[PATCH v4 4/8] ARM: dts: Add pwm-fan node to the Odroid-U3 board

[Lukasz Majewski]

From: Kamil Debski <k.debski@xxxxxxxxxxx>

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>
[Rebased on the newest mainline by l.majewski@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 | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index f18d746..75266e3 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..60bd1e4 100644
--- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
@@ -31,6 +31,19 @@
 			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 {
-- 
2.0.0.rc2

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