linux-kernel - [PATCH 2/2] arm64: dts: qcom: sm8550-mtp: add WSA8845 speakers

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Date:   Thu,  8 Jun 2023 11:43:23 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 2/2] arm64: dts: qcom: sm8550-mtp: add WSA8845 speakers

Add Qualcomm WSA8845 Soundwire smart speaker amplifiers.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Not tested, but based on schematics and downstream DTS, should be the
same as on QRD8550.
---
 arch/arm64/boot/dts/qcom/sm8550-mtp.dts | 48 +++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
index fe6fe97d734e..d1bee3106397 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
@@ -419,6 +419,24 @@ vreg_l3g_1p2: ldo3 {
 	};
 };
 
+&lpass_tlmm {
+	spkr_1_sd_n_active: spkr-1-sd-n-active-state {
+		pins = "gpio17";
+		function = "gpio";
+		drive-strength = <16>;
+		bias-disable;
+		output-low;
+	};
+
+	spkr_2_sd_n_active: spkr-2-sd-n-active-state {
+		pins = "gpio18";
+		function = "gpio";
+		drive-strength = <16>;
+		bias-disable;
+		output-low;
+	};
+};
+
 &mdss {
 	status = "okay";
 };
@@ -553,6 +571,36 @@ &sleep_clk {
 	clock-frequency = <32000>;
 };
 
+&swr0 {
+	status = "okay";
+
+	/* WSA8845 */
+	left_spkr: speaker@0,0 {
+		compatible = "sdw20217020400";
+		reg = <0 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&spkr_1_sd_n_active>;
+		powerdown-gpios = <&lpass_tlmm 17 GPIO_ACTIVE_LOW>;
+		#sound-dai-cells = <0>;
+		sound-name-prefix = "SpkrLeft";
+		vdd-1p8-supply = <&vreg_l15b_1p8>;
+		vdd-io-supply = <&vreg_l3g_1p2>;
+	};
+
+	/* WSA8845 */
+	right_spkr: speaker@0,1 {
+		compatible = "sdw20217020400";
+		reg = <0 1>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&spkr_2_sd_n_active>;
+		powerdown-gpios = <&lpass_tlmm 18 GPIO_ACTIVE_LOW>;
+		#sound-dai-cells = <0>;
+		sound-name-prefix = "SpkrRight";
+		vdd-1p8-supply = <&vreg_l15b_1p8>;
+		vdd-io-supply = <&vreg_l3g_1p2>;
+	};
+};
+
 &swr1 {
 	status = "okay";
 
-- 
2.34.1