Re: [PATCH 3/3] arm64: dts: qcom: pm8350c: Add pwm support

From: Matthias Kaehlcke
Date: Tue Sep 07 2021 - 14:16:55 EST


On Mon, Sep 06, 2021 at 04:11:07PM +0530, satya priya wrote:
> Add pwm support for PM8350C pmic.
>
> Signed-off-by: satya priya <skakit@xxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/pm8350c.dtsi | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/pm8350c.dtsi b/arch/arm64/boot/dts/qcom/pm8350c.dtsi
> index e1b75ae..ecdae55 100644
> --- a/arch/arm64/boot/dts/qcom/pm8350c.dtsi
> +++ b/arch/arm64/boot/dts/qcom/pm8350c.dtsi
> @@ -29,6 +29,12 @@
> interrupt-controller;
> #interrupt-cells = <2>;
> };
> +
> + pm8350c_pwm4: pwm {

What does the '4' represent, an internal channel number? It should
probably be omitted if the PM8350 only has a single output PWM
port.

> + compatible = "qcom,pm8350c-pwm";
> + #pwm-cells = <2>;
> + status = "okay";

I don't think it should be enabled by default, there may be boards with
the PM8350C that don't use the PWM.