On Sat 18 Jul 2020 at 08:57, Christian Hewitt <christianshewitt@xxxxxxxxx> wrote:
> Add initial support is limited to HDMI i2s and SPDIF (LPCM).
>
> Signed-off-by: Christian Hewitt <christianshewitt@xxxxxxxxx>
> ---
> .../boot/dts/amlogic/meson-gxm-nexbox-a1.dts | 80 +++++++++++++++++++
> 1 file changed, 80 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 83eca3af44ce..faca6fafc164 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";
> @@ -24,11 +25,37 @@
> 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>;
> };
>
> + vddio_ao18: regulator-vddio_ao18 {
> + compatible = "regulator-fixed";
> + regulator-name = "VDDIO_AO18";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> +
> + hdmi_5v: regulator-hdmi-5v {
> + compatible = "regulator-fixed";
> +
> + regulator-name = "HDMI_5V";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> +
> + gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + };
Please explain how this is related to change decribed in the commit
description.
> +
> vddio_boot: regulator-vddio-boot {
> compatible = "regulator-fixed";
> regulator-name = "VDDIO_BOOT";
> @@ -75,6 +102,59 @@
> };
> };
> };
> +
> + sound {
> + compatible = "amlogic,gx-sound-card";
> + model = "GXM-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 {
