arm64: dts: rockchip: add ES8316 codec for ROCK Pi 4

ROCK Pi 4 boards have the codec connected to i2s0 and it is accessible
via i2c1 address 0x11.
Add an audio-graph-card for it.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Link: https://lore.kernel.org/r/20210618181256.27992-5-knaerzche@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
index b28888e..b49072a 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
@@ -36,6 +36,12 @@
                reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
        };
 
+       sound {
+               compatible = "audio-graph-card";
+               label = "Analog";
+               dais = <&i2s0_p0>;
+       };
+
        vcc12v_dcin: dc-12v {
                compatible = "regulator-fixed";
                regulator-name = "vcc12v_dcin";
@@ -422,6 +428,20 @@
        i2c-scl-rising-time-ns = <300>;
        i2c-scl-falling-time-ns = <15>;
        status = "okay";
+
+       es8316: codec@11 {
+               compatible = "everest,es8316";
+               reg = <0x11>;
+               clocks = <&cru SCLK_I2S_8CH_OUT>;
+               clock-names = "mclk";
+               #sound-dai-cells = <0>;
+
+               port {
+                       es8316_p0_0: endpoint {
+                               remote-endpoint = <&i2s0_p0_0>;
+                       };
+               };
+       };
 };
 
 &i2c3 {
@@ -441,6 +461,14 @@
        rockchip,capture-channels = <2>;
        rockchip,playback-channels = <2>;
        status = "okay";
+
+       i2s0_p0: port {
+               i2s0_p0_0: endpoint {
+                       dai-format = "i2s";
+                       mclk-fs = <256>;
+                       remote-endpoint = <&es8316_p0_0>;
+               };
+       };
 };
 
 &i2s1 {