RE: [PATCH v9 05/10] dt-bindings: clock: Add bindings for SP7021 clock driver

["qinjian[覃健]" <qinjian@cqplus1.com>]

> >>> +examples:
> >>> +  - |
> >>> +    clkc: clock-controller@9c000000 {
> >>> +      compatible = "sunplus,sp7021-clkc";
> >>> +      #clock-cells = <1>;
> >>> +      reg = <0x9c000000 0x280>;
> >>> +      clocks = <&extclk>, <&clkc PLL_SYS>;
> >>
> >> Except the warning pointed out by Rob's bot, it looks like you feed this
> >> clock-controller with a clock from itself. Is there a point to express
> >> it in DTS at all?
> >
> > Yes, pllsys is an internal clock, but it also as a parent clock for some other
> > clocks in this clock-controller.
> 
> What is the point to express it in DTS? Usually such internal
> parent-child relation is described in the driver.
> 
> And how does it even work? How can you get a clock from a device before
> you registered that device?

Thanks for your explanation.
I'll remove the internal clock parent form DTS.