On Tue, Sep 18, 2018 at 11:14 AM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
> The PMIC and EEPROM can operate at 400kHz, so use this speed.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
>
> RFC because I couldn't find docs for the PMIC. Tests showed that it does
> work at 400kHz (checksuming over 256 byte reads). Geert, do you happen
> to have docs? Other than that, for the EEPROM it also works and is also
> documented and BSP uses 400kHz as well. Tested on Salvator XS, not ULCB.
BD9571 docs say:
(1) Fast mode: Max.400kHz
(2) Fast mode plus: Max. 1MHz
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
