This adds the necessary device tree changes to enable analog audio
output for the 3.5 mm TRS headphone jack on the Radxa ROCK 4C+ with
its RK809 audio codec.
Signed-off-by: Jonathan Liu <net147@xxxxxxxxx>
---
.../boot/dts/rockchip/rk3399-rock-4c-plus.dts | 46 ++++++++++++++++++-
1 file changed, 45 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts
index 972aea843afd..aafcce0f01e9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts
@@ -53,6 +53,21 @@ led-1 {
};
};
+ rk809-sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,name = "Analog RK809";
+ simple-audio-card,mclk-fs = <256>;
+
+ simple-audio-card,cpu {
+ sound-dai = <&i2s0>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&rk809>;
+ };
+ };
+
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
clocks = <&rk809 1>;
@@ -201,10 +216,13 @@ rk809: pmic@20 {
interrupt-parent = <&gpio1>;
interrupts = <RK_PC5 IRQ_TYPE_LEVEL_LOW>;
#clock-cells = <1>;
+ clock-names = "mclk";
+ clocks = <&cru SCLK_I2S_8CH_OUT>;
clock-output-names = "rk808-clkout1", "rk808-clkout2";
pinctrl-names = "default";
- pinctrl-0 = <&pmic_int_l>;
+ pinctrl-0 = <&pmic_int_l>, <&i2s_8ch_mclk>;
rockchip,system-power-controller;
+ #sound-dai-cells = <0>;
wakeup-source;
vcc1-supply = <&vcc5v0_sys>;
@@ -446,6 +464,10 @@ &i2c3 {
status = "okay";
};
+&i2s0 {
+ status = "okay";
+};
+
&i2s2 {
status = "okay";
};
@@ -473,6 +495,28 @@ bt_wake_l: bt-wake-l {
};
};
+ i2s0 {
+ i2s0_8ch_bus: i2s0-8ch-bus {
+ rockchip,pins =
+ <3 RK_PD0 1 &pcfg_pull_none>,
+ <3 RK_PD2 1 &pcfg_pull_none>,
+ <3 RK_PD3 1 &pcfg_pull_none>,
+ <3 RK_PD7 1 &pcfg_pull_none>;
+ };
+
+ i2s0_8ch_bus_bclk_off: i2s0-8ch-bus-bclk-off {
+ rockchip,pins =
+ <3 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>,
+ <3 RK_PD2 1 &pcfg_pull_none>,
+ <3 RK_PD3 1 &pcfg_pull_none>,
+ <3 RK_PD7 1 &pcfg_pull_none>;
+ };
+
+ i2s_8ch_mclk: i2s-8ch-mclk {
+ rockchip,pins = <4 RK_PA0 1 &pcfg_pull_none>;
+ };
+ };
+
leds {
user_led1: user-led1 {
rockchip,pins = <3 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
--
2.45.2
