Re: [PATCH 07/10] ARM: dts: arm: Fix SP805 clocks

Linus Walleij
2020-08-28T14:45:34Z

On Fri, Aug 28, 2020 at 3:06 PM Andre Przywara <andre.przywara@arm.com> wrote:

> The SP805 binding sets the name for the actual watchdog clock to
> "wdog_clk" (with an underscore).
>
> Change the name in the DTs for ARM Ltd. platforms to match that. The
> Linux and U-Boot driver use the *first* clock for this purpose anyway,
> so it does not break anything.
>
> For MPS2 we only specify one clock so far, but the binding requires
> two clocks to be named.
>
> In practice, Linux would pick a clock named "apb_pclk" for the bus
> clock, and the Linux and U-Boot SP805 driver would use the first clock
> to derive the actual watchdog counter frequency. So since currently both
> are the very same clock, we can just double the clock reference, and add
> the correct clock-names, to match the binding.
>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij