diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts
index e48cfa740c8aebaa35cb1cc7453bf0e607ea64a9..c5d546a61f5b125a5ae3f6fa0d4deb1a7efa0e52 100644
--- a/arch/powerpc/boot/dts/gef_sbc610.dts
+++ b/arch/powerpc/boot/dts/gef_sbc610.dts
@@ -119,6 +119,11 @@
 			interrupt-parent = <&mpic>;
 			dfsrr;
 
+			rtc@51 {
+				compatible = "epson,rx8581";
+				reg = <0x00000051>;
+			};
+
 			eti@6b {
 				compatible = "dallas,ds1682";
 				reg = <0x6b>;
diff --git a/arch/powerpc/configs/86xx/gef_sbc610_defconfig b/arch/powerpc/configs/86xx/gef_sbc610_defconfig
index 07ccaf89f3793bf53006c0f8e2a011671e47766f..cd1ffa44932779daa077f8cd229243f3ad8e2a3d 100644
--- a/arch/powerpc/configs/86xx/gef_sbc610_defconfig
+++ b/arch/powerpc/configs/86xx/gef_sbc610_defconfig
@@ -1397,8 +1397,11 @@ CONFIG_USB_STORAGE=y
 # CONFIG_ACCESSIBILITY is not set
 # CONFIG_INFINIBAND is not set
 # CONFIG_EDAC is not set
-CONFIG_RTC_LIB=m
-CONFIG_RTC_CLASS=m
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
 
 #
 # RTC interfaces
@@ -1424,6 +1427,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_M41T80 is not set
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
+CONFIG_RTC_DRV_RX8581=y
 
 #
 # SPI RTC drivers