bcm2835-gpio-exp: Driver for GPIO expander via mailbox service
authorDave Stevenson <dave.stevenson@raspberrypi.org>
Mon, 20 Feb 2017 17:01:21 +0000 (17:01 +0000)
committerpopcornmix <popcornmix@gmail.com>
Wed, 1 Mar 2017 17:56:00 +0000 (17:56 +0000)
commit5d1da107bc619c1cc091ee5301f85cd89a6d92fb
tree3c078650e85f61d8c64339d807383e11d4f0ea2a
parent0c6ddbcbebbac73b3f6e66c1be46547c1b6b3951
bcm2835-gpio-exp: Driver for GPIO expander via mailbox service

Pi3 and Compute Module 3 have a GPIO expander that the
VPU communicates with.
There is a mailbox service that now allows control of this
expander, so add a kernel driver that can make use of it.

Pwr_led node added to device-tree for Pi3.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
arch/arm/boot/dts/bcm2710-rpi-3-b.dts
arch/arm/boot/dts/bcm2710-rpi-cm3.dts
arch/arm/configs/bcm2709_defconfig
drivers/gpio/Kconfig
drivers/gpio/Makefile
drivers/gpio/gpio-bcm-exp.c [new file with mode: 0644]
include/soc/bcm2835/raspberrypi-firmware.h