Re: [PATCH v3 05/12] dt-bindings: arm: mediatek: change mmsys txt to yaml file

[Fei Shao]

On Fri, Jul 16, 2021 at 1:48 AM jason-jh.lin <jason-jh.lin@xxxxxxxxxxxx> wrote:
>
> Change mediatek,mmsys.txt to mediatek,mmsys.yaml
>
> Signed-off-by: jason-jh.lin <jason-jh.lin@xxxxxxxxxxxx>
> ---
>  .../bindings/arm/mediatek/mediatek,mmsys.txt  |  32 ------
>  .../bindings/arm/mediatek/mediatek,mmsys.yaml | 102 ++++++++++++++++++
>  2 files changed, 102 insertions(+), 32 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
>
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt
> deleted file mode 100644
> index 9712a6831fab..000000000000
> --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt
> +++ /dev/null
> @@ -1,32 +0,0 @@
> -Mediatek mmsys controller
> -============================
> -
> -The Mediatek mmsys system controller provides clock control, routing control,
> -and miscellaneous control in mmsys partition.
> -
> -Required Properties:
> -
> -- compatible: Should be one of:
> -       - "mediatek,mt2701-mmsys", "syscon"
> -       - "mediatek,mt2712-mmsys", "syscon"
> -       - "mediatek,mt6765-mmsys", "syscon"
> -       - "mediatek,mt6779-mmsys", "syscon"
> -       - "mediatek,mt6797-mmsys", "syscon"
> -       - "mediatek,mt7623-mmsys", "mediatek,mt2701-mmsys", "syscon"
> -       - "mediatek,mt8167-mmsys", "syscon"
> -       - "mediatek,mt8173-mmsys", "syscon"
> -       - "mediatek,mt8183-mmsys", "syscon"
> -       - "mediatek,mt8192-mmsys", "syscon"
> -- #clock-cells: Must be 1
> -
> -For the clock control, the mmsys controller uses the common clk binding from
> -Documentation/devicetree/bindings/clock/clock-bindings.txt
> -The available clocks are defined in dt-bindings/clock/mt*-clk.h.
> -
> -Example:
> -
> -mmsys: syscon@14000000 {
> -       compatible = "mediatek,mt8173-mmsys", "syscon";
> -       reg = <0 0x14000000 0 0x1000>;
> -       #clock-cells = <1>;
> -};
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
> new file mode 100644
> index 000000000000..ea31c7c2792c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
> @@ -0,0 +1,102 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/mediatek/mediatek,mmsys.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: mediatek mmsys Controller Device Tree Bindings
> +
> +maintainers:
> +  - CK Hu <ck.hu@xxxxxxxxxxxx>
> +  - Jason-JH Lin <jason-jh.lin@xxxxxxxxxxxx>
> +
> +description: |
> +  The Mediatek mmsys system controller provides clock control, routing control,
> +  and miscellaneous control in mmsys partition.
> +
> +properties:
> +  compatible:
> +    description: |
> +      If the mmsys controller of different soc have the same function,
> +      you can use the same compatible name after it.
> +      For example, if the function of mt2701 mmsys controller is the same as syscon,
> +      then the compatible property could be set as:
> +      compatible = "mediatek,mt2701-mmsys", "syscon";
> +    oneOf:
> +      - items:
> +          - const: syscon
> +      - items:
> +          - enum:
> +              - mediatek,mt2701-mmsys
> +              - mediatek,mt7623-mmsys
> +          - enum:
> +              - syscon

Not a yaml expert but I think it's:
  - items:
    - enum:
      - mediatek,mt7623-mmsys
    - enum:
      - mediatek,mt2701-mmsys
    - enum:
      - syscon

> +      - items:
> +          - enum:
> +              - mediatek,mt2712-mmsys
> +          - enum:
> +              - syscon
> +      - items:
> +          - enum:
> +              - mediatek,mt6779-mmsys
> +          - enum:
> +              - syscon
> +      - items:
> +          - enum:
> +              - mediatek,mt6797-mmsys
> +          - enum:
> +              - syscon
> +      - items:
> +          - enum:
> +              - mediatek,mt8167-mmsys
> +          - enum:
> +              - syscon
> +      - items:
> +          - enum:
> +              - mediatek,mt8173-mmsys
> +          - enum:
> +              - syscon
> +      - items:
> +          - enum:
> +              - mediatek,mt8183-mmsys
> +          - enum:
> +              - syscon
> +      - items:
> +          - enum:
> +              - mediatek,mt8192-mmsys
> +          - enum:
> +              - syscon

Just
  - enum:
    - mediatek,mt2712-mmsys
    ...
    - mediatek,mt8192-mmsys
  - enum:
    - syscon

Fei

> +
> +  reg:
> +    maxItems: 1
> +
> +  '#clock-cells':
> +    description: |
> +      For the clock control, the mmsys controller uses the common clk binding from
> +      Documentation/devicetree/bindings/clock/clock-bindings.txt
> +      The available clocks are defined in dt-bindings/clock/mt*-clk.h
> +    const: 1
> +
> +  mboxes:
> +    description: |
> +      Client use mailbox to communicate with GCE, it should have this
> +      property and list of phandle with mailbox specifiers as defined in
> +      Documentation/devicetree/bindings/mailbox/mtk-gce.txt
> +
> +required:
> +  - compatible
> +  - reg
> +  - '#clocks-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +
> +    mmsys: syscon@14000000 {
> +        compatible = "mediatek,mt8173-mmsys", "syscon";
> +        reg = <0 0x14000000 0 0x1000>;
> +        #clock-cells = <1>;
> +    };
> +
> +...
> --
> 2.18.0