1 * PIP Ethernet nexus.
2
3 The PIP Ethernet nexus can control several dat
4 devices. The devices have a two level groupin
5 several interfaces, and each interface may hav
6 ports might be an individual Ethernet PHY.
7
8
9 Properties for the PIP nexus:
10 - compatible: "cavium,octeon-3860-pip"
11
12 Compatibility with all cn3XXX, cn5XXX and cn
13
14 - reg: The base address of the PIP's register
15
16 - #address-cells: Must be <1>.
17
18 - #size-cells: Must be <0>.
19
20 Properties for PIP interfaces which is a child
21 - compatible: "cavium,octeon-3860-pip-interfac
22
23 Compatibility with all cn3XXX, cn5XXX and cn
24
25 - reg: The interface number.
26
27 - #address-cells: Must be <1>.
28
29 - #size-cells: Must be <0>.
30
31 Properties for PIP port which is a child the P
32 - compatible: "cavium,octeon-3860-pip-port"
33
34 Compatibility with all cn3XXX, cn5XXX and cn
35
36 - reg: The port number within the interface gr
37
38 - phy-handle: Optional, see ethernet.txt file
39
40 - rx-delay: Delay value for RGMII receive cloc
41 Value range is 1-31, and mapping to the actu
42
43 - tx-delay: Delay value for RGMII transmit clo
44 Value range is 1-31, and mapping to the actu
45
46 Example:
47
48 pip@11800a0000000 {
49 compatible = "cavium,octeon-38
50 #address-cells = <1>;
51 #size-cells = <0>;
52 reg = <0x11800 0xa0000000 0x0
53
54 interface@0 {
55 compatible = "cavium,o
56 #address-cells = <1>;
57 #size-cells = <0>;
58 reg = <0>; /* interfac
59
60 ethernet@0 {
61 compatible = "
62 reg = <0x0>; /
63 local-mac-addr
64 phy-handle = <
65 };
66 ethernet@1 {
67 compatible = "
68 reg = <0x1>; /
69 local-mac-addr
70 phy-handle = <
71 };
72 ethernet@2 {
73 compatible = "
74 reg = <0x2>; /
75 local-mac-addr
76 phy-handle = <
77 };
78 ethernet@3 {
79 compatible = "
80 reg = <0x3>; /
81 local-mac-addr
82 phy-handle = <
83 };
84 };
85
86 interface@1 {
87 compatible = "cavium,o
88 #address-cells = <1>;
89 #size-cells = <0>;
90 reg = <1>; /* interfac
91
92 ethernet@0 {
93 compatible = "
94 reg = <0x0>; /
95 local-mac-addr
96 phy-handle = <
97 };
98 };
99 };
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