phy: meson: add GXBB PHY driver

This adds support for the USB PHY found on Amlogic GXBB SoCs.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index a72f34f..1e38c87 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -154,6 +154,14 @@
 	  between an HS USB OTG controller and an HS USB Host controller,
 	  selected by an USB switch.
 
+config MESON_GXBB_USB_PHY
+	bool "Amlogic Meson GXBB USB PHY"
+	depends on PHY && ARCH_MESON && MESON_GXBB
+	imply REGMAP
+	help
+	  This is the generic phy driver for the Amlogic Meson GXBB
+	  USB2 PHY.
+
 config MESON_GXL_USB_PHY
 	bool "Amlogic Meson GXL USB PHYs"
 	depends on PHY && ARCH_MESON && (MESON_GXL || MESON_GXM)