diff --git a/configs/at91sam9n12ek_mmc_defconfig b/configs/at91sam9n12ek_mmc_defconfig
index 075daa79d3..308f097b60 100644
--- a/configs/at91sam9n12ek_mmc_defconfig
+++ b/configs/at91sam9n12ek_mmc_defconfig
@@ -47,6 +47,8 @@ CONFIG_NAND_ATMEL=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_KS8851_MLL=y
+CONFIG_KS8851_MLL_BASEADDR=0x30000000
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_AT91=y
 CONFIG_DM_SERIAL=y
diff --git a/configs/at91sam9n12ek_nandflash_defconfig b/configs/at91sam9n12ek_nandflash_defconfig
index b02be84493..fd6d13db9b 100644
--- a/configs/at91sam9n12ek_nandflash_defconfig
+++ b/configs/at91sam9n12ek_nandflash_defconfig
@@ -48,6 +48,8 @@ CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_KS8851_MLL=y
+CONFIG_KS8851_MLL_BASEADDR=0x30000000
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_AT91=y
 CONFIG_DM_SERIAL=y
diff --git a/configs/at91sam9n12ek_spiflash_defconfig b/configs/at91sam9n12ek_spiflash_defconfig
index be8ef51a2d..97e29bdc6e 100644
--- a/configs/at91sam9n12ek_spiflash_defconfig
+++ b/configs/at91sam9n12ek_spiflash_defconfig
@@ -49,6 +49,8 @@ CONFIG_NAND_ATMEL=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_KS8851_MLL=y
+CONFIG_KS8851_MLL_BASEADDR=0x30000000
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_AT91=y
 CONFIG_DM_SERIAL=y
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index f7855c92d3..0b08de0ef4 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -307,6 +307,20 @@ config FSLDMAFEC
 	  This driver supports the network interface units in the
 	  ColdFire family.
 
+config KS8851_MLL
+	bool "Microchip KS8851-MLL controller driver"
+	help
+	  The Microchip KS8851 parallel bus external ethernet interface chip.
+
+if KS8851_MLL
+if !DM_ETH
+config KS8851_MLL_BASEADDR
+	hex "Microchip KS8851-MLL Base Address"
+	help
+	  Define this to hold the physical address of the device (I/O space)
+endif #DM_ETH
+endif #KS8851_MLL
+
 config MVGBE
 	bool "Marvell Orion5x/Kirkwood network interface support"
 	depends on ARCH_KIRKWOOD || ARCH_ORION5X
diff --git a/include/configs/at91sam9n12ek.h b/include/configs/at91sam9n12ek.h
index 7ee569521e..706217fef9 100644
--- a/include/configs/at91sam9n12ek.h
+++ b/include/configs/at91sam9n12ek.h
@@ -63,9 +63,6 @@
 	"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
 
 /* Ethernet */
-#define CONFIG_KS8851_MLL
-#define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
-
 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
 
 /* USB host */
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 3f5e6504e1..9b6b45116a 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -942,8 +942,6 @@ CONFIG_KONA
 CONFIG_KONA_GPIO
 CONFIG_KONA_RESET_S
 CONFIG_KPROBES
-CONFIG_KS8851_MLL
-CONFIG_KS8851_MLL_BASEADDR
 CONFIG_KSNAV_NETCP_PDMA_CTRL_BASE
 CONFIG_KSNAV_NETCP_PDMA_RX_BASE
 CONFIG_KSNAV_NETCP_PDMA_RX_CH_NUM