[PATCH v4 1/2] dt-bindings: dma: apple,admac: Add M3 generation ADMACs

[Frank Li]

On Sat, Aug 15, 2026 at 12:41:38PM +0200, Sasha Finkelstein wrote:
> The admacs seen in M3-generation SoCs (t603x, t8122) need additional
> configuration writes and so are getting a new compatible chain.
>
> Acked-by: Rob Herring (Arm) <robh at kernel.org>
> Reviewed-by: Joshua Peisach <jpeisach at ubuntu.com>
> Reviewed-by: Janne Grunau <j at jannau.net>
> Signed-off-by: Sasha Finkelstein <k at chaosmail.tech>
> ---

Reviewed-by: Frank Li <Frank.Li at nxp.com>

>  Documentation/devicetree/bindings/dma/apple,admac.yaml | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/dma/apple,admac.yaml b/Documentation/devicetree/bindings/dma/apple,admac.yaml
> index 6a200cbd7d02..5b4fd8348f99 100644
> --- a/Documentation/devicetree/bindings/dma/apple,admac.yaml
> +++ b/Documentation/devicetree/bindings/dma/apple,admac.yaml
> @@ -10,7 +10,7 @@ description: |
>    Apple's Audio DMA Controller (ADMAC) is used to fetch and store audio samples
>    on SoCs from the "Apple Silicon" family.
>
> -  The controller has been seen with up to 24 channels. Even-numbered channels
> +  The controller has been seen with up to 32 channels. Even-numbered channels
>    are TX-only, odd-numbered are RX-only. Individual channels are coupled to
>    fixed device endpoints.
>
> @@ -33,6 +33,12 @@ properties:
>                - apple,t8103-admac
>                - apple,t8112-admac
>            - const: apple,admac
> +      - items:
> +          - enum:
> +              - apple,t6030-admac
> +              - apple,t6031-admac
> +          - const: apple,t8122-admac
> +      - const: apple,t8122-admac
>
>    reg:
>      maxItems: 1
> @@ -43,7 +49,7 @@ properties:
>        Clients specify a single cell with channel number.
>
>    dma-channels:
> -    maximum: 24
> +    maximum: 32
>
>    interrupts:
>      minItems: 4
>
> --
> 2.55.0
>