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(parent: 08af112) | patch
dt-bindings: gpio: add raspberry pi GPIO expander binding
authorBaruch Siach <baruch@tkos.co.il>
Tue, 20 Feb 2018 12:19:32 +0000 (14:19 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Thu, 22 Feb 2018 12:48:31 +0000 (13:48 +0100)
commit9777d8099a4a9df1625b4caaee1388c0158478c5
tree99dabb48aa5ec8060ebfaae89d0b0417c14a6a23tree | snapshot
parent08af112e79cab22f318ca0ad1a48187eee5ac2f0commit | diff
dt-bindings: gpio: add raspberry pi GPIO expander binding

The Raspberry Pi 3 GPIO expander is controlled by the VC4 firmware over
I2C. The firmware mailbox interface allows the ARM core to control the
GPIO lines.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Documentation/devicetree/bindings/gpio/raspberrypi,firmware-gpio.txt [new file with mode: 0644] blob
Linux 6.x block layer and io_uring tree(s)