ath79: add NAND driver for MikroTik RB91xG series

Main part is copied from ar71xx original driver rb91x_nand
written by Gabor Juhos <juhosg@openwrt.org>.

What is done:
* Support of kernel 5.4 and 5.10,
* DTS support,
* New gpio API (gpiod_*) support.

Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: Denis Kalashnikov <denis281089@gmail.com>
This commit is contained in:
Denis Kalashnikov
2021-05-27 11:16:45 +03:00
committed by Koen Vandeputte
parent 7b8931678c
commit 820e660cd7
4 changed files with 420 additions and 0 deletions

View File

@@ -24,3 +24,26 @@
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