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author | WingMan Kwok <w-kwok2@ti.com> | 2013-12-09 14:43:23 -0500 |
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committer | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2013-12-12 20:29:17 -0500 |
commit | 08c36762db9a0223a5477441bd93650b474aa9c8 (patch) | |
tree | 87b1e3410223869ba808d7d1aac9fdd03c834b6e /Documentation/devicetree/bindings/usb | |
parent | 0ee154443b9906a792b0b32a5b897947bb90c827 (diff) | |
download | op-kernel-dev-08c36762db9a0223a5477441bd93650b474aa9c8.zip op-kernel-dev-08c36762db9a0223a5477441bd93650b474aa9c8.tar.gz |
ARM: dts: keystone: Add usb phy devicetree bindings
Added device tree support for TI's Keystone USB PHY driver and updated the
Documentation with device tree binding information.
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
-rw-r--r-- | Documentation/devicetree/bindings/usb/keystone-phy.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/keystone-phy.txt b/Documentation/devicetree/bindings/usb/keystone-phy.txt new file mode 100644 index 0000000..f37b3a8 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/keystone-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"; +}; |