Re: [PATCH 1/1] dt-bindings: timer: mediatek: Convert binding to YAML

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On 22/04/2022 15:13, Allen-KH Cheng wrote:

You should also fix the DTSes to match the new schema.

> +$id: http://devicetree.org/schemas/timer/mediatek,mtk-timer.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek SoCs timers bindings
> +
> +description:
> +  MediaTek SoCs have two different timers on different platforms,
> +  - GPT (General Purpose Timer)
> +  - SYST (System Timer)
> +
> +maintainers:
> +  - Fengquan Chen <fengquan.chen@xxxxxxxxxxxx>
> +  - Allen-KH Cheng <allen-kh.cheng@xxxxxxxxxxxx>
> +
> +properties:
> +  $nodename:
> +    pattern: '^timer@[a-f0-9]+$'
> +
> +  compatible:
> +    oneOf:
> +      - const: mediatek,mt6577-timer
> +      - const: mediatek,mt6765-timer

These two entries should be an enum.

> +      - items:
> +          - enum:
> +              - mediatek,mt2701-timer
> +              - mediatek,mt6580-timer
> +              - mediatek,mt6582-timer
> +              - mediatek,mt6589-timer
> +              - mediatek,mt7623-timer
> +              - mediatek,mt8127-timer
> +              - mediatek,mt8135-timer
> +              - mediatek,mt8173-timer
> +              - mediatek,mt8516-timer
> +          - const: mediatek,mt6577-timer
> +      - items:
> +          - enum:
> +              - mediatek,mt7629-timer
> +              - mediatek,mt8183-timer
> +              - mediatek,mt8186-timer
> +              - mediatek,mt8192-timer
> +              - mediatek,mt8195-timer
> +          - const: mediatek,mt6765-timer
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    minItems: 1
> +    maxItems: 2
> +
> +  clock-names:
> +    minItems: 1
> +    items:
> +      - const: clk13m
> +      - const: bus

When is the bus clock optional?

> +
> +required:
> +  - compatible
> +  - reg

clocks are required in the old bindings

> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    timer@10008000 {
> +        compatible = "mediatek,mt6577-timer";
> +        reg = <0xd4014000 0x100>;

reg does not match unit address.


> +        interrupts = <13>;
> +        clocks = <&coreclk 2>;
> +    };
> +
> +...


Best regards,
Krzysztof



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