1// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
  2/*
  3 * Broadcom BCM470X / BCM5301X ARM platform code.
  4 * DTS for Meraki MR26 / Codename: Venom
  5 *
  6 * Copyright (C) 2022 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,mr26", "brcm,bcm53015", "brcm,bcm4708";
 17	model = "Meraki MR26";
 18
 19	memory@0 {
 20		reg = <0x00000000 0x08000000>;
 21		device_type = "memory";
 22	};
 23
 24	leds {
 25		compatible = "gpio-leds";
 26
 27		led-0 {
 28			function = LED_FUNCTION_FAULT;
 29			color = <LED_COLOR_ID_AMBER>;
 30			gpios = <&chipcommon 13 GPIO_ACTIVE_HIGH>;
 31			panic-indicator;
 32		};
 33		led-1 {
 34			function = LED_FUNCTION_INDICATOR;
 35			color = <LED_COLOR_ID_WHITE>;
 36			gpios = <&chipcommon 12 GPIO_ACTIVE_HIGH>;
 37		};
 38	};
 39
 40	keys {
 41		compatible = "gpio-keys";
 42
 43		key-restart {
 44			label = "Reset";
 45			linux,code = <KEY_RESTART>;
 46			gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
 47		};
 48	};
 49};
 50
 51&uart0 {
 52	clock-frequency = <50000000>;
 53	/delete-property/ clocks;
 54};
 55
 56&uart1 {
 57	status = "disabled";
 58};
 59
 60&gmac0 {
 61	status = "okay";
 62};
 63
 64&gmac1 {
 65	status = "disabled";
 66};
 67&gmac2 {
 68	status = "disabled";
 69};
 70&gmac3 {
 71	status = "disabled";
 72};
 73
 74&nandcs {
 75	partitions {
 76		compatible = "fixed-partitions";
 77		#address-cells = <0x1>;
 78		#size-cells = <0x1>;
 79
 80		partition@0 {
 81			label = "u-boot";
 82			reg = <0x0 0x200000>;
 83			read-only;
 84		};
 85
 86		partition@200000 {
 87			label = "u-boot-env";
 88			reg = <0x200000 0x200000>;
 89			/* empty */
 90		};
 91
 92		partition@400000 {
 93			label = "u-boot-backup";
 94			reg = <0x400000 0x200000>;
 95			/* empty */
 96		};
 97
 98		partition@600000 {
 99			label = "u-boot-env-backup";
100			reg = <0x600000 0x200000>;
101			/* empty */
102		};
103
104		partition@800000 {
105			label = "ubi";
106			reg = <0x800000 0x7780000>;
107		};
108	};
109};
110
111&srab {
112	status = "okay";
113
114	ports {
115		port@0 {
116			label = "poe";
117		};
118
119		port@5 {
120			label = "cpu";
121
122			fixed-link {
123				speed = <1000>;
124				full-duplex;
125			};
126		};
127
128		port@7 {
129			status = "disabled";
130		};
131
132		port@8 {
133			status = "disabled";
134		};
135	};
136};
137
138&i2c0 {
139	status = "okay";
140
141	pinctrl-names = "default";
142	pinctrl-0 = <&pinmux_i2c>;
143
144	clock-frequency = <100000>;
145
146	ina219@40 {
147		compatible = "ti,ina219"; /* PoE power */
148		reg = <0x40>;
149		shunt-resistor = <60000>; /* = 60 mOhms */
150	};
151
152	eeprom@56 {
153		compatible = "atmel,24c64";
154		reg = <0x56>;
155		pagesize = <32>;
156		read-only;
157		#address-cells = <1>;
158		#size-cells = <1>;
159
160		/* it's empty */
161	};
162};
163
164&thermal {
165	status = "disabled";
166	/* does not work, reads 418 degree Celsius */
167};