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>

diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index 8632f35c6c26892fcbea54b71d41cbed29820458..54b3bc1dba1d48b218f995c514daeb2a7cce6913 100644 (file)
--- 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 {