diff options
Diffstat (limited to 'drivers/usb/phy/Kconfig')
| -rw-r--r-- | drivers/usb/phy/Kconfig | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index 7ef3eb8617a..3622fff8b79 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -4,11 +4,17 @@ menuconfig USB_PHY bool "USB Physical Layer drivers" help - USB controllers (those which are host, device or DRD) need a - device to handle the physical layer signalling, commonly called - a PHY. + Most USB controllers have the physical layer signalling part + (commonly called a PHY) built in. However, dual-role devices + (a.k.a. USB on-the-go) which support being USB master or slave + with the same connector often use an external PHY. - The following drivers add support for such PHY devices. + The drivers in this submenu add support for such PHY devices. + They are not needed for standard master-only (or the vast + majority of slave-only) USB interfaces. + + If you're not sure if this applies to you, it probably doesn't; + say N here. if USB_PHY @@ -86,7 +92,7 @@ config OMAP_USB3 on/off the PHY. config SAMSUNG_USBPHY - tristate "Samsung USB PHY Driver" + tristate help Enable this to support Samsung USB phy helper driver for Samsung SoCs. This driver provides common interface to interact, for Samsung USB 2.0 PHY @@ -180,15 +186,15 @@ config USB_MXS_PHY MXS Phy is used by some of the i.MX SoCs, for example imx23/28/6x. config USB_RCAR_PHY - tristate "Renesas R-Car USB phy support" + tristate "Renesas R-Car USB PHY support" depends on USB || USB_GADGET help - Say Y here to add support for the Renesas R-Car USB phy driver. - This chip is typically used as USB phy for USB host, gadget. - This driver supports: R8A7779 + Say Y here to add support for the Renesas R-Car USB common PHY driver. + This chip is typically used as USB PHY for USB host, gadget. + This driver supports R8A7778 and R8A7779. To compile this driver as a module, choose M here: the - module will be called rcar-phy. + module will be called phy-rcar-usb. config USB_ULPI bool "Generic ULPI Transceiver Driver" |