0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Common file for GPMC connected smsc9221 on omaps
0004 *
0005 * Compared to smsc911x, smsc9221 (and others like smsc9217
0006 * or smsc 9218) has faster timings, leading to higher
0007 * bandwidth.
0008 *
0009 * Note that the board specifc DTS file needs to specify
0010 * ranges, pinctrl, reg, interrupt parent and interrupts.
0011 */
0012
0013 / {
0014 vddvario: regulator-vddvario {
0015 compatible = "regulator-fixed";
0016 regulator-name = "vddvario";
0017 regulator-always-on;
0018 };
0019
0020 vdd33a: regulator-vdd33a {
0021 compatible = "regulator-fixed";
0022 regulator-name = "vdd33a";
0023 regulator-always-on;
0024 };
0025 };
0026
0027 &gpmc {
0028 ethernet@gpmc {
0029 compatible = "smsc,lan9221","smsc,lan9115";
0030 bank-width = <2>;
0031
0032 gpmc,mux-add-data = <0>;
0033 gpmc,cs-on-ns = <0>;
0034 gpmc,cs-rd-off-ns = <42>;
0035 gpmc,cs-wr-off-ns = <36>;
0036 gpmc,adv-on-ns = <6>;
0037 gpmc,adv-rd-off-ns = <12>;
0038 gpmc,adv-wr-off-ns = <12>;
0039 gpmc,oe-on-ns = <0>;
0040 gpmc,oe-off-ns = <42>;
0041 gpmc,we-on-ns = <0>;
0042 gpmc,we-off-ns = <36>;
0043 gpmc,rd-cycle-ns = <60>;
0044 gpmc,wr-cycle-ns = <54>;
0045 gpmc,access-ns = <36>;
0046 gpmc,page-burst-access-ns = <0>;
0047 gpmc,bus-turnaround-ns = <0>;
0048 gpmc,cycle2cycle-delay-ns = <0>;
0049 gpmc,wr-data-mux-bus-ns = <18>;
0050 gpmc,wr-access-ns = <42>;
0051 gpmc,cycle2cycle-samecsen;
0052 gpmc,cycle2cycle-diffcsen;
0053
0054 vddvario-supply = <&vddvario>;
0055 vdd33a-supply = <&vdd33a>;
0056 reg-io-width = <4>;
0057 smsc,save-mac-address;
0058 };
0059 };
