1* PIP Ethernet nexus.
2
3The PIP Ethernet nexus can control several data packet input/output
4devices.  The devices have a two level grouping scheme.  There may be
5several interfaces, and each interface may have several ports.  These
6ports might be an individual Ethernet PHY.
7
8
9Properties for the PIP nexus:
10- compatible: "cavium,octeon-3860-pip"
11
12  Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs.
13
14- reg: The base address of the PIP's register bank.
15
16- #address-cells: Must be <1>.
17
18- #size-cells: Must be <0>.
19
20Properties for PIP interfaces which is a child the PIP nexus:
21- compatible: "cavium,octeon-3860-pip-interface"
22
23  Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs.
24
25- reg: The interface number.
26
27- #address-cells: Must be <1>.
28
29- #size-cells: Must be <0>.
30
31Properties for PIP port which is a child the PIP interface:
32- compatible: "cavium,octeon-3860-pip-port"
33
34  Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs.
35
36- reg: The port number within the interface group.
37
38- phy-handle: Optional, see ethernet.txt file in the same directory.
39
40Example:
41
42	pip@11800a0000000 {
43		compatible = "cavium,octeon-3860-pip";
44		#address-cells = <1>;
45		#size-cells = <0>;
46		reg = <0x11800 0xa0000000 0x0 0x2000>;
47
48		interface@0 {
49			compatible = "cavium,octeon-3860-pip-interface";
50			#address-cells = <1>;
51			#size-cells = <0>;
52			reg = <0>; /* interface */
53
54			ethernet@0 {
55				compatible = "cavium,octeon-3860-pip-port";
56				reg = <0x0>; /* Port */
57				local-mac-address = [ 00 0f b7 10 63 60 ];
58				phy-handle = <&phy2>;
59			};
60			ethernet@1 {
61				compatible = "cavium,octeon-3860-pip-port";
62				reg = <0x1>; /* Port */
63				local-mac-address = [ 00 0f b7 10 63 61 ];
64				phy-handle = <&phy3>;
65			};
66			ethernet@2 {
67				compatible = "cavium,octeon-3860-pip-port";
68				reg = <0x2>; /* Port */
69				local-mac-address = [ 00 0f b7 10 63 62 ];
70				phy-handle = <&phy4>;
71			};
72			ethernet@3 {
73				compatible = "cavium,octeon-3860-pip-port";
74				reg = <0x3>; /* Port */
75				local-mac-address = [ 00 0f b7 10 63 63 ];
76				phy-handle = <&phy5>;
77			};
78		};
79
80		interface@1 {
81			compatible = "cavium,octeon-3860-pip-interface";
82			#address-cells = <1>;
83			#size-cells = <0>;
84			reg = <1>; /* interface */
85
86			ethernet@0 {
87				compatible = "cavium,octeon-3860-pip-port";
88				reg = <0x0>; /* Port */
89				local-mac-address = [ 00 0f b7 10 63 64 ];
90				phy-handle = <&phy6>;
91			};
92		};
93	};
94