[PATCH v3 3/3] arm64: dts: qcom: sm8450-hdk: add sound support

From: Krzysztof Kozlowski
Date: Wed Nov 16 2022 - 05:14:30 EST


From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>

Add sound support to SM8450 HDK board. Tested setup so far is only two
speakers (working) and head-phones (only one channel working).

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Co-developed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

---

Changes since v2:
1. Use ACTIVE_LOW for qcom,wcd9380-codec reset-gpios.
https://lore.kernel.org/all/20221116053817.2929810-11-dmitry.torokhov@xxxxxxxxx/

Changes since v1:
1. Sort.
2. Correct include - do not use deprecated one and drop q6asm.h (not
used).
---
arch/arm64/boot/dts/qcom/sm8450-hdk.dts | 160 ++++++++++++++++++++++++
1 file changed, 160 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
index 4d75f9db08c2..1e1393e732ca 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
@@ -6,6 +6,7 @@
/dts-v1/;

#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
#include "sm8450.dtsi"

/ {
@@ -406,6 +407,147 @@ &sdhc_2 {
status = "okay";
};

+&soc {
+ wcd938x: codec {
+ compatible = "qcom,wcd9380-codec";
+
+ 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>;
+
+ reset-gpios = <&tlmm 43 GPIO_ACTIVE_LOW>;
+ #sound-dai-cells = <1>;
+
+ vdd-buck-supply = <&vreg_s10b_1p8>;
+ vdd-rxtx-supply = <&vreg_s10b_1p8>;
+ vdd-io-supply = <&vreg_s10b_1p8>;
+ vdd-mic-bias-supply = <&vreg_bob>;
+ };
+};
+
+&sound {
+ compatible = "qcom,sm8450-sndcard";
+ model = "SM8450-HDK";
+ audio-routing = "SpkrLeft IN", "WSA_SPK1 OUT",
+ "SpkrRight IN", "WSA_SPK2 OUT",
+ "IN1_HPHL", "HPHL_OUT",
+ "IN2_HPHR", "HPHR_OUT",
+ "AMIC1", "MIC BIAS1",
+ "AMIC2", "MIC BIAS2",
+ "AMIC3", "MIC BIAS3",
+ "AMIC4", "MIC BIAS3",
+ "AMIC5", "MIC BIAS4";
+
+ wcd-playback-dai-link {
+ link-name = "WCD Playback";
+ cpu {
+ sound-dai = <&q6apmbedai RX_CODEC_DMA_RX_0>;
+ };
+
+ codec {
+ sound-dai = <&wcd938x 0>, <&swr1 0>, <&rxmacro 0>;
+ };
+
+ platform {
+ sound-dai = <&q6apm>;
+ };
+ };
+
+ wcd-playback-dai-link {
+ link-name = "WCD Playback";
+ cpu {
+ sound-dai = <&q6apmbedai RX_CODEC_DMA_RX_0>;
+ };
+
+ codec {
+ sound-dai = <&wcd938x 0>, <&swr1 0>, <&rxmacro 0>;
+ };
+
+ 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>;
+ };
+
+ platform {
+ sound-dai = <&q6apm>;
+ };
+ };
+
+ va-dai-link {
+ link-name = "VA Capture";
+ cpu {
+ sound-dai = <&q6apmbedai VA_CODEC_DMA_TX_0>;
+ };
+
+ platform {
+ sound-dai = <&q6apm>;
+ };
+ };
+};
+
+&swr0 {
+ right_spkr: speaker@0,1{
+ compatible = "sdw10217020200";
+ reg = <0 1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spkr_1_sd_n_active>;
+ powerdown-gpios = <&tlmm 1 GPIO_ACTIVE_LOW>;
+ #sound-dai-cells = <0>;
+ sound-name-prefix = "SpkrRight";
+ #thermal-sensor-cells = <0>;
+ vdd-supply = <&vreg_s10b_1p8>;
+ };
+
+ left_spkr: speaker@0,2{
+ compatible = "sdw10217020200";
+ reg = <0 2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spkr_2_sd_n_active>;
+ powerdown-gpios = <&tlmm 89 GPIO_ACTIVE_LOW>;
+ #sound-dai-cells = <0>;
+ sound-name-prefix = "SpkrLeft";
+ #thermal-sensor-cells = <0>;
+ vdd-supply = <&vreg_s10b_1p8>;
+ };
+};
+
+&swr1 {
+ status = "okay";
+
+ wcd_rx: codec@0,4 {
+ compatible = "sdw20217010d00";
+ reg = <0 4>;
+ qcom,rx-port-mapping = <1 2 3 4 5>;
+ };
+};
+
+&swr2 {
+ status = "okay";
+
+ wcd_tx: codec@0,3 {
+ compatible = "sdw20217010d00";
+ reg = <0 3>;
+ /* ports: adc1_2, adc3_4, dmic0_3_mbhc, dmic4_7 */
+ qcom,tx-port-mapping = <1 1 2 3>;
+ };
+};
+
&tlmm {
gpio-reserved-ranges = <28 4>, <36 4>;

@@ -461,3 +603,21 @@ &usb_1_qmpphy {
vdda-phy-supply = <&vreg_l6b_1p2>;
vdda-pll-supply = <&vreg_l1b_0p91>;
};
+
+&tlmm {
+ spkr_1_sd_n_active: spkr-1-sd-n-active-state {
+ pins = "gpio1";
+ function = "gpio";
+ drive-strength = <4>;
+ bias-disable;
+ output-low;
+ };
+
+ spkr_2_sd_n_active: spkr-2-sd-n-active-state {
+ pins = "gpio89";
+ function = "gpio";
+ drive-strength = <4>;
+ bias-disable;
+ output-low;
+ };
+};
--
2.34.1