diff --git a/arch/powerpc/configs/corenet32_smp_defconfig b/arch/powerpc/configs/corenet32_smp_defconfig
index 44e53a4e2106..5242355eaf00 100644
--- a/arch/powerpc/configs/corenet32_smp_defconfig
+++ b/arch/powerpc/configs/corenet32_smp_defconfig
@@ -100,6 +100,7 @@ CONFIG_AT803X_PHY=y
 CONFIG_VITESSE_PHY=y
 CONFIG_FIXED_PHY=y
 CONFIG_MDIO_BUS_MUX_GPIO=y
+CONFIG_MDIO_BUS_MUX_MMIOREG=y
 # CONFIG_INPUT_MOUSEDEV is not set
 # CONFIG_INPUT_KEYBOARD is not set
 # CONFIG_INPUT_MOUSE is not set
diff --git a/arch/powerpc/configs/corenet64_smp_defconfig b/arch/powerpc/configs/corenet64_smp_defconfig
index 3bf794be5b81..3d694d233de4 100644
--- a/arch/powerpc/configs/corenet64_smp_defconfig
+++ b/arch/powerpc/configs/corenet64_smp_defconfig
@@ -94,6 +94,7 @@ CONFIG_E1000E=y
 CONFIG_VITESSE_PHY=y
 CONFIG_FIXED_PHY=y
 CONFIG_MDIO_BUS_MUX_GPIO=y
+CONFIG_MDIO_BUS_MUX_MMIOREG=y
 CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_MOUSEDEV is not set
 # CONFIG_INPUT_KEYBOARD is not set
diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c
index 382058908910..9824d2cf79bd 100644
--- a/arch/powerpc/platforms/85xx/corenet_generic.c
+++ b/arch/powerpc/platforms/85xx/corenet_generic.c
@@ -90,6 +90,12 @@ static const struct of_device_id of_device_ids[] = {
 	{
 		.compatible	= "mdio-mux-gpio"
 	},
+	{
+		.compatible	= "fsl,fpga-ngpixis"
+	},
+	{
+		.compatible	= "fsl,fpga-qixis"
+	},
 	{
 		.compatible	= "fsl,srio",
 	},