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authorChen-Yu Tsai <wens@csie.org>2015-10-23 21:41:31 +0300
committerOlof Johansson <olof@lixom.net>2015-10-26 04:11:58 +0300
commitd787dcdb9c8f412b1dd0727f90d3f793a61a2551 (patch)
tree3b669ed7853d932211a794bb2b929a7428b3a067 /drivers/bus/Kconfig
parent4a5705a9c270e6e62f735846604d8593a890ca1b (diff)
downloadlinux-d787dcdb9c8f412b1dd0727f90d3f793a61a2551.tar.xz
bus: sunxi-rsb: Add driver for Allwinner Reduced Serial Bus
Reduced Serial Bus (RSB) is an Allwinner proprietery interface used to communicate with PMICs and other peripheral ICs. RSB is a two-wire push-pull serial bus that supports 1 master device and up to 15 active slave devices. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Reviewed-by: Mark Brown <broonie@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/bus/Kconfig')
-rw-r--r--drivers/bus/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index 1a82f3a17681..78382de19ed9 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -121,6 +121,17 @@ config SIMPLE_PM_BUS
Controller (BSC, sometimes called "LBSC within Bus Bridge", or
"External Bus Interface") as found on several Renesas ARM SoCs.
+config SUNXI_RSB
+ tristate "Allwinner sunXi Reduced Serial Bus Driver"
+ default MACH_SUN8I || MACH_SUN9I
+ depends on ARCH_SUNXI
+ select REGMAP
+ help
+ Say y here to enable support for Allwinner's Reduced Serial Bus
+ (RSB) support. This controller is responsible for communicating
+ with various RSB based devices, such as AXP223, AXP8XX PMICs,
+ and AC100/AC200 ICs.
+
config VEXPRESS_CONFIG
bool "Versatile Express configuration bus"
default y if ARCH_VEXPRESS