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SubjectRe: [PATCH] arm64: dts: rockchip: add rock-pi-4 analog audio
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Hi Adrian,

I've submitted similar patch already. Its part of [1]

There is no headphone detection pin in the schematics, btw.

[1]
https://patchwork.kernel.org/project/linux-rockchip/cover/20210618181256.27992-1-knaerzche@gmail.com/

Best,

Alex

Am 28.06.21 um 13:30 schrieb Adrian Ratiu:
> This adds the necessary pinctrl and nodes to enable the
> analog audio on rk3399 rock-pi-4 SBCs using the es8316
> codec and the audio-graph-card driver.
>
> Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
> ---
> .../boot/dts/rockchip/rk3399-rock-pi-4.dtsi | 38 +++++++++++++++++++
> 1 file changed, 38 insertions(+)
>
> 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 b28888ea9262..77781d9150ac 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
> @@ -128,6 +128,12 @@ vdd_log: vdd-log {
> regulator-max-microvolt = <1400000>;
> vin-supply = <&vcc5v0_sys>;
> };
> +
> + sound {
> + compatible = "audio-graph-card";
> + label = "rockchip,rk3399";
> + dais = <&i2s0_p0>;
> + };
> };
>
> &cpu_l0 {
> @@ -422,6 +428,24 @@ &i2c1 {
> 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";
> + pinctrl-names = "default";
> + pinctrl-0 = <&hp_det_pin>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <RK_PA0 IRQ_TYPE_LEVEL_HIGH>;
> + #sound-dai-cells = <0>;
> +
> + port {
> + es8316_p0_0: endpoint {
> + remote-endpoint = <&i2s0_p0_0>;
> + };
> + };
> + };
> };
>
> &i2c3 {
> @@ -441,6 +465,14 @@ &i2s0 {
> 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 {
> @@ -556,6 +588,12 @@ wifi_host_wake_l: wifi-host-wake-l {
> rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
> };
> };
> +
> + es8316 {
> + hp_det_pin: hp-det-pin {
> + rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> };
>
> &pwm2 {

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