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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		#address-cells = <1>;
43		#size-cells = <0>;
44
45		key-restart {
46			label = "Reset";
47			linux,code = <KEY_RESTART>;
48			gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
49		};
50	};
51};
52
53&uart0 {
54	clock-frequency = <50000000>;
55	/delete-property/ clocks;
56};
57
58&uart1 {
59	status = "disabled";
60};
61
62&gmac0 {
63	status = "okay";
64};
65
66&gmac1 {
67	status = "disabled";
68};
69&gmac2 {
70	status = "disabled";
71};
72&gmac3 {
73	status = "disabled";
74};
75
76&nandcs {
77	nand-ecc-algo = "hw";
78
79	partitions {
80		compatible = "fixed-partitions";
81		#address-cells = <0x1>;
82		#size-cells = <0x1>;
83
84		partition@0 {
85			label = "u-boot";
86			reg = <0x0 0x200000>;
87			read-only;
88		};
89
90		partition@200000 {
91			label = "u-boot-env";
92			reg = <0x200000 0x200000>;
93			/* empty */
94		};
95
96		partition@400000 {
97			label = "u-boot-backup";
98			reg = <0x400000 0x200000>;
99			/* empty */
100		};
101
102		partition@600000 {
103			label = "u-boot-env-backup";
104			reg = <0x600000 0x200000>;
105			/* empty */
106		};
107
108		partition@800000 {
109			label = "ubi";
110			reg = <0x800000 0x7780000>;
111		};
112	};
113};
114
115&srab {
116	status = "okay";
117
118	ports {
119		port@0 {
120			reg = <0>;
121			label = "poe";
122		};
123
124		port@5 {
125			reg = <5>;
126			label = "cpu";
127			ethernet = <&gmac0>;
128
129			fixed-link {
130				speed = <1000>;
131				duplex-full;
132			};
133		};
134	};
135};
136
137&i2c0 {
138	status = "okay";
139
140	pinctrl-names = "default";
141	pinctrl-0 = <&pinmux_i2c>;
142
143	clock-frequency = <100000>;
144
145	ina219@40 {
146		compatible = "ti,ina219"; /* PoE power */
147		reg = <0x40>;
148		shunt-resistor = <60000>; /* = 60 mOhms */
149	};
150
151	eeprom@56 {
152		compatible = "atmel,24c64";
153		reg = <0x56>;
154		pagesize = <32>;
155		read-only;
156		#address-cells = <1>;
157		#size-cells = <1>;
158
159		/* it's empty */
160	};
161};
162
163&thermal {
164	status = "disabled";
165	/* does not work, reads 418 degree Celsius */
166};
167