arch/arm/boot/dts/bcm53015-meraki-mr26.dts

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2 /*
   3  * Broadcom BCM470X / BCM5301X ARM platform code.
   4  * DTS for Meraki MR26 / Codename: Venom
   5  *
   6  * Copyright (C) 2022 Christian Lamparter <chunkeey@gmail.com>
   7  */
   8
   9 /dts-v1/;
  10
  11 #include "bcm4708.dtsi"
  12 #include "bcm5301x-nand-cs0-bch8.dtsi"
  13 #include <dt-bindings/leds/common.h>
  14
  15 / {
  16         compatible = "meraki,mr26", "brcm,bcm53015", "brcm,bcm4708";
  17         model = "Meraki MR26";
  18
  19         memory@0 {
  20                 reg = <0x00000000 0x08000000>;
  21                 device_type = "memory";
  22         };
  23
  24         leds {
  25                 compatible = "gpio-leds";
  26
  27                 led-0 {
  28                         function = LED_FUNCTION_FAULT;
  29                         color = <LED_COLOR_ID_AMBER>;
  30                         gpios = <&chipcommon 13 GPIO_ACTIVE_HIGH>;
  31                         panic-indicator;
  32                 };
  33                 led-1 {
  34                         function = LED_FUNCTION_INDICATOR;
  35                         color = <LED_COLOR_ID_WHITE>;
  36                         gpios = <&chipcommon 12 GPIO_ACTIVE_HIGH>;
  37                 };
  38         };
  39
  40         keys {
  41                 compatible = "gpio-keys";
  42                 #address-cells = <1>;
  43                 #size-cells = <0>;
  44
  45                 key-restart {
  46                         label = "Reset";
  47                         linux,code = <KEY_RESTART>;
  48                         gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
  49                 };
  50         };
  51 };
  52
  53 &uart0 {
  54         clock-frequency = <50000000>;
  55         /delete-property/ clocks;
  56 };
  57
  58 &uart1 {
  59         status = "disabled";
  60 };
  61
  62 &gmac0 {
  63         status = "okay";
  64 };
  65
  66 &gmac1 {
  67         status = "disabled";
  68 };
  69 &gmac2 {
  70         status = "disabled";
  71 };
  72 &gmac3 {
  73         status = "disabled";
  74 };
  75
  76 &nandcs {
  77         nand-ecc-algo = "hw";
  78
  79         partitions {
  80                 compatible = "fixed-partitions";
  81                 #address-cells = <0x1>;
  82                 #size-cells = <0x1>;
  83
  84                 partition@0 {
  85                         label = "u-boot";
  86                         reg = <0x0 0x200000>;
  87                         read-only;
  88                 };
  89
  90                 partition@200000 {
  91                         label = "u-boot-env";
  92                         reg = <0x200000 0x200000>;
  93                         /* empty */
  94                 };
  95
  96                 partition@400000 {
  97                         label = "u-boot-backup";
  98                         reg = <0x400000 0x200000>;
  99                         /* empty */
 100                 };
 101
 102                 partition@600000 {
 103                         label = "u-boot-env-backup";
 104                         reg = <0x600000 0x200000>;
 105                         /* empty */
 106                 };
 107
 108                 partition@800000 {
 109                         label = "ubi";
 110                         reg = <0x800000 0x7780000>;
 111                 };
 112         };
 113 };
 114
 115 &srab {
 116         status = "okay";
 117
 118         ports {
 119                 port@0 {
 120                         reg = <0>;
 121                         label = "poe";
 122                 };
 123
 124                 port@5 {
 125                         reg = <5>;
 126                         label = "cpu";
 127                         ethernet = <&gmac0>;
 128
 129                         fixed-link {
 130                                 speed = <1000>;
 131                                 full-duplex;
 132                         };
 133                 };
 134         };
 135 };
 136
 137 &i2c0 {
 138         status = "okay";
 139
 140         pinctrl-names = "default";
 141         pinctrl-0 = <&pinmux_i2c>;
 142
 143         clock-frequency = <100000>;
 144
 145         ina219@40 {
 146                 compatible = "ti,ina219"; /* PoE power */
 147                 reg = <0x40>;
 148                 shunt-resistor = <60000>; /* = 60 mOhms */
 149         };
 150
 151         eeprom@56 {
 152                 compatible = "atmel,24c64";
 153                 reg = <0x56>;
 154                 pagesize = <32>;
 155                 read-only;
 156                 #address-cells = <1>;
 157                 #size-cells = <1>;
 158
 159                 /* it's empty */
 160         };
 161 };
 162
 163 &thermal {
 164         status = "disabled";
 165         /* does not work, reads 418 degree Celsius */
 166 };