ARM: dts: Add pwm-fan node for exynos4412-odroidu3

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@samsung.com>
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index 8632f35c6c26..54b3bc1dba1d 100644
--- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
@@ -32,6 +32,18 @@
                         linux,default-trigger = "heartbeat";
                 };
         };
+
+        pwm-fan {
+                compatible = "pwm-fan";
+                pwms = <&pwm 0 10000 0>;
+        };
+};
+
+&pwm {
+        pinctrl-0 = <&pwm0_out>;
+        pinctrl-names = "default";
+        samsung,pwm-outputs = <0>;
+        status = "okay";
 };
 
 &usb3503 {