162306a36Sopenharmony_ciWhat:		/sys/devices/platform/<renesas_usb3's name>/role
262306a36Sopenharmony_ciDate:		March 2017
362306a36Sopenharmony_ciKernelVersion:	4.13
462306a36Sopenharmony_ciContact:	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
562306a36Sopenharmony_ciDescription:
662306a36Sopenharmony_ci		This file can be read and write.
762306a36Sopenharmony_ci		The file can show/change the drd mode of usb.
862306a36Sopenharmony_ci
962306a36Sopenharmony_ci		Write the following string to change the mode:
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_ci		- "host" - switching mode from peripheral to host.
1262306a36Sopenharmony_ci		- "peripheral" - switching mode from host to peripheral.
1362306a36Sopenharmony_ci
1462306a36Sopenharmony_ci		Read the file, then it shows the following strings:
1562306a36Sopenharmony_ci
1662306a36Sopenharmony_ci		- "host" - The mode is host now.
1762306a36Sopenharmony_ci		- "peripheral" - The mode is peripheral now.
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