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Message-Id: <20251229-rk3576-sound-v1-7-2f59ef0d19b1@gmail.com>
Date: Mon, 29 Dec 2025 14:12:04 +0400
From: Alexey Charkov <alchark@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
John Clark <inindev@...il.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
Alexey Charkov <alchark@...il.com>
Subject: [PATCH 7/7] 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@...il.com>
---
arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts | 99 ++++++++++++++++++++++++
1 file changed, 99 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts
index deab20ff4d97..0789733c2073 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 @@ vcc_wifi_reg_on: regulator-wifi-reg-on {
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 @@ hym8563: rtc@51 {
};
};
+&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 @@ &pcie1 {
};
&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 @@ wifi_wake_host: wifi-wake-host {
};
};
+&sai1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&sai1m0_lrck
+ &sai1m0_sclk
+ &sai1m0_sdi0
+ &sai1m0_sdo0>;
+ status = "okay";
+};
+
&sai6 {
status = "okay";
};
--
2.51.2
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