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arm/dts: Add minimal device tree support for omap2420 and omap2430
[mirror_ubuntu-eoan-kernel.git] / arch / arm / boot / dts / omap4.dtsi
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1/*
2 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9/*
10 * Carveout for multimedia usecases
11 * It should be the last 48MB of the first 512MB memory part
12 * In theory, it should not even exist. That zone should be reserved
13 * dynamically during the .reserve callback.
14 */
15/memreserve/ 0x9d000000 0x03000000;
16
17/include/ "skeleton.dtsi"
18
19/ {
20 compatible = "ti,omap4430", "ti,omap4";
21 interrupt-parent = <&gic>;
22
23 aliases {
24 };
25
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26 cpus {
27 cpu@0 {
28 compatible = "arm,cortex-a9";
29 };
30 cpu@1 {
31 compatible = "arm,cortex-a9";
32 };
33 };
34
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35 /*
36 * The soc node represents the soc top level view. It is uses for IPs
37 * that are not memory mapped in the MPU view or for the MPU itself.
38 */
39 soc {
40 compatible = "ti,omap-infra";
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41 mpu {
42 compatible = "ti,omap4-mpu";
43 ti,hwmods = "mpu";
44 };
45
46 dsp {
47 compatible = "ti,omap3-c64";
48 ti,hwmods = "dsp";
49 };
50
51 iva {
52 compatible = "ti,ivahd";
53 ti,hwmods = "iva";
54 };
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55 };
56
57 /*
58 * XXX: Use a flat representation of the OMAP4 interconnect.
59 * The real OMAP interconnect network is quite complex.
60 *
61 * MPU -+-- MPU_PRIVATE - GIC, L2
62 * |
63 * +----------------+----------+
64 * | | |
65 * + +- EMIF - DDR |
66 * | | |
67 * | + +--------+
68 * | | |
69 * | +- L4_ABE - AESS, MCBSP, TIMERs...
70 * | |
71 * +- L3_MAIN --+- L4_CORE - IPs...
72 * |
73 * +- L4_PER - IPs...
74 * |
75 * +- L4_CFG -+- L4_WKUP - IPs...
76 * | |
77 * | +- IPs...
78 * +- IPU ----+
79 * | |
80 * +- DSP ----+
81 * | |
82 * +- DSS ----+
83 *
84 * Since that will not bring real advantage to represent that in DT for
85 * the moment, just use a fake OCP bus entry to represent the whole bus
86 * hierarchy.
87 */
88 ocp {
ad8dfac6 89 compatible = "ti,omap4-l3-noc", "simple-bus";
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90 #address-cells = <1>;
91 #size-cells = <1>;
92 ranges;
ad8dfac6 93 ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3";
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94
95 gic: interrupt-controller@48241000 {
96 compatible = "arm,cortex-a9-gic";
97 interrupt-controller;
98 #interrupt-cells = <1>;
99 reg = <0x48241000 0x1000>,
100 <0x48240100 0x0100>;
101 };
102 };
103};