RE: [PATCH 1/3] dt-bindings: clock: renesas: rcar-usb2-clock-sel: Fix clock[-name]s properties

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Hi Geert-san,

> From: Geert Uytterhoeven, Sent: Thursday, October 24, 2019 8:46 PM
> 
> Hi Shimoda-san,
> 
> On Thu, Oct 24, 2019 at 1:17 PM Yoshihiro Shimoda
> <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote:
> > Since the hardware requires to enable both USB 2.0 host and peripheral
> > functional clock, this patch fixes the documentation.
> > 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>
> 
> Thanks four your patch!
> 
> Looks good to me, so
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Thank you for your review!

> I'm just wondering about the inconsistent use of "_" and "-" in clock
> names, but I don't have a better suggestion ("hs-usb-if", "usb_extal",
> and "usb_xtal" do match the datasheet), so let's ignore my OCD ;-)

I intended to match the names with the datasheet, but "ehci_ohci" doesn't match though...
So, should I change the "ehci_ohci" to "ehci/ohci"?

Best regards,
Yoshihiro Shimoda

> > --- a/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt
> > +++ b/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt
> > @@ -38,7 +38,8 @@ Required properties:
> >  - reg: offset and length of the USB 2.0 clock selector register block.
> >  - clocks: A list of phandles and specifier pairs.
> >  - clock-names: Name of the clocks.
> > - - The functional clock must be "ehci_ohci"
> > + - The functional clock of USB 2.0 host side must be "ehci_ohci"
> 
> "_" means "and".
> 
> > + - The functional clock of HS-USB side must be "hs-usb-if"
> 
> "-" means concatenation of terms.
> 
> >   - The USB_EXTAL clock pin must be "usb_extal"
> >   - The USB_XTAL clock pin must be "usb_xtal"
> 
> "_" means concatenation of terms.
> 
> 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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