summaryrefslogtreecommitdiffstats
path: root/Documentation/ABI/testing/sysfs-platform-phy-rcar-gen3-usb2
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/ABI/testing/sysfs-platform-phy-rcar-gen3-usb2')
-rw-r--r--Documentation/ABI/testing/sysfs-platform-phy-rcar-gen3-usb215
1 files changed, 15 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..6212697bb
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-phy-rcar-gen3-usb2
@@ -0,0 +1,15 @@
+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.