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-rw-r--r--Documentation/devicetree/bindings/usb/ohci-nxp.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/ohci-nxp.txt b/Documentation/devicetree/bindings/usb/ohci-nxp.txt
index b5c36319e63..71e28c1017e 100644
--- a/Documentation/devicetree/bindings/usb/ohci-nxp.txt
+++ b/Documentation/devicetree/bindings/usb/ohci-nxp.txt
@@ -5,12 +5,20 @@ Required properties:
- reg: physical base address of the controller and length of memory mapped
region.
- interrupts: The OHCI interrupt
+- transceiver: phandle of the associated ISP1301 device - this is necessary for
+ the UDC controller for connecting to the USB physical layer
Example (LPC32xx):
+ isp1301: usb-transceiver@2c {
+ compatible = "nxp,isp1301";
+ reg = <0x2c>;
+ };
+
ohci@31020000 {
compatible = "nxp,ohci-nxp";
reg = <0x31020000 0x300>;
interrupt-parent = <&mic>;
interrupts = <0x3b 0>;
+ transceiver = <&isp1301>;
};