1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Common file for GPMC connected smsc9221 on omaps
4 *
5 * Compared to smsc911x, smsc9221 (and others like smsc9217
6 * or smsc 9218) has faster timings, leading to higher
7 * bandwidth.
8 *
9 * Note that the board specifc DTS file needs to specify
10 * ranges, pinctrl, reg, interrupt parent and interrupts.
11 */
12
13 / {
14 vddvario: regulator-vddvario {
15 compatible = "regulator-fixed";
16 regulator-name = "vddvario";
17 regulator-always-on;
18 };
19
20 vdd33a: regulator-vdd33a {
21 compatible = "regulator-fixed";
22 regulator-name = "vdd33a";
23 regulator-always-on;
24 };
25 };
26
27 &gpmc {
28 ethernet@gpmc {
29 compatible = "smsc,lan9221","smsc,lan9115";
30 bank-width = <2>;
31
32 gpmc,mux-add-data = <0>;
33 gpmc,cs-on-ns = <0>;
34 gpmc,cs-rd-off-ns = <42>;
35 gpmc,cs-wr-off-ns = <36>;
36 gpmc,adv-on-ns = <6>;
37 gpmc,adv-rd-off-ns = <12>;
38 gpmc,adv-wr-off-ns = <12>;
39 gpmc,oe-on-ns = <0>;
40 gpmc,oe-off-ns = <42>;
41 gpmc,we-on-ns = <0>;
42 gpmc,we-off-ns = <36>;
43 gpmc,rd-cycle-ns = <60>;
44 gpmc,wr-cycle-ns = <54>;
45 gpmc,access-ns = <36>;
46 gpmc,page-burst-access-ns = <0>;
47 gpmc,bus-turnaround-ns = <0>;
48 gpmc,cycle2cycle-delay-ns = <0>;
49 gpmc,wr-data-mux-bus-ns = <18>;
50 gpmc,wr-access-ns = <42>;
51 gpmc,cycle2cycle-samecsen;
52 gpmc,cycle2cycle-diffcsen;
53
54 vddvario-supply = <&vddvario>;
55 vdd33a-supply = <&vdd33a>;
56 reg-io-width = <4>;
57 smsc,save-mac-address;
58 };
59 };
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