linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: sc8280xp: Add soundcard support

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Message-ID: <Y3TE4YWPZ2XrO+Ru@hovoldconsulting.com>
Date:   Wed, 16 Nov 2022 12:09:21 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     agross@...nel.org, andersson@...nel.org,
        konrad.dybcio@...ainline.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: sc8280xp: Add soundcard support

On Tue, Nov 15, 2022 at 05:02:42PM +0000, Srinivas Kandagatla wrote:
> Add support for SoundCard on X13s. This patch adds support for Headset
> Playback, record and 2 DMICs on the Panel along with the regulators
> required for powering up the LPASS codecs.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>  .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts    | 213 ++++++++++++++++++
>  1 file changed, 213 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> index b2b744bb8a53..99c3021e8149 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> @@ -58,6 +58,16 @@ vreg_misc_3p3: regulator-misc-3p3 {
>  		regulator-boot-on;
>  		regulator-always-on;
>  	};
> +
> +	vph_pwr: vph-pwr-regulator {

Use "regulator-" as a name prefix, and add "vreg_" as label prefix for
consistency:

	vreg_vph_pwr: regulator-vph-pwr {

> +		compatible = "regulator-fixed";
> +		regulator-name = "VPH_VCC3R9";
> +		regulator-min-microvolt = <3900000>;
> +		regulator-max-microvolt = <3900000>;
> +
> +		regulator-always-on;
> +		regulator-boot-on;
> +	};
>  };

Johan