Re: [PATCH v3 2/4] dt-bindings: clock: renesas: rcar-usb2-clock-sel: Add power-domains and resets properties

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Hi Shimoda-san,

On Fri, Nov 1, 2019 at 8:03 AM Yoshihiro Shimoda
<yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote:
> This patch adds missing required properties of power-domains and resets.
> Fortunately, no one has this device node for now, so that we don't
> need to think of backward compatibility.
>
> Fixes: 311accb64570 ("clk: renesas: rcar-usb2-clock-sel: Add R-Car USB 2.0 clock selector PHY")
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>

Thanks for your patch!

> --- a/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt
> +++ b/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt
> @@ -43,6 +43,9 @@ Required properties:
>   - The USB_EXTAL clock pin must be "usb_extal"
>   - The USB_XTAL clock pin must be "usb_xtal"
>  - #clock-cells: Must be 0
> +- power-domains: A phandle and symbolic PM domain specifier.
> +                 See power/renesas,rcar-sysc.txt.
> +- resets: A list of phandles and specifier pairs.

Since there is more than one, I think it would be good to specify
reset-names, too ("ehci_ohci" and "hs-usb-if").

The rest looks good to me.

>  Example (R-Car H3):
>
> @@ -54,4 +57,6 @@ Example (R-Car H3):
>                          <&usb_extal>, <&usb_xtal>;
>                 clock-names = "ehci_ohci", "hs-usb-if", "usb_extal", "usb_xtal";
>                 #clock-cells = <0>;
> +               power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
> +               resets = <&cpg 703>, <&cpg 704>;
>         };

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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