Re: [PATCH v2 1/2] dt-bindings: dma: apple,admac: Add M3 generation ADMACs
From: Janne Grunau
Date: Sun Aug 02 2026 - 04:57:30 EST
On Wed, Jul 29, 2026 at 01:46:34PM +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@xxxxxxxxxx>
> Reviewed-by: Joshua Peisach <jpeisach@xxxxxxxxxx>
> Signed-off-by: Sasha Finkelstein <k@xxxxxxxxxxxxxx>
> ---
> 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
Reviewed-by: Janne Grunau <j@xxxxxxxxxx>
Janne