usb: phy: add R-Car USB phy driver

This patch adds Renesas R-Car USB phy driver.
It supports R8A7779 chip at this point.

R-Car has some USB controllers, but has only one phy-initializer.
So, this driver is counting users.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 63c339b3e676..7eb73c561bd2 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -32,3 +32,15 @@ config MV_U3D_PHY
         help
           Enable this to support Marvell USB 3.0 phy controller for Marvell
           SoC.
+
+config USB_RCAR_PHY
+        tristate "Renesas R-Car USB phy support"
+        depends on USB || USB_GADGET
+        select USB_OTG_UTILS
+        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
+
+          To compile this driver as a module, choose M here: the
+          module will be called rcar-phy.