diff options
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/phy/keystone-usb-phy.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/phy/keystone-usb-phy.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/phy/keystone-usb-phy.txt b/kernel/Documentation/devicetree/bindings/phy/keystone-usb-phy.txt new file mode 100644 index 000000000..f37b3a863 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/phy/keystone-usb-phy.txt @@ -0,0 +1,20 @@ +TI Keystone USB PHY + +Required properties: + - compatible: should be "ti,keystone-usbphy". + - #address-cells, #size-cells : should be '1' if the device has sub-nodes + with 'reg' property. + - reg : Address and length of the usb phy control register set. + +The main purpose of this PHY driver is to enable the USB PHY reference clock +gate on the Keystone SOC for both the USB2 and USB3 PHY. Otherwise it is just +an NOP PHY driver. Hence this node is referenced as both the usb2 and usb3 +phy node in the USB Glue layer driver node. + +usb_phy: usb_phy@2620738 { + compatible = "ti,keystone-usbphy"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2620738 32>; + status = "disabled"; +}; |