Merge tag 'cris-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper...
[cascardo/linux.git] / Documentation / devicetree / bindings / net / qcom-emac.txt
1 Qualcomm Technologies EMAC Gigabit Ethernet Controller
2
3 This network controller consists of two devices: a MAC and an SGMII
4 internal PHY.  Each device is represented by a device tree node.  A phandle
5 connects the MAC node to its corresponding internal phy node.  Another
6 phandle points to the external PHY node.
7
8 Required properties:
9
10 MAC node:
11 - compatible : Should be "qcom,fsm9900-emac".
12 - reg : Offset and length of the register regions for the device
13 - interrupts : Interrupt number used by this controller
14 - mac-address : The 6-byte MAC address. If present, it is the default
15         MAC address.
16 - internal-phy : phandle to the internal PHY node
17 - phy-handle : phandle the the external PHY node
18
19 Internal PHY node:
20 - compatible : Should be "qcom,fsm9900-emac-sgmii" or "qcom,qdf2432-emac-sgmii".
21 - reg : Offset and length of the register region(s) for the device
22 - interrupts : Interrupt number used by this controller
23
24 The external phy child node:
25 - reg : The phy address
26
27 Example:
28
29 FSM9900:
30
31 soc {
32         #address-cells = <1>;
33         #size-cells = <1>;
34
35         emac0: ethernet@feb20000 {
36                 compatible = "qcom,fsm9900-emac";
37                 reg = <0xfeb20000 0x10000>,
38                       <0xfeb36000 0x1000>;
39                 interrupts = <76>;
40
41                 clocks = <&gcc 0>, <&gcc 1>, <&gcc 3>, <&gcc 4>, <&gcc 5>,
42                         <&gcc 6>, <&gcc 7>;
43                 clock-names = "axi_clk", "cfg_ahb_clk", "high_speed_clk",
44                         "mdio_clk", "tx_clk", "rx_clk", "sys_clk";
45
46                 internal-phy = <&emac_sgmii>;
47
48                 phy-handle = <&phy0>;
49
50                 #address-cells = <1>;
51                 #size-cells = <0>;
52                 phy0: ethernet-phy@0 {
53                         reg = <0>;
54                 };
55
56                 pinctrl-names = "default";
57                 pinctrl-0 = <&mdio_pins_a>;
58         };
59
60         emac_sgmii: ethernet@feb38000 {
61                 compatible = "qcom,fsm9900-emac-sgmii";
62                 reg = <0xfeb38000 0x1000>;
63                 interrupts = <80>;
64         };
65
66         tlmm: pinctrl@fd510000 {
67                 compatible = "qcom,fsm9900-pinctrl";
68
69                 mdio_pins_a: mdio {
70                         state {
71                                 pins = "gpio123", "gpio124";
72                                 function = "mdio";
73                         };
74                 };
75         };
76
77
78 QDF2432:
79
80 soc {
81         #address-cells = <2>;
82         #size-cells = <2>;
83
84         emac0: ethernet@38800000 {
85                 compatible = "qcom,fsm9900-emac";
86                 reg = <0x0 0x38800000 0x0 0x10000>,
87                       <0x0 0x38816000 0x0 0x1000>;
88                 interrupts = <0 256 4>;
89
90                 clocks = <&gcc 0>, <&gcc 1>, <&gcc 3>, <&gcc 4>, <&gcc 5>,
91                          <&gcc 6>, <&gcc 7>;
92                 clock-names = "axi_clk", "cfg_ahb_clk", "high_speed_clk",
93                         "mdio_clk", "tx_clk", "rx_clk", "sys_clk";
94
95                 internal-phy = <&emac_sgmii>;
96
97                 phy-handle = <&phy0>;
98
99                 #address-cells = <1>;
100                 #size-cells = <0>;
101                 phy0: ethernet-phy@4 {
102                         reg = <4>;
103                 };
104         };
105
106         emac_sgmii: ethernet@410400 {
107                 compatible = "qcom,qdf2432-emac-sgmii";
108                 reg = <0x0 0x00410400 0x0 0xc00>, /* Base address */
109                       <0x0 0x00410000 0x0 0x400>; /* Per-lane digital */
110                 interrupts = <0 254 1>;
111         };