--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -341,6 +341,13 @@ config GPIO_IXP4XX
 	  IXP4xx series of chips.
 
 	  If unsure, say N.
+
+config GPIO_LATCH
+	tristate "MikroTik RouterBOARD GPIO latch support"
+	depends on ATH79
+	help
+	  GPIO driver for latch on some MikroTik RouterBOARDs.
+
 config GPIO_LOGICVC
 	tristate "Xylon LogiCVC GPIO support"
 	depends on MFD_SYSCON && OF
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -72,6 +72,7 @@ obj-$(CONFIG_GPIO_IT87)			+= gpio-it87.o
 obj-$(CONFIG_GPIO_IXP4XX)		+= gpio-ixp4xx.o
 obj-$(CONFIG_GPIO_JANZ_TTL)		+= gpio-janz-ttl.o
 obj-$(CONFIG_GPIO_KEMPLD)		+= gpio-kempld.o
+obj-$(CONFIG_GPIO_LATCH)		+= gpio-latch.o
 obj-$(CONFIG_GPIO_LOGICVC)		+= gpio-logicvc.o
 obj-$(CONFIG_GPIO_LOONGSON1)		+= gpio-loongson1.o
 obj-$(CONFIG_GPIO_LOONGSON)		+= gpio-loongson.o
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -571,4 +571,10 @@ config MTD_NAND_RB4XX
 	  Enables support for the NAND flash chip on Mikrotik Routerboard
 	  RB4xx series.
 
+config MTD_NAND_RB91X
+	tristate "MikroTik RB91x NAND driver support"
+	depends on ATH79 && MTD_RAW_NAND
+	help
+	  Enables support for the NAND flash chip on MikroTik RB91x series.
+
 endif # MTD_RAW_NAND
--- a/drivers/mtd/nand/raw/Makefile
+++ b/drivers/mtd/nand/raw/Makefile
@@ -60,6 +60,7 @@ obj-$(CONFIG_MTD_NAND_CADENCE)		+= caden
 obj-$(CONFIG_MTD_NAND_ARASAN)		+= arasan-nand-controller.o
 obj-$(CONFIG_MTD_NAND_AR934X)		+= ar934x_nand.o
 obj-$(CONFIG_MTD_NAND_RB4XX)		+= nand_rb4xx.o
+obj-$(CONFIG_MTD_NAND_RB91X)		+= rb91x_nand.o
 
 nand-objs := nand_base.o nand_legacy.o nand_bbt.o nand_timings.o nand_ids.o
 nand-objs += nand_onfi.o