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Mark 800MHz OPP as a suspend opp for Exynos4412 based
boards so effectively cpufreq-dt driver behavior w.r.t.
suspend frequency matches what the old exynos-cpufreq
driver has been doing.
This patch fixes suspend/resume support on Exynos4412 based
Trats2 board and reboot hang on Exynos4412 based Odroid U3
board.
Cc: Thomas Abraham <thomas.ab@samsung.com>
Cc: Javier Martinez Canillas <javier@osg.samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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For Exynos4x12 platforms, add CPU operating points (using
opp-v2 bindings) and CPU regulator supply properties for
migrating from Exynos specific cpufreq driver to using
generic cpufreq driver.
Based on the earlier work by Thomas Abraham.
Cc: Doug Anderson <dianders@chromium.org>
Cc: Andreas Faerber <afaerber@suse.de>
Cc: Thomas Abraham <thomas.ab@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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Usage of labels instead of full paths reduces possible mistakes when
overriding nodes.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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Presented patch aims to move data necessary for correct CPU cooling device
configuration from exynos_tmu_data.c to device tree.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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Recent patch by Tomasz Figa ("irqchip: gic: Fix core ID calculation
when topology is read from DT") fixed GIC driver to filter cluster ID
from values returned by cpu_logical_map() for SoCs having registers
mapped without per-CPU banking making it is possible to add CPU nodes
for Exynos4 SoCs. In case of Exynos SoCs these CPU nodes are also
required by future changes adding initialization of cpuidle states in
Exynos cpuidle driver through DT.
Tested on Origen board (Exynos4210 SoC) and Trats2 (Exynos4412 SoC).
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch cleans a arm-pmu node up for exynos4. Only exynos4412 series
boards have four pmu interrupts. Rest of exynos4 boards, except 4412, have only
two pmu interrupts. Thus, we can define two interrupts in the
exynos4.dtsi and extends the interrupts only exynos4412.dtsi.
Cc: Chanwoo Choi <cw00.choi@samsung.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Tested-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds a PMU(Power Management Unit) syscon node. This
should be required for USB Phy syscon regmap I/F.
Cc: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup3
Merge "Exynos cleanup for v3.15" from Kukjin Kim:
- reorganize code for
- add support reserve memory for mfc-v7
- consolidate exynos4 and exynos5 machine codes
- add generic compatible strings for exynos4 and exynos5
- update DT with generic compatible strings
- move clk related dt-binding header file in dt-bindings/clock
* tag 'exynos-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
dt-bindings: clock: Move exynos-audss-clk.h to dt-bindings/clock
ARM: dts: Update Exynos DT files with generic compatible strings
ARM: EXYNOS: Add generic compatible strings
ARM: EXYNOS: Consolidate exynos4 and exynos5 machine files
ARM: EXYNOS: Consolidate CPU init code
ARM: SAMSUNG: Introduce generic Exynos4 and 5 helpers
ARM: EXYNOS: Add support to reserve memory for MFC-v7
ARM: SAMSUNG: Reorganize calls to reserve memory for MFC
Conflicts:
arch/arm/mach-exynos/exynos.c
Signed-off-by; Arnd Bergmann <arnd@arndb.de>
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Add generic compatible strings to the respective board DT files.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch move common dt data of interrupt combiner controller to
exynos4x12.dtsi. Each Exynos4x12 SoC has different number of interrput combiner
as following:
- Exynos4212 : interrput combiner 18(0 ~ 17)
- Exynos4412 : interrput combiner 20(0 ~ 19)
The exynos combiner driver initialize interrupt according to specific number
of interrput combiner.
- samsung,combiner-nr : The number of interrput combiners supported.
Also,
This patch arrange again the dt data according to register address
in exynos4212/exynos4412.dtsi.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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For consistency with other device tree nodes, this patch adds missing
spaces after node labels.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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For MCT block compatible with "samsung,exynos4412-mct", that uses PPI
interrupts for local timers, only one local interrupt needs to be
specified, since it is a per-processor interrupt.
This allows moving MCT node of Exynos4x12 SoCs back to common
exynos4x12.dtsi, since they have the same set of interrupts to be
specified, which was the only difference.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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MCT is not an interrupt controller and so there is no point for device
tree nodes representing it to contain interrupt-controller
and #interrupt-cells properties.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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All SoCs from Exynos4x12 series contain the MSHC block, so its node can
be located in exynos4x12.dtsi. In addition, missing clock specifiers
are added, generic SoC attributes are moved from board dts files
to common dtsi file of SoC family and the node is renamed to a more
generic name to follow node naming recommendations.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Clock lookup information is required as driver can manipulate
clock rate properly.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Replace /include/ (dtc) with #include (C pre-processor) for all
Samsung DT files
Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull late ARM Exynos multiplatform changes from Arnd Bergmann:
"These continue the multiplatform support for exynos, adding support
for building most of the essential drivers (clocksource, clk, irqchip)
when combined with other platforms. As a result, it should become
really easy to add full multiplatform exynos support in 3.11, although
we don't yet enable it for 3.10.
The changes were not included in the earlier multiplatform series in
order to avoid clashes with the other Exynos updates.
This also includes work from Tomasz Figa to fix the pwm clocksource
code on Exynos, which is not strictly required for multiplatform, but
related to the other patches in this set and needed as a bug fix for
at least one board."
* tag 'multiplatform-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
ARM: dts: exynops4210: really add universal_c210 dts
ARM: dts: exynos4210: Add basic dts file for universal_c210 board
ARM: dts: exynos4: Add node for PWM device
ARM: SAMSUNG: Do not register legacy timer interrupts on Exynos
clocksource: samsung_pwm_timer: Work around rounding errors in clockevents core
clocksource: samsung_pwm_timer: Correct programming of clock events
clocksource: samsung_pwm_timer: Use proper clockevents max_delta
clocksource: samsung_pwm_timer: Add support for non-DT platforms
clocksource: samsung_pwm_timer: Drop unused samsung_pwm struct
clocksource: samsung_pwm_timer: Keep all driver data in a structure
clocksource: samsung_pwm_timer: Make PWM spinlock global
clocksource: samsung_pwm_timer: Let platforms select the driver
Documentation: Add device tree bindings for Samsung PWM timers
clocksource: add samsung pwm timer driver
irqchip: exynos: look up irq using irq_find_mapping
irqchip: exynos: pass irq_base from platform
irqchip: exynos: localize irq lookup for ATAGS
irqchip: exynos: allocate combiner_data dynamically
irqchip: exynos: pass max combiner number to combiner_init
ARM: exynos: add missing properties for combiner IRQs
...
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Commit 800974ac ("ARM: dts: Add board dts file for ODROID-X") includes a node
to describe the board level properties for mshc controller. But the mshc
controller node was not added in the Exynos4x12 dtsi file which resulted
in the following warning when compiling the dtb files.
Warning (reg_format): "reg" property in /mshc@12550000/slot@0 has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1)
Warning (avoid_default_addr_size): Relying on default #address-cells value for /mshc@12550000/slot@0
Warning (avoid_default_addr_size): Relying on default #size-cells value for /mshc@12550000/slot@0
Fix this by adding the mshc controller node for Exynos4x12 SoCs.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Tested-by: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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The exynos combiner irqchip needs to find the parent interrupts
and needs to know their number, so add the missing properties
for exynos4 as they were already present for exynos5.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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For all supported peripheral controllers on Exynos4 SoCs, add clock
lookup information.
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Tested-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Add MCT device tree node for Exynos4210, Exynos4212, Exynos4412
and Exynos5250.
Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds device tree sources for EXYNOS4X12 SoC series
(currently EXYNOS4212 and EXYNOS4412) and enables mach-exynos4-dt
to support these SoCs.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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