[PATCH v2] ARM: dts: Add pwm-fan node to the Odroid-U3 board

[Kamil Debski]

Add pwm-fan node to the Odroid-U3 board file to enable PWM control of the
cooling fan. In addition, add the "pwm" label to the pwm@139D0000 node
in the exynos4412.dtsi.

Signed-off-by: Kamil Debski <k.debski@xxxxxxxxxxx>
---
Changes since v1:
- added pwm label to the pwm@139D0000 node in exynos4.dtsi
- use the pwm label in the exynos4412-odroidu3.dts
- change order or properties in the pwn-fan node, to be sorted
  in alphabetical order
---
 arch/arm/boot/dts/exynos4.dtsi            |    2 +-
 arch/arm/boot/dts/exynos4412-odroidu3.dts |   14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index e0278ec..2843b1a 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -582,7 +582,7 @@
 		status = "disabled";
 	};
 
-	pwm@139D0000 {
+	pwm: pwm@139D0000 {
 		compatible = "samsung,exynos4210-pwm";
 		reg = <0x139D0000 0x1000>;
 		interrupts = <0 37 0>, <0 38 0>, <0 39 0>, <0 40 0>, <0 41 0>;
diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index c8a64be..973349b 100644
--- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
@@ -31,8 +31,22 @@
 			linux,default-trigger = "heartbeat";
 		};
 	};
+
+	pwm-fan {
+		compatible = "pwm-fan";
+		pwms = <&pwm 0 10000 0>;
+		status = "okay";
+	};
 };
 
+&pwm {
+	pinctrl-0 = <&pwm0_out>;
+	pinctrl-names = "default";
+	samsung,pwm-outputs = <0>;
+	status = "okay";
+};
+
+
 &usb3503 {
 	clock-names = "refclk";
 	clocks = <&pmu_system_controller 0>;
-- 
1.7.9.5

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