Christopher Hill fa70b3a4bb ath79: add Mikrotik rb4xx series drivers ... This adds 3 Mikrotik rb4xx series drivers as follows: rb4xx-cpld: This is in the mfd subsystem, and is the parent CPLD device that interfaces between the SoC SPI bus and its two children below. rb4xx-gpio: This is the GPIO expander. rb4xx-nand: This is the NAND driver. The history of this code comes in three phases. 1. The first is a May 2015 attempt to push the equivalient ar71xx rb4xx drivers upstream. See https://lore.kernel.org/patchwork/patch/940880/. Module-author: Gabor Juhos <juhosg@openwrt.org> Module-author: Imre Kaloz <kaloz@openwrt.org> Module-author: Bert Vermeulen <bert@biot.com> 2. Next several ar71xx patches were applied bringing the code current. commit 7bbf4117c6 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> commit af79fdbe4a commit 889272d92d commit e21cb649a2 commit 7c09fa4a74 Signed-off-by: Felix Fietkau <nbd@nbd.name> 3. Finally a heavy refactor to split the driver into the three new subsystems, and updated to work with the device tree configuration, plus updates and review feedback incorporated Reviewed-by: Thibaut VARÈNE <hacks@slashdirt.org> Signed-off-by: Christopher Hill <ch6574@gmail.com>		2020-06-15 21:16:18 +02:00
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gpio-rb4xx.c	ath79: add Mikrotik rb4xx series drivers	2020-06-15 21:16:18 +02:00