This patch adds documentation for Synopsis Designware Cores AHB
Subsystem Device Controller (UDC).
Signed-off-by: Raviteja Garimella <raviteja.garimella@xxxxxxxxxxxx>
---
.../devicetree/bindings/usb/snps,dw-ahb-udc.txt | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/snps,dw-ahb-udc.txt
diff --git a/Documentation/devicetree/bindings/usb/snps,dw-ahb-udc.txt b/Documentation/devicetree/bindings/usb/snps,dw-ahb-udc.txt
new file mode 100644
index 0000000..64e1fbf
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/snps,dw-ahb-udc.txt
@@ -0,0 +1,29 @@
+Synopsys USB Device controller.
+
+The device node is used for Synopsys Designware Cores AHB
+Subsystem Device Controller (UDC).
+
+Required properties:
+ - compatible: should be "snps,dw-ahbudc"
+ - reg: Offset and length of UDC register set
+ - interrupts: description of interrupt line
+ - phys: phandle to phy node.
+ - phy-names: name of phy node. Must be usb2drd.
+ - extcon: phandle to the extcon device
+
+Example:
+
+ usbdrd_phy: phy@6501c000 {
+ #phy-cells = <0>;
+ compatible = "brcm,ns2-drd-phy";
+ reg = <0x66000000 0x1000>,
+ }
+
+ udc_dwc: usb@664e0000 {
+ compatible = "snps,dw-ahb-udc";
+ reg = <0x664e0000 0x2000>;
+ interrupts = <GIC_SPI 424 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usbdrd_phy>;
+ phy-names = "usb2drd";
+ extcon = <&usbdrd_phy>";
+ };
--
2.1.0
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