usb: otg: add basic mxs phy driver support
mxs phy is used in Freescale i.MX SoCs, for example
imx23, imx28, imx6Q. This patch adds the basic host
support.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Peter Chen <peter.chen@freescale.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Tested-by: Subodh Nijsure <snijsure@grid-net.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/Documentation/devicetree/bindings/usb/mxs-phy.txt b/Documentation/devicetree/bindings/usb/mxs-phy.txt
new file mode 100644
index 0000000..5835b27
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/mxs-phy.txt
@@ -0,0 +1,13 @@
+* Freescale MXS USB Phy Device
+
+Required properties:
+- compatible: Should be "fsl,imx23-usbphy"
+- reg: Should contain registers location and length
+- interrupts: Should contain phy interrupt
+
+Example:
+usbphy1: usbphy@020c9000 {
+ compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
+ reg = <0x020c9000 0x1000>;
+ interrupts = <0 44 0x04>;
+};