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Subject[PATCH 2/2] arm64: dts: rockchip: enable rk809 audio codec on the rk3568 evb1
Date
Enable the Rockchip RK809 audio codec on the Rockchip RK3568
EVB1. This requires the VCCIO_ACODEC voltage regulator to be set
to always on.

Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
---
.../boot/dts/rockchip/rk3568-evb1-v10.dts | 31 ++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
index aaf7b4bed24b..1ed92531e626 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
@@ -45,6 +45,20 @@ led_work: led-work {
};
};

+ 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 = <&i2s1_8ch>;
+ };
+ simple-audio-card,codec {
+ sound-dai = <&rk809>;
+ };
+ };
+
vcc3v3_sys: vcc3v3-sys {
compatible = "regulator-fixed";
regulator-name = "vcc3v3_sys";
@@ -165,10 +179,15 @@ rk809: pmic@20 {
reg = <0x20>;
interrupt-parent = <&gpio0>;
interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
+ assigned-clocks = <&cru I2S1_MCLKOUT_TX>;
+ assigned-clock-parents = <&cru CLK_I2S1_8CH_TX>;
#clock-cells = <1>;
+ clock-names = "mclk";
+ clocks = <&cru I2S1_MCLKOUT_TX>;
pinctrl-names = "default";
- pinctrl-0 = <&pmic_int>;
+ pinctrl-0 = <&pmic_int>, <&i2s1m0_mclk>;
rockchip,system-power-controller;
+ #sound-dai-cells = <0>;
vcc1-supply = <&vcc3v3_sys>;
vcc2-supply = <&vcc3v3_sys>;
vcc3-supply = <&vcc3v3_sys>;
@@ -282,6 +301,7 @@ regulator-state-mem {

vccio_acodec: LDO_REG4 {
regulator-name = "vccio_acodec";
+ regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;

@@ -366,6 +386,10 @@ regulator-state-mem {
};
};
};
+
+ codec {
+ mic-in-differential;
+ };
};
};

@@ -386,6 +410,11 @@ touchscreen0: goodix@14 {
};
};

+&i2s1_8ch {
+ rockchip,trcm-sync-tx-only;
+ status = "okay";
+};
+
&mdio0 {
rgmii_phy0: ethernet-phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
--
2.30.2
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