On Fri, Jan 13, 2023 at 2:46 PM Yoshihiro Shimoda
<yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote:
> Enable UFS device for R-Car S4-8 Spider CPU board.
>
> Note that the conditions of RC21012 on the Spider are:
> - OUT11 (for UFS30_REFCLK_V) is disabled as default.
> - OUT11 is controlled by GPIO0 pin.
> - The GPIO0 pin is inverted sense (low active) and pull-up enabled.
>
> To output the clock, pin 4 of TCA9554 on the Spider board needs to
> output low level so that using "gpio-gate-clock" for it.
>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> Changes from v1:
> - Add /delete-property/ clock-frequency; in the ufs30_clk.
> - Add Tested-by. (Geert-san, thanks!)
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
i.e. will queue in renesas-devel for v6.3.
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
