~funderscore blog cgit wiki get in touch
aboutsummaryrefslogtreecommitdiff
blob: 92e4d6294173c10f8a2955c57eda7dd7fbd89393 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
 */

#include <dt-bindings/clock/bcm6338-clock.h>
#include <dt-bindings/dma/bcm6338-dma.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/reset/bcm6338-reset.h>
#include "skeleton.dtsi"

/ {
	compatible = "brcm,bcm6338";

	aliases {
		spi0 = &spi;
	};

	cpus {
		reg = <0xfffe0000 0x4>;
		#address-cells = <1>;
		#size-cells = <0>;
		bootph-all;

		cpu@0 {
			compatible = "brcm,bcm6338-cpu", "mips,mips4Kc";
			device_type = "cpu";
			reg = <0>;
			bootph-all;
		};
	};

	clocks {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		bootph-all;

		periph_osc: periph-osc {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <50000000>;
			bootph-all;
		};

		periph_clk: periph-clk {
			compatible = "brcm,bcm6345-clk";
			reg = <0xfffe0004 0x4>;
			#clock-cells = <1>;
		};
	};

	pflash: nor@1fc00000 {
		compatible = "cfi-flash";
		reg = <0x1fc00000 0x400000>;
		bank-width = <2>;
		#address-cells = <1>;
		#size-cells = <1>;

		status = "disabled";
	};

	ubus {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		bootph-all;

		pll_cntl: syscon@fffe0008 {
			compatible = "syscon";
			reg = <0xfffe0008 0x4>;
		};

		syscon-reboot {
			compatible = "syscon-reboot";
			regmap = <&pll_cntl>;
			offset = <0x0>;
			mask = <0x1>;
		};

		periph_rst: reset-controller@fffe0028 {
			compatible = "brcm,bcm6345-reset";
			reg = <0xfffe0028 0x4>;
			#reset-cells = <1>;
		};

		wdt: watchdog@fffe021c {
			compatible = "brcm,bcm6345-wdt";
			reg = <0xfffe021c 0xc>;
			clocks = <&periph_osc>;
		};

		wdt-reboot {
			compatible = "wdt-reboot";
			wdt = <&wdt>;
		};

		uart0: serial@fffe0300 {
			compatible = "brcm,bcm6345-uart";
			reg = <0xfffe0300 0x18>;
			clocks = <&periph_osc>;

			status = "disabled";
		};

		gpio: gpio-controller@fffe0404 {
			compatible = "brcm,bcm6345-gpio";
			reg = <0xfffe0404 0x4>, <0xfffe040c 0x4>;
			gpio-controller;
			#gpio-cells = <2>;
			ngpios = <8>;

			status = "disabled";
		};

		spi: spi@fffe0c00 {
			compatible = "brcm,bcm6348-spi";
			reg = <0xfffe0c00 0xc0>;
			#address-cells = <1>;
			#size-cells = <0>;
			clocks = <&periph_clk BCM6338_CLK_SPI>;
			resets = <&periph_rst BCM6338_RST_SPI>;
			spi-max-frequency = <20000000>;
			num-cs = <4>;

			status = "disabled";
		};

		memory-controller@fffe3100 {
			compatible = "brcm,bcm6338-mc";
			reg = <0xfffe3100 0x38>;
			bootph-all;
		};

		iudma: dma-controller@fffe2400 {
			compatible = "brcm,bcm6348-iudma";
			reg = <0xfffe2400 0x1c>,
			      <0xfffe2500 0x60>,
			      <0xfffe2600 0x60>;
			reg-names = "dma",
				    "dma-channels",
				    "dma-sram";
			#dma-cells = <1>;
			dma-channels = <6>;
			resets = <&periph_rst BCM6338_RST_DMAMEM>;
		};

		enet: ethernet@fffe2800 {
			compatible = "brcm,bcm6348-enet";
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0xfffe2800 0x2dc>;
			clocks = <&periph_clk BCM6338_CLK_ENET>;
			resets = <&periph_rst BCM6338_RST_ENET>;
			dmas = <&iudma BCM6338_DMA_ENET_RX>,
			       <&iudma BCM6338_DMA_ENET_TX>;
			dma-names = "rx",
				    "tx";

			status = "disabled";
		};
	};
};