18c2ecf20Sopenharmony_ciWhat:		/sys/devices/platform/<renesas_usb3's name>/role
28c2ecf20Sopenharmony_ciDate:		March 2017
38c2ecf20Sopenharmony_ciKernelVersion:	4.13
48c2ecf20Sopenharmony_ciContact:	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
58c2ecf20Sopenharmony_ciDescription:
68c2ecf20Sopenharmony_ci		This file can be read and write.
78c2ecf20Sopenharmony_ci		The file can show/change the drd mode of usb.
88c2ecf20Sopenharmony_ci
98c2ecf20Sopenharmony_ci		Write the following string to change the mode:
108c2ecf20Sopenharmony_ci
118c2ecf20Sopenharmony_ci		- "host" - switching mode from peripheral to host.
128c2ecf20Sopenharmony_ci		- "peripheral" - switching mode from host to peripheral.
138c2ecf20Sopenharmony_ci
148c2ecf20Sopenharmony_ci		Read the file, then it shows the following strings:
158c2ecf20Sopenharmony_ci		
168c2ecf20Sopenharmony_ci		- "host" - The mode is host now.
178c2ecf20Sopenharmony_ci		- "peripheral" - The mode is peripheral now.
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