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authorArnd Bergmann <arnd@arndb.de>2015-10-14 17:57:03 +0200
committerArnd Bergmann <arnd@arndb.de>2015-10-14 17:57:03 +0200
commitb1ee27d44d3eef26c042e20c49fafee1b7987d10 (patch)
treed176562dcd3d0921571a920fc3d7cfe7818ff7fd /Documentation
parent8ee57b8182c4069e8b2939dde68a60536c663df1 (diff)
parentdf829b06f0079165d9dc7719af8f8a7da852fe51 (diff)
downloadlinux-b1ee27d44d3eef26c042e20c49fafee1b7987d10.tar.bz2
Merge tag 'samsung-dt-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
Merge "Samsung DT updates for v4.4" from Kukjin Kim: - New board support : add exynos5250-snow-rev5 DT file to support Snow Rev5+ board : add exynos5422-odroidxu4 DT file to support Odroid XU4 board : split exynos5422-odroidxu3-audio DT file from odroidxu3-common - USE GPIO constants for flags cells for exynos boards - fix cpu compatible value to 'arm926ej-s' for s3c2416 - add DMA support for serial ports for exynos4 - add suspend opp for exynos4412 - remove regulator-compatible usage for exynos4412-trats2 - enable EC vboot context support for Peach boards - move display-timings node to DP for exynos5250-arndale, smdk5250 and smdk5420 - for exynos4412-odroid/odroidu3 : unify voltage regulator style and : remove redundant pinctrl settings : add pwm-fan node and use it as a colling device - for exynos5422-odroidxu3 : fix power off method and LEDs - dt-bindings : grounded AC0KB pin on S2MPS11 : entry how to use PWM FAN as a cooling device * tag 'samsung-dt-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (22 commits) ARM: dts: Use GPIO constants for flags cells in exynos5440 boards ARM: dts: Use GPIO constants for flags cells in exynos5420/5422/5800 boards ARM: dts: Use GPIO constants for flags cells in exynos4412 boards ARM: dts: Use GPIO constants for flags cells in exynos4120 boards ARM: dts: Use GPIO constants for flags cells in exynos3250 boards ARM: dts: Enable EC vboot context support on Peach boards ARM: dts: Remove regulator-compatible usage in exynos4412-trats2 ARM: dts: Move display-timings node from fimd to dp in exynos5250-arndale, smdk5250 and smdk5420 ARM: dts: Add Exynos5250 Snow Rev5+ support on exynos5250-snow-rev5 ARM: dts: Unify voltage regulator style in exynos4412-odroid ARM: dts: Remove redundant pinctrl settings in exynos4412-odroid ARM: dts: Fix cpu compatible value for s3c2416 ARM: dts: Add support Odroid XU4 board for exynos5422-odroidxu4 ARM: dts: Split audio configuration to separate exynos5422-odroidxu3-audio ARM: dts: Fix power off method for exynos5422-odroidxu3-common dt-bindings: Document grounded ACOKB pin on S2MPS11 ARM: dts: use pwm-fan device as a cooling device for exynos4412-odroidu3 ARM: dts: Add pwm-fan node for exynos4412-odroidu3 dt-bindings: Documentation entry to explain how to use PWM FAN as a cooling device ARM: dts: add suspend opp to exynos4412 ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/hwmon/pwm-fan.txt29
-rw-r--r--Documentation/devicetree/bindings/mfd/s2mps11.txt4
2 files changed, 31 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
index 610757ce4492..c6d533202d3e 100644
--- a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
+++ b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
@@ -3,10 +3,35 @@ Bindings for a fan connected to the PWM lines
Required properties:
- compatible : "pwm-fan"
- pwms : the PWM that is used to control the PWM fan
+- cooling-levels : PWM duty cycle values in a range from 0 to 255
+ which correspond to thermal cooling states
Example:
- pwm-fan {
+ fan0: pwm-fan {
compatible = "pwm-fan";
- status = "okay";
+ cooling-min-state = <0>;
+ cooling-max-state = <3>;
+ #cooling-cells = <2>;
pwms = <&pwm 0 10000 0>;
+ cooling-levels = <0 102 170 230>;
};
+
+ thermal-zones {
+ cpu_thermal: cpu-thermal {
+ thermal-sensors = <&tmu 0>;
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ trips {
+ cpu_alert1: cpu-alert1 {
+ temperature = <100000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+ };
+ cooling-maps {
+ map0 {
+ trip = <&cpu_alert1>;
+ cooling-device = <&fan0 0 1>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/mfd/s2mps11.txt b/Documentation/devicetree/bindings/mfd/s2mps11.txt
index 57a045016fca..90eaef393325 100644
--- a/Documentation/devicetree/bindings/mfd/s2mps11.txt
+++ b/Documentation/devicetree/bindings/mfd/s2mps11.txt
@@ -15,6 +15,10 @@ Optional properties:
- interrupt-parent: Specifies the phandle of the interrupt controller to which
the interrupts from s2mps11 are delivered to.
- interrupts: Interrupt specifiers for interrupt sources.
+- samsung,s2mps11-acokb-ground: Indicates that ACOKB pin of S2MPS11 PMIC is
+ connected to the ground so the PMIC must manually set PWRHOLD bit in CTRL1
+ register to turn off the power. Usually the ACOKB is pulled up to VBATT so
+ when PWRHOLD pin goes low, the rising ACOKB will trigger power off.
Optional nodes:
- clocks: s2mps11, s2mps13 and s5m8767 provide three(AP/CP/BT) buffered 32.768