Re: [PATCH RFC 2/7] dt-bindings: mfd: rzg2l-mtu3: Document RZ/G2L MTU3 counter

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On Thu, 29 Sep 2022, Biju Das wrote:

> Document 16-bit and 32-bit phase counting mode support on
> RZ/G2L MTU3 IP.
> 
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
>  * Updated commit header.
> ---
>  .../bindings/mfd/renesas,rzg2l-mtu3.yaml      | 35 +++++++++++++++++++
>  1 file changed, 35 insertions(+)

Counter binding?

> diff --git a/Documentation/devicetree/bindings/mfd/renesas,rzg2l-mtu3.yaml b/Documentation/devicetree/bindings/mfd/renesas,rzg2l-mtu3.yaml
> index c1fae8e8d9f9..c4bcf28623d6 100644
> --- a/Documentation/devicetree/bindings/mfd/renesas,rzg2l-mtu3.yaml
> +++ b/Documentation/devicetree/bindings/mfd/renesas,rzg2l-mtu3.yaml
> @@ -192,6 +192,37 @@ properties:
>    "#size-cells":
>      const: 0
>  
> +patternProperties:
> +  "^counter@[1-2]+$":
> +    type: object
> +
> +    properties:
> +      compatible:
> +        const: renesas,rzg2l-mtu3-counter
> +
> +      reg:
> +        description: Identify counter channels.
> +        items:
> +          enum: [ 1, 2 ]
> +
> +      renesas,32bit-phase-counting:
> +        type: boolean
> +        description: Enable 32-bit phase counting mode.
> +
> +      renesas,ext-input-phase-clock-select:
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +        enum: [ 0, 1 ]
> +        default: 1
> +        description: |
> +          Selects the external clock pin for phase counting mode.
> +            <0> : MTCLKA and MTCLKB are selected for the external phase clock.
> +            <1> : MTCLKC and MTCLKD are selected for the external phase clock
> +                  (default)
> +
> +    required:
> +      - compatible
> +      - reg
> +
>  required:
>    - compatible
>    - reg
> @@ -270,6 +301,10 @@ examples:
>        clocks = <&cpg CPG_MOD R9A07G044_MTU_X_MCK_MTU3>;
>        power-domains = <&cpg>;
>        resets = <&cpg R9A07G044_MTU_X_PRESET_MTU3>;
> +      counter@1 {
> +        compatible = "renesas,rzg2l-mtu3-counter";
> +        reg = <1>;
> +      };
>      };
>  
>  ...

-- 
Lee Jones [李琼斯]



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