arch/arm/boot/dts/bcm53016-meraki-mr32.dts

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2 /*
   3  * Broadcom BCM470X / BCM5301X ARM platform code.
   4  * DTS for Meraki MR32 / Codename: Espresso
   5  *
   6  * Copyright (C) 2018-2020 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,mr32", "brcm,bcm53016", "brcm,bcm4708";
  17         model = "Meraki MR32";
  18
  19         chosen {
  20                 bootargs = " console=ttyS0,115200n8 earlycon";
  21         };
  22
  23         memory@0 {
  24                 reg = <0x00000000 0x08000000>;
  25                 device_type = "memory";
  26         };
  27
  28         aliases {
  29                 serial1 = &uart2;
  30         };
  31
  32         leds {
  33                 compatible = "gpio-leds";
  34
  35                 sysled3 {
  36                         function = LED_FUNCTION_FAULT;
  37                         color = <LED_COLOR_ID_AMBER>;
  38                         gpios = <&chipcommon 18 GPIO_ACTIVE_LOW>;
  39                         panic-indicator;
  40                 };
  41                 sysled2 {
  42                         function = LED_FUNCTION_INDICATOR;
  43                         color = <LED_COLOR_ID_WHITE>;
  44                         gpios = <&chipcommon 19 GPIO_ACTIVE_HIGH>;
  45                 };
  46         };
  47
  48         keys {
  49                 compatible = "gpio-keys";
  50                 #address-cells = <1>;
  51                 #size-cells = <0>;
  52
  53                 restart {
  54                         label = "Reset";
  55                         linux,code = <KEY_RESTART>;
  56                         gpios = <&chipcommon 21 GPIO_ACTIVE_LOW>;
  57                 };
  58         };
  59
  60         pwm-leds {
  61                 compatible = "pwm-leds";
  62
  63                 red {
  64                         /* SYS-LED 1 - Tricolor */
  65                         function = LED_FUNCTION_INDICATOR;
  66                         color = <LED_COLOR_ID_RED>;
  67                         pwms = <&pwm 0 50000 0>;
  68                         max-brightness = <255>;
  69                 };
  70
  71                 green {
  72                         /* SYS-LED 1 - Tricolor */
  73                         function = LED_FUNCTION_POWER;
  74                         color = <LED_COLOR_ID_GREEN>;
  75                         pwms = <&pwm 1 50000 0>;
  76                         max-brightness = <255>;
  77                 };
  78
  79                 blue {
  80                         /* SYS-LED 1 - Tricolor */
  81                         function = LED_FUNCTION_INDICATOR;
  82                         color = <LED_COLOR_ID_BLUE>;
  83                         pwms = <&pwm 2 50000 0>;
  84                         max-brightness = <255>;
  85                 };
  86         };
  87 };
  88
  89 &uart0 {
  90         clock-frequency = <62500000>;
  91         /delete-property/ clocks;
  92 };
  93
  94 &uart1 {
  95         status = "disabled";
  96 };
  97
  98 &uart2 {
  99         status = "okay";
 100         /*
 101          * bluetooth-le {
 102          *      compatible = "brcm,bcm20732";
 103          *      enable-gpios = <&chipcommon 20 GPIO_ACTIVE_HIGH>;
 104          *};
 105          */
 106 };
 107
 108 &gmac0 {
 109         nvmem-cell-names = "mac-address";
 110         nvmem-cells = <&mac_address>;
 111 };
 112
 113 &gmac1 {
 114         status = "disabled";
 115 };
 116 &gmac2 {
 117         status = "disabled";
 118 };
 119 &gmac3 {
 120         status = "disabled";
 121 };
 122
 123 &pwm {
 124         status = "okay";
 125         pinctrl-names = "default";
 126         pinctrl-0 = <&pinmux_pwm>;
 127 };
 128
 129 &nandcs {
 130         nand-ecc-algo = "hw";
 131
 132         partitions {
 133                 /*
 134                  * The partition autodetection does not work for this device.
 135                  * It will only detect the "nvram" partition with an incorrect size.
 136                  *      [    1.721667] 1 bcm47xxpart partitions found on MTD device brcmnand.0
 137                  *      [    1.727962] Creating 1 MTD partitions on "brcmnand.0":
 138                  *      [    1.733117] 0x000000400000-0x000008000000 : "nvram"
 139                  */
 140
 141                 compatible = "fixed-partitions";
 142                 #address-cells = <0x1>;
 143                 #size-cells = <0x1>;
 144
 145                 partition0@0 {
 146                         label = "u-boot";
 147                         reg = <0x0 0x100000>;
 148                         read-only;
 149                 };
 150
 151                 partition1@100000 {
 152                         label = "bootkernel1";
 153                         reg = <0x100000 0x300000>;
 154                         read-only;
 155                 };
 156
 157                 partition2@400000 {
 158                         label = "nvram";
 159                         reg = <0x400000 0x100000>;
 160                         read-only;
 161                 };
 162
 163                 partition3@500000 {
 164                         label = "bootkernel2";
 165                         reg = <0x500000 0x300000>;
 166                         read-only;
 167                 };
 168
 169                 partition4@800000 {
 170                         label = "ubi";
 171                         reg = <0x800000 0x7780000>;
 172                 };
 173         };
 174 };
 175
 176 &srab {
 177         status = "okay";
 178
 179         ports {
 180                 port@0 {
 181                         reg = <0>;
 182                         label = "poe";
 183                 };
 184
 185                 port@5 {
 186                         reg = <5>;
 187                         label = "cpu";
 188                         ethernet = <&gmac0>;
 189
 190                         fixed-link {
 191                                 speed = <1000>;
 192                                 duplex-full;
 193                         };
 194                 };
 195         };
 196 };
 197
 198 &i2c0 {
 199         status = "okay";
 200
 201         pinctrl-names = "default";
 202         pinctrl-0 = <&pinmux_i2c>;
 203
 204         clock-frequency = <100000>;
 205
 206         current_sense: ina219@45 {
 207                 compatible = "ti,ina219";
 208                 reg = <0x45>;
 209                 shunt-resistor = <60000>; /* = 60 mOhms */
 210         };
 211
 212         eeprom: eeprom@50 {
 213                 compatible = "atmel,24c64";
 214                 reg = <0x50>;
 215                 pagesize = <32>;
 216                 read-only;
 217                 #address-cells = <1>;
 218                 #size-cells = <1>;
 219
 220                 mac_address: mac-address@66 {
 221                         reg = <0x66 0x6>;
 222                 };
 223         };
 224 };