diff --git a/arch/arm/mach-omap2/voltagedomains44xx_data.c b/arch/arm/mach-omap2/voltagedomains44xx_data.c
index 95e1ce5..9a17b5e 100644
--- a/arch/arm/mach-omap2/voltagedomains44xx_data.c
+++ b/arch/arm/mach-omap2/voltagedomains44xx_data.c
@@ -86,10 +86,15 @@
 	.vdd = &omap4_vdd_core_info,
 };
 
+static struct voltagedomain omap4_voltdm_wkup = {
+	.name = "wakeup",
+};
+
 static struct voltagedomain *voltagedomains_omap4[] __initdata = {
 	&omap4_voltdm_mpu,
 	&omap4_voltdm_iva,
 	&omap4_voltdm_core,
+	&omap4_voltdm_wkup,
 	NULL,
 };