arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi

   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;
  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 };