Thread (26 messages) 26 messages, 4 authors, 15d ago

[PATCH 11/11] arm64: dts: qcom: sdm670-google: configure analog and digital codecs

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From: Richard Acayan <hidden>
Date: 2026-09-22 01:58:28
Also in: linux-arm-msm, linux-remoteproc
Subsystem: arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers: Bjorn Andersson, Konrad Dybcio, Linus Torvalds

Revision v1 of 2 in this series.

Revisions (2)
  1. v1 current
  2. v2 [diff vs current]
The SDM660 digital and PM660L analog audio codecs control the headphone
jack on the Pixel 3a. Configure them for sound playback.

Signed-off-by: Richard Acayan <redacted>
---
 .../boot/dts/qcom/sdm670-google-common.dtsi   | 87 ++++++++++++++++++-
 1 file changed, 86 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi b/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi
index 3abde2cbf746..48aea5d72092 100644
--- a/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi
@@ -53,6 +53,14 @@ framebuffer: framebuffer@9c000000 {
 		};
 	};
 
+	clocks {
+		int_cdc_bclk: int-cdc-bclk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <1536000>;
+		};
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		autorepeat;
@@ -133,7 +141,14 @@ sound {
 		model = "Google Pixel 3a";
 
 		pinctrl-names = "default";
-		pinctrl-0 = <&cdc_pdm_default>;
+		pinctrl-0 = <&cdc_pdm_default>,
+			    <&cdc_dmic_default>;
+
+		audio-routing = "Analog PDM_RX1", "Digital PDM_RX1",
+				"Analog PDM_RX2", "Digital PDM_RX2",
+				"Analog PDM_RX3", "Digital PDM_RX3",
+				"Digital LPASS_PDM_TX", "Analog PDM_TX",
+				"Analog AMIC2", "Analog MIC BIAS External2";
 
 		mm1-dai-link {
 			link-name = "MultiMedia1";
@@ -166,6 +181,40 @@ cpu {
 				sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA4>;
 			};
 		};
+
+		lpi-mi2s-rx-dai-link {
+			link-name = "LPI MI2S Playback";
+
+			cpu {
+				sound-dai = <&q6afedai LPI_MI2S_RX_0>;
+			};
+
+			platform {
+				sound-dai = <&q6routing>;
+			};
+
+			codec {
+				sound-dai = <&pm660l_codec 0>,
+					    <&lpass_codec 0>;
+			};
+		};
+
+		lpi-mi2s-tx-dai-link {
+			link-name = "LPI MI2S Capture";
+
+			cpu {
+				sound-dai = <&q6afedai LPI_MI2S_TX_3>;
+			};
+
+			platform {
+				sound-dai = <&q6routing>;
+			};
+
+			codec {
+				sound-dai = <&pm660l_codec 1>,
+					    <&lpass_codec 1>;
+			};
+		};
 	};
 
 	/*
@@ -568,6 +617,17 @@ rmi4_f12: rmi4-f12@12 {
 	};
 };
 
+&lpass_codec {
+	clocks = <&int_cdc_bclk>,
+		 <&q6afecc LPASS_CLK_ID_INT_MCLK_0 LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+	clock-names = "ahbix-clk", "mclk";
+
+	assigned-clocks = <&q6afecc LPASS_CLK_ID_INT_MCLK_0 LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+	assigned-clock-rates = <9600000>;
+
+	status = "okay";
+};
+
 &lpi_tlmm {
 	/* sensor gpios are protected */
 	gpio-reserved-ranges = <0 8>, <12 6>;
@@ -631,6 +691,19 @@ &pm660_rradc {
 	status = "okay";
 };
 
+&pm660l_codec {
+	vdd-cdc-io-supply = <&vreg_l10a_1p8>;
+	vdd-cdc-tx-rx-cx-supply = <&vreg_l1b_0p925>;
+	vdd-micbias-supply = <&vreg_l7b_3p125>;
+
+	qcom,mbhc-vthreshold-low = <75 150 237 437 437>;
+	qcom,mbhc-vthreshold-high = <75 150 237 437 437>;
+
+	qcom,micbias-lvl = <2500>;
+
+	status = "okay";
+};
+
 &pm660l_flash {
 	status = "okay";
 
@@ -673,6 +746,18 @@ &qupv3_id_1 {
 	status = "okay";
 };
 
+&q6afedai {
+	dai@89 {
+		reg = <LPI_MI2S_RX_0>;
+		qcom,sd-lines = <0 1>;
+	};
+
+	dai@90 {
+		reg = <LPI_MI2S_TX_3>;
+		qcom,sd-lines = <0 1>;
+	};
+};
+
 &q6asmdai {
 	dai@0 {
 		reg = <MSM_FRONTEND_DAI_MULTIMEDIA1>;
-- 
2.55.0
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