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When both drivers are modules, the pcf2131 may register first and take rtc0, pushing bbnsm_rtc to rtc1. Since suspend/resume wakeup relies on the internal bbnsm RTC at rtc0, this broke wakeup. Add rtc1 alias for the pcf2131 on imx91-11x11-evk and imx91-9x9-qsb, so it keeps a fixed index while bbnsm_rtc stays rtc0. Signed-off-by: Joy Zou --- arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts | 1 + arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts b/arch/arm64= /boot/dts/freescale/imx91-11x11-evk.dts index 5716febb5a50..ea7852da43b9 100644 --- a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts @@ -25,6 +25,7 @@ aliases { mmc1 =3D &usdhc2; mmc2 =3D &usdhc3; rtc0 =3D &bbnsm_rtc; + rtc1 =3D &pcf2131; serial0 =3D &lpuart1; serial1 =3D &lpuart2; serial2 =3D &lpuart3; diff --git a/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts b/arch/arm64/b= oot/dts/freescale/imx91-9x9-qsb.dts index f1ed7983226b..b7f0e39b867a 100644 --- a/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts +++ b/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts @@ -23,6 +23,7 @@ aliases { mmc0 =3D &usdhc1; mmc1 =3D &usdhc2; rtc0 =3D &bbnsm_rtc; + rtc1 =3D &pcf2131; serial0 =3D &lpuart1; 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When both drivers are modules, the pcf2131 may register first and take rtc0, pushing bbnsm_rtc to rtc1. Since suspend/resume wakeup relies on the internal bbnsm RTC at rtc0, this broke wakeup. Add rtc1 alias for the pcf2131 on imx93-11x11-evk and imx93-9x9-qsb, so it keeps a fixed index while bbnsm_rtc stays rtc0. Signed-off-by: Joy Zou --- arch/arm64/boot/dts/freescale/imx93-11x11-evk-common.dtsi | 1 + arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk-common.dtsi b/ar= ch/arm64/boot/dts/freescale/imx93-11x11-evk-common.dtsi index f48e7947cf64..2f3f9ebd3345 100644 --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk-common.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk-common.dtsi @@ -18,6 +18,7 @@ aliases { mmc0 =3D &usdhc1; mmc1 =3D &usdhc2; rtc0 =3D &bbnsm_rtc; + rtc1 =3D &pcf2131; serial0 =3D &lpuart1; serial1 =3D &lpuart2; serial2 =3D &lpuart3; diff --git a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts b/arch/arm64/b= oot/dts/freescale/imx93-9x9-qsb.dts index 01c11c517986..4e31a78963fe 100644 --- a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts +++ b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts @@ -28,6 +28,7 @@ aliases { mmc0 =3D &usdhc1; mmc1 =3D &usdhc2; rtc0 =3D &bbnsm_rtc; + rtc1 =3D &pcf2131; serial0 =3D &lpuart1; serial1 =3D &lpuart2; serial2 =3D &lpuart3; @@ -306,7 +307,7 @@ typec1_dr_sw: endpoint { }; }; =20 - rtc@53 { + pcf2131: rtc@53 { compatible =3D "nxp,pcf2131"; reg =3D <0x53>; interrupt-parent =3D <&pcal6524>; --=20 2.34.1