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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2014-07-22 23:27:14 +0400
committerKishon Vijay Abraham I <kishon@ti.com>2014-09-24 15:18:31 +0530
commit1233f59f745b237d85f12aa9cf12ffab469f322d (patch)
tree933473b42ec28e4ffcd9ea598b384aca6056d5a1 /drivers/phy/Kconfig
parent452b6361c4d9baf6940adb7b1316e0f386c39799 (diff)
downloadlinux-1233f59f745b237d85f12aa9cf12ffab469f322d.tar.bz2
phy: Renesas R-Car Gen2 PHY driver
This PHY, though formally being a part of Renesas USBHS controller, contains the UGCTRL2 register that controls multiplexing of the USB ports (Renesas calls them channels) to the different USB controllers: channel 0 can be connected to either PCI EHCI/OHCI or USBHS controllers, channel 2 can be connected to PCI EHCI/OHCI or xHCI controllers. This is a new driver for this USB PHY currently already supported under drivers/ usb/phy/. The reason for writing the new driver was the requirement that the multiplexing of USB channels to the controller be dynamic, depending on what USB drivers are loaded, rather than static as provided by the old driver. The infrastructure provided by drivers/phy/phy-core.c seems to fit that purpose ideally. The new driver only supports device tree probing for now. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy/Kconfig')
-rw-r--r--drivers/phy/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index f833aa271a2e..1802fa767aa5 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -48,6 +48,13 @@ config PHY_MIPHY365X
Enable this to support the miphy transceiver (for SATA/PCIE)
that is part of STMicroelectronics STiH41x SoC series.
+config PHY_RCAR_GEN2
+ tristate "Renesas R-Car generation 2 USB PHY driver"
+ depends on ARCH_SHMOBILE
+ depends on GENERIC_PHY
+ help
+ Support for USB PHY found on Renesas R-Car generation 2 SoCs.
+
config OMAP_CONTROL_PHY
tristate "OMAP CONTROL PHY Driver"
depends on ARCH_OMAP2PLUS || COMPILE_TEST