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@xxxxxxxxxxxxxx> --- .../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