1 MVEBU comphy drivers 1 MVEBU comphy drivers
2 -------------------- 2 --------------------
3 3
4 COMPHY controllers can be found on the followi 4 COMPHY controllers can be found on the following Marvell MVEBU SoCs:
5 * Armada 7k/8k (on the CP110) 5 * Armada 7k/8k (on the CP110)
6 * Armada 3700 6 * Armada 3700
7 It provides a number of shared PHYs used by va 7 It provides a number of shared PHYs used by various interfaces (network, SATA,
8 USB, PCIe...). 8 USB, PCIe...).
9 9
10 Required properties: 10 Required properties:
11 11
12 - compatible: should be one of: 12 - compatible: should be one of:
13 * "marvell,comphy-cp110" for Armada 7k/8k 13 * "marvell,comphy-cp110" for Armada 7k/8k
14 * "marvell,comphy-a3700" for Armada 3700 14 * "marvell,comphy-a3700" for Armada 3700
15 - reg: should contain the COMPHY register(s) l 15 - reg: should contain the COMPHY register(s) location(s) and length(s).
16 * 1 entry for Armada 7k/8k 16 * 1 entry for Armada 7k/8k
17 * 4 entries for Armada 3700 along with the c 17 * 4 entries for Armada 3700 along with the corresponding reg-names
18 properties, memory areas are: 18 properties, memory areas are:
19 * Generic COMPHY registers 19 * Generic COMPHY registers
20 * Lane 1 (PCIe/GbE) 20 * Lane 1 (PCIe/GbE)
21 * Lane 0 (USB3/GbE) 21 * Lane 0 (USB3/GbE)
22 * Lane 2 (SATA/USB3) 22 * Lane 2 (SATA/USB3)
23 - marvell,system-controller: should contain a 23 - marvell,system-controller: should contain a phandle to the system
24 controller node ( 24 controller node (only for Armada 7k/8k)
25 - #address-cells: should be 1. 25 - #address-cells: should be 1.
26 - #size-cells: should be 0. 26 - #size-cells: should be 0.
27 27
28 Optional properlties: <<
29 <<
30 - clocks: pointers to the reference clocks for <<
31 consequently: MG clock, MG Core cloc <<
32 - clock-names: names of used clocks for CP110 <<
33 "mg_clk", "mg_core_clk" and "ax <<
34 <<
35 A sub-node is required for each comphy lane pr 28 A sub-node is required for each comphy lane provided by the comphy.
36 29
37 Required properties (child nodes): 30 Required properties (child nodes):
38 31
39 - reg: COMPHY lane number. 32 - reg: COMPHY lane number.
40 - #phy-cells : from the generic PHY bindings, 33 - #phy-cells : from the generic PHY bindings, must be 1. Defines the
41 input port to use for a given c 34 input port to use for a given comphy lane.
42 35
43 Examples: 36 Examples:
44 37
45 CP11X_LABEL(comphy): phy@120000 { !! 38 cpm_comphy: phy@120000 {
46 compatible = "marvell,comphy-c 39 compatible = "marvell,comphy-cp110";
47 reg = <0x120000 0x6000>; 40 reg = <0x120000 0x6000>;
48 marvell,system-controller = <& !! 41 marvell,system-controller = <&cpm_syscon0>;
49 clocks = <&CP11X_LABEL(clk) 1 <<
50 <&CP11X_LABEL(clk) 1 <<
51 clock-names = "mg_clk", "mg_co <<
52 #address-cells = <1>; 42 #address-cells = <1>;
53 #size-cells = <0>; 43 #size-cells = <0>;
54 44
55 CP11X_LABEL(comphy0): phy@0 { !! 45 cpm_comphy0: phy@0 {
56 reg = <0>; 46 reg = <0>;
57 #phy-cells = <1>; 47 #phy-cells = <1>;
58 }; 48 };
59 49
60 CP11X_LABEL(comphy1): phy@1 { !! 50 cpm_comphy1: phy@1 {
61 reg = <1>; 51 reg = <1>;
62 #phy-cells = <1>; 52 #phy-cells = <1>;
63 }; 53 };
64 }; 54 };
65 55
66 comphy: phy@18300 { 56 comphy: phy@18300 {
67 compatible = "marvell,comphy-a 57 compatible = "marvell,comphy-a3700";
68 reg = <0x18300 0x300>, 58 reg = <0x18300 0x300>,
69 <0x1F000 0x400>, 59 <0x1F000 0x400>,
70 <0x5C000 0x400>, 60 <0x5C000 0x400>,
71 <0xe0178 0x8>; 61 <0xe0178 0x8>;
72 reg-names = "comphy", 62 reg-names = "comphy",
73 "lane1_pcie_gbe", 63 "lane1_pcie_gbe",
74 "lane0_usb3_gbe", 64 "lane0_usb3_gbe",
75 "lane2_sata_usb3"; 65 "lane2_sata_usb3";
76 #address-cells = <1>; 66 #address-cells = <1>;
77 #size-cells = <0>; 67 #size-cells = <0>;
78 68
79 69
80 comphy0: phy@0 { 70 comphy0: phy@0 {
81 reg = <0>; 71 reg = <0>;
82 #phy-cells = <1>; 72 #phy-cells = <1>;
83 }; 73 };
84 74
85 comphy1: phy@1 { 75 comphy1: phy@1 {
86 reg = <1>; 76 reg = <1>;
87 #phy-cells = <1>; 77 #phy-cells = <1>;
88 }; 78 };
89 79
90 comphy2: phy@2 { 80 comphy2: phy@2 {
91 reg = <2>; 81 reg = <2>;
92 #phy-cells = <1>; 82 #phy-cells = <1>;
93 }; 83 };
94 }; 84 };
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