xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/phy/phy-hisi-inno-usb2.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunDevice tree bindings for HiSilicon INNO USB2 PHY
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible: Should be one of the following strings:
5*4882a593Smuzhiyun	"hisilicon,inno-usb2-phy",
6*4882a593Smuzhiyun	"hisilicon,hi3798cv200-usb2-phy".
7*4882a593Smuzhiyun- reg: Should be the address space for PHY configuration register in peripheral
8*4882a593Smuzhiyun  controller, e.g. PERI_USB0 for USB 2.0 PHY01 on Hi3798CV200 SoC.
9*4882a593Smuzhiyun- clocks: The phandle and clock specifier pair for INNO USB2 PHY device
10*4882a593Smuzhiyun  reference clock.
11*4882a593Smuzhiyun- resets: The phandle and reset specifier pair for INNO USB2 PHY device reset
12*4882a593Smuzhiyun  signal.
13*4882a593Smuzhiyun- #address-cells: Must be 1.
14*4882a593Smuzhiyun- #size-cells: Must be 0.
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunThe INNO USB2 PHY device should be a child node of peripheral controller that
17*4882a593Smuzhiyuncontains the PHY configuration register, and each device suppports up to 2 PHY
18*4882a593Smuzhiyunports which are represented as child nodes of INNO USB2 PHY device.
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunRequired properties for PHY port node:
21*4882a593Smuzhiyun- reg: The PHY port instance number.
22*4882a593Smuzhiyun- #phy-cells: Defined by generic PHY bindings.  Must be 0.
23*4882a593Smuzhiyun- resets: The phandle and reset specifier pair for PHY port reset signal.
24*4882a593Smuzhiyun
25*4882a593SmuzhiyunRefer to phy/phy-bindings.txt for the generic PHY binding properties
26*4882a593Smuzhiyun
27*4882a593SmuzhiyunExample:
28*4882a593Smuzhiyun
29*4882a593Smuzhiyunperictrl: peripheral-controller@8a20000 {
30*4882a593Smuzhiyun	compatible = "hisilicon,hi3798cv200-perictrl", "simple-mfd";
31*4882a593Smuzhiyun	reg = <0x8a20000 0x1000>;
32*4882a593Smuzhiyun	#address-cells = <1>;
33*4882a593Smuzhiyun	#size-cells = <1>;
34*4882a593Smuzhiyun	ranges = <0x0 0x8a20000 0x1000>;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun	usb2_phy1: usb2-phy@120 {
37*4882a593Smuzhiyun		compatible = "hisilicon,hi3798cv200-usb2-phy";
38*4882a593Smuzhiyun		reg = <0x120 0x4>;
39*4882a593Smuzhiyun		clocks = <&crg HISTB_USB2_PHY1_REF_CLK>;
40*4882a593Smuzhiyun		resets = <&crg 0xbc 4>;
41*4882a593Smuzhiyun		#address-cells = <1>;
42*4882a593Smuzhiyun		#size-cells = <0>;
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun		usb2_phy1_port0: phy@0 {
45*4882a593Smuzhiyun			reg = <0>;
46*4882a593Smuzhiyun			#phy-cells = <0>;
47*4882a593Smuzhiyun			resets = <&crg 0xbc 8>;
48*4882a593Smuzhiyun		};
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun		usb2_phy1_port1: phy@1 {
51*4882a593Smuzhiyun			reg = <1>;
52*4882a593Smuzhiyun			#phy-cells = <0>;
53*4882a593Smuzhiyun			resets = <&crg 0xbc 9>;
54*4882a593Smuzhiyun		};
55*4882a593Smuzhiyun	};
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun	usb2_phy2: usb2-phy@124 {
58*4882a593Smuzhiyun		compatible = "hisilicon,hi3798cv200-usb2-phy";
59*4882a593Smuzhiyun		reg = <0x124 0x4>;
60*4882a593Smuzhiyun		clocks = <&crg HISTB_USB2_PHY2_REF_CLK>;
61*4882a593Smuzhiyun		resets = <&crg 0xbc 6>;
62*4882a593Smuzhiyun		#address-cells = <1>;
63*4882a593Smuzhiyun		#size-cells = <0>;
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun		usb2_phy2_port0: phy@0 {
66*4882a593Smuzhiyun			reg = <0>;
67*4882a593Smuzhiyun			#phy-cells = <0>;
68*4882a593Smuzhiyun			resets = <&crg 0xbc 10>;
69*4882a593Smuzhiyun		};
70*4882a593Smuzhiyun	};
71*4882a593Smuzhiyun};
72