// 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 <chunkeey@gmail.com> */ /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"; led-0 { /* SYS-LED 1 - Tricolor */ function = LED_FUNCTION_INDICATOR; color = <LED_COLOR_ID_RED>; pwms = <&pwm 0 50000 0>; max-brightness = <255>; }; led-1 { /* SYS-LED 1 - Tricolor */ function = LED_FUNCTION_POWER; color = <LED_COLOR_ID_GREEN>; pwms = <&pwm 1 50000 0>; max-brightness = <255>; }; led-2 { /* 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 { 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>; partition@0 { label = "u-boot"; reg = <0x0 0x100000>; read-only; }; partition@100000 { label = "bootkernel1"; reg = <0x100000 0x300000>; read-only; }; partition@400000 { label = "nvram"; reg = <0x400000 0x100000>; read-only; }; partition@500000 { label = "bootkernel2"; reg = <0x500000 0x300000>; read-only; }; partition@800000 { label = "ubi"; reg = <0x800000 0x7780000>; }; }; }; &srab { status = "okay"; ports { port@0 { label = "poe"; }; port@5 { label = "cpu"; 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>; }; }; };