RE: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock bindings

Ryan Chen
2024-08-19T06:42:38Z

> Subject: Re: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock bindings
>
> On 19/08/2024 07:55, Ryan Chen wrote:
> >> Subject: Re: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock
> >> bindings
> >>
> >> On 13/08/2024 03:53, Ryan Chen wrote:
> >>>> Drop the define for number of clocks from the header, because it is
> >>>> not a
> >>
> >> *NUMBER OF CLOCKS*
> >>
> >>>> binding. You can put it in the driver or not, I don't care and do
> >>>> not provide guidance on this because I don't know if it makes sense at all.
> >>>> What I know is that number of clocks is not related to binding. It
> >>>> is not needed
> >>
> >> *NUMBER OF CLOCKS*
> >>
> >>>> in the binding, either.
> >>>
> >>> Sorry, I am confused.
> >>> if you think that number of clocks is not related to binding.
> >>
> >> *NUMBER OF CLOCKS*
> >>
> >>> How dtsi claim for clk?
> >>> For example in dtsi.
> >>> include <dt-bindings/clock/aspeed,ast2700-clk.h>
> >>> usb3bhp: usb3bhp {
> >>> ....
> >>> clocks = <&syscon0 SCU0_CLK_GATE_PORTAUSB>;
> >>
> >> And where is *NUMBER OF CLOCKS* here? I don't see any problem. No
> >> useless SCU0_CLK_GATE_NUM define here.
> >>
> > Understood now, I will remove those *NUMBER OF CLOCKS*.
> > And will replace to
> > #define SCU0_CLK_END 34
>
> NAK, it's like you keep ignoring my comments entirely. Even if you call it
> "SCU0_CLK_NOT_END" it does not change. Do you understand that it is not
> about name? Read my first comment.
>
> >
> > Refer:
> > https://github.com/torvalds/linux/blob/master/include/dt-bindings/cloc
> > k/imx8-clock.h#L87
>
> So you found a bug and this allows you to create the same bug?
>
Sorry, I don't see this is a bug.
But I try to understand your point, you prefer following for clock nums, am I correct?
https://github.com/torvalds/linux/blob/master/drivers/clk/meson/g12a.c#L5558-L5559

dt-binding is index table like following.
https://github.com/torvalds/linux/blob/master/drivers/clk/meson/g12a.c#L4380

>
> Best regards,
> Krzysztof