--- zzzz-none-000/linux-4.1.52/drivers/mtd/nand/Kconfig	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/drivers/mtd/nand/Kconfig	2022-03-02 11:37:13.000000000 +0000
@@ -394,6 +394,16 @@
 	 block, such as SD card. So pay attention to it when you enable
 	 the GPMI.
 
+if BCM_KF_MTD_BCMNAND
+config MTD_NAND_BRCMNAND
+	tristate "Broadcom STB NAND controller"
+	depends on ARM || MIPS || ARM64
+	help
+	  Enables the Broadcom NAND controller driver. The controller was
+	  originally designed for Set-Top Box but is used on various BCM7xxx,
+	  BCM3xxx, BCM63xxx, iProc/Cygnus and more.
+endif
+
 config MTD_NAND_BCM47XXNFLASH
 	tristate "Support for NAND flash on BCM4706 BCMA bus"
 	depends on BCMA_NFLASH