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[karo-tx-linux.git] / Documentation / devicetree / bindings / net / davinci_emac.txt
1 * Texas Instruments Davinci EMAC
2
3 This file provides information, what the device node
4 for the davinci_emac interface contains.
5
6 Required properties:
7 - compatible: "ti,davinci-dm6467-emac" or "ti,am3517-emac"
8 - reg: Offset and length of the register set for the device
9 - ti,davinci-ctrl-reg-offset: offset to control register
10 - ti,davinci-ctrl-mod-reg-offset: offset to control module register
11 - ti,davinci-ctrl-ram-offset: offset to control module ram
12 - ti,davinci-ctrl-ram-size: size of control module ram
13 - interrupts: interrupt mapping for the davinci emac interrupts sources:
14               4 sources: <Receive Threshold Interrupt
15                           Receive Interrupt
16                           Transmit Interrupt
17                           Miscellaneous Interrupt>
18
19 Optional properties:
20 - phy-handle: Contains a phandle to an Ethernet PHY.
21               If absent, davinci_emac driver defaults to 100/FULL.
22 - local-mac-address : 6 bytes, mac address
23 - ti,davinci-rmii-en: 1 byte, 1 means use RMII
24 - ti,davinci-no-bd-ram: boolean, does EMAC have BD RAM?
25
26 Example (enbw_cmc board):
27         eth0: emac@1e20000 {
28                 compatible = "ti,davinci-dm6467-emac";
29                 reg = <0x220000 0x4000>;
30                 ti,davinci-ctrl-reg-offset = <0x3000>;
31                 ti,davinci-ctrl-mod-reg-offset = <0x2000>;
32                 ti,davinci-ctrl-ram-offset = <0>;
33                 ti,davinci-ctrl-ram-size = <0x2000>;
34                 local-mac-address = [ 00 00 00 00 00 00 ];
35                 interrupts = <33
36                                 34
37                                 35
38                                 36
39                                 >;
40                 interrupt-parent = <&intc>;
41         };