linux-kernel - [PATCH v3 3/3] arm64: dts: qcom: sc7280: add sound card support

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Message-ID: <1643887981-31011-4-git-send-email-quic_srivasam@quicinc.com>
Date:   Thu, 3 Feb 2022 17:03:01 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     <agross@...nel.org>, <bjorn.andersson@...aro.org>,
        <robh+dt@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <rohitkr@...eaurora.org>, <srinivas.kandagatla@...aro.org>,
        <dianders@...omium.org>, <swboyd@...omium.org>,
        <judyhsiao@...omium.org>
CC:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>,
        "Venkata Prasad Potturu" <quic_potturu@...cinc.com>
Subject: [PATCH v3 3/3] arm64: dts: qcom: sc7280: add sound card support

This patch adds sound card support for MTP using WCD938x headset playback,
capture, I2S Speaker Playback and DMICs via VA macro.

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Co-developed-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
Signed-off-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sc7280-crd.dts  |  8 +++
 arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 93 ++++++++++++++++++++++++++++++++
 2 files changed, 101 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-crd.dts b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
index e6fbfc2..30d51fd 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
@@ -76,6 +76,14 @@ ap_ts_pen_1v8: &i2c13 {
 	us-euro-gpios = <&tlmm 81 GPIO_ACTIVE_HIGH>;
 };
 
+&sound {
+	audio-routing =
+		"VA DMIC0", "MIC BIAS1",
+		"VA DMIC1", "MIC BIAS1",
+		"VA DMIC2", "MIC BIAS3",
+		"VA DMIC3", "MIC BIAS3";
+};
+
 &tlmm {
 	tp_int_odl: tp-int-odl {
 		pins = "gpio7";
diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
index a76b2d1..fb89b0d 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
@@ -52,6 +52,99 @@
 		pinctrl-0 = <&nvme_pwren>;
 	};
 
+	sound: sound-card {
+		compatible = "google,sc7280-herobrine";
+		model = "sc7280-wcd938x-max98360a-1mic";
+		status = "okay";
+		audio-routing =
+				"IN1_HPHL", "HPHL_OUT",
+				"IN2_HPHR", "HPHR_OUT",
+				"AMIC1", "MIC BIAS1",
+				"AMIC2", "MIC BIAS2",
+				"VA DMIC0", "MIC BIAS3",
+				"VA DMIC1", "MIC BIAS3",
+				"VA DMIC2", "MIC BIAS1",
+				"VA DMIC3", "MIC BIAS1",
+				"TX SWR_ADC0", "ADC1_OUTPUT",
+				"TX SWR_ADC1", "ADC2_OUTPUT",
+				"TX SWR_ADC2", "ADC3_OUTPUT",
+				"TX SWR_DMIC0", "DMIC1_OUTPUT",
+				"TX SWR_DMIC1", "DMIC2_OUTPUT",
+				"TX SWR_DMIC2", "DMIC3_OUTPUT",
+				"TX SWR_DMIC3", "DMIC4_OUTPUT",
+				"TX SWR_DMIC4", "DMIC5_OUTPUT",
+				"TX SWR_DMIC5", "DMIC6_OUTPUT",
+				"TX SWR_DMIC6", "DMIC7_OUTPUT",
+				"TX SWR_DMIC7", "DMIC8_OUTPUT";
+
+		qcom,msm-mbhc-hphl-swh = <1>;
+		qcom,msm-mbhc-gnd-swh = <1>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+		#sound-dai-cells = <0>;
+
+		dai-link@1 {
+			link-name = "Secondary MI2S Playback";
+			reg = <MI2S_SECONDARY>;
+			cpu {
+				sound-dai = <&lpass_cpu MI2S_SECONDARY>;
+			};
+
+			codec {
+				sound-dai = <&max98360a>;
+			};
+		};
+
+		dai-link@5 {
+			link-name = "DP Playback";
+			reg = <LPASS_DP_RX>;
+			cpu {
+				sound-dai = <&lpass_cpu LPASS_DP_RX>;
+			};
+
+			codec {
+				sound-dai = <&msm_dp>;
+			};
+		};
+
+		dai-link@6 {
+			link-name = "WCD Playback";
+			reg = <LPASS_CDC_DMA_RX0>;
+			cpu {
+				sound-dai = <&lpass_cpu LPASS_CDC_DMA_RX0>;
+			};
+
+			codec {
+				sound-dai = <&wcd938x 0>, <&swr0 0>, <&rxmacro 0>;
+			};
+		};
+
+		dai-link@19 {
+			link-name = "WCD Capture";
+			reg = <LPASS_CDC_DMA_TX3>;
+			cpu {
+				sound-dai = <&lpass_cpu LPASS_CDC_DMA_TX3>;
+			};
+
+			codec {
+				sound-dai = <&wcd938x 1>, <&swr1 0>, <&txmacro 0>;
+			};
+		};
+
+		dai-link@25 {
+			link-name = "DMIC Capture";
+			reg = <LPASS_CDC_DMA_VA_TX0>;
+			cpu {
+				sound-dai = <&lpass_cpu LPASS_CDC_DMA_VA_TX0>;
+			};
+
+			codec {
+				sound-dai = <&vamacro 0>;
+			};
+		};
+	};
+
 	wcd938x: codec {
 		compatible = "qcom,wcd9380-codec";
 		#sound-dai-cells = <1>;
-- 
2.7.4