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-rw-r--r--target/linux/ath79/patches-4.19/920-mikrotik-rb4xx.patch69
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/ath79/patches-4.19/920-mikrotik-rb4xx.patch b/target/linux/ath79/patches-4.19/920-mikrotik-rb4xx.patch
new file mode 100644
index 0000000000..8d84b9e1cd
--- /dev/null
+++ b/target/linux/ath79/patches-4.19/920-mikrotik-rb4xx.patch
@@ -0,0 +1,69 @@
+--- a/drivers/mfd/Kconfig
++++ b/drivers/mfd/Kconfig
+@@ -1899,5 +1899,13 @@ config RAVE_SP_CORE
+ Select this to get support for the Supervisory Processor
+ device found on several devices in RAVE line of hardware.
+
++config MFD_RB4XX_CPLD
++ tristate "CPLD driver for Mikrotik RB4xx series boards
++ select MFD_CORE
++ depends on ATH79 || COMPILE_TEST
++ help
++ Enables support for the CPLD chip (NAND & GPIO) on Mikrotik
++ Routerboard RB4xx series.
++
+ endmenu
+ endif
+--- a/drivers/mfd/Makefile
++++ b/drivers/mfd/Makefile
+@@ -241,3 +241,4 @@ obj-$(CONFIG_MFD_SC27XX_PMIC) += sprd-sc
+ obj-$(CONFIG_RAVE_SP_CORE) += rave-sp.o
+ obj-$(CONFIG_MFD_ROHM_BD718XX) += rohm-bd718x7.o
+
++obj-$(CONFIG_MFD_RB4XX_CPLD) += rb4xx-cpld.o
+--- a/drivers/gpio/Kconfig
++++ b/drivers/gpio/Kconfig
+@@ -1371,6 +1371,12 @@ config GPIO_XRA1403
+ help
+ GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander.
+
++config GPIO_RB4XX
++ tristate "GPIO expander for Mikrotik RB4xx series boards"
++ depends on MFD_RB4XX_CPLD
++ help
++ GPIO driver for Mikrotik Routerboard RB4xx series.
++
+ endmenu
+
+ menu "USB GPIO expanders"
+--- a/drivers/gpio/Makefile
++++ b/drivers/gpio/Makefile
+@@ -159,3 +159,4 @@ obj-$(CONFIG_GPIO_ZEVIO) += gpio-zevio.o
+ obj-$(CONFIG_GPIO_ZYNQ) += gpio-zynq.o
+ obj-$(CONFIG_GPIO_ZX) += gpio-zx.o
+ obj-$(CONFIG_GPIO_LOONGSON1) += gpio-loongson1.o
++obj-$(CONFIG_GPIO_RB4XX) += gpio-rb4xx.o
+--- a/drivers/mtd/nand/raw/Kconfig
++++ b/drivers/mtd/nand/raw/Kconfig
+@@ -569,4 +569,11 @@ config MTD_NAND_AR934X
+ Enables support for NAND controller on Qualcomm Atheros SoCs.
+ This controller is found on AR934x and QCA955x SoCs.
+
++config MTD_NAND_RB4XX
++ tristate "Support for NAND driver for Mikrotik RB4xx series boards"
++ depends on MFD_RB4XX_CPLD
++ help
++ Enables support for the NAND flash chip on Mikrotik Routerboard
++ RB4xx series.
++
+ endif # MTD_NAND
+--- a/drivers/mtd/nand/raw/Makefile
++++ b/drivers/mtd/nand/raw/Makefile
+@@ -58,6 +58,7 @@ obj-$(CONFIG_MTD_NAND_QCOM) += qcom_nan
+ obj-$(CONFIG_MTD_NAND_MTK) += mtk_ecc.o mtk_nand.o
+ obj-$(CONFIG_MTD_NAND_TEGRA) += tegra_nand.o
+ obj-$(CONFIG_MTD_NAND_AR934X) += ar934x_nand.o
++obj-$(CONFIG_MTD_NAND_RB4XX) += nand_rb4xx.o
+
+ nand-objs := nand_base.o nand_bbt.o nand_timings.o nand_ids.o
+ nand-objs += nand_amd.o