Hi Chris,
On Mon, Aug 29, 2016 at 5:32 PM, Chris Brandt <Chris.Brandt@xxxxxxxxxxx> wrote:
> On Aug 29, 2016, Geert Uytterhoeven wrote:
>> We really need to get the GPIO driver upstream, and add support for reading the MD_* pins.
>
> OK, we can just read the mode pin instead of looking at the DT.
>
> In setup-r8a7779.c, they use ioremap to read the mode and then pass the mode into r8a7779_clocks_init() in the clock file.
> Looks like setup-rcar-gen2.c does the same thing.
>
> So, can we do the same in setup-r7s72100.c and clk-rz.c? No GPIO driver is needed and it would match the other platforms are doing.
Please don't: we're trying to get rid of reading the mode pins (a) in setup-*.c
and passing them to the clock driver, (b) without a proper driver.
Until you have a proper GPIO driver, I think the best solution is to ioremap()
the hardcoded registers in clk-rz.c, and reading the mode pins.
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
