[PATCH/RFC 10/14] dt-bindings: power: Document Renesas R-Car X5H Module Controller

Marek Vasut marek.vasut at mailbox.org
Thu May 7 14:53:40 PDT 2026


On 4/21/26 8:11 PM, Geert Uytterhoeven wrote:

[...]

> +  '#power-domain-cells':
> +    description: |
> +      - The first power domain specifier cell must be either the Module
> +        Power Domain Gating (MPDG) register index (0x00-0x3f) from the
> +        datasheet, or a Power Domain number, as defined in
> +        <dt-bindings/power/renesas,r8a78000-mdlc.h>,
> +      - The second power domain specifier cell must be the module number
> +        (0x00-0xff), composed of the Module System Reset (MSRES) register index
> +        in the high nibble, and the Module Reset Destination bitfield index in
> +        the low nibble.
> +    const: 2
> +
> +  '#reset-cells':
> +    description:
> +      The single reset specifier cell must be the module number (0x00-0xff).
> +    const: 1
Just one more question -- the power-domain-cells second cell and 
reset-cells are always going to be identical values, correct ? If so, it 
would be nice to keep the description: aligned, and maybe even indicate 
in the description that those two values have to be the same.



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