linux-kernel - [PATCH v1 5/8] arm64: dts: qcom: qcs6490-rb3gen2: Add sound card

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Message-Id: <20250317054151.6095-6-quic_pkumpatl@quicinc.com>
Date: Mon, 17 Mar 2025 11:11:48 +0530
From: Prasad Kumpatla <quic_pkumpatl@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: cros-qcom-dts-watchers@...omium.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        quic_pkumpatl@...cinc.com, kernel@....qualcomm.com,
        Mohammad Rafi Shaik <quic_mohs@...cinc.com>
Subject: [PATCH v1 5/8] arm64: dts: qcom: qcs6490-rb3gen2: Add sound card

From: Mohammad Rafi Shaik <quic_mohs@...cinc.com>

Add the sound card node with tested playback over WSA8835 speakers
and msm mics.

Signed-off-by: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
Co-developed-by: Prasad Kumpatla <quic_pkumpatl@...cinc.com>
Signed-off-by: Prasad Kumpatla <quic_pkumpatl@...cinc.com>
---
 arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 80 ++++++++++++++++++++
 1 file changed, 80 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
index a1a3df77ad57..5d4d3df6eff9 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
@@ -219,6 +219,56 @@ vph_pwr: vph-pwr-regulator {
 		regulator-min-microvolt = <3700000>;
 		regulator-max-microvolt = <3700000>;
 	};
+
+	sound: sound {
+		compatible = "qcom,qcs6490-rb3gen2-sndcard";
+		model = "qcs6490-rb3gen2-snd-card";
+
+		audio-routing =
+			"SpkrLeft IN", "WSA_SPK1 OUT",
+			"SpkrRight IN", "WSA_SPK2 OUT",
+			"VA DMIC0", "vdd-micb",
+			"VA DMIC1", "vdd-micb",
+			"VA DMIC2", "vdd-micb",
+			"VA DMIC3", "vdd-micb";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+		wsa-dai-link {
+			link-name = "CODEC_DMA-LPAIF_WSA-RX-0";
+
+			cpu {
+				sound-dai = <&q6apmbedai WSA_CODEC_DMA_RX_0>;
+			};
+
+			codec {
+				sound-dai = <&left_spkr>, <&right_spkr>, <&swr2 0>,
+					    <&lpass_wsa_macro 0>;
+			};
+
+			platform {
+				sound-dai = <&q6apm>;
+			};
+		};
+
+		va-dai-link {
+			link-name = "CODEC_DMA-LPAIF_VA-TX-0";
+
+			cpu {
+				sound-dai = <&q6apmbedai VA_CODEC_DMA_TX_0>;
+			};
+
+			codec {
+				sound-dai = <&lpass_va_macro 0>;
+			};
+
+			platform {
+				sound-dai = <&q6apm>;
+			};
+		};
+	};
+
 };
 
 &apps_rsc {
@@ -697,6 +747,36 @@ &lpass_wsa_macro {
 	status = "okay";
 };
 
+&lpass_dmic01_clk {
+	drive-strength = <8>;
+	bias-disable;
+};
+
+&lpass_dmic01_data {
+	bias-pull-down;
+};
+
+&lpass_dmic23_clk {
+	drive-strength = <8>;
+	bias-disable;
+};
+
+&lpass_dmic23_data {
+	bias-pull-down;
+};
+
+&lpass_wsa_swr_clk {
+	drive-strength = <2>;
+	slew-rate = <1>;
+	bias-disable;
+};
+
+&lpass_wsa_swr_data {
+	drive-strength = <2>;
+	slew-rate = <1>;
+	bias-bus-hold;
+};
+
 &mdss {
 	status = "okay";
 };
-- 
2.34.1