On Tue, 05 Nov 2024 17:11:36 +0800, Fei Shao wrote:
> On some MediaTek SoCs, an Audio DSP (ADSP) is integrated as a separate
> hardware block that leverages Sound Open Firmware (SOF) and provides
> additional audio functionalities. This hardware is optional, and the
> audio subsystem will still function normally when it's not present.
>
> To enable ADSP support, a 'mediatek,adsp' property is required in the
> sound card node to pass the ADSP phandle. This allows AFE to link to
> ADSP when the sound card is probed.
>
> MT8188 has ADSP integrated, so add the 'mediatek,adsp' property to
> allow using it in the audio subsystem.
>
> This fixes dtbs_check error:
> Unevaluated properties are not allowed ('mediatek,adsp' was
> unexpected)
>
> Signed-off-by: Fei Shao <fshao@xxxxxxxxxxxx>
> ---
> This patch is based on a previous [v1] series.
> This is sent as an individual patch in v2 because the other patches in
> the [v1] series are either invalid or for different purpose in different
> binding, so I think it'd be better to send them separately.
>
> [v1]:
> https://lore.kernel.org/all/20241025104548.1220076-2-fshao@xxxxxxxxxxxx/
>
> Changes in v2:
> - drop `mediatek,dai-link` vendor property because its goal can be
> achieved by using the existing `audio-routing`
> - update property description
> - update commit message
>
> .../devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml | 7 +++++++
> 1 file changed, 7 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
