xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/phy/pistachio-usb-phy.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunIMG Pistachio USB PHY
2*4882a593Smuzhiyun=====================
3*4882a593Smuzhiyun
4*4882a593SmuzhiyunRequired properties:
5*4882a593Smuzhiyun--------------------
6*4882a593Smuzhiyun - compatible: Must be "img,pistachio-usb-phy".
7*4882a593Smuzhiyun - #phy-cells: Must be 0.  See ./phy-bindings.txt for details.
8*4882a593Smuzhiyun - clocks: Must contain an entry for each entry in clock-names.
9*4882a593Smuzhiyun   See ../clock/clock-bindings.txt for details.
10*4882a593Smuzhiyun - clock-names: Must include "usb_phy".
11*4882a593Smuzhiyun - img,cr-top: Must constain a phandle to the CR_TOP syscon node.
12*4882a593Smuzhiyun - img,refclk: Indicates the reference clock source for the USB PHY.
13*4882a593Smuzhiyun   See <dt-bindings/phy/phy-pistachio-usb.h> for a list of valid values.
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunOptional properties:
16*4882a593Smuzhiyun--------------------
17*4882a593Smuzhiyun - phy-supply: USB VBUS supply.  Must supply 5.0V.
18*4882a593Smuzhiyun
19*4882a593SmuzhiyunExample:
20*4882a593Smuzhiyun--------
21*4882a593Smuzhiyunusb_phy: usb-phy {
22*4882a593Smuzhiyun	compatible = "img,pistachio-usb-phy";
23*4882a593Smuzhiyun	clocks = <&clk_core CLK_USB_PHY>;
24*4882a593Smuzhiyun	clock-names = "usb_phy";
25*4882a593Smuzhiyun	phy-supply = <&usb_vbus>;
26*4882a593Smuzhiyun	img,refclk = <REFCLK_CLK_CORE>;
27*4882a593Smuzhiyun	img,cr-top = <&cr_top>;
28*4882a593Smuzhiyun	#phy-cells = <0>;
29*4882a593Smuzhiyun};
30