Re: [PATCH v3 12/12] dt-bindings: fsl-dma: fsl-edma: add edma3 compatible string

From: Krzysztof Kozlowski
Date: Fri Jun 02 2023 - 04:31:11 EST


On 01/06/2023 16:41, Frank Li wrote:
> Extend Freescale eDMA driver bindings to support eDMA3 IP blocks in
> i.MX8QM and i.MX8QXP SoCs. In i.MX93, both eDMA3 and eDMA4 are now.
>
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> ---
> .../devicetree/bindings/dma/fsl,edma.yaml | 28 +++++++++++++++++++
> 1 file changed, 28 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
> index 5fd8fc604261..ec0fe8735ec7 100644
> --- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml
> +++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
> @@ -21,6 +21,10 @@ properties:
> - enum:
> - fsl,vf610-edma
> - fsl,imx7ulp-edma
> + - fsl,imx8qm-edma
> + - fsl,imx8qm-adma
> + - fsl,imx93-edma3
> + - fsl,imx93-edma4
> - items:
> - const: fsl,ls1028a-edma
> - const: fsl,vf610-edma
> @@ -49,6 +53,10 @@ properties:
> clock-names:
> maxItems: 2
>
> + fsl,channel-mask:
> + $ref: /schemas/types.yaml#/definitions/uint64
> + description: A bitmask lets you skip certain channel.

There is already a property for this - included in your binding:
dma-channel-mask. Use this one.

Best regards,
Krzysztof