On 04/08/2021 16:00, Christian Hewitt wrote:
> Add initial support limited to HDMI i2s and SPDIF (LPCM).
>
> Signed-off-by: Christian Hewitt <christianshewitt@xxxxxxxxx>
> ---
> .../boot/dts/amlogic/meson-gxm-nexbox-a1.dts | 61 +++++++++++++++++++
> 1 file changed, 61 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
> index dfa7a37a1281..236c0a144142 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
> @@ -10,6 +10,7 @@
> /dts-v1/;
>
> #include "meson-gxm.dtsi"
> +#include <dt-bindings/sound/meson-aiu.h>
>
> / {
> compatible = "nexbox,a1", "amlogic,s912", "amlogic,meson-gxm";
> @@ -24,6 +25,13 @@
> stdout-path = "serial0:115200n8";
> };
>
> + spdif_dit: audio-codec-0 {
> + #sound-dai-cells = <0>;
> + compatible = "linux,spdif-dit";
> + status = "okay";
> + sound-name-prefix = "DIT";
> + };
> +
> memory@0 {
> device_type = "memory";
> reg = <0x0 0x0 0x0 0x80000000>;
> @@ -75,6 +83,59 @@
> };
> };
> };
> +
> + sound {
> + compatible = "amlogic,gx-sound-card";
> + model = "NEXBOX-A1";
> + assigned-clocks = <&clkc CLKID_MPLL0>,
> + <&clkc CLKID_MPLL1>,
> + <&clkc CLKID_MPLL2>;
> + assigned-clock-parents = <0>, <0>, <0>;
> + assigned-clock-rates = <294912000>,
> + <270950400>,
> + <393216000>;
> + status = "okay";
> +
> + dai-link-0 {
> + sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
> + };
> +
> + dai-link-1 {
> + sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
> + };
> +
> + dai-link-2 {
> + sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
> + dai-format = "i2s";
> + mclk-fs = <256>;
> +
> + codec-0 {
> + sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
> + };
> + };
> +
> + dai-link-3 {
> + sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
> +
> + codec-0 {
> + sound-dai = <&spdif_dit>;
> + };
> + };
> +
> + dai-link-4 {
> + sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
> +
> + codec-0 {
> + sound-dai = <&hdmi_tx>;
> + };
> + };
> + };
> +};
> +
> +&aiu {
> + status = "okay";
> + pinctrl-0 = <&spdif_out_h_pins>;
> + pinctrl-names = "default";
> };
>
> &cec_AO {
>
Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
