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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