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[karo-tx-linux.git] / Documentation / devicetree / bindings / phy / brcm,cygnus-pcie-phy.txt
1 Broadcom Cygnus PCIe PHY
2
3 Required properties:
4 - compatible: must be "brcm,cygnus-pcie-phy"
5 - reg: base address and length of the PCIe PHY block
6 - #address-cells: must be 1
7 - #size-cells: must be 0
8
9 Each PCIe PHY should be represented by a child node
10
11 Required properties For the child node:
12 - reg: the PHY ID
13 0 - PCIe RC 0
14 1 - PCIe RC 1
15 - #phy-cells: must be 0
16
17 Example:
18         pcie_phy: phy@0301d0a0 {
19                 compatible = "brcm,cygnus-pcie-phy";
20                 reg = <0x0301d0a0 0x14>;
21
22                 pcie0_phy: phy@0 {
23                         reg = <0>;
24                         #phy-cells = <0>;
25                 };
26
27                 pcie1_phy: phy@1 {
28                         reg = <1>;
29                         #phy-cells = <0>;
30                 };
31         };
32
33         /* users of the PCIe phy */
34
35         pcie0: pcie@18012000 {
36                 ...
37                 ...
38                 phys = <&pcie0_phy>;
39                 phy-names = "pcie-phy";
40         };
41
42         pcie1: pcie@18013000 {
43                 ...
44                 ...
45                 phys = <pcie1_phy>;
46                 phy-names = "pcie-phy";
47         };