linux-kernel - [PATCH v1 03/10] arm64: dts: qcom: qrb4210-rb2: add wcd937x codec support

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Message-ID: <20241101053154.497550-4-alexey.klimov@linaro.org>
Date: Fri,  1 Nov 2024 05:31:47 +0000
From: Alexey Klimov <alexey.klimov@...aro.org>
To: broonie@...nel.org,
	konradybcio@...nel.org,
	konrad.dybcio@....qualcomm.com,
	andersson@...nel.org,
	srinivas.kandagatla@...aro.org
Cc: tiwai@...e.com,
	lgirdwood@...il.com,
	perex@...ex.cz,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	dmitry.baryshkov@...aro.org,
	linux-sound@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 03/10] arm64: dts: qcom: qrb4210-rb2: add wcd937x codec support

wcd937x codec contains soundwire RX and TX slave devices
and can convert digital audio to analog audio and vice versa.
The codec node also requires description of reset pin/gpio.

Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Signed-off-by: Alexey Klimov <alexey.klimov@...aro.org>
---
 arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 55 ++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
index 283a67d8e71d..fc71f5930688 100644
--- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
+++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
@@ -5,6 +5,7 @@
 
 /dts-v1/;
 
+#include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/sound/qcom,q6afe.h>
 #include <dt-bindings/sound/qcom,q6asm.h>
@@ -154,6 +155,25 @@ codec {
 		};
 	};
 
+	wcd937x: codec {
+		compatible = "qcom,wcd9370-codec";
+		pinctrl-0 = <&wcd_reset_n>;
+		pinctrl-names = "default";
+		reset-gpios = <&tlmm 82 GPIO_ACTIVE_LOW>;
+		vdd-buck-supply = <&vreg_l9a_1p8>;
+		vdd-rxtx-supply = <&vreg_l9a_1p8>;
+		vdd-px-supply = <&vreg_l9a_1p8>;
+		vdd-mic-bias-supply = <&vdc_vbat_som>;
+		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,rx-device = <&wcd937x_rx>;
+		qcom,tx-device = <&wcd937x_tx>;
+		#sound-dai-cells = <1>;
+	};
+
 	vreg_hdmi_out_1p2: regulator-hdmi-out-1p2 {
 		compatible = "regulator-fixed";
 		regulator-name = "VREG_HDMI_OUT_1P2";
@@ -607,6 +627,26 @@ &sleep_clk {
 	clock-frequency = <32000>;
 };
 
+&swr1 {
+	status = "okay";
+
+	wcd937x_rx: codec@0,4 {
+		compatible = "sdw20217010a00";
+		reg = <0 4>;
+		qcom,rx-port-mapping = <1 2 3 4 5>;
+	};
+};
+
+&swr0 {
+	status = "okay";
+
+	wcd937x_tx: codec@0,3 {
+		compatible = "sdw20217010a00";
+		reg = <0 3>;
+		qcom,tx-port-mapping = <1 1 2 3>;
+	};
+};
+
 &tlmm {
 	gpio-reserved-ranges = <43 2>, <49 1>, <54 1>,
 			       <56 3>, <61 2>, <64 1>,
@@ -691,6 +731,21 @@ sdc2_card_det_n: sd-card-det-n-state {
 		drive-strength = <2>;
 		bias-pull-up;
 	};
+
+	wcd_reset_n: wcd-reset-n-state {
+		pins = "gpio82";
+		function = "gpio";
+		drive-strength = <16>;
+		output-high;
+	};
+
+	wcd_reset_n_sleep: wcd-reset-n-sleep-state {
+		pins = "gpio82";
+		function = "gpio";
+		drive-strength = <16>;
+		bias-disable;
+		output-low;
+	};
 };
 
 &uart3 {
-- 
2.45.2