[v1 2/3] arm64: dts: qcom: sc7280: Add sc7280-herobrine-audio-rt5682.dtsi

Judy Hsiao judyhsiao at chromium.org
Thu May 19 01:41:18 PDT 2022


Audio dtsi for sc7280 boards that using rt5682 headset codec:
1. Add dt nodes for sound card which use I2S playback and record
   through rt5682s and I2S playback through max98357a.
2. Enable lpass cpu node and add pin control and dai-links.

Signed-off-by: Judy Hsiao <judyhsiao at chromium.org>
---
 .../qcom/sc7280-herobrine-audio-rt5682.dtsi   | 121 ++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi

diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi
new file mode 100644
index 000000000000..9e449817f6fd
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ *
+ * This file defines the common audio settings for the child boards using rt5682 codec.
+ *
+ * Copyright 2022 Google LLC.
+ */
+
+/ {
+	/* BOARD-SPECIFIC TOP LEVEL NODES */
+	sound: sound {
+		compatible = "google,sc7280-herobrine";
+		model = "sc7280-rt5682-max98360a-1mic";
+
+		status = "okay";
+		audio-routing =
+			"Headphone Jack", "HPOL",
+			"Headphone Jack", "HPOR";
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+		#sound-dai-cells = <0>;
+
+		dai-link at 0 {
+			link-name = "MAX98360";
+			reg = <0>;
+
+			cpu {
+				sound-dai = <&lpass_cpu MI2S_SECONDARY>;
+			};
+
+			codec {
+				sound-dai = <&max98360a>;
+			};
+		};
+
+		dai-link at 1 {
+			link-name = "ALC5682";
+			reg = <1>;
+
+			cpu {
+				sound-dai = <&lpass_cpu MI2S_PRIMARY>;
+			};
+
+			codec {
+				sound-dai = <&alc5682 0 /* aif1 */>;
+			};
+		};
+	};
+};
+
+hp_i2c: &i2c2 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	alc5682: codec at 1a {
+		compatible = "realtek,rt5682s";
+		reg = <0x1a>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&hp_irq>;
+
+		#sound-dai-cells = <1>;
+
+		interrupt-parent = <&tlmm>;
+		interrupts = <101 IRQ_TYPE_EDGE_BOTH>;
+
+		AVDD-supply = <&pp1800_alc5682>;
+		MICVDD-supply = <&pp3300_codec>;
+
+		realtek,dmic1-data-pin = <1>;
+		realtek,dmic1-clk-pin = <2>;
+		realtek,jd-src = <1>;
+		realtek,dmic-clk-rate-hz = <2048000>;
+	};
+};
+
+&lpass_cpu {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&mi2s0_data0 &mi2s0_data1 &mi2s0_mclk &mi2s0_sclk &mi2s0_ws
+		     &mi2s1_data0 &mi2s1_sclk &mi2s1_ws>;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	dai-link at 0 {
+		reg = <MI2S_PRIMARY>;
+		qcom,playback-sd-lines = <1>;
+		qcom,capture-sd-lines = <0>;
+	};
+
+	dai-link at 1 {
+		reg = <MI2S_SECONDARY>;
+		qcom,playback-sd-lines = <0>;
+	};
+};
+
+&mi2s0_data0 {
+	drive-strength = <6>;
+	bias-disable;
+};
+
+&mi2s0_data1 {
+	drive-strength = <6>;
+	bias-disable;
+};
+
+&mi2s0_mclk {
+	drive-strength = <6>;
+	bias-disable;
+};
+
+&mi2s0_sclk {
+	drive-strength = <6>;
+	bias-disable;
+};
+
+&mi2s0_ws {
+	drive-strength = <6>;
+};
-- 
2.36.1.124.g0e6072fb45-goog




More information about the linux-arm-kernel mailing list