Re: [PATCH 0/2] arm64: dts: imx91/imx93: add rtc1 alias for external PCF2131 RTC

From: Frank . Li

Date: Wed Sep 23 2026 - 16:50:03 EST


From: Frank Li <Frank.Li@xxxxxxx>


On Mon, 14 Sep 2026 11:21:06 +0800, Joy Zou wrote:
> Only rtc0 was aliased to the internal bbnsm_rtc, while the external
> PCF2131 RTC had no fixed index. When both RTC drivers are built as
> modules, the pcf2131 may probe first and take rtc0, pushing bbnsm_rtc
> to rtc1. Since suspend/resume wakeup relies on the internal bbnsm RTC
> being rtc0, this broke wakeup.
>
> Add an rtc1 alias for the PCF2131 on the i.MX91 and i.MX93 EVK/QSB
> boards, so the external RTC keeps a fixed index while bbnsm_rtc always
> stays rtc0.
>
> [...]

Applied, thanks!

[1/2] arm64: dts: imx91-evk/qsb: add rtc1 alias for external PCF2131 RTC
commit: 92fd18d609ff13e27ab9d19c4764633acde593ec
[2/2] arm64: dts: imx93-evk/qsb: add rtc1 alias for external PCF2131 RTC
commit: fa7d47a05b464c5ec3af39ebd06b8b73abaa42ff

Best regards,
--
Frank Li <Frank.Li@xxxxxxx>