diff options
| author | WingMan Kwok <w-kwok2@ti.com> | 2013-12-09 14:43:23 -0500 |
|---|---|---|
| committer | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2013-12-12 20:29:17 -0500 |
| commit | 08c36762db9a0223a5477441bd93650b474aa9c8 (patch) | |
| tree | 87b1e3410223869ba808d7d1aac9fdd03c834b6e | |
| parent | 0ee154443b9906a792b0b32a5b897947bb90c827 (diff) | |
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>
| -rw-r--r-- | Documentation/devicetree/bindings/usb/keystone-phy.txt | 20 | ||||
| -rw-r--r-- | arch/arm/boot/dts/keystone.dtsi | 8 |
2 files changed, 28 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 000000000000..f37b3a86341d --- /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"; +}; diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi index f6d6d9e5effd..276bea999ef4 100644 --- a/arch/arm/boot/dts/keystone.dtsi +++ b/arch/arm/boot/dts/keystone.dtsi @@ -181,5 +181,13 @@ interrupts = <GIC_SPI 300 IRQ_TYPE_EDGE_RISING>; clocks = <&clkspi>; }; + + usb_phy: usb_phy@2620738 { + compatible = "ti,keystone-usbphy"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2620738 32>; + status = "disabled"; + }; }; }; |