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Message-ID: <caae2af7-96ea-195f-6f33-05d9e79fa518@linaro.org>
Date:   Thu, 20 Oct 2022 12:31:39 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Joy Zou <joy.zou@....com>, vkoul@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com
Cc:     shengjiu.wang@....com, martink@...teo.de, dev@...xeye.de,
        alexander.stein@...tq-group.com, peng.fan@....com, david@...t.cz,
        aford173@...il.com, hongxing.zhu@....com, linux-imx@....com,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 1/2] dt-bindings: fsl-imx-sdma: Convert imx sdma to DT
 schema

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@....com>
> +

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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