Re: [PATCH v7 1/2] dt-bindings: fsl-imx-sdma: Convert imx sdma to DT schema

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On 20/10/2022 06:14, Joy Zou wrote:
> Convert the i.MX SDMA binding to DT schema format using json-schema.
> 


> ---
>  .../devicetree/bindings/dma/fsl,imx-sdma.yaml | 147 ++++++++++++++++++
>  .../devicetree/bindings/dma/fsl-imx-sdma.txt  | 118 --------------
>  2 files changed, 147 insertions(+), 118 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml
>  delete mode 100644 Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
> 
> diff --git a/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml b/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml
> new file mode 100644
> index 000000000000..3da65d3ea4af
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml
> @@ -0,0 +1,147 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/dma/fsl,imx-sdma.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale Smart Direct Memory Access (SDMA) Controller for i.MX
> +
> +maintainers:
> +  - Joy Zou <joy.zou@xxxxxxx>
> +

You need to reference dma-controller.yaml schema.

> +properties:
> +  compatible:
> +    oneOf:


(...)

> +
> +  gpr:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: The phandle to the General Purpose Register (GPR) node
> +
> +  fsl,sdma-event-remap:
> +    $ref: /schemas/types.yaml#/definitions/uint32-matrix
> +    maxItems: 2
> +    items:
> +      items:
> +        - description: GPR register offset
> +        - description: GPR register shift
> +        - description: GPR register value
> +    description: |
> +      Register bits of sdma event remap, the format is <reg shift val>.
> +      The order is <RX>, <TX>.
> +
> +  clocks:
> +    maxItems: 2
> +
> +  clock-names:
> +    items:
> +      - const: ipg
> +      - const: ahb
> +
> +  iram:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: The phandle to the On-chip RAM (OCRAM) node.
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - fsl,sdma-ram-script-name
> +  - "#dma-cells"

and then this can one be dropped.

> +
> +additionalProperties: false

Best regards,
Krzysztof




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