2014-11-03 14:43:46

by Kamil Debski

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

Add pwm-fan node to the Odroid-U3 board file to enable PWM control of the
cooling fan.

Signed-off-by: Kamil Debski <[email protected]>
---
arch/arm/boot/dts/exynos4412-odroidu3.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index c8a64be..764bda4 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: pwm@139D0000 {
+ pinctrl-0 = <&pwm0_out>;
+ pinctrl-names = "default";
+ samsung,pwm-outputs = <0>;
+ status = "okay";
+ };
+
+ pwm-fan {
+ compatible = "pwm-fan";
+ status = "okay";
+ pwms = <&pwm 0 10000 0>;
+ };
};

&usb3503 {
--
1.7.9.5

2014-11-03 17:16:17

by Andreas Färber

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

Hi,

Am 03.11.2014 um 15:43 schrieb Kamil Debski:
> Add pwm-fan node to the Odroid-U3 board file to enable PWM control of the
> cooling fan.
>
> Signed-off-by: Kamil Debski <[email protected]>
> ---
> arch/arm/boot/dts/exynos4412-odroidu3.dts | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
> index c8a64be..764bda4 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: pwm@139D0000 {
> + pinctrl-0 = <&pwm0_out>;
> + pinctrl-names = "default";
> + samsung,pwm-outputs = <0>;
> + status = "okay";
> + };

Please add the pwm label in the .dtsi if necessary and then just do &pwm
{...}; before &usb3503 below.

> +
> + pwm-fan {
> + compatible = "pwm-fan";
> + status = "okay";
> + pwms = <&pwm 0 10000 0>;
> + };
> };
>
> &usb3503 {

Regards,
Andreas

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