xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/phy/brcm,cygnus-pcie-phy.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunBroadcom Cygnus PCIe PHY
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible: must be "brcm,cygnus-pcie-phy"
5*4882a593Smuzhiyun- reg: base address and length of the PCIe PHY block
6*4882a593Smuzhiyun- #address-cells: must be 1
7*4882a593Smuzhiyun- #size-cells: must be 0
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunEach PCIe PHY should be represented by a child node
10*4882a593Smuzhiyun
11*4882a593SmuzhiyunRequired properties For the child node:
12*4882a593Smuzhiyun- reg: the PHY ID
13*4882a593Smuzhiyun0 - PCIe RC 0
14*4882a593Smuzhiyun1 - PCIe RC 1
15*4882a593Smuzhiyun- #phy-cells: must be 0
16*4882a593Smuzhiyun
17*4882a593SmuzhiyunExample:
18*4882a593Smuzhiyun	pcie_phy: phy@301d0a0 {
19*4882a593Smuzhiyun		compatible = "brcm,cygnus-pcie-phy";
20*4882a593Smuzhiyun		reg = <0x0301d0a0 0x14>;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun		pcie0_phy: phy@0 {
23*4882a593Smuzhiyun			reg = <0>;
24*4882a593Smuzhiyun			#phy-cells = <0>;
25*4882a593Smuzhiyun		};
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun		pcie1_phy: phy@1 {
28*4882a593Smuzhiyun			reg = <1>;
29*4882a593Smuzhiyun			#phy-cells = <0>;
30*4882a593Smuzhiyun		};
31*4882a593Smuzhiyun	};
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun	/* users of the PCIe phy */
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun	pcie0: pcie@18012000 {
36*4882a593Smuzhiyun		...
37*4882a593Smuzhiyun		...
38*4882a593Smuzhiyun		phys = <&pcie0_phy>;
39*4882a593Smuzhiyun		phy-names = "pcie-phy";
40*4882a593Smuzhiyun	};
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun	pcie1: pcie@18013000 {
43*4882a593Smuzhiyun		...
44*4882a593Smuzhiyun		...
45*4882a593Smuzhiyun		phys = <pcie1_phy>;
46*4882a593Smuzhiyun		phy-names = "pcie-phy";
47*4882a593Smuzhiyun	};
48