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mfd: Add driver for RAVE Supervisory Processor
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Add a driver for RAVE Supervisory Processor, an MCU implementing
various bits of housekeeping functionality (watchdoging, backlight
control, LED control, etc) on RAVE family of products by Zodiac
Inflight Innovations.

This driver implementes core MFD/serdev device as well as
communication subroutines necessary for commanding the device.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Acked-by: Philippe Ombredanne <pombredanne@nexb.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Andrey Smirnov authored and Lee Jones committed Jan 8, 2018
1 parent 2cb67d2 commit 538ee27
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8 changes: 8 additions & 0 deletions drivers/mfd/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -1859,5 +1859,13 @@ config MFD_VEXPRESS_SYSREG
System Registers are the platform configuration block
on the ARM Ltd. Versatile Express board.

config RAVE_SP_CORE
tristate "RAVE SP MCU core driver"
depends on SERIAL_DEV_BUS
select CRC_CCITT
help
Select this to get support for the Supervisory Processor
device found on several devices in RAVE line of hardware.

endmenu
endif
2 changes: 2 additions & 0 deletions drivers/mfd/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -230,3 +230,5 @@ obj-$(CONFIG_MFD_STM32_LPTIMER) += stm32-lptimer.o
obj-$(CONFIG_MFD_STM32_TIMERS) += stm32-timers.o
obj-$(CONFIG_MFD_MXS_LRADC) += mxs-lradc.o
obj-$(CONFIG_MFD_SC27XX_PMIC) += sprd-sc27xx-spi.o
obj-$(CONFIG_RAVE_SP_CORE) += rave-sp.o

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