arm64: dts: qcom: x1-asus-zenbook: support sound

Works:
* Both speakers
* Both MICs
* Headphones jack, L/R channels
* Headphones jack, MIC

Now working/untested:
* Sound over DisplayPort
* Sound over HDMI

Reviewed-by: Konrad Dybcio <[email protected]>
Signed-off-by: Aleksandrs Vinarskis <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>

Author: alexVinarskis

arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi

@@ -22,6 +22,32 @@
 		serial1 = &uart14;
 	};
 
+	wcd938x: audio-codec {
+		compatible = "qcom,wcd9385-codec";
+
+		pinctrl-0 = <&wcd_default>;
+		pinctrl-names = "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 191 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>;
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 
@@ -149,6 +175,88 @@
 		};
 	};
 
+	sound {
+		compatible = "qcom,x1e80100-sndcard";
+		model = "X1E80100-ASUS-Zenbook-A14";
+		audio-routing = "SpkrLeft IN", "WSA WSA_SPK1 OUT",
+				"SpkrRight IN", "WSA WSA_SPK2 OUT",
+				"IN1_HPHL", "HPHL_OUT",
+				"IN2_HPHR", "HPHR_OUT",
+				"AMIC2", "MIC BIAS2",
+				"VA DMIC0", "MIC BIAS1",
+				"VA DMIC1", "MIC BIAS1",
+				"VA DMIC0", "VA MIC BIAS1",
+				"VA DMIC1", "VA MIC BIAS1",
+				"TX SWR_INPUT1", "ADC2_OUTPUT";
+
+		va-dai-link {
+			link-name = "VA Capture";
+
+			codec {
+				sound-dai = <&lpass_vamacro 0>;
+			};
+
+			cpu {
+				sound-dai = <&q6apmbedai VA_CODEC_DMA_TX_0>;
+			};
+
+			platform {
+				sound-dai = <&q6apm>;
+			};
+		};
+
+		wcd-capture-dai-link {
+			link-name = "WCD Capture";
+
+			codec {
+				sound-dai = <&wcd938x 1>, <&swr2 1>,
+					    <&lpass_txmacro 0>;
+			};
+
+			cpu {
+				sound-dai = <&q6apmbedai TX_CODEC_DMA_TX_3>;
+			};
+
+			platform {
+				sound-dai = <&q6apm>;
+			};
+		};
+
+		wcd-playback-dai-link {
+			link-name = "WCD Playback";
+
+			codec {
+				sound-dai = <&wcd938x 0>, <&swr1 0>,
+					    <&lpass_rxmacro 0>;
+			};
+
+			cpu {
+				sound-dai = <&q6apmbedai RX_CODEC_DMA_RX_0>;
+			};
+
+			platform {
+				sound-dai = <&q6apm>;
+			};
+		};
+
+		wsa-dai-link {
+			link-name = "WSA Playback";
+
+			codec {
+				sound-dai = <&left_spkr>, <&right_spkr>,
+					    <&swr0 0>, <&lpass_wsamacro 0>;
+			};
+
+			cpu {
+				sound-dai = <&q6apmbedai WSA_CODEC_DMA_RX_0>;
+			};
+
+			platform {
+				sound-dai = <&q6apm>;
+			};
+		};
+	};
+
 	vreg_edp_3p3: regulator-edp-3p3 {
 		compatible = "regulator-fixed";
 
@@ -372,6 +480,13 @@
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 		};
 
+		vreg_l1b_1p8: ldo1 {
+			regulator-name = "vreg_l1b_1p8";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
 		vreg_l2b_3p0: ldo2 {
 			regulator-name = "vreg_l2b_3p0";
 			regulator-min-microvolt = <3072000>;
@@ -843,6 +958,24 @@
 	};
 };
 
+&lpass_tlmm {
+	spkr_01_sd_n_active: spkr-01-sd-n-active-state {
+		pins = "gpio12";
+		function = "gpio";
+		drive-strength = <16>;
+		bias-disable;
+		output-low;
+	};
+};
+
+&lpass_vamacro {
+	pinctrl-0 = <&dmic01_default>;
+	pinctrl-names = "default";
+
+	vdd-micb-supply = <&vreg_l1b_1p8>;
+	qcom,dmic-sample-rate = <4800000>;
+};
+
 &mdss {
 	status = "okay";
 };
@@ -1045,6 +1178,59 @@
 	/* Unknown device */
 };
 
+&swr0 {
+	status = "okay";
+
+	pinctrl-0 = <&wsa_swr_active>, <&spkr_01_sd_n_active>;
+	pinctrl-names = "default";
+
+	/* WSA8845, Left Speaker */
+	left_spkr: speaker@0,0 {
+		compatible = "sdw20217020400";
+		reg = <0 0>;
+		reset-gpios = <&lpass_tlmm 12 GPIO_ACTIVE_LOW>;
+		#sound-dai-cells = <0>;
+		sound-name-prefix = "SpkrLeft";
+		vdd-1p8-supply = <&vreg_l15b_1p8>;
+		vdd-io-supply = <&vreg_l12b_1p2>;
+		qcom,port-mapping = <1 2 3 7 10 13>;
+	};
+
+	/* WSA8845, Right Speaker */
+	right_spkr: speaker@0,1 {
+		compatible = "sdw20217020400";
+		reg = <0 1>;
+		reset-gpios = <&lpass_tlmm 12 GPIO_ACTIVE_LOW>;
+		#sound-dai-cells = <0>;
+		sound-name-prefix = "SpkrRight";
+		vdd-1p8-supply = <&vreg_l15b_1p8>;
+		vdd-io-supply = <&vreg_l12b_1p2>;
+		qcom,port-mapping = <4 5 6 7 11 13>;
+	};
+};
+
+&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 = <2 2 3 4>;
+	};
+};
+
 &tlmm {
 	gpio-reserved-ranges = <44 4>,  /* SPI11, TZ Protected */
 			       <90 1>;	/* Unknown, TZ Protected */
@@ -1175,6 +1361,14 @@
 		bias-disable;
 	};
 
+	wcd_default: wcd-reset-n-active-state {
+		pins = "gpio191";
+		function = "gpio";
+		drive-strength = <16>;
+		bias-disable;
+		output-low;
+	};
+
 	wcn_bt_en: wcn-bt-en-state {
 		pins = "gpio116";
 		function = "gpio";