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

From: Krzysztof Kozlowski
Date: Wed Nov 16 2022 - 03:14:49 EST

On 15/11/2022 18:02, 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@xxxxxxxxxx>
> ---
> .../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 {
> + compatible = "regulator-fixed";
> + regulator-name = "VPH_VCC3R9";
> + regulator-min-microvolt = <3900000>;
> + regulator-max-microvolt = <3900000>;
> +
> + regulator-always-on;
> + regulator-boot-on;
> + };
> };
>
> &apps_rsc {
> @@ -67,6 +77,13 @@ pmc8280-1-rpmh-regulators {
>
> vdd-l3-l5-supply = <&vreg_s11b>;
>
> + vreg_s10b: smps10 {
> + regulator-name = "vreg_s10b";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> vreg_s11b: smps11 {
> regulator-name = "vreg_s11b";
> regulator-min-microvolt = <1272000>;
> @@ -74,6 +91,13 @@ vreg_s11b: smps11 {
> regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> };
>
> + vreg_s12b: smps12 {
> + regulator-name = "vreg_s12b";
> + regulator-min-microvolt = <984000>;
> + regulator-max-microvolt = <984000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> vreg_l3b: ldo3 {
> regulator-name = "vreg_l3b";
> regulator-min-microvolt = <1200000>;
> @@ -102,6 +126,7 @@ vreg_l6b: ldo6 {
> pmc8280c-rpmh-regulators {
> compatible = "qcom,pm8350c-rpmh-regulators";
> qcom,pmic-id = "c";
> + vdd-bob-supply = <&vph_pwr>;
>
> vreg_l1c: ldo1 {
> regulator-name = "vreg_l1c";
> @@ -123,6 +148,13 @@ vreg_l13c: ldo13 {
> regulator-max-microvolt = <3072000>;
> regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> };
> +
> + vreg_bob: bob {
> + regulator-name = "vreg_bob";
> + regulator-min-microvolt = <3008000>;
> + regulator-max-microvolt = <3960000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>;
> + };
> };
>
> pmc8280-2-rpmh-regulators {
> @@ -268,6 +300,80 @@ &remoteproc_nsp0 {
> status = "okay";
> };
>
> +&sound {
> + compatible = "qcom,sc8280xp-sndcard";
> + model = "SC8280XP-LENOVO-X13S";
> + audio-routing =
> + "SpkrLeft IN", "WSA_SPK1 OUT",
> + "SpkrRight IN", "WSA_SPK2 OUT",
> + "IN1_HPHL", "HPHL_OUT",
> + "IN2_HPHR", "HPHR_OUT",
> + "AMIC2", "MIC BIAS2",
> + "VA DMIC0", "MIC BIAS1",
> + "VA DMIC1", "MIC BIAS1",
> + "VA DMIC2", "MIC BIAS3",
> + "TX DMIC0", "MIC BIAS1",
> + "TX DMIC1", "MIC BIAS2",
> + "TX DMIC2", "MIC BIAS3",
> + "TX SWR_ADC1", "ADC2_OUTPUT";
> +
> + wcd-playback-dai-link {
> + link-name = "WCD Playback";
> + cpu {
> + sound-dai = <&q6apmbedai RX_CODEC_DMA_RX_0>;

Drop double-space

> + };

Blank line

> + codec {
> + sound-dai = <&wcd938x 0>, <&swr1 0>, <&rxmacro 0>;
> + };

Blank line

> + platform {
> + sound-dai = <&q6apm>;
> + };
> + };

Wrong indentation.

> +
> + wcd-capture-dai-link {
> + link-name = "WCD Capture";
> + cpu {
> + sound-dai = <&q6apmbedai TX_CODEC_DMA_TX_3>;

Drop double-space

> + };
> +
> + codec {
> + sound-dai = <&wcd938x 1>, <&swr2 0>, <&txmacro 0>;
> + };
Blank line
> + platform {
> + sound-dai = <&q6apm>;
> + };
> + };
> +
> + wsa-dai-link {
> + link-name = "WSA Playback";
> + cpu {
> + sound-dai = <&q6apmbedai WSA_CODEC_DMA_RX_0>;
> + };
> +
> + codec {
> + sound-dai = <&left_spkr>, <&right_spkr>, <&swr0 0>, <&wsamacro 0>;
> + };

Blank line
> + platform {
> + sound-dai = <&q6apm>;
> + };
> + };
> +
> + va-dai-link {
> + link-name = "VA Capture";
> + cpu {
> + sound-dai = <&q6apmbedai TX_CODEC_DMA_TX_3>;
> + };
> +
> + platform {
> + sound-dai = <&q6apm>;
> + };
> +
> + codec {
> + sound-dai = <&vamacro 0>;
> + };
> + };
> +};
> +
> &usb_0 {
> status = "okay";
> };
> @@ -346,9 +452,96 @@ edp_bl_pwm: edp-bl-pwm-state {
> };
> };
>
> +&soc {
> + wcd938x: codec {
> + compatible = "qcom,wcd9380-codec";
> + #sound-dai-cells = <1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&wcd_default>;
> + reset-gpios = <&tlmm 106 0>;

Use GPIO flags. This also has to be changed to ACTIVE LOW actually:
https://lore.kernel.org/all/20221116053817.2929810-11-dmitry.torokhov@xxxxxxxxx/

> +
> + 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>;
> + };
> +};
> +
> +&swr0 {
> + left_spkr: wsa8830-left@0,1 {
> + compatible = "sdw10217020200";
> + pinctrl-names = "default";
> + pinctrl-0 = <&spkr_1_sd_n_active>;
> + powerdown-gpios = <&tlmm 178 GPIO_ACTIVE_HIGH>;

ACTIVE_LOW

> + reg = <0 1>;

reg is always second property

> + #thermal-sensor-cells = <0>;
> + sound-name-prefix = "SpkrLeft";
> + #sound-dai-cells = <0>;
> + vdd-supply = <&vreg_s10b>;
> + };
> +
> + right_spkr: wsa8830-right@0,2{
> + pinctrl-names = "default";
> + pinctrl-0 = <&spkr_2_sd_n_active>;
> + powerdown-gpios = <&tlmm 179 GPIO_ACTIVE_HIGH>;

ACTIVE_LOW

> + compatible = "sdw10217020200";
> + reg = <0 2>;
> + #thermal-sensor-cells = <0>;
> + sound-name-prefix = "SpkrRight";
> + #sound-dai-cells = <0>;
> + vdd-supply = <&vreg_s10b>;
> + };
> +};
> +
> +
> +&swr1 {
> + status = "okay";
> +
> + wcd_rx: wcd9380-rx@0,4 {
> + compatible = "sdw20217010d00";
> + reg = <0 4>;
> + qcom,rx-port-mapping = <1 2 3 4 5 6>;

Does not look like you tested the DTS against bindings. Please run `make
dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
for instructions).

> +
> + };
> +};
> +
> +&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_active>, <&dmic02_active>;
> + 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>;
>
> + wcd_default: wcd-default-state {
> + reset {

Does not look like you tested the DTS against bindings. Please run `make
dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
for instructions).

> + pins = "gpio106";
> + function = "gpio";
> + bias-disable;
> + };
> + };
> +
> kybd_default: kybd-default-state {
> disable {
> pins = "gpio102";
> @@ -383,6 +576,26 @@ qup2_i2c5_default: qup2-i2c5-default-state {
> drive-strength = <16>;
> };
>
> + spkr_1_sd_n_active: spkr_1_sd_n_active {

No underscores, missing state suffix.


Best regards,
Krzysztof