linux-kernel - Re: [PATCH v2 3/3] arm64: dts: qcom: sc8280xp: Add soundcard support

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Message-ID: <Y3swkpNTE2EaNqDq@hovoldconsulting.com>
Date:   Mon, 21 Nov 2022 09:02:26 +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 v2 3/3] arm64: dts: qcom: sc8280xp: Add soundcard support

On Sat, Nov 19, 2022 at 04:44:25PM +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.

Subject prefix should include "x13s":

	arm64: dts: qcom: sc8280xp-x13s: ...

> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>  .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts    | 217 ++++++++++++++++++
>  1 file changed, 217 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..f1f93fc4fa2d 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts

> @@ -346,6 +378,163 @@ edp_bl_pwm: edp-bl-pwm-state {
>  	};
>  };
>  
> +&soc {
> +	wcd938x: codec {
> +		compatible = "qcom,wcd9380-codec";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&wcd_default>;
> +		reset-gpios = <&tlmm 106 GPIO_ACTIVE_LOW>;
> +		#sound-dai-cells = <1>;
> +
> +		vdd-buck-supply = <&vreg_s10b>;
> +		vdd-rxtx-supply = <&vreg_s10b>;
> +		vdd-io-supply = <&vreg_s10b>;
> +		vdd-mic-bias-supply = <&vreg_bob>;
> +		qcom,micbias1-microvolt = <1800000>;
> +		qcom,micbias2-microvolt = <1800000>;
> +		qcom,micbias3-microvolt = <1800000>;
> +		qcom,micbias4-microvolt = <1800000>;
> +		qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>;
> +		qcom,mbhc-headset-vthreshold-microvolt = <1700000>;
> +		qcom,mbhc-headphone-vthreshold-microvolt = <50000>;
> +		qcom,rx-device = <&wcd_rx>;
> +		qcom,tx-device = <&wcd_tx>;
> +	};
> +};

Please move all the sound nodes above the "/* PINCTRL */" marker and try
to maintain the sort order (by node name).

> +
> +&sound {

...

> +};
> +
> +&swr0 {
> +	left_spkr: wsa8830-left@0,1 {
> +		compatible = "sdw10217020200";
> +		reg = <0 1>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&spkr_1_sd_n_default>;
> +		powerdown-gpios = <&tlmm 178 GPIO_ACTIVE_LOW>;
> +		#thermal-sensor-cells = <0>;
> +		sound-name-prefix = "SpkrLeft";
> +		#sound-dai-cells = <0>;
> +		vdd-supply = <&vreg_s10b>;
> +	};
> +
> +	right_spkr: wsa8830-right@0,2{
> +		compatible = "sdw10217020200";
> +		reg = <0 2>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&spkr_2_sd_n_default>;
> +		powerdown-gpios = <&tlmm 179 GPIO_ACTIVE_LOW>;
> +		#thermal-sensor-cells = <0>;
> +		sound-name-prefix = "SpkrRight";
> +		#sound-dai-cells = <0>;
> +		vdd-supply = <&vreg_s10b>;
> +	};
> +};
> +
> +

Stray newline.

> +&swr1 {
> +	status = "okay";
> +
> +	wcd_rx: wcd9380-rx@0,4 {
> +		compatible = "sdw20217010d00";
> +		reg = <0 4>;
> +		qcom,rx-port-mapping = <1 2 3 4 5 6>;
> +

Stray newline.

> +	};
> +};
> +
> +&swr2 {
> +	status = "okay";
> +
> +	wcd_tx: wcd9380-tx@0,3 {
> +		compatible = "sdw20217010d00";
> +		reg = <0 3>;
> +		qcom,tx-port-mapping = <1 1 2 3>;
> +	};
> +};
> +
> +&vamacro {
> +	pinctrl-0 = <&dmic01_default>, <&dmic02_default>;
> +	pinctrl-names = "default";
> +	vdd-micb-supply = <&vreg_s10b>;
> +	qcom,dmic-sample-rate = <600000>;
> +};
> +
>  &tlmm {
>  	gpio-reserved-ranges = <70 2>, <74 6>, <83 4>, <125 2>, <128 2>, <154 7>;
>  
> @@ -369,6 +558,14 @@ reset {
>  		};
>  	};
>  
> +	wcd_default: wcd-default-state {
> +		reset-pins {
> +			pins = "gpio106";
> +			function = "gpio";
> +			bias-disable;
> +		};
> +	};
> +

Please try to keep the nodes sorted by name (i.e. move it last).

>  	qup0_i2c4_default: qup0-i2c4-default-state {
>  		pins = "gpio171", "gpio172";
>  		function = "qup4";
> @@ -383,6 +580,26 @@ qup2_i2c5_default: qup2-i2c5-default-state {
>  		drive-strength = <16>;
>  	};
>  
> +	spkr_1_sd_n_default: spkr-1-sd-n-default-state {
> +		perst-n-pins {
> +			pins = "gpio178";
> +			function = "gpio";
> +			drive-strength = <16>;
> +			bias-disable;
> +			output-high;
> +		};
> +	};
> +
> +	spkr_2_sd_n_default: spkr-2-sd-n-default-state {
> +		perst-n-pins {
> +			pins = "gpio179";
> +			function = "gpio";
> +			drive-strength = <16>;
> +			bias-disable;
> +			output-high;
> +		};
> +	};
> +
>  	tpad_default: tpad-default-state {
>  		int-n {
>  			pins = "gpio182";

Johan