Merge branch 'samsung/exynos5' into next/soc2
[linux-2.6.git] / arch / arm / mach-tegra / board-dt-tegra30.c
1 /*
2  * arch/arm/mach-tegra/board-dt-tegra30.c
3  *
4  * NVIDIA Tegra30 device tree board support
5  *
6  * Copyright (C) 2011 NVIDIA Corporation
7  *
8  * Derived from:
9  *
10  * arch/arm/mach-tegra/board-dt-tegra20.c
11  *
12  * Copyright (C) 2010 Secret Lab Technologies, Ltd.
13  * Copyright (C) 2010 Google, Inc.
14  *
15  * This software is licensed under the terms of the GNU General Public
16  * License version 2, as published by the Free Software Foundation, and
17  * may be copied, distributed, and modified under those terms.
18  *
19  * This program is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22  * GNU General Public License for more details.
23  *
24  */
25
26 #include <linux/kernel.h>
27 #include <linux/of.h>
28 #include <linux/of_address.h>
29 #include <linux/of_fdt.h>
30 #include <linux/of_irq.h>
31 #include <linux/of_platform.h>
32
33 #include <asm/mach/arch.h>
34 #include <asm/hardware/gic.h>
35
36 #include "board.h"
37 #include "clock.h"
38
39 static struct of_device_id tegra_dt_match_table[] __initdata = {
40         { .compatible = "simple-bus", },
41         {}
42 };
43
44 struct of_dev_auxdata tegra30_auxdata_lookup[] __initdata = {
45         OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000000, "sdhci-tegra.0", NULL),
46         OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000200, "sdhci-tegra.1", NULL),
47         OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000400, "sdhci-tegra.2", NULL),
48         OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000600, "sdhci-tegra.3", NULL),
49         OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C000, "tegra-i2c.0", NULL),
50         OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C400, "tegra-i2c.1", NULL),
51         OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C500, "tegra-i2c.2", NULL),
52         OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C700, "tegra-i2c.3", NULL),
53         OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000D000, "tegra-i2c.4", NULL),
54         {}
55 };
56
57 static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = {
58         /* name         parent          rate            enabled */
59         { "uarta",      "pll_p",        408000000,      true },
60         { NULL,         NULL,           0,              0},
61 };
62
63 static void __init tegra30_dt_init(void)
64 {
65         tegra_clk_init_from_table(tegra_dt_clk_init_table);
66
67         of_platform_populate(NULL, tegra_dt_match_table,
68                                 tegra30_auxdata_lookup, NULL);
69 }
70
71 static const char *tegra30_dt_board_compat[] = {
72         "nvidia,cardhu",
73         NULL
74 };
75
76 DT_MACHINE_START(TEGRA30_DT, "NVIDIA Tegra30 (Flattened Device Tree)")
77         .map_io         = tegra_map_common_io,
78         .init_early     = tegra30_init_early,
79         .init_irq       = tegra_dt_init_irq,
80         .handle_irq     = gic_handle_irq,
81         .timer          = &tegra_timer,
82         .init_machine   = tegra30_dt_init,
83         .restart        = tegra_assert_system_reset,
84         .dt_compat      = tegra30_dt_board_compat,
85 MACHINE_END