected to
the SoC using 3 GPIOs. There is then a small magic sequence of GPIO
toggling that needs to be used to tell the PIC to turn off the SoC.

The code uses the Device Tree to find out which GPIOs are used to
connect to the PIC micro-controller, and then registers its
mvebu_armada_xp_gp_pm_enter() callback to the SoC-level PM code. The
SoC PM code will call back into this registered function at the very
end of the suspend procedure.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1416585613-2113-12-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-11-30 16:40:14 +00:00
Thomas Petazzoni 8da2b2f7ce ARM: mvebu: reserve the first 10 KB of each memory bank for suspend/resume
When going out of suspend to RAM, the Marvell EBU platforms go through
the bootloader, which re-configures the DRAM controller. To achieve
this, the bootloader executes a piece of code called the "DDR3
training code". It does some reads/writes to the memory to find out
the optimal timings for the memory chip being used.

This has the nasty side effect that the first 10 KB of each DRAM
chip-select are overwritten by the bootloader when exiting the suspend
to RAM state.

Therefore, this commit implements the ->reserve() hook for the 'struct
machine_desc' used on Armada XP, to reserve the 10 KB of each DRAM
chip-select using the memblock API.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1416585613-2113-11-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-11-30 16:40:13 +00:00
Thomas Petazzoni 8446be5d03 ARM: mvebu: implement suspend/resume support for Armada XP
This commit implements the core of the platform code to enable
suspend/resume on Armada XP. It registers the platform_suspend_ops
structure, and implements the ->enter() hook of this structure.

It is worth mentioning that this commit only provides the SoC-level
part of suspend/resume, which calls into some board-specific code
provided in a follow-up commit.

The most important thing that this SoC-level code has to do is to
build an in-memory structure that contains a magic number, the return
address in the kernel after resume, and a set of address/value
pairs. This structure is used by the bootloader to restore a certain
number of registers (according to the set of address/value pairs) and
then jump back into the kernel at the provided location.

The code also puts the SDRAM into self-refresh mode, before calling
into board-specific code to actually enter the suspend to RAM state.

[ jac - add email exchange between Andrew Lunn and Thomas Petazzoni to better
describe who consumes the address/value pairs ]

> > Is this a well defined mechanism supported by mainline uboot, barebox
> > etc. Or is it some Marvell extension to their uboot?
>
> As far as I know, it is a Marvell extension to their "binary header",
> so it's done even before U-Boot starts. Since the hardware needs
> assistance from the bootloader to do suspend/resume, there is
> necessarily a certain amount of cooperation/agreement needed by what
> the kernel does and what the bootloader expects. I'm not sure there's
> any "standard" mechanism here. Do you know of any?
>
> I know the suspend/resume on the Blackfin architecture works the same
> way (at least it used to work that way years ago when I did a bit of
> Blackfin stuff). And here as well, there was some cooperation between
> the kernel and the bootloader. See
> arch/blackfin/mach-common/dpmc_modes.S, function do_hibernate() at the
> end.
>

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1416585613-2113-10-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-11-30 16:40:12 +00:00
Paul Gortmaker cd4c910e00 netpoll: delete defconfig references to obsolete NETPOLL_TRAP
In commit 9c62a68d13 ("netpoll:
Remove dead packet receive code (CONFIG_NETPOLL_TRAP)") this
Kconfig option was removed.  So remove references to it from
all defconfigs as well.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-29 21:13:48 -08:00
David S. Miller 60b7379dc5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-11-29 20:47:48 -08:00
Arnd Bergmann 1306b20daa We can finally move the GPMC code to live in drivers/memory for
further clean up work.
 
 Note that we still have dependencies to the legacy booting for
 omap3 board-*.c files for setting up the board specific memory
 timings. For that we need the timing related things still exposed
 in include/linux/omap-gpmc.h. This will all become private data
 to the GPMC driver once the legacy booting support can be dropped.
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Merge tag 'omap-for-v3.19/gpmc-move-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/omap-gpmc

Pull "move omap gpmc to drivers finally" from Tony Lindgren:

We can finally move the GPMC code to live in drivers/memory for
further clean up work.

Note that we still have dependencies to the legacy booting for
omap3 board-*.c files for setting up the board specific memory
timings. For that we need the timing related things still exposed
in include/linux/omap-gpmc.h. This will all become private data
to the GPMC driver once the legacy booting support can be dropped.

* tag 'omap-for-v3.19/gpmc-move-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  memory: gpmc: Move omap gpmc code to live under drivers
  ARM: OMAP2+: Move GPMC initcall to devices.c
  ARM: OMAP2+: Prepare to move GPMC to drivers by platform data header

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 23:24:12 +01:00
Arnd Bergmann 96fd1112a9 ARM: tegra: Core code changes for v3.19
This contains a single fix for a bug that was introduced back in v3.13.
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Merge tag 'tegra-for-3.19-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/fixes-non-critical

Pull "ARM: tegra: Core code changes for v3.19" from Thierry Reding:

This contains a single fix for a bug that was introduced back in v3.13.

* tag 'tegra-for-3.19-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  ARM: tegra: Re-add removed SoC id macro to tegra_resume()

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 22:47:16 +01:00
Arnd Bergmann 368c7e57ce ARM: tegra: Default configuration changes for v3.19
This is merely a regeneration of the default configuration to get rid of
 two symbols that are now enabled by default or removed.
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Merge tag 'tegra-for-3.19-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/defconfig

Pull "ARM: tegra: Default configuration changes for v3.19" from Thierry Reding:

This is merely a regeneration of the default configuration to get rid of
two symbols that are now enabled by default or removed.

* tag 'tegra-for-3.19-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  ARM: tegra: Regenerate default configuration

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 22:44:56 +01:00
Arnd Bergmann e44cfd469b ARM: BCM5301X: Add some more devices to device tree
The most important part is adding the axi bus to the SoC dtsi file,
 this is the main bus on the SoC.
 
 These patches were all send to the arm list and I haven't got any
 negative responses.
 
 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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Merge tag 'bcm5301x-dt-2014-11-27' of https://github.com/hauke/linux into next/dt

Pull "ARM: BCM5301X: Add some more devices to device tree" from Hauke Mehrtens:

The most important part is adding the axi bus to the SoC dtsi file,
this is the main bus on the SoC.

These patches were all send to the arm list and I haven't got any
negative responses.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

* tag 'bcm5301x-dt-2014-11-27' of https://github.com/hauke/linux:
  ARM: BCM5301X: Add LEDs for Netgear R6250 V1
  ARM: BCM5301X: Add Broadcom's bus-axi to the DTS file

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 22:39:01 +01:00
Arnd Bergmann 2f84411d9f mvebu DT changes for v3.19 (round 3)
- Armada 375
     - Add PHY and USB cluster controller support
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Merge tag 'mvebu-dt-usb-phy-3.19-3' of git://git.infradead.org/linux-mvebu into next/dt2

Pull "mvebu DT changes for v3.19 (round 3)" from Jason Cooper:

 - Armada 375
    - Add PHY and USB cluster controller support

* tag 'mvebu-dt-usb-phy-3.19-3' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: add PHY support to the dts for the USB controllers on Armada 375
  ARM: mvebu: add Device Tree description of USB cluster controller on Armada 375

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 22:34:33 +01:00
Linus Torvalds 615b994e64 ARM: SoC fixes for 3.18-rc7
Just four simple fixes this week:
 
 - one missing of_node_put() on armv7 based mvebu
 - forcing the USB host into the right mode on Chromebook (exynos5-snow)
 - enabling two important drivers for exynos_defconfig
 - fixing a noncritical bug for tegra that would cause a
   regression with common code patches queued for 3.19
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Merge tag 'armsoc-for-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Not much interesting going on fixes-wise for us this week, as it
  should be for an -rc7.  I'm not expecting Olof to work much over
  Thanksgiving weekend, so I decided to take over again and push these
  out to you.

  Just four simple fixes this week:

   - one missing of_node_put() on armv7 based mvebu
   - forcing the USB host into the right mode on Chromebook
     (exynos5-snow)
   - enabling two important drivers for exynos_defconfig
   - fixing a noncritical bug for tegra that would cause a regression
     with common code patches queued for 3.19"

* tag 'armsoc-for-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: tegra: irq: fix buggy usage of irq_data irq field
  ARM: exynos_defconfig: Enable max77802 rtc and clock drivers
  ARM: dts: Explicitly set dr_mode on exynos5250-snow
  ARM: mvebu: add missing of_node_put() call in coherency.c
2014-11-28 13:34:32 -08:00
Linus Torvalds e818d5ed2a Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "Another round of relatively small ARM fixes.

  Thomas spotted that the strex backoff delay bit was a disable bit, so
  it needed to be clear for this to work.  Vladimir spotted that using a
  restart block for the cache flush operation would return -EINTR, which
  userspace was not expecting.  Dmitry spotted that the auxiliary
  control register accesses for Xscale were not correct"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 8226/1: cacheflush: get rid of restarting block
  ARM: 8222/1: mvebu: enable strex backoff delay
  ARM: 8216/1: xscale: correct auxiliary register in suspend/resume
2014-11-28 13:32:47 -08:00
Arnd Bergmann d60f5198ec Linux 3.18-rc4
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Merge tag 'v3.18-rc4' into next/dt2

Linux 3.18-rc4 is a dependency for the phy-dt-header branch that
is needed for the final mvebu DT changes.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 22:31:35 +01:00
Arnd Bergmann 6ecbdabe51 mvebu DT changes for v3.19 (round 2)
- mvebu
     - Use simple-card audio on Armada 370 DB
     - Add DSA node for Armada 370 DB
     - Add SDHCI to Armada 38x
     - Armada 370/XP rework to support new Synology boards
     - Add Synology DS213j and DS414
     - Various pinctrl and uart and alias fixes to help bootloaders
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Merge tag 'mvebu-dt-3.19-2' of git://git.infradead.org/linux-mvebu into next/dt

Pull "mvebu DT changes for v3.19 (round 2)" from Jason Cooper:

 - mvebu
    - Use simple-card audio on Armada 370 DB
    - Add DSA node for Armada 370 DB
    - Add SDHCI to Armada 38x
    - Armada 370/XP rework to support new Synology boards
    - Add Synology DS213j and DS414
    - Various pinctrl and uart and alias fixes to help bootloaders

* tag 'mvebu-dt-3.19-2' of git://git.infradead.org/linux-mvebu:
  arm: mvebu: normalize pinctrl entries for Armada SoCs
  arm: mvebu: fix wrongly named DS414 pinctrl entries
  arm: mvebu: add .dts file for Synology DS414
  arm: mvebu: add .dts file for Synology DS213j
  arm: mvebu: define and use common Armada XP SPI pinctrl setting
  arm: mvebu: define and use common Armada XP UART2/3 pinctrl settings
  arm: mvebu: define and use common Armada 370 UART pinctrl settings
  arm: mvebu: define and use common Armada 370 SPI pinctrl settings
  arm: mvebu: move Armada 370/XP pinctrl node definition armada-370-xp.dtsi
  arm: mvebu: use recently introduced uart label for stdout-path
  arm: mvebu: add uartX labels for Armada SoC serial nodes
  arm: mvebu: fix vendor prefix typo in kirkwood-synology.dtsi
  ARM: mvebu: fix ordering in Armada 370 .dtsi
  ARM: mvebu: adjust ethernet aliases according to U-Boot requirements for A38x
  ARM: mvebu: remove clock-frequency from Armada 38x SDHCI Device Tree node
  ARM: mvebu: enable no-1-8-v flag for Armada 385 DB SDHCI interface
  mvebu: 370 RD: Add support for the switch
  ARM: mvebu: use simple-card DT binding for audio on Armada 370 DB
  ARM: mvebu: remove conflicting muxing on Armada 370 DB

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 22:29:11 +01:00
Arnd Bergmann b654496a54 mvebu defconfig changes for v3.19 (round 2)
- mvebu
     - Add SDHCI, i2c, and MTD_BLOCK
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Merge tag 'mvebu-defconfig-3.19-2' of git://git.infradead.org/linux-mvebu into next/defconfig

Pull "mvebu defconfig changes for v3.19 (round 2)" from Jason Cooper:

 - mvebu
    - Add SDHCI, i2c, and MTD_BLOCK

* tag 'mvebu-defconfig-3.19-2' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: add MTD_BLOCK to mvebu_v7_defconfig
  ARM: mvebu: enable i2c device in mvebu_v7_defconfig
  ARM: mvebu: re-enable SDHCI driver for Armada 38x SoC in v7 defconfig

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 22:27:11 +01:00
Arnd Bergmann 756f80cee7 mvebu SoC changes for v3.19
- Armada 38x
     - Implement CPU hotplug support
 
  - Armada 375
     - Remove Z1 stepping support (limited dist. of SoC)
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Merge tag 'mvebu-soc-3.19' of git://git.infradead.org/linux-mvebu into next/soc

Pull "mvebu SoC changes for v3.19" from Jason Cooper:

 - Armada 38x
    - Implement CPU hotplug support

 - Armada 375
    - Remove Z1 stepping support (limited dist. of SoC)

* tag 'mvebu-soc-3.19' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: Implement the CPU hotplug support for the Armada 38x SoCs
  ARM: mvebu: Fix the secondary startup for Cortex A9 SoC
  ARM: mvebu: Move SCU power up in a function
  ARM: mvebu: Clean-up the Armada XP support
  ARM: mvebu: update comments in coherency.c
  ARM: mvebu: remove Armada 375 Z1 workaround for I/O coherency
  ARM: mvebu: remove unused register offset definition
  ARM: mvebu: disable I/O coherency on non-SMP situations on Armada 370/375/38x/XP
  ARM: mvebu: make the coherency_ll.S functions work with no coherency fabric
  ARM: mvebu: Remove thermal quirk for A375 Z1 revision
  ARM: mvebu: add missing of_node_put() call in coherency.c
  ARM: orion: Fix for certain sequence of request_irq can cause irq storm
  ARM: mvebu: armada xp: Generalize use of i2c quirk

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 22:25:11 +01:00
Pawel Moll 1f1dd5889c ARM: vexpress: Enable regulator framework when MMCI is in use
The MMCI driver, when used with a Device Tree described device, relies
on the "vmmc" voltage regulator supply to set the OCR register voltage bits,
using MMC core's mmc_regulator_get_supply() function.

Without the regulator framework present there are no valid operating
voltages reported and the device initialisation fails:

mmci-pl18x 10005000.mmci: No vmmc regulator found
mmci-pl18x 10005000.mmci: no support for card's volts
mmc0: error -22 whilst initialising SD card

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 21:57:07 +01:00
Tony Lindgren 1864019379 memory: gpmc: Move omap gpmc code to live under drivers
Just move to drivers as further clean-up can now happen there
finally.

Let's also add Roger and me to the MAINTAINERS so we get
notified for any patches related to GPMC.

Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-28 12:54:39 -08:00
Tony Lindgren a861280938 ARM: OMAP2+: Move GPMC initcall to devices.c
This will us allow to just move gpmc.c to live under drivers
in the next patch.

Note that we now also remove the omap specific check for the
initcall. That's OK as gpmc_probe() checks for the pdata
and bails out for other platforms compiled in.

Also the postcore_initcall() maybe possible to change to
just regular module_init(), but let's do that in separate
patch after the move to drivers is done.

Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-28 12:54:26 -08:00
Arnd Bergmann 00239d9da3 Fourth batch of cleanup/SoC for 3.19:
- removal of legacy board support for the last SoC having board C files: at91rm9200
 - removal or modification of some Kconfig options
 - switch to USE_OF for all the AT91 SoCs
 - removal of the old AT91-specific clocks and IRQ drivers
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Merge tag 'at91-cleanup4' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/cleanup

Pull "Fourth batch of cleanup/SoC for 3.19" from Nicolas Ferre:

- removal of legacy board support for the last SoC having board C files: at91rm9200
- removal or modification of some Kconfig options
- switch to USE_OF for all the AT91 SoCs
- removal of the old AT91-specific clocks and IRQ drivers

* tag 'at91-cleanup4' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91: remove unused IRQ function declarations
  ARM: at91: remove legacy IRQ driver and related code
  ARM: at91: remove old at91-specific clock driver
  ARM: at91: remove clock data in at91sam9n12.c and at91sam9x5.c files
  ARM: at91: remove all !DT related configuration options
  ARM: at91/trivial: update Kconfig comment to mention SAMA5
  ARM: at91: always USE_OF from now on
  ARM: at91/Kconfig: remove ARCH_AT91RM9200 option for drivers
  ARM: at91: switch configuration option to SOC_AT91RM9200
  ARM: at91: remove at91rm9200 legacy board support
  ARM: at91: remove at91rm9200 legacy boards files

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 16:18:18 +01:00
Arnd Bergmann e155aee2b2 Third batch of cleanup/SoC for 3.19:
- fixes following legacy board removal
 - removal of legacy board support for at91sam9263, at91sam9260/at91sam9g20
   and at91sam9261/at91sam9g10 SoCs families. Please use DT now.
 - removal of some now useless Kconfig options
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Merge tag 'at91-cleanup3' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/cleanup

Pull "Third batch of cleanup/SoC for 3.19" from Nicolas Ferre:

- fixes following legacy board removal
- removal of legacy board support for at91sam9263, at91sam9260/at91sam9g20
  and at91sam9261/at91sam9g10 SoCs families. Please use DT now.
- removal of some now useless Kconfig options

* tag 'at91-cleanup3' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91/Kconfig: remove useless fbdev Kconfig options
  ARM: at91: remove at91sam9261/at91sam9g10 legacy board support
  ARM: at91/Kconfig: remove unused config options
  ARM: at91: remove at91sam9260/at91sam9g20 legacy board support
  ARM: at91: remove at91sam9260/at91sam9g20 legacy boards files
  ARM: at91: remove at91sam9263 legacy board support
  ARM: at91/at91sam9g45: remove useless header file

Conflicts:
	arch/arm/mach-at91/at91sam9g45.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 16:15:14 +01:00
Pawel Moll 81cc3f868d ARM: vexpress: Remove non-DT code
Now, with the CLCD DT support available, there is no
more reason to keep the non-DT support for V2P-CA9.

Removed, together with "some" supporting code. It was
necessary to make PLAT_VERSATILE_SCHED_CLOCK optional
and selected by the machines still interested in it.

Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 16:08:16 +01:00
Zhangfei Gao 8f7501b85f ARM: multi_v7_defconfig: add driver support for hix5hd2
Tested on hix5hd2 platform with mmc, usb, network, reboot etc.

Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 16:05:22 +01:00
Arnd Bergmann ca7637585c change pinmux pingroup and add some lost node/prop
1. add resets properity for some nodes;
 2. change pinctrl groups for audio
 3. add PMU node
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Merge tag 'sirf-dts-for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux into next/dt

Pull "change pinmux pingroup and add some lost node/prop" from Barry Song:

1. add resets properity for some nodes;
2. change pinctrl groups for audio
3. add PMU node

* tag 'sirf-dts-for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux:
  ARM: dts: atlas6: add resets property for SPI nodes
  ARM: dts: atlas6: add resets property for VPP nodes
  ARM: dts: prima2: add resets property for VPP nodes
  ARM: dts: prima2: add resets property for GPS nodes
  ARM: dts: prima2: add node for Performance Monitor Unit
  ARM: dts: atlas6: Add I2S external clock input pingroup
  ARM: dts: atlas6: add a separate pingroup for i2s mclk output
  ARM: dts: prima2: add I2S 2ch, 6ch, nodin, mclk groups

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 15:11:38 +01:00
Oleksij Rempel d5bd4e8df4 ARM: add lolevel debug support for asm9260
Since there is no public documentation, this patch also provide register
offsets for different UART units on this SoC.

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 15:08:06 +01:00
Oleksij Rempel d9bfc86dc6 ARM: add mach-asm9260
it is low cost (?) SoC targeted for market in China and India which
trying to compete with AT91SAM9G25.

Here is some info:
http://www.alphascale.com/index.asp?ics/615.html

One of products:
http://www.aliexpress.com/store/product/2014-hot-sales-FREE-SHIPPING-new-Purple-core-ARM9-development-board-ASM9260T-SDRAM-power-line/433637_1931495721.html

In some cases this SoC looks similar to iMX23/iMX28. But currently it makes no
sense to merge mach code of this devices. Especially because most differences
are already collected mach-mxs folder.

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 15:06:38 +01:00
Arnd Bergmann fe0c888b89 Allwinner simple frambuffer support
This enables the simple framebuffer on all the supported Allwinner SoCs (but
 the A80). That allows to have at last a video display usable by using the
 framebuffer the firmware might have set up.
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Merge tag 'sunxi-simplefb-for-3.19' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/dt

Pull "Allwinner simple frambuffer support" from Maxime Ripard:

This enables the simple framebuffer on all the supported Allwinner SoCs (but
the A80). That allows to have at last a video display usable by using the
framebuffer the firmware might have set up.

* tag 'sunxi-simplefb-for-3.19' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: (55 commits)
  ARM: dts: sunxi: Update simplefb nodes so that u-boot can find them
  ARM: dts: sunxi: Add de_be0 clk parent pll to simplefb node
  ARM: dts: sun7i: Add simplefb node
  ARM: dts: sun6i: Add simplefb node
  ARM: dts: sun5i: Add simplefb node
  ARM: dts: sun4i: Add simplefb node
  ARM: dts: sun6i: Add ethernet support to M9 board
  ARM: sun6i: DT: Add PLL6 multiple outputs
  ARM: dts: sun6i: Add support for the status led
  ARM: dts: sun6i: Add EHCI support for the M9 board
  ARM: dts: sunxi: Add regulator-boot-on property to ahci-5v regulator
  ARM: dts: sun7i: Cubietruck: add power supply regulator for USB OTG VBUS
  ARM: dts: sun7i: Cubietruck: override regulator pin
  ARM: sun7i: dtsi: add support for usbphy0
  ARM: dtsi: sunxi: add common VBUS regulator
  ARM: dts: sunxi: Banana Pi: increase startup-delay for the GMAC PHY regulator
  ARM: sun5i: olinuxino: Relicense the device tree under GPLv2/X11
  ARM: sun4i: cubieboard: Relicense the device tree under GPLv2/X11
  ARM: sun7i: pcduino3: Relicense the device tree under GPLv2/X11
  ARM: sun4i: pcduino: Relicense the device tree under GPLv2/X11
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 15:04:20 +01:00
Arnd Bergmann 6b7f0570b1 The i.MX device tree changes for 3.19:
- Device additions for board vf610-colibri, pwm, backlight, I2C, RTC,
    ADC etc.
  - Update i.MX6 phyFLEX board to include PCIe, CAN and audio support
  - Improve SSI clocks description for i.MX5 platforms
  - Add ENET2 support for imx6sx-sdb board
  - Add device tree source for LS1021A SoC, board QDS and TWR
  - Enable cpufreq support for i.MX53
  - Enable VPU device support for i.MX6QDL
  - Enable poweroff support for i.MX6 SoCs
  - Add support for TBS2910 Matrix ARM mini PC which is built on i.MX6Q
  - Create generic base device trees for Vybrid and add support for
    Colibri VF50
 
 Note: the change set is built on top of imx-soc-3.19 to resolve the
 dependency that  "ARM: dts: imx53: add cpufreq-dt support" uses the
 clock define IMX5_CLK_ARM that is added by "ARM: imx53: clk: add ARM
 clock".
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Merge tag 'imx-dt-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

Pull "The i.MX device tree changes for 3.19" from Shawn Guo:

 - Device additions for board vf610-colibri, pwm, backlight, I2C, RTC,
   ADC etc.
 - Update i.MX6 phyFLEX board to include PCIe, CAN and audio support
 - Improve SSI clocks description for i.MX5 platforms
 - Add ENET2 support for imx6sx-sdb board
 - Add device tree source for LS1021A SoC, board QDS and TWR
 - Enable cpufreq support for i.MX53
 - Enable VPU device support for i.MX6QDL
 - Enable poweroff support for i.MX6 SoCs
 - Add support for TBS2910 Matrix ARM mini PC which is built on i.MX6Q
 - Create generic base device trees for Vybrid and add support for
   Colibri VF50

Note: the change set is built on top of imx-soc-3.19 to resolve the
dependency that  "ARM: dts: imx53: add cpufreq-dt support" uses the
clock define IMX5_CLK_ARM that is added by "ARM: imx53: clk: add ARM
clock".

* tag 'imx-dt-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (51 commits)
  ARM: dts: imx6q-tbs2910: Enable snvs-poweroff
  ARM: dts: imx6: add pm_power_off support for i.mx6 chips
  ARM: dts: vf-colibri: add USB regulators
  ARM: dts: imx6: phyFLEX: Add CAN support
  ARM: dts: imx6: phyFLEX: Add PCIe
  ARM: dts: imx6: phyFLEX: Set correct interrupt for pmic
  ARM: dts: imx6: phyFLEX: Enable gpmi in module file
  ARM: dts: imx6: phyFLEX: set nodes in alphabetical order
  ARM: dts: vf-colibri-eval-v3.dts: Enable ST-M41T0M6 RTC
  ARM: dts: vf-colibri: Add I2C support
  ARM: dts: imx6qdl: Enable CODA960 VPU
  ARM: dts: imx6q-tbs2910: Remove unneeded 'fsl,mode' property
  ARM: dts: vf610: enable USB misc/phy nodes where necessary
  ARM: dts: vf610: use new GPIO support
  ARM: dts: pbab01: enable I2S audio on phyFLEX-i.MX6 boards
  ARM: dts: pbab01: move i2c pins and frequency configuration into pfla02
  ARM: dts: vf500-colibri: add Colibri VF50 support
  ARM: dts: vf610: create generic base device trees
  ARM: dts: vf610: assign oscillator to clock module
  dt-bindings: arm: add Freescale LS1021A SoC device tree binding
  ...

Signed-off-by; Arnd Bergmann <arnd@arndb.de>
2014-11-28 15:01:57 +01:00
Arnd Bergmann 32e049ad79 The i.MX SoC update for 3.19:
- Update i.MX6 suspend code to check DDR instead of CPU type, as the
    difference we need to handle is between LPDDR2 and DDR3, not SoCs.
  - Set anatop properly for LPDDR2 in DSM mode
  - Add support for new SoC LS1021A which integrates dual Cortex-A7
  - Add ENET initialization for i.MX6SX platform
  - Add cpufreq support for i.MX53 platform
  - Add a SNVS based poweroff driver for i.MX6 platforms
  - Use ARM  Global Timer as clocksource on VF610
 
 Note: the change set is built on top of tag imx-fixes-3.18-2 to resolve
 a conflict on file arch/arm/mach-imx/clk-vf610.c.
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Merge tag 'imx-soc-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc

Pull "The i.MX SoC update for 3.19" from Shawn Guo

 - Update i.MX6 suspend code to check DDR instead of CPU type, as the
   difference we need to handle is between LPDDR2 and DDR3, not SoCs.
 - Set anatop properly for LPDDR2 in DSM mode
 - Add support for new SoC LS1021A which integrates dual Cortex-A7
 - Add ENET initialization for i.MX6SX platform
 - Add cpufreq support for i.MX53 platform
 - Add a SNVS based poweroff driver for i.MX6 platforms
 - Use ARM  Global Timer as clocksource on VF610

Note: the change set is built on top of tag imx-fixes-3.18-2 to resolve
a conflict on file arch/arm/mach-imx/clk-vf610.c.

* tag 'imx-soc-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  power: reset: imx-snvs-poweroff: add power off driver for i.mx6
  ARM: imx: temporarily remove CONFIG_SOC_FSL from LS1021A
  ARM: imx: clk-vf610: get input clocks from assigned clocks
  ARM: imx: Add Freescale LS1021A SMP support
  ARM: imx: Add initial support for Freescale LS1021A
  ARM: imx53: add cpufreq support
  ARM: imx53: clk: add ARM clock
  ARM: imx: add CPU clock type
  ARM: imx5: add step clock, used when reprogramming PLL1
  ARM: imx: add enet init for i.mx6sx
  ARM: imx6sx: add imx6sx iomux-gpr field define
  ARM: vf610: Add ARM Global Timer clocksource option
  ARM: imx: add anatop settings for LPDDR2 when enter DSM mode
  ARM: imx: replace cpu type check with ddr type check
  ARM: imx: Fix the removal of CONFIG_SPI option
  ARM: imx: clk-vf610: define PLL's clock tree

Signed-off-by; Arnd Bergmann <arnd@arndb.de>
2014-11-28 14:59:53 +01:00
Arnd Bergmann ad77b79125 The i.MX cleanup for 3.19:
- Clean up reset handler for DT machines, since reset has been handled
    in watchdog driver
  - Remove unneeded .map_io hook for a couple of i.MX6 machines
  - A few small i.MX6 device tree source cleanups
  - Some random iomuxc and pllv3 code cleanup
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Merge tag 'imx-cleanup-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/cleanup

Pull "The i.MX cleanup for 3.19" from Shawn Guo:

 - Clean up reset handler for DT machines, since reset has been handled
   in watchdog driver
 - Remove unneeded .map_io hook for a couple of i.MX6 machines
 - A few small i.MX6 device tree source cleanups
 - Some random iomuxc and pllv3 code cleanup

* tag 'imx-cleanup-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx: Remove unneeded .map_io initialization
  ARM: dts: imx6qdl-sabresd: Fix the microphone route
  ARM: imx: refactor mxc_iomux_mode()
  ARM: imx: simplify clk_pllv3_prepare()
  ARM: imx6q: drop unnecessary semicolon
  ARM: imx: clean up machine mxc_arch_reset_init_dt reset init
  ARM: dts: imx6qdl-rex: Remove unneeded 'fsl,mode' property
  ARM: dts: imx6qdl-gw5x: Remove unneeded 'fsl,mode' property
  ARM: dts: imx6qdl-sabresd: Use IMX6QDL_CLK_CKO define

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 14:58:12 +01:00
Arnd Bergmann ea4409cc44 More dts changes for omaps to add support for new devices:
- Add DCAN support am335x, am437x and dra7
 
 - Add devices for sb-t3x computers
 
 - Add support for NovaTech OrionLXm
 
 - Add n900 battery and si4713 support
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Merge tag 'omap-for-v3.19/dt-part2-updated' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Pull "More dts changes for omaps to add support for new devices" from Tony Lindgren:

- Add DCAN support am335x, am437x and dra7

- Add devices for sb-t3x computers

- Add support for NovaTech OrionLXm

- Add n900 battery and si4713 support

* tag 'omap-for-v3.19/dt-part2-updated' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (26 commits)
  ARM: dts: am335x-evm: Add DCAN1 details
  ARM: dts: am33xx: Update DCAN nodes
  ARM: dts: am33xx: Add control module syscon node
  ARM: dts: am437x-gp: Add dcan support
  ARM: dts: am4372: Add DCAN nodes
  ARM: dts: am4372: Add control module syscon node
  ARM: dts: dra72-evm: Add CAN support
  ARM: dts: dra7-evm: Add CAN support
  ARM: dts: DRA7: Add DCAN nodes
  ARM: dts: dra7: Add syscon regmap for CORE CONTROL area
  ARM: dts: sbc-t3x30: add audio support
  ARM: dts: sbc-t3x: add TV out display alias
  ARM: dts: cm-t3x: add TV out support
  ARM: dts: cm-t3x: add I2C1 pinmux
  ARM: dts: AM43xx: add tscadc DT entries for am437x-evm and am43x-epos-evm
  ARM: dts: cm-t3x30: add keypad support
  ARM: dts: sb-t35: add EEPROM support
  ARM: dts: cm-t3x: add EEPROM support
  ARM: OMAP2+: remove cm-t3x touchscreen pdata quirk
  ARM: dts: cm-t3x: add ADS7846 touchscreen support
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 14:56:14 +01:00
Arnd Bergmann df717a58a3 Merge (part of) tag 'omap-for-v3.19/hwmod-and-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
SoC related changes for omaps including hwmod clean-up for
DSS, and hwmod data for more UARTs and ADC. Also few defconfig
changes to enable devices found on am335x and am437x.

[arnd: I removed the defconfig changes from the branch in order
 to cherry-pick them onto the next/defconfig branch, but I did
 not change the other commits]

* commit '29c4ce17bcad':
  ARM: dts: cm-t3x30: add keypad support
  ARM: OMAP2+: hwmod: AM43x: add hwmod support for ADC on AM43xx
  ARM: DRA7: hwmod data: Add missing UART hwmod data
  ARM: dts: omap4.dtsi: remove dss_fck
  ARM: OMAP4: fix RFBI iclk
  ARM: OMAP4: hwmod: use MODULEMODE properly
  ARM: OMAP4: hwmod: set DSS submodule parent hwmods
  ARM: OMAP5: hwmod: set DSS submodule parent hwmods
  ARM: OMAP2+: hwmod: add parent_hwmod support

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 14:51:38 +01:00
Arnd Bergmann bcc8cef7c4 Samsung 3rd DT updates for v3.19
- exynos3250
   : remove unused bootargs on exynos3250-rinato
   : add new board dt file for exynos3250-monk
 - exynos4
   : add missing clock for MFC
   : specify default clocks for camera
 - exynos4x12
   : add TMU related DT nodes
 - exynos4412-trats2
   : add max77693-haptic and pwm nodes, enable TMU support
 - exynos4412-odroid
   : specify audio clock parents and rates
 - exynos5250 and exynos5420
   : add syscon based phandle to i2c device nodes
 - exynos5250-spring
   : add trackpad, temperature sensor and usb3505 pinctrl
 
 Note: based on previous tags/samsung-dt-2 for v3.19
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Merge tag 'samsung-dt-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt

Pull "Samsung 3rd DT updates for v3.19" from Kukjin Kim:

- exynos3250
  : remove unused bootargs on exynos3250-rinato
  : add new board dt file for exynos3250-monk
- exynos4
  : add missing clock for MFC
  : specify default clocks for camera
- exynos4x12
  : add TMU related DT nodes
- exynos4412-trats2
  : add max77693-haptic and pwm nodes, enable TMU support
- exynos4412-odroid
  : specify audio clock parents and rates
- exynos5250 and exynos5420
  : add syscon based phandle to i2c device nodes
- exynos5250-spring
  : add trackpad, temperature sensor and usb3505 pinctrl

Note: based on previous tags/samsung-dt-2 for v3.19

* tag 'samsung-dt-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: dts: add sysreg phandle to i2c device nodes for exynos
  ARM: dts: Remove unused bootargs from exynos3250-rinato
  ARM: dts: add board dts file for Exynos3250-based Monk board
  Documentation: devicetree: Add Exynos-based boards compatible string
  ARM: dts: add missing clock to MFC device for exynos4
  ARM: dts: Specify audio clock parents and rates for exynos4412-odroid-common
  ARM: dts: Add trackpad to exynos5250-spring
  ARM: dts: Add temperature sensor to exynos5250-spring
  ARM: dts: Add usb3503 pinctrl to exynos5250-spring
  ARM: dts: Add max77693-haptic node for exynos4412-trats2
  ARM: dts: add pwm node for exynos4412-trats2
  ARM: dts: Specify default clocks for Exynos4 camera devices
  ARM: dts: Enable TMU support for exynos4412-trats2
  ARM: dts: Device tree node definition for TMU on exynos4x12

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 13:29:46 +01:00
Arnd Bergmann 09ffd948a0 Samsung PM 3rd updates for v3.19
- exynos3250
   : add PMU support
 
 - PMU refactoring
   : move restart code into PMU driver
   : move restart code for exynos440 into clk driver
 
 - use u8 for val[] in struct exynos_pmu_conf
 
 Note that this branch is based on tags/samsung-exynos-v3.19
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Merge tag 'samsung-pm-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

Pull "Samsung PM 3rd updates for v3.19" from Kukjin Kim:

- exynos3250
  : add PMU support

- PMU refactoring
  : move restart code into PMU driver
  : move restart code for exynos440 into clk driver

- use u8 for val[] in struct exynos_pmu_conf

Note that this branch is based on tags/samsung-exynos-v3.19

* tag 'samsung-pm-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: use u8 for val[] in struct exynos_pmu_conf
  ARM: EXYNOS: move restart code into pmu driver
  clk: exynos5440: move restart code into clock driver
  ARM: EXYNOS: add exynos3250 PMU support

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 13:21:28 +01:00
Arnd Bergmann 5c5ee5e7c1 Samsung exynos updates in arch/arm/mach-exynos/ for v3.19
- add SOC_EXYNOS4415 config to be used in audio driver
 - add support platform driver for exynos PMU
 - move PMU specific definitions from common.h to exynos-pmu.h
 - for exynos5420, add support PMU and Suspend-to-RAM
   use MCPM call backs and call regulator core suspend prepare
   and finish functions
 
 NOTE:
 including v3.19-next/non-critical-fixes, v3.19-next/cleanup-samsung
 and v3.19-next/pm-samsung-2 branches
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Merge tag 'samsung-exynos-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

Pull "Samsung exynos updates in arch/arm/mach-exynos/ for v3.19" from Kukjin Kim:

- add SOC_EXYNOS4415 config to be used in audio driver
- add support platform driver for exynos PMU
- move PMU specific definitions from common.h to exynos-pmu.h
- for exynos5420, add support PMU and Suspend-to-RAM
  use MCPM call backs and call regulator core suspend prepare
  and finish functions

NOTE:
including v3.19-next/non-critical-fixes, v3.19-next/cleanup-samsung
and v3.19-next/pm-samsung-2 branches

* tag 'samsung-exynos-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Call regulator core suspend prepare and finish functions
  ARM: EXYNOS: Use MCPM call-backs to support S2R on exynos5420
  ARM: EXYNOS: Add Suspend-to-RAM support for exynos5420
  ARM: EXYNOS: Add PMU support for exynos5420
  ARM: EXYNOS: Move PMU specific definitions from common.h
  ARM: EXYNOS: Add platform driver support for Exynos PMU
  ARM: EXYNOS: Add support for exynos4415 SoC
  ARM: EXYNOS: fix typo in static struct name "exynos5_list_diable_wfi_wfe"
  ARM: EXYNOS: Fix CPU idle clock down after CPU off
  ARM: EXYNOS: Remove unneeded __ref annotation for cpu_die function
  ARM: EXYNOS: Move code from hotplug.c to platsmp.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 13:18:59 +01:00
Arnd Bergmann 16a8cb5928 Samsung 2nd DT updates for v3.19
- add micro SD card SDHCI node for exynos4412-trats
 - add exynos4415 DT
 - add exynos3250-rinato DT and sleep mode support
 
 Note: based on previous tags/samsung-dt for v3.19
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Merge tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt

Pull "Samsung 2nd DT updates for v3.19" from Kukjin Kim:

- add micro SD card SDHCI node for exynos4412-trats
- add exynos4415 DT
- add exynos3250-rinato DT and sleep mode support

Note: based on previous tags/samsung-dt for v3.19

* tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: dts: Add micro SD card SDHCI node for exynos4412-trats
  ARM: dts: Add dts files for exynos4415 SoC
  ARM: dts: Add sleep mode of regulator for exynos3250-rinato
  ARM: dts: Add sleep mode pin configuration for exynos3250-rinato
  ARM: dts: Add board dts file for exynos3250-rinato

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 13:16:25 +01:00
Krzysztof Kozlowski d33cf2e672 ARM: exynos_defconfig: Use 16 minors per MMC block device
16 minors per MMC block device are required to boot Rinato (Gear 2)
board because up to 15 partitions are used.

With default 8 minors booting failed with:
[    1.329092] mmcblk0: mmc0:0001 F5X5MA 3.64 GiB
[    1.329448] mmcblk0boot0: mmc0:0001 F5X5MA partition 1 4.00 MiB
[    1.329627] mmcblk0boot1: mmc0:0001 F5X5MA partition 2 4.00 MiB
[    1.329808] mmcblk0rpmb: mmc0:0001 F5X5MA partition 3 512 KiB
[    1.335717]  mmcblk0: p1 p2 p3 p4 p5 p6 p7
[    1.436553] Waiting for root device /dev/mmcblk0p15...

while the correct list of partitions on mmcblk0 for Gear 2 is:
[    1.436651]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13 p14 p15

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-11-28 13:14:33 +01:00
Arnd Bergmann c746dd2579 Samsung 2nd cleanup for v3.19
- remove unused static iomapping for exynos SoCs
   : remove unused static iomapping from exynos4/5_iodesc table,
     and related macros from mach/map.h and plat/map-s5p.h.
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Merge tag 'samsung-cleanup-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup

Pull "Samsung 2nd cleanup for v3.19" from Kukjin Kim:

- remove unused static iomapping for exynos SoCs
  : remove unused static iomapping from exynos4/5_iodesc table,
    and related macros from mach/map.h and plat/map-s5p.h.

* tag 'samsung-cleanup-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Remove unused static iomapping

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 13:10:30 +01:00
Arnd Bergmann 2b77b35dc2 Samsung non-critical-fixes for v3.19
- fix typo in static struct name "exynos5_list_diable_wfi_wfe"
   : it should be "exynos5_list_disable_wfi_wfe"
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Merge tag 'samsung-fixes-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/fixes-non-critical

Pull "Samsung non-critical-fixes for v3.19" from Kukjin Kim:

- fix typo in static struct name "exynos5_list_diable_wfi_wfe"
  : it should be "exynos5_list_disable_wfi_wfe"

* tag 'samsung-fixes-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: fix typo in static struct name "exynos5_list_diable_wfi_wfe"

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 13:07:49 +01:00
Arnd Bergmann 3510c70df7 Disable smp again on rk3288 temporarily to make Olof's boottest
run again, until the patches for using the physical architected
 timers got accepted.
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Merge tag 'v3.19-rockchip-dts3' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt

Pull "temporarily disable rk3288-smp" from Heiko Stuebner:

Disable smp again on rk3288 temporarily to make Olof's boottest
run again, until the patches for using the physical architected
timers got accepted.

* tag 'v3.19-rockchip-dts3' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: dts: rockchip: temporarily disable smp on rk3288

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 12:36:43 +01:00
H Hartley Sweeten b2b54c9f76 arm: ep93xx: add dma_masks for the M2P and M2M DMA controllers
The dma_mask and coherent_dma_mask need to be set or DMA memory allocations
will fail with error messages like this:

  ep93xx-dma ep93xx-dma-m2p: coherent DMA mask is unset

  ep93xx-dma ep93xx-dma-m2m: coherent DMA mask is unset

Add the missing information to the ep93xx-dma-m2p and ep93xx-dma-m2m
devices.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reported-by: Jeremy Moles <cubicool@gmail.com>
Tested-by: Alexander Sverdlin <subaparts@yandex.ru>
Cc: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 12:34:08 +01:00
Rafał Miłecki dd6d2e5f4b ARM: BCM5301X: Add LEDs for Netgear R6250 V1
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-11-27 22:30:32 +01:00
Rafał Miłecki fb026d3de3 ARM: BCM5301X: Add Broadcom's bus-axi to the DTS file
This has been successfully tested on Netgear R6250 and two other
development (unnamed) devices, all of them BCM4708 based.
We also got a possitive feedback from R7000 (BCM4709) tester.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-11-27 22:30:32 +01:00
Dmitry Eremin-Solenikov 44cb09c23f ARM: 8218/1: warn if bad IRQ was scheduled
If somebody causes an unexpected bad IRQ, this even will be unnoticed in
both dmesg and system logs. If the "bad" IRQ is stuck, the device will
just hang silently w/o reporting anything. Compare this to the generic
behaviour (from include/asm-generic/hardirq.h) which prints a message
with critical level. So to help everybody, include the same message into
ARM-specific ack_bad_irq().

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-11-27 16:15:33 +00:00
Dmitry Eremin-Solenikov 119acbd24c ARM: 8217/1: sa1100 collie: use gpio-charger instead of pda-power
Use gpio-charger driver instead of pda-power: it automatically cares
about used gpio and since collie does not differentiate between usb and
ac chargers, pda-power is an overkill for it.

As a bonus this allows us to remove gpio_to_irq calls from machine init
call - it is fragile. These gpio_to_irq calls will fail if gpios are
registered later, via device driver mechanisms.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-11-27 16:15:32 +00:00
Lin Yongting 279f487e0b ARM: 8225/1: Add unwinding support for memory copy functions
The memory copy functions(memcpy, __copy_from_user, __copy_to_user)
never had unwinding annotations added. Currently, when accessing
invalid pointer by these functions occurs the backtrace shown will
stop at these functions or some completely unrelated function.
Add unwinding annotations in hopes of getting a more useful backtrace
in following cases:
1. die on accessing invalid pointer by these functions
2. kprobe trapped at any instruction within these functions
3. interrupted at any instruction within these functions

Signed-off-by: Lin Yongting <linyongting@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-11-27 16:00:25 +00:00
Lin Yongting 207a6cb069 ARM: 8224/1: Add unwinding support for memmove function
The memmove function never had unwinding annotations added.
Currently, when accessing invalid pointer by memmove occurs the
backtrace shown will stop at memmove or some completely unrelated
function. Add unwinding annotations in hopes of getting a more
useful backtrace in following cases:
1. die on accessing invalid pointer by memmove
2. kprobe trapped at any instruction within memmove
3. interrupted at any instruction within memmove

Signed-off-by: Lin Yongting <linyongting@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-11-27 16:00:24 +00:00
Lin Yongting 20cb6abfe0 ARM: 8223/1: Add unwinding support for __memzero function
The __memzero function never had unwinding annotations added.
Currently, when accessing invalid pointer by __memzero occurs the
backtrace shown will stop at __memzero or some completely unrelated
function. Add unwinding annotations in hopes of getting a more
useful backtrace in following cases:
1. die on accessing invalid pointer by __memzero
2. kprobe trapped at any instruction within __memzero
3. interrupted at any instruction within __memzero

Signed-off-by: Lin Yongting <linyongting@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-11-27 16:00:23 +00:00
Vladimir Murzin 3f4aa45cee ARM: 8226/1: cacheflush: get rid of restarting block
We cannot restart cacheflush safely if a process provides user-defined
signal handler and signal is pending. In this case -EINTR is returned
and it is expected that process re-invokes syscall. However, there are
a few problems with that:
 * looks like nobody bothers checking return value from cacheflush
 * but if it did, we don't provide the restart address for that, so the
   process has to use the same range again
 * ...and again, what might lead to looping forever

So, remove cacheflush restarting code and terminate cache flushing
as early as fatal signal is pending.

Cc: stable@vger.kernel.org # 3.12+
Reported-by: Chanho Min <chanho.min@lge.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-11-27 15:55:35 +00:00
Thomas Petazzoni 995ab5189d ARM: 8222/1: mvebu: enable strex backoff delay
Under extremely rare conditions, in an MPCore node consisting of at
least 3 CPUs, two CPUs trying to perform a STREX to data on the same
shared cache line can enter a livelock situation.

This patch enables the HW mechanism that overcomes the bug. This fixes
the incorrect setup of the STREX backoff delay bit due to a wrong
description in the specification.

Note that enabling the STREX backoff delay mechanism is done by
leaving the bit *cleared*, while the bit was currently being set by
the proc-v7.S code.

[Thomas: adapt to latest mainline, slightly reword the commit log, add
stable markers.]

Fixes: de4901933f ("arm: mm: Add support for PJ4B cpu and init routines")

Cc: <stable@vger.kernel.org> # v3.8+
Signed-off-by: Nadav Haklai <nadavh@marvell.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-11-27 15:55:04 +00:00
Nicolas Ferre 4a109c50d1 ARM: at91: remove unused IRQ function declarations
Since 3b26f39b0a (ARM: at91: make use of the new AIC driver for dt enabled
boards) the old IRQ initialisation functions aren't used anymore: remove their
declaration in generic.h.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
2014-11-27 16:33:06 +01:00
Nicolas Ferre 1ccdde057b ARM: at91: remove legacy IRQ driver and related code
Remove irc.c and associated header file. The related code was idendified by
the CONFIG_OLD_IRQ_AT91 option that was removed previously. It has been spotted
by following coccinelle semantic match:

@rule1@
expression E;
statement S;
@@
(
- if (IS_ENABLED(CONFIG_OLD_IRQ_AT91)) S
|
- if (IS_ENABLED(CONFIG_OLD_IRQ_AT91) && E) S
)

Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
2014-11-27 16:18:00 +01:00
Arnd Bergmann 321081f5f5 Merge branch 'sunxi/dt' into next/dt
This avoids a boot regression

* sunxi/dt:
  Revert "ARM: dts: sunxi: unify APB1 clock"
  Revert "ARM: dts: sunxi: Use sun4i-a10-apb1-clk for sun6i/sun8i apb2 clocks."

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-27 16:05:30 +01:00
Arnd Bergmann 96ba18ffd0 mvebu fixes for v3.18 (round 2)
- mvebu
     - coherency.c needed an of_node_put()
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Merge tag 'mvebu-fixes-3.18-2' of git://git.infradead.org/linux-mvebu into fixes

Pull "mvebu fixes for v3.18 (round 2)" frm Jason Cooper:

 - mvebu
    - coherency.c needed an of_node_put()

* tag 'mvebu-fixes-3.18-2' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: add missing of_node_put() call in coherency.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-27 14:29:23 +01:00
Arnd Bergmann a572c9dd83 Samsung defconfig update for v3.18
- enable max77802 rtc and clock drivers for exynos_defconfig
   : enable the kernel config options to have the drivers for
     max77802 including rtc and 2-ch 32kHz clock outputs
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Merge tag 'samsung-defconfig-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes

Pull "Samsung defconfig update for v3.18" from Kukjin Kim:

- enable max77802 rtc and clock drivers for exynos_defconfig
  : enable the kernel config options to have the drivers for
    max77802 including rtc and 2-ch 32kHz clock outputs

* tag 'samsung-defconfig-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: exynos_defconfig: Enable max77802 rtc and clock drivers

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-27 14:26:52 +01:00
Arnd Bergmann d168c852d3 Samsung fixes for v3.18
- explicitly set dr_mode on exynos5250-snow
   this is required when kernel is built with USB gadget support.
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Merge tag 'samsung-fixes-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes

Pull "Samsung fixes for v3.18" from Kukjin Kim:

- explicitly set dr_mode on exynos5250-snow
  this is required when kernel is built with USB gadget support.

* tag 'samsung-fixes-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: dts: Explicitly set dr_mode on exynos5250-snow

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-27 14:24:41 +01:00
Marc Zyngier 9a343b9eb8 ARM: tegra: irq: fix buggy usage of irq_data irq field
The crazy gic_arch_extn thing that Tegra uses contains multiple
references to the irq field in struct irq_data, and uses this
to directly poke hardware register.

But irq is the *virtual* irq number, something that has nothing
to do with the actual HW irq (stored in the hwirq field). And once
we put the stacked domain code in action, the whole thing explodes,
as these two values are *very* different:

root@bacon-fat:~# cat /proc/interrupts
            CPU0       CPU1
 16:      25801       2075       GIC  29  twd
 17:          0          0       GIC  73  timer0
112:          0          0      GPIO  58  c8000600.sdhci cd
123:          0          0      GPIO  69  c8000200.sdhci cd
279:       1126          0       GIC 122  serial
281:          0          0       GIC  70  7000c000.i2c
282:          0          0       GIC 116  7000c400.i2c
283:          0          0       GIC 124  7000c500.i2c
284:        300          0       GIC  85  7000d000.i2c
[...]

Just replacing all instances of irq with hwirq fixes the issue.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-27 14:01:55 +01:00
Pankaj Dubey 1888eb75e6 ARM: dts: add sysreg phandle to i2c device nodes for exynos
This patch adds syscon based phandle to i2c device nodes of exynos5250
and exynos5420. These phandles will be used to save restore i2c sysreg
configuration register during s2r from i2c driver.

CC: Rob Herring <robh+dt@kernel.org>
CC: Randy Dunlap <rdunlap@infradead.org>
CC: Russell King <linux@arm.linux.org.uk>
CC: devicetree@vger.kernel.org
CC: linux-doc@vger.kernel.org
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-11-27 03:24:45 +09:00
Bartlomiej Zolnierkiewicz b04fa9f704 ARM: EXYNOS: use u8 for val[] in struct exynos_pmu_conf
Values stored in val[] are never bigger than a byte.

   text    data     bss     dec     hex filename
   7716    3692       8   11416    2c98 arch/arm/mach-exynos/pmu.o.before
   5436    1908       8    7352    1cb8 arch/arm/mach-exynos/pmu.o.after

Cc: Pankaj Dubey <pankaj.dubey@samsung.com>
Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-11-27 02:47:05 +09:00
Nicolas Ferre ff78a189b0 ARM: at91: remove old at91-specific clock driver
This clock driver collection was specific to AT91 and only used in !DT cases.
All clocks and the clock trees for all Atmel SoCs are now described by drivers
using the common clock framework.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
2014-11-26 18:43:44 +01:00
Nicolas Ferre b31706a281 ARM: at91: remove clock data in at91sam9n12.c and at91sam9x5.c files
As the CONFIG_OLD_CLK_AT91 option is gone, let's completely remove the AT91
old clock driver related data.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
2014-11-26 18:43:44 +01:00
Chanwoo Choi bd316f5ffc ARM: dts: Remove unused bootargs from exynos3250-rinato
This patch removes unused dt node of command line from Exynos3250-based
Rinato board because kernel use the command line from bootloader.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-11-27 02:43:39 +09:00
Youngjun Cho e0cefb3f79 ARM: dts: add board dts file for Exynos3250-based Monk board
This patch adds new board dts file to support Samsung Monk board which
is based on Exynos3250 SoC and has different H/W configuration from
Rinato.

This dts file support following features:
- eMMC
- Main PMIC (Samsung S2MPS14)
- Interface PMIC (Maxim MAX77836, MUIC, fuel-gauge, charger)
- RTC of Exynos3250
- ADC of Exynos3250 with NTC thermistor
- I2S of Exynos3250
- TMU of Exynos3250
- Secure firmware for Exynos3250 secondary cpu boot
- Serial ports of Exynos3250
- gpio-key for power key

Signed-off-by: Youngjun Cho <yj44.cho@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-11-27 02:43:39 +09:00
Nicolas Ferre ef7eda2cfe ARM: at91: remove all !DT related configuration options
OLD_CLK_AT91 & OLD_IRQ_AT91 were only selected by entries in Kconfig.non_dt
that are now gone. So we remove all this legacy stuff and select the proper
options in the SOC_ entries.

As USE_OF is now selected directly in arch/arm/Kconfig AT91 entry, we can
safely remove it everywhere in this file.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
2014-11-26 17:15:59 +01:00
Nicolas Ferre 32963a8ec8 ARM: at91/trivial: update Kconfig comment to mention SAMA5
Cortex-A5 SAMA5 processors were not listed, add this in the AT91 comment.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
2014-11-26 16:42:06 +01:00
Nicolas Ferre d48346c1cd ARM: at91: always USE_OF from now on
As we always use Device Tree now, we can add the configuration here.
Also remove the condition for PINCTRL_AT91.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
2014-11-26 16:42:06 +01:00