linux-kernel - Re: [PATCH 1/2] arm64: dts: qcom: pm8937: Add LPG PWM driver

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Message-ID: <82fee126-4e03-4366-8dad-d8ea98081beb@oss.qualcomm.com>
Date: Wed, 12 Feb 2025 23:27:39 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Barnabás Czémán <barnabas.czeman@...nlining.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Daniil Titov <daniilt971@...il.com>
Subject: Re: [PATCH 1/2] arm64: dts: qcom: pm8937: Add LPG PWM driver

On 12.02.2025 11:21 PM, Barnabás Czémán wrote:
> From: Daniil Titov <daniilt971@...il.com>
> 
> Add PWM/LPG node to the PM8937 dtsi so devices
> which use this block can enable them.
> 
> Signed-off-by: Daniil Titov <daniilt971@...il.com>
> Signed-off-by: Barnabás Czémán <barnabas.czeman@...nlining.org>
> ---
>  arch/arm64/boot/dts/qcom/pm8937.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/pm8937.dtsi b/arch/arm64/boot/dts/qcom/pm8937.dtsi
> index 42b3575b36ff4d37df11ccb5ed68e965e3716300..d13f39d81386b9493e33411e7fa0fb69e94644f4 100644
> --- a/arch/arm64/boot/dts/qcom/pm8937.dtsi
> +++ b/arch/arm64/boot/dts/qcom/pm8937.dtsi
> @@ -143,6 +143,14 @@ pmic@1 {
>  		#address-cells = <1>;
>  		#size-cells = <0>;
>  
> +		pm8937_pwm: pwm {
> +			compatible = "qcom,pm8916-pwm";

Please add a new compatible with this one as fallback, i.e.

compatible = "qcom,pm8937-pwm", "qcom,pm8916-pwm";

and add it in dt-bindings

Konrad