diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-platform-phy-rcar-gen3-usb2')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-phy-rcar-gen3-usb2 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-phy-rcar-gen3-usb2 b/Documentation/ABI/testing/sysfs-platform-phy-rcar-gen3-usb2 new file mode 100644 index 000000000..bc510ccc3 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-phy-rcar-gen3-usb2 @@ -0,0 +1,17 @@ +What: /sys/devices/platform/<phy-name>/role +Date: October 2016 +KernelVersion: 4.10 +Contact: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> +Description: + This file can be read and write. + The file can show/change the phy mode for role swap of usb. + + Write the following strings to change the mode: + + - "host" - switching mode from peripheral to host. + - "peripheral" - switching mode from host to peripheral. + + Read the file, then it shows the following strings: + + - "host" - The mode is host now. + - "peripheral" - The mode is peripheral now. |