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 <akurz@blala.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts b/arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts
index 2f06ad61a76650286a21cbb92b4b1844af337c61..6938ad6dbc2ce8f06165bf3240e70bfca520ea8d 100644 (file)
--- 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";