On Tue 03 Oct 2023 at 14:12, Jerome Brunet <jbrunet@xxxxxxxxxxxx> wrote:
> SPDIF output is available libretech's Potato v1 and v2, on a dedicated
> header. Add the codec, pinmux and dai link to enable it on the sound card.
After discussing further within Da,
while the the schematics says SPDIF_OUT this is actually not the only
use of the header. This mis-understanding is on me.
Please do not merge this change.
At least the information is out there.
>
> Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> ---
> .../amlogic/meson-gxl-s905x-libretech-cc-v2.dts | 17 +++++++++++++++++
> .../amlogic/meson-gxl-s905x-libretech-cc.dts | 17 +++++++++++++++++
> 2 files changed, 34 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts
> index 2825db91e462..ca6f922d162d 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts
> @@ -23,6 +23,13 @@ aliases {
> spi0 = &spifc;
> };
>
> + spdif_dit: audio-codec {
> + #sound-dai-cells = <0>;
> + compatible = "linux,spdif-dit";
> + status = "okay";
> + sound-name-prefix = "9J2";
> + };
> +
> chosen {
> stdout-path = "serial0:115200n8";
> };
> @@ -189,11 +196,21 @@ codec-0 {
> sound-dai = <&hdmi_tx>;
> };
> };
> +
> + dai-link-3 {
> + sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
> +
> + codec-0 {
> + sound-dai = <&spdif_dit>;
> + };
> + };
> };
> };
>
> &aiu {
> status = "okay";
> + pinctrl-0 = <&spdif_out_h_pins>;
> + pinctrl-names = "default";
> };
>
> &cec_AO {
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
> index 27093e6ac9e2..8b3234a9cb45 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
> @@ -29,6 +29,13 @@ dio2133: analog-amplifier {
> enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
> };
>
> + spdif_dit: audio-codec {
> + #sound-dai-cells = <0>;
> + compatible = "linux,spdif-dit";
> + status = "okay";
> + sound-name-prefix = "9J1";
> + };
> +
> chosen {
> stdout-path = "serial0:115200n8";
> };
> @@ -183,6 +190,14 @@ codec-0 {
> sound-dai = <&acodec>;
> };
> };
> +
> + dai-link-4 {
> + sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
> +
> + codec-0 {
> + sound-dai = <&spdif_dit>;
> + };
> + };
> };
> };
>
> @@ -193,6 +208,8 @@ &acodec {
>
> &aiu {
> status = "okay";
> + pinctrl-0 = <&spdif_out_h_pins>;
> + pinctrl-names = "default";
> };
>
> &cec_AO {
