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

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Date:	Mon, 03 Nov 2014 18:16:12 +0100
From:	Andreas Färber <afaerber@...e.de>
To:	Kamil Debski <k.debski@...sung.com>
CC:	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	kgene.kim@...sung.com
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 <k.debski@...sung.com>
> ---
>  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@...D0000 {
> +		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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