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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)
committerKhalid Elmously <khalid.elmously@canonical.com>
Fri, 16 Feb 2018 22:11:02 +0000 (17:11 -0500)
commit0dc6f1dc01adfa50d92df90b2cdc57691a319a30
treec530d0e01618e532f282a5e30d55024c09a696c9tree
parentb26de90f059aeeb03e7f899b58637c238a2bbe12commit | diff
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>
drivers/gpio/Kconfig diff | blob | blame | history
drivers/gpio/Makefile diff | blob | blame | history
drivers/gpio/gpio-bcm-exp.c [new file with mode: 0644] blob
include/soc/bcm2835/raspberrypi-firmware.h diff | blob | blame | history
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