Re: [PATCH 03/12] dt-bindings: mfd: renesas,rzg3s-vbattb: Document VBATTB

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On 14/06/2024 09:19, Claudiu wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>

> +
> +maintainers:
> +  - Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> +
> +properties:
> +  compatible:
> +    items:
> +      - const: renesas,rzg3s-vbattb
> +      - const: syscon
> +      - const: simple-mfd

No, mfd does no look good. That's not a simple device anymore and you
claim here child does not need vbat bclk, power domains and resets? That
would be a big surprise, although technically possible.

Please clarify: which of parent resources are needed for children?

...

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/r9a08g045-cpg.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    vbattb: vbattb@1005c000 {
> +        compatible = "renesas,rzg3s-vbattb", "syscon", "simple-mfd";
> +        reg = <0x1005c000 0x1000>;
> +        ranges = <0 0 0x1005c000 0 0x1000>;
> +        interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
> +        interrupt-names = "tampdi";
> +        clocks = <&cpg CPG_MOD R9A08G045_VBAT_BCLK>;
> +        clock-names = "bclk";
> +        power-domains = <&cpg>;
> +        resets = <&cpg R9A08G045_VBAT_BRESETN>;
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +        status = "disabled";

Drop

> +
> +        vbattclk: clock-controller@1c {
> +            compatible = "renesas,rzg3s-vbattb-clk";
> +            reg = <0 0x1c 0 0x10>;
> +            clocks = <&cpg CPG_MOD R9A08G045_VBAT_BCLK>, <&vbattb_xtal>;
> +            clock-names = "bclk", "vbattb_xtal";
> +            #clock-cells = <0>;
> +            power-domains = <&cpg>;
> +            status = "disabled";

Drop

> +        };
> +    };
> +
> +...

Best regards,
Krzysztof





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