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 deab20ff4d97cf1f1a92cb2f53bbc50c1df7bb66..0789733c2073f96e96b8fbff4195f30844b9862e 100644 (file)
--- 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";
 };