From: Alexey Charkov <alchark@gmail.com>
Date: Mon, 29 Dec 2025 10:12:04 +0000 (+0400)
Subject: arm64: dts: rockchip: Enable analog sound on RK3576 EVB1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8872b9dd9208c493f1f3811d42997fb968de064;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: rockchip: Enable analog sound on RK3576 EVB1

Rockchip RK3576 EVB1 board uses the typical configuration with an ES8388
analog codec driven from built-in SAI I2S.

Add device tree nodes for it.

Signed-off-by: Alexey Charkov <alchark@gmail.com>
Link: https://patch.msgid.link/20251229-rk3576-sound-v1-7-2f59ef0d19b1@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts
index deab20ff4d97c..0789733c2073f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts
@@ -246,6 +246,63 @@
 		regulator-max-microvolt = <1800000>;
 		vin-supply = <&vcc_1v8_s3>;
 	};
+
+	sound {
+		compatible = "simple-audio-card";
+		pinctrl-names = "default";
+		pinctrl-0 = <&hp_det>;
+		simple-audio-card,name = "On-board Analog ES8388";
+		simple-audio-card,aux-devs = <&hp_power>, <&spk_power>;
+		simple-audio-card,bitclock-master = <&masterdai>;
+		simple-audio-card,format = "i2s";
+		simple-audio-card,frame-master = <&masterdai>;
+		simple-audio-card,hp-det-gpios = <&gpio0 RK_PD3 GPIO_ACTIVE_LOW>;
+		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,routing =
+			"Headphone Power INL", "LOUT1",
+			"Headphone Power INR", "ROUT1",
+			"Speaker Power INL", "LOUT2",
+			"Speaker Power INR", "ROUT2",
+			"Headphones", "Headphone Power OUTL",
+			"Headphones", "Headphone Power OUTR",
+			"Speaker", "Speaker Power OUTL",
+			"Speaker", "Speaker Power OUTR",
+			"LINPUT1", "Main Mic",
+			"LINPUT2", "Main Mic",
+			"RINPUT1", "Headset Mic",
+			"RINPUT2", "Headset Mic";
+		simple-audio-card,widgets =
+			"Microphone", "Main Mic",
+			"Microphone", "Headset Mic",
+			"Headphone", "Headphones",
+			"Speaker", "Speaker";
+
+		simple-audio-card,cpu {
+			sound-dai = <&sai1>;
+		};
+
+		masterdai: simple-audio-card,codec {
+			sound-dai = <&es8388>;
+			system-clock-frequency = <12288000>;
+		};
+	};
+
+	hp_power: headphone-amplifier {
+		compatible = "simple-audio-amplifier";
+		enable-gpios = <&gpio3 RK_PD6 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&hp_ctl>;
+		sound-name-prefix = "Headphone Power";
+	};
+
+	spk_power: speaker-amplifier {
+		compatible = "simple-audio-amplifier";
+		enable-gpios = <&gpio2 RK_PB1 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&spk_ctl>;
+		sound-name-prefix = "Speaker Power";
+		VCC-supply = <&vcc5v0_device>;
+	};
 };
 
 &cpu_l0 {
@@ -712,6 +769,25 @@
 	};
 };
 
+&i2c3 {
+	status = "okay";
+
+	es8388: audio-codec@10 {
+		compatible = "everest,es8388", "everest,es8328";
+		reg = <0x10>;
+		AVDD-supply = <&vcca_3v3_s0>;
+		DVDD-supply = <&vcc_1v8_s0>;
+		HPVDD-supply = <&vcca_3v3_s0>;
+		PVDD-supply = <&vcc_1v8_s0>;
+		assigned-clocks = <&cru CLK_SAI1_MCLKOUT_TO_IO>;
+		assigned-clock-rates = <12288000>;
+		clocks = <&cru CLK_SAI1_MCLKOUT_TO_IO>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&sai1m0_mclk>;
+		#sound-dai-cells = <0>;
+	};
+};
+
 &mdio0 {
 	rgmii_phy0: ethernet-phy@1 {
 		compatible = "ethernet-phy-id001c.c916";
@@ -778,6 +854,20 @@
 };
 
 &pinctrl {
+	audio {
+		hp_det: hp-det {
+			rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+
+		hp_ctl: hp-ctl {
+			rockchip,pins = <3 RK_PD6 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+
+		spk_ctl: spk-ctl {
+			rockchip,pins = <2 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	bluetooth {
 		bt_reg_on: bt-reg-on {
 			rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -839,6 +929,15 @@
 	};
 };
 
+&sai1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&sai1m0_lrck
+		     &sai1m0_sclk
+		     &sai1m0_sdi0
+		     &sai1m0_sdo0>;
+	status = "okay";
+};
+
 &sai6 {
 	status = "okay";
 };