Re: [PATCH v6 05/17] rtc: sun6i: Add Allwinner H616 support

Jernej Škrabec
2021-05-22T07:31:22Z

Hi Andre!

Dne sreda, 19. maj 2021 ob 12:41:40 CEST je Andre Przywara napisal(a):
> The H616 RTC changes its day storage to the newly introduced linear day
> scheme, so pair the new compatible string with this feature flag.
> So far the clock parts seem to be the same as the H6, so combine the
> compatible string with the existing H6 support bits.

There is one more difference - H616 alarm value is now broken down to days,
hours, minutes and seconds.

Best regards,
Jernej

>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> ---
> drivers/rtc/rtc-sun6i.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
> index 0228e9dfd969..ec0cd0ee539a 100644
> --- a/drivers/rtc/rtc-sun6i.c
> +++ b/drivers/rtc/rtc-sun6i.c
> @@ -382,6 +382,8 @@ static void __init sun50i_h6_rtc_clk_init(struct
device_node *node)
> }
> CLK_OF_DECLARE_DRIVER(sun50i_h6_rtc_clk, "allwinner,sun50i-h6-rtc",
> sun50i_h6_rtc_clk_init);
> +CLK_OF_DECLARE_DRIVER(sun50i_h616_rtc_clk, "allwinner,sun50i-h616-rtc",
> + sun50i_h6_rtc_clk_init);
>
> /*
> * The R40 user manual is self-conflicting on whether the prescaler is
> @@ -773,6 +775,8 @@ static const struct of_device_id sun6i_rtc_dt_ids[] = {
> { .compatible = "allwinner,sun8i-v3-rtc" },
> { .compatible = "allwinner,sun50i-h5-rtc" },
> { .compatible = "allwinner,sun50i-h6-rtc" },
> + { .compatible = "allwinner,sun50i-h616-rtc",
> + .data = (void *)RTC_LINEAR_DAY },
> { /* sentinel */ },
> };
> MODULE_DEVICE_TABLE(of, sun6i_rtc_dt_ids);
> --
> 2.17.5