Hi Wolfram,
On Mon, Feb 4, 2019 at 11:00 PM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
> We could finally measure the clock on an Ebisu board. The new formula
> gives way better results, i.e. 100kHz instead of 106kHz and 400kHz
> instead of 387kHz. Switch to these formulas for all Gen3 SoCs.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Thanks for your patch!
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> --- a/drivers/i2c/busses/i2c-sh_mobile.c
> +++ b/drivers/i2c/busses/i2c-sh_mobile.c
> @@ -806,11 +806,11 @@ static const struct of_device_id sh_mobile_i2c_dt_ids[] = {
> { .compatible = "renesas,iic-r8a7792", .data = &fast_clock_dt_config },
> { .compatible = "renesas,iic-r8a7793", .data = &fast_clock_dt_config },
> { .compatible = "renesas,iic-r8a7794", .data = &fast_clock_dt_config },
> - { .compatible = "renesas,iic-r8a7795", .data = &fast_clock_dt_config },
> - { .compatible = "renesas,iic-r8a77990", .data = &fast_clock_dt_config },
> + { .compatible = "renesas,iic-r8a7795", .data = &v2_freq_calc_dt_config },
> + { .compatible = "renesas,iic-r8a77990", .data = &v2_freq_calc_dt_config },
> { .compatible = "renesas,iic-sh73a0", .data = &fast_clock_dt_config },
> { .compatible = "renesas,rcar-gen2-iic", .data = &fast_clock_dt_config },
> - { .compatible = "renesas,rcar-gen3-iic", .data = &fast_clock_dt_config },
> + { .compatible = "renesas,rcar-gen3-iic", .data = &v2_freq_calc_dt_config },
> { .compatible = "renesas,rmobile-iic", .data = &default_dt_config },
> {},
I guess you want to make a similar change for R-Car Gen2 (both SoC-specific
and family-specific)?
Currently only R-Car H2 uses the new formula, which should apply to all
R-Car Gen2/Gen3 SoCs.
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
