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 to 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 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.