1What: /sys/devices/platform/<renesas_usb3's name>/role 2Date: March 2017 3KernelVersion: 4.13 4Contact: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> 5Description: 6 This file can be read and write. 7 The file can show/change the drd mode of usb. 8 9 Write the following string to change the mode: 10 "host" - switching mode from peripheral to host. 11 "peripheral" - switching mode from host to peripheral. 12 13 Read the file, then it shows the following strings: 14 "host" - The mode is host now. 15 "peripheral" - The mode is peripheral now. 16