2024-02-05 10:18:45

by Shawn Guo

[permalink] [raw]
Subject: Re: [PATCH] ARM: dts: imx6qdl-hummingboard: Add rtc0 and rtc1 aliases to fix hctosys

On Thu, Jan 18, 2024 at 04:01:10PM +0100, Josua Mayer wrote:
> HummingBoard has two RTCs, first integrated within SoC that can be used to
> wake up from sleep - and a second on the carrier board including back-up
> battery which is intended for keeping time during power-off.
>
> Add aliases for both, ensuring that the battery-backed clock is primary
> rtc and used by default during boot for restoring system time.
>
> Fixes keeping time across power-cycle observed on Debian,
> which sets RTC_HCTOSYS_DEVICE="rtc0".
>
> Signed-off-by: Josua Mayer <[email protected]>

Applied, thanks!