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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 <chunkeey@gmail.com>
*/
/dts-v1/;
#include "bcm4708.dtsi"
#include "bcm5301x-nand-cs0-bch8.dtsi"
#include <dt-bindings/leds/common.h>
/ {
compatible = "meraki,mr32", "brcm,brcm53016", "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";
#address-cells = <1>;
#size-cells = <0>;
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>;
duplex-full;
};
};
};
};
&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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