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From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Abel Vesa <abel.vesa@linaro.org>
Subject: [PATCH 3/4] arm64: dts: qcom: x1e80100-crd: add WCD9385 Audio Codec
Date:   Thu, 14 Dec 2023 14:10:15 +0100
Message-Id: <20231214131016.30502-4-krzysztof.kozlowski@linaro.org>
In-Reply-To: <20231214131016.30502-1-krzysztof.kozlowski@linaro.org>
References: <20231214131016.30502-1-krzysztof.kozlowski@linaro.org>
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Add Qualcomm Aqstic WCD9385 audio codec on two Soundwire interfaces: RX
and TX.

Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 arch/arm64/boot/dts/qcom/x1e80100-crd.dts | 56 +++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
index 4f7f83d49847..aa5c4199bd2c 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
@@ -18,6 +18,32 @@ aliases {
 		serial0 = &uart21;
 	};
 
+	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 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>;
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
@@ -607,6 +633,28 @@ &remoteproc_cdsp {
 	status = "okay";
 };
 
+&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 = <34 2>, /* Unused */
 			       <44 4>, /* SPI (TPM) */
@@ -649,6 +697,14 @@ reset-n-pins {
 			drive-strength = <16>;
 		};
 	};
+
+	wcd_default: wcd-reset-n-active-state {
+		pins = "gpio191";
+		function = "gpio";
+		drive-strength = <16>;
+		bias-disable;
+		output-low;
+	};
 };
 
 &uart21 {
-- 
2.34.1