On Thu, Sep 29, 2022 at 11:30:38AM +0100, 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(+)
>
> 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)
Why do these belong in DT?
> +
> + 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>;
> + };
> };
>
> ...
> --
> 2.25.1
>
>
