[PATCH v1 2/2] arm64: dts: rockchip: add analog audio to RK3588 EVB1

[Sebastian Reichel]

Add support for the EVB1 analog audio to its devicetree. Only
the headphone has been tested, since I don't have matching
peripherals to test headset or speakers.

I also didn't manage to record sound from the onboard microphone,
but that also fails with the vendor kernel. Thus I assume the
microphone on my board is fried.

Signed-off-by: Sebastian Reichel <sebastian.reichel at collabora.com>
---
 .../boot/dts/rockchip/rk3588-evb1-v10.dts     | 97 +++++++++++++++++++
 1 file changed, 97 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
index b9d789d57862..3369065f897d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
@@ -56,6 +56,63 @@ button-escape {
 		};
 	};
 
+	analog-sound {
+		compatible = "simple-audio-card";
+		pinctrl-names = "default";
+		pinctrl-0 = <&hp_detect>;
+		simple-audio-card,name = "RK3588 EVB1 Audio";
+		simple-audio-card,aux-devs = <&amp_headphone>, <&amp_speaker>;
+		simple-audio-card,bitclock-master = <&masterdai>;
+		simple-audio-card,format = "i2s";
+		simple-audio-card,frame-master = <&masterdai>;
+		simple-audio-card,hp-det-gpio = <&gpio1 RK_PD5 GPIO_ACTIVE_LOW>;
+		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,pin-switches = "Headphones", "Speaker";
+		simple-audio-card,routing =
+			"Speaker Amplifier INL", "LOUT2",
+			"Speaker Amplifier INR", "ROUT2",
+			"Speaker", "Speaker Amplifier OUTL",
+			"Speaker", "Speaker Amplifier OUTR",
+			"Headphones Amplifier INL", "LOUT1",
+			"Headphones Amplifier INR", "ROUT1",
+			"Headphones", "Headphones Amplifier OUTL",
+			"Headphones", "Headphones Amplifier OUTR",
+			"LINPUT1", "Onboard Microphone",
+			"RINPUT1", "Onboard Microphone",
+			"LINPUT2", "Microphone Jack",
+			"RINPUT2", "Microphone Jack";
+		simple-audio-card,widgets =
+			"Microphone", "Microphone Jack",
+			"Microphone", "Onboard Microphone",
+			"Headphone", "Headphones",
+			"Speaker", "Speaker";
+
+		simple-audio-card,cpu {
+			sound-dai = <&i2s0_8ch>;
+		};
+
+		masterdai: simple-audio-card,codec {
+			sound-dai = <&es8388>;
+			system-clock-frequency = <12288000>;
+		};
+	};
+
+	amp_headphone: headphone-amplifier {
+		compatible = "simple-audio-amplifier";
+		enable-gpios = <&gpio1 RK_PD2 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&headphone_amplifier_en>;
+		sound-name-prefix = "Headphones Amplifier";
+	};
+
+	amp_speaker: speaker-amplifier {
+		compatible = "simple-audio-amplifier";
+		enable-gpios = <&gpio1 RK_PD3 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&speaker_amplifier_en>;
+		sound-name-prefix = "Speaker Amplifier";
+	};
+
 	backlight: backlight {
 		compatible = "pwm-backlight";
 		power-supply = <&vcc12v_dcin>;
@@ -240,6 +297,32 @@ hym8563: rtc at 51 {
 	};
 };
 
+&i2c7 {
+	status = "okay";
+
+	es8388: audio-codec at 11 {
+		compatible = "everest,es8388";
+		reg = <0x11>;
+		clocks = <&cru I2S0_8CH_MCLKOUT>;
+		assigned-clocks = <&cru I2S0_8CH_MCLKOUT>;
+		assigned-clock-rates = <12288000>;
+		AVDD-supply = <&avcc_1v8_codec_s0>;
+		DVDD-supply = <&avcc_1v8_codec_s0>;
+		HPVDD-supply = <&vcc_3v3_s0>;
+		PVDD-supply = <&vcc_3v3_s0>;
+		#sound-dai-cells = <0>;
+	};
+};
+
+&i2s0_8ch {
+	pinctrl-0 = <&i2s0_lrck
+		     &i2s0_mclk
+		     &i2s0_sclk
+		     &i2s0_sdi0
+		     &i2s0_sdo0>;
+	status = "okay";
+};
+
 &mdio0 {
 	rgmii_phy: ethernet-phy at 1 {
 		/* RTL8211F */
@@ -273,6 +356,20 @@ &pcie3x4 {
 };
 
 &pinctrl {
+	audio {
+		hp_detect: headphone-detect {
+			rockchip,pins = <1 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		headphone_amplifier_en: headphone-amplifier-en {
+			rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		speaker_amplifier_en: speaker-amplifier-en {
+			rockchip,pins = <1 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	rtl8111 {
 		rtl8111_isolate: rtl8111-isolate {
 			rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;
-- 
2.42.0