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- // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
- /*
- * Broadcom BCM470X / BCM5301X ARM platform code.
- * DTS for Meraki MR32 / Codename: Espresso
- *
- * Copyright (C) 2018-2020 Christian Lamparter <[email protected]>
- */
- /dts-v1/;
- #include "bcm4708.dtsi"
- #include "bcm5301x-nand-cs0-bch8.dtsi"
- #include <dt-bindings/leds/common.h>
- / {
- compatible = "meraki,mr32", "brcm,bcm53016", "brcm,bcm4708";
- model = "Meraki MR32";
- chosen {
- bootargs = " console=ttyS0,115200n8 earlycon";
- };
- memory@0 {
- reg = <0x00000000 0x08000000>;
- device_type = "memory";
- };
- aliases {
- serial1 = &uart2;
- };
- leds {
- compatible = "gpio-leds";
- sysled3 {
- function = LED_FUNCTION_FAULT;
- color = <LED_COLOR_ID_AMBER>;
- gpios = <&chipcommon 18 GPIO_ACTIVE_LOW>;
- panic-indicator;
- };
- sysled2 {
- function = LED_FUNCTION_INDICATOR;
- color = <LED_COLOR_ID_WHITE>;
- gpios = <&chipcommon 19 GPIO_ACTIVE_HIGH>;
- };
- };
- keys {
- compatible = "gpio-keys";
- button-restart {
- label = "Reset";
- linux,code = <KEY_RESTART>;
- gpios = <&chipcommon 21 GPIO_ACTIVE_LOW>;
- };
- };
- pwm-leds {
- compatible = "pwm-leds";
- red {
- /* SYS-LED 1 - Tricolor */
- function = LED_FUNCTION_INDICATOR;
- color = <LED_COLOR_ID_RED>;
- pwms = <&pwm 0 50000 0>;
- max-brightness = <255>;
- };
- green {
- /* SYS-LED 1 - Tricolor */
- function = LED_FUNCTION_POWER;
- color = <LED_COLOR_ID_GREEN>;
- pwms = <&pwm 1 50000 0>;
- max-brightness = <255>;
- };
- blue {
- /* SYS-LED 1 - Tricolor */
- function = LED_FUNCTION_INDICATOR;
- color = <LED_COLOR_ID_BLUE>;
- pwms = <&pwm 2 50000 0>;
- max-brightness = <255>;
- };
- };
- };
- &uart0 {
- clock-frequency = <62500000>;
- /delete-property/ clocks;
- };
- &uart1 {
- status = "disabled";
- };
- &uart2 {
- status = "okay";
- /*
- * bluetooth-le {
- * compatible = "brcm,bcm20732";
- * enable-gpios = <&chipcommon 20 GPIO_ACTIVE_HIGH>;
- *};
- */
- };
- &gmac0 {
- nvmem-cell-names = "mac-address";
- nvmem-cells = <&mac_address>;
- };
- &gmac1 {
- status = "disabled";
- };
- &gmac2 {
- status = "disabled";
- };
- &gmac3 {
- status = "disabled";
- };
- &pwm {
- status = "okay";
- pinctrl-names = "default";
- pinctrl-0 = <&pinmux_pwm>;
- };
- &nandcs {
- nand-ecc-algo = "hw";
- partitions {
- /*
- * The partition autodetection does not work for this device.
- * It will only detect the "nvram" partition with an incorrect size.
- * [ 1.721667] 1 bcm47xxpart partitions found on MTD device brcmnand.0
- * [ 1.727962] Creating 1 MTD partitions on "brcmnand.0":
- * [ 1.733117] 0x000000400000-0x000008000000 : "nvram"
- */
- compatible = "fixed-partitions";
- #address-cells = <0x1>;
- #size-cells = <0x1>;
- partition0@0 {
- label = "u-boot";
- reg = <0x0 0x100000>;
- read-only;
- };
- partition1@100000 {
- label = "bootkernel1";
- reg = <0x100000 0x300000>;
- read-only;
- };
- partition2@400000 {
- label = "nvram";
- reg = <0x400000 0x100000>;
- read-only;
- };
- partition3@500000 {
- label = "bootkernel2";
- reg = <0x500000 0x300000>;
- read-only;
- };
- partition4@800000 {
- label = "ubi";
- reg = <0x800000 0x7780000>;
- };
- };
- };
- &srab {
- status = "okay";
- ports {
- port@0 {
- reg = <0>;
- label = "poe";
- };
- port@5 {
- reg = <5>;
- label = "cpu";
- ethernet = <&gmac0>;
- fixed-link {
- speed = <1000>;
- full-duplex;
- };
- };
- };
- };
- &i2c0 {
- status = "okay";
- pinctrl-names = "default";
- pinctrl-0 = <&pinmux_i2c>;
- clock-frequency = <100000>;
- current_sense: ina219@45 {
- compatible = "ti,ina219";
- reg = <0x45>;
- shunt-resistor = <60000>; /* = 60 mOhms */
- };
- eeprom: eeprom@50 {
- compatible = "atmel,24c64";
- reg = <0x50>;
- pagesize = <32>;
- read-only;
- #address-cells = <1>;
- #size-cells = <1>;
- mac_address: mac-address@66 {
- reg = <0x66 0x6>;
- };
- };
- };
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