GNU Linux-libre 4.14.266-gnu1
[releases.git] / Documentation / devicetree / bindings / net / allwinner,sun7i-a20-gmac.txt
1 * Allwinner GMAC ethernet controller
2
3 This device is a platform glue layer for stmmac.
4 Please see stmmac.txt for the other unchanged properties.
5
6 Required properties:
7  - compatible:  Should be "allwinner,sun7i-a20-gmac"
8  - clocks: Should contain the GMAC main clock, and tx clock
9    The tx clock type should be "allwinner,sun7i-a20-gmac-clk"
10  - clock-names: Should contain the clock names "stmmaceth",
11    and "allwinner_gmac_tx"
12
13 Optional properties:
14 - phy-supply: phandle to a regulator if the PHY needs one
15
16 Examples:
17
18         gmac: ethernet@01c50000 {
19                 compatible = "allwinner,sun7i-a20-gmac";
20                 reg = <0x01c50000 0x10000>,
21                       <0x01c20164 0x4>;
22                 interrupts = <0 85 1>;
23                 interrupt-names = "macirq";
24                 clocks = <&ahb_gates 49>, <&gmac_tx>;
25                 clock-names = "stmmaceth", "allwinner_gmac_tx";
26                 phy-mode = "mii";
27         };