1*928c4bdfSGovindraj.RReference code ""drivers/usb/ulpi/omap-ulpi-viewport.c" 2*928c4bdfSGovindraj.R 3*928c4bdfSGovindraj.RContains the ulpi read write api's to perform 4*928c4bdfSGovindraj.Rany ulpi phy port access on omap platform. 5*928c4bdfSGovindraj.R 6*928c4bdfSGovindraj.ROn omap ehci reg map contains INSNREG05_ULPI 7*928c4bdfSGovindraj.Rregister which offers the ulpi phy access so 8*928c4bdfSGovindraj.Rany ulpi phy commands should be passsed using this 9*928c4bdfSGovindraj.Rregister. 10*928c4bdfSGovindraj.R 11*928c4bdfSGovindraj.Romap-ulpi-viewport.c is a low level function 12*928c4bdfSGovindraj.Rimplementation of "drivers/usb/ulpi/ulpi.c" 13*928c4bdfSGovindraj.R 14*928c4bdfSGovindraj.RTo enable and use omap-ulpi-viewport.c 15*928c4bdfSGovindraj.Rwe require CONFIG_USB_ULPI_VIEWPORT_OMAP and 16*928c4bdfSGovindraj.RCONFIG_USB_ULPI be enabled in config file. 17*928c4bdfSGovindraj.R 18*928c4bdfSGovindraj.RAny ulpi ops request can be done with ulpi.c 19*928c4bdfSGovindraj.Rand soc specific binding and usage is done with 20*928c4bdfSGovindraj.Romap-ulpi-viewport implementation. 21*928c4bdfSGovindraj.R 22*928c4bdfSGovindraj.REx: scenario: 23*928c4bdfSGovindraj.Romap-ehci driver code requests for ulpi phy reset if 24*928c4bdfSGovindraj.Rehci is used in phy mode, which will call ulpi phy reset 25*928c4bdfSGovindraj.Rthe ulpi phy reset does ulpi_read/write from viewport 26*928c4bdfSGovindraj.Rimplementation which will do ulpi reset using the 27*928c4bdfSGovindraj.RINSNREG05_ULPI register. 28