diff options
| author | Roger Quadros <rogerq@ti.com> | 2016-09-20 17:53:55 +0300 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2016-11-20 15:22:39 +0300 |
| commit | 541332a13b1ded42097ba96c52c7bc70931e528c (patch) | |
| tree | 40ccb2e8f4ff55da6f157211a300599c58c06508 /Documentation/devicetree/bindings/gpio | |
| parent | a25f0944ba9b1d8a6813fd6f1a86f1bd59ac25a6 (diff) | |
| download | linux-541332a13b1ded42097ba96c52c7bc70931e528c.tar.xz | |
extcon: usb-gpio: Add VBUS detection support
Driver can now work with both ID and VBUS pins or either one of
them.
There can be the following 3 cases
1) Both ID and VBUS GPIOs are available:
ID = LOW -> USB_HOST active, USB inactive
ID = HIGH -> USB_HOST inactive, USB state is same as VBUS.
2) Only ID GPIO is available:
ID = LOW -> USB_HOST active, USB inactive
ID = HIGH -> USB_HOST inactive, USB active
3) Only VBUS GPIO is available:
VBUS = LOW -> USB_HOST inactive, USB inactive
VBUS = HIGH -> USB_HOST inactive, USB active
Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
0 files changed, 0 insertions, 0 deletions