Re: [PATCH v3] dt-bindings: dma: fsl,imx-dma: Convert to dtschema

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On 05/06/2024 02:33, Animesh Agarwal wrote:
> Convert the fsl i.MX DMA controller bindings to DT schema. Remove old
> and deprecated properties #dma-channels and #dma-requests.

Where? I see them.

> 
> Signed-off-by: Animesh Agarwal <animeshagarwal28@xxxxxxxxx>
> 
> ---
> Changes in v3:
> - Changed maximum: 16 back to const: 16 as the device use exactly 16
> channels.
> 
> Changes in v2:
> - Added description for each interrupt item.
> - Changed dma-channels: const: 16 to maximum: 16.
> - Removed unnecessary '|' character.
> - Dropped unused label.
> ---
>  .../devicetree/bindings/dma/fsl,imx-dma.yaml  | 56 +++++++++++++++++++
>  .../devicetree/bindings/dma/fsl-imx-dma.txt   | 50 -----------------
>  2 files changed, 56 insertions(+), 50 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/dma/fsl,imx-dma.yaml
>  delete mode 100644 Documentation/devicetree/bindings/dma/fsl-imx-dma.txt
> 
> diff --git a/Documentation/devicetree/bindings/dma/fsl,imx-dma.yaml b/Documentation/devicetree/bindings/dma/fsl,imx-dma.yaml
> new file mode 100644
> index 000000000000..902a11f65be2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/fsl,imx-dma.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/dma/fsl,imx-dma.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale Direct Memory Access (DMA) Controller for i.MX
> +
> +maintainers:
> +  - Animesh Agarwal <animeshagarwal28@xxxxxxxxx>
> +
> +allOf:
> +  - $ref: dma-controller.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - fsl,imx1-dma
> +      - fsl,imx21-dma
> +      - fsl,imx27-dma
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    items:
> +      - description: DMA complete interrupt
> +      - description: DMA Error interrupt
> +    minItems: 1
> +
> +  "#dma-cells":
> +    const: 1
> +
> +  dma-channels:
> +    const: 16
> +
> +  dma-requests:
> +    description: Number of DMA requests supported.

That's confusing. It is supposed to be deprecated.

Best regards,
Krzysztof





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