diff options
| author | Baruch Siach <baruch@tkos.co.il> | 2018-02-20 14:19:32 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-02-22 13:48:31 +0100 |
| commit | 9777d8099a4a9df1625b4caaee1388c0158478c5 (patch) | |
| tree | 99dabb48aa5ec8060ebfaae89d0b0417c14a6a23 /Documentation/x86 | |
| parent | 08af112e79cab22f318ca0ad1a48187eee5ac2f0 (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>
Diffstat (limited to 'Documentation/x86')
0 files changed, 0 insertions, 0 deletions