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