From c5efaf2e88c1c2d60b629d5ab0e670b894cd01d1 Mon Sep 17 00:00:00 2001 From: Alexander Kurz Date: Sat, 11 Oct 2025 06:02:51 +0000 Subject: [PATCH] ARM: dts: imx53: enable PMIC RTC on imx53-qsrb The RTC inside mc34708 is supported by RTC_DRV_MC13XXX since v3.6-rc1. Enable the PMIC RTC on the imx53-qsrb. Without a battery the RTC may be powered via the micro-USB connector when main 5V power is not available. Signed-off-by: Alexander Kurz Signed-off-by: Shawn Guo --- arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts b/arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts index 2f06ad61a7665..6938ad6dbc2ce 100644 --- a/arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts +++ b/arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts @@ -28,6 +28,7 @@ reg = <0x08>; interrupt-parent = <&gpio5>; interrupts = <23 IRQ_TYPE_LEVEL_HIGH>; + fsl,mc13xxx-uses-rtc; regulators { sw1_reg: sw1a { regulator-name = "SW1"; -- 2.47.3