[alsa-devel] [PATCH 2/2] arm: dts: Add support for ES8323 to the Firefly-RK3288

[Romain Perier]

This commit adds the DT definition of the es8388 i2c device found at
address 0x10. It also adds the definition for connecting the Rockchip
I2S to the es8388 analog output.

Signed-off-by: Romain Perier <romain.perier at collabora.com>
---
 arch/arm/boot/dts/rk3288-firefly.dtsi | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm/boot/dts/rk3288-firefly.dtsi b/arch/arm/boot/dts/rk3288-firefly.dtsi
index 44935af..bbe2d67 100644
--- a/arch/arm/boot/dts/rk3288-firefly.dtsi
+++ b/arch/arm/boot/dts/rk3288-firefly.dtsi
@@ -103,6 +103,16 @@
 		};
 	};
 
+	sound_es8323 {
+		compatible = "rockchip,rockchip-audio-es8388";
+		rockchip,model = "Analog audio output";
+		rockchip,i2s-controller = <&i2s>;
+		rockchip,audio-codec = <&es8323>;
+		/* tsadc and headphone use the same pins */
+		rockchip,hp-en-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_HIGH>;
+		rockchip,hp-det-gpios = <&gpio7 RK_PB7 GPIO_ACTIVE_HIGH>;
+	};
+
 	vbat_wl: vcc_sys: vsys-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_sys";
@@ -371,6 +381,17 @@
 
 &i2c2 {
 	status = "okay";
+
+	es8323: es8323 at 10 {
+		compatible = "everest,es8323", "everest,es8328";
+		reg = <0x10>;
+		AVDD-supply = <&vcca_33>;
+		DVDD-supply = <&vcca_33>;
+		HPVDD-supply = <&vcca_33>;
+		PVDD-supply = <&vcca_33>;
+		clocks = <&cru SCLK_I2S0_OUT>;
+		clock-names = "i2s_clk_out";
+	};
 };
 
 &i2c4 {
@@ -381,6 +402,10 @@
 	status = "okay";
 };
 
+&i2s {
+	status = "okay";
+};
+
 &io_domains {
 	status = "okay";
 
-- 
2.9.3