arm64: dts: qcom: sm8550-qrd: add WCD9385 audio-codec

Add Qualcomm Aqstic WCD9385 audio codec on two Soundwire interfaces: RX
and TX.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230512160452.206585-1-krzysztof.kozlowski@linaro.org

diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
index 82cda2f..88b7d3e 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
@@ -23,6 +23,32 @@
                serial0 = &uart7;
        };
 
+       wcd938x: audio-codec {
+               compatible = "qcom,wcd9385-codec";
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&wcd_default>;
+
+               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 108 GPIO_ACTIVE_LOW>;
+
+               vdd-buck-supply = <&vreg_l15b_1p8>;
+               vdd-rxtx-supply = <&vreg_l15b_1p8>;
+               vdd-io-supply = <&vreg_l15b_1p8>;
+               vdd-mic-bias-supply = <&vreg_bob1>;
+
+               #sound-dai-cells = <1>;
+       };
+
        chosen {
                stdout-path = "serial0:115200n8";
        };
@@ -456,8 +482,38 @@
        clock-frequency = <32000>;
 };
 
+&swr1 {
+       status = "okay";
+
+       /* WCD9385 RX */
+       wcd_rx: codec@0,4 {
+               compatible = "sdw20217010d00";
+               reg = <0 4>;
+               qcom,rx-port-mapping = <1 2 3 4 5>;
+       };
+};
+
+&swr2 {
+       status = "okay";
+
+       /* WCD9385 TX */
+       wcd_tx: codec@0,3 {
+               compatible = "sdw20217010d00";
+               reg = <0 3>;
+               qcom,tx-port-mapping = <1 1 2 3>;
+       };
+};
+
 &tlmm {
        gpio-reserved-ranges = <32 8>;
+
+       wcd_default: wcd-reset-n-active-state {
+               pins = "gpio108";
+               function = "gpio";
+               drive-strength = <16>;
+               bias-disable;
+               output-low;
+       };
 };
 
 &uart7 {