Re: [PATCH v4 1/5] [RFC] clk: shmobile: Add new Renesas CPG/MSSR DT bindings

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Hi Laurent,

On Fri, Oct 23, 2015 at 1:05 PM, Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
> On Wednesday 21 October 2015 01:01:03 Magnus Damm wrote:
>> On Tue, Oct 20, 2015 at 9:16 PM, Geert Uytterhoeven wrote:
>> > On Fri, Oct 16, 2015 at 2:49 PM, Geert Uytterhoeven wrote:
>> >> --- /dev/null
>> >> +++ b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt
>> >> @@ -0,0 +1,71 @@
>> >> +* Renesas Clock Pulse Generator / Module Standby and Software Reset
>> >> +
>> >> +On Renesas ARM SoCs (SH/R-Mobile, R-Car, RZ), the CPG (Clock Pulse
>> >> Generator)
>> >> +and MSSR (Module Standby and Software Reset) blocks are intimately
>> >> connected,
>> >> +and share the same register block.
>> >> +
>> >> +They provide the following functionalities:
>> >> +  - The CPG block generates various core clocks,
>> >> +  - The MSSR block provides two functions:
>> >> +      1. Module Standby, providing a Clock Domain to control the clock
>> >> supply
>> >> +        to individual SoC devices,
>> >> +      2. Reset Control, to perform a software reset of individual SoC
>> >> devices.
>> >> +
>> >> +Required Properties:
>> >> +  - compatible: Must be one of:
>> >> +      - "renesas,r8a7791-cpg-mssr" for the r8a7791 SoC
>> >
>> > I'll drop the reference to "r8a7791", as we won't convert r8a7791 (yet).
>
> I'm fine with supporting r8a7795 only in the initial patch set, but when do we
> plan to convert r8a7791 ? I think it would be a good idea to validate these

That's a political question...

> bindings on r8a7791 before considering them as stable.

I did the validation on both r8a7795/salvator-x and r8a7791/koelsch.
Please try branch topic/cpg-mssr-v4 of renesas-drivers.

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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