Re: [PATCH v1 4/4] ARM: dts: add pwm node for r40.

From: Maxime Ripard
Date: Thu Jan 11 2018 - 07:48:26 EST


Hi,

On Thu, Jan 11, 2018 at 07:34:12PM +0800, hao_zhang wrote:
> This patch add pwm node for r40.
>
> Signed-off-by: hao_zhang <hao5781286@xxxxxxxxx>
> ---
> arch/arm/boot/dts/sun8i-r40.dtsi | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
> index 173dcc1..84c963c 100644
> --- a/arch/arm/boot/dts/sun8i-r40.dtsi
> +++ b/arch/arm/boot/dts/sun8i-r40.dtsi
> @@ -295,6 +295,11 @@
> bias-pull-up;
> };
>
> + pwm_pins: pwm-pins {
> + pins = "PB2", "PB3";
> + function = "pwm";
> + };
> +

Is it the only combination of pins that is usable?

If so, you can add the pinctrl-0 property directly in the pwm nodes.

Thanks!
Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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