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-rw-r--r--target/linux/ath79/patches-5.4/920-mikrotik-rb4xx.patch72
1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/ath79/patches-5.4/920-mikrotik-rb4xx.patch b/target/linux/ath79/patches-5.4/920-mikrotik-rb4xx.patch
new file mode 100644
index 0000000000..5540b8ae3a
--- /dev/null
+++ b/target/linux/ath79/patches-5.4/920-mikrotik-rb4xx.patch
@@ -0,0 +1,72 @@
+--- a/drivers/mfd/Kconfig
++++ b/drivers/mfd/Kconfig
+@@ -2012,5 +2012,13 @@ 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
+@@ -256,3 +256,4 @@ obj-$(CONFIG_MFD_ROHM_BD70528) += rohm-b
+ obj-$(CONFIG_MFD_ROHM_BD718XX) += rohm-bd718x7.o
+ obj-$(CONFIG_MFD_STMFX) += stmfx.o
+
++obj-$(CONFIG_MFD_RB4XX_CPLD) += rb4xx-cpld.o
+--- a/drivers/gpio/Kconfig
++++ b/drivers/gpio/Kconfig
+@@ -1406,6 +1406,12 @@ config GPIO_SODAVILLE
+ help
+ Say Y here to support Intel Sodaville GPIO.
+
++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 "SPI GPIO expanders"
+--- a/drivers/gpio/Makefile
++++ b/drivers/gpio/Makefile
+@@ -113,6 +113,7 @@ obj-$(CONFIG_GPIO_PL061) += gpio-pl061.
+ obj-$(CONFIG_GPIO_PMIC_EIC_SPRD) += gpio-pmic-eic-sprd.o
+ obj-$(CONFIG_GPIO_PXA) += gpio-pxa.o
+ obj-$(CONFIG_GPIO_RASPBERRYPI_EXP) += gpio-raspberrypi-exp.o
++obj-$(CONFIG_GPIO_RB4XX) += gpio-rb4xx.o
+ obj-$(CONFIG_GPIO_RC5T583) += gpio-rc5t583.o
+ obj-$(CONFIG_GPIO_RCAR) += gpio-rcar.o
+ obj-$(CONFIG_GPIO_RDC321X) += gpio-rdc321x.o
+--- a/drivers/mtd/nand/raw/Kconfig
++++ b/drivers/mtd/nand/raw/Kconfig
+@@ -552,4 +552,11 @@ 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_RAW_NAND
+--- a/drivers/mtd/nand/raw/Makefile
++++ b/drivers/mtd/nand/raw/Makefile
+@@ -58,6 +58,7 @@ obj-$(CONFIG_MTD_NAND_TEGRA) += tegra_n
+ obj-$(CONFIG_MTD_NAND_STM32_FMC2) += stm32_fmc2_nand.o
+ obj-$(CONFIG_MTD_NAND_MESON) += meson_nand.o
+ obj-$(CONFIG_MTD_NAND_AR934X) += ar934x_nand.o
++obj-$(CONFIG_MTD_NAND_RB4XX) += nand_rb4xx.o
+
+ nand-objs := nand_base.o nand_legacy.o nand_bbt.o nand_timings.o nand_ids.o
+ nand-objs += nand_onfi.o