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author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-08 02:22:41 -0400 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-08 02:22:41 -0400 |
commit | 1a43f2012455a977397deffe35912fd3f3ce17b9 (patch) | |
tree | 5189f337df44e7a495fbd097cd476b0380babd8c /arch/arm/mach-tegra/board-dt.c | |
parent | e1b96ada659431669efaf3defa997abf5db68130 (diff) | |
parent | 322a8b034003c0d46d39af85bf24fee27b902f48 (diff) |
Merge commit 'v3.1-rc1' into imx-fixes
Diffstat (limited to 'arch/arm/mach-tegra/board-dt.c')
-rw-r--r-- | arch/arm/mach-tegra/board-dt.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c new file mode 100644 index 000000000000..9f47e04446f3 --- /dev/null +++ b/arch/arm/mach-tegra/board-dt.c | |||
@@ -0,0 +1,119 @@ | |||
1 | /* | ||
2 | * nVidia Tegra device tree board support | ||
3 | * | ||
4 | * Copyright (C) 2010 Secret Lab Technologies, Ltd. | ||
5 | * Copyright (C) 2010 Google, Inc. | ||
6 | * | ||
7 | * This software is licensed under the terms of the GNU General Public | ||
8 | * License version 2, as published by the Free Software Foundation, and | ||
9 | * may be copied, distributed, and modified under those terms. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | */ | ||
17 | |||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/init.h> | ||
20 | #include <linux/platform_device.h> | ||
21 | #include <linux/serial_8250.h> | ||
22 | #include <linux/clk.h> | ||
23 | #include <linux/dma-mapping.h> | ||
24 | #include <linux/irqdomain.h> | ||
25 | #include <linux/of.h> | ||
26 | #include <linux/of_address.h> | ||
27 | #include <linux/of_fdt.h> | ||
28 | #include <linux/of_irq.h> | ||
29 | #include <linux/of_platform.h> | ||
30 | #include <linux/pda_power.h> | ||
31 | #include <linux/io.h> | ||
32 | #include <linux/i2c.h> | ||
33 | #include <linux/i2c-tegra.h> | ||
34 | |||
35 | #include <asm/mach-types.h> | ||
36 | #include <asm/mach/arch.h> | ||
37 | #include <asm/mach/time.h> | ||
38 | #include <asm/setup.h> | ||
39 | |||
40 | #include <mach/iomap.h> | ||
41 | #include <mach/irqs.h> | ||
42 | |||
43 | #include "board.h" | ||
44 | #include "board-harmony.h" | ||
45 | #include "clock.h" | ||
46 | #include "devices.h" | ||
47 | |||
48 | void harmony_pinmux_init(void); | ||
49 | void seaboard_pinmux_init(void); | ||
50 | |||
51 | |||
52 | struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = { | ||
53 | OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC1_BASE, "sdhci-tegra.0", NULL), | ||
54 | OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC2_BASE, "sdhci-tegra.1", NULL), | ||
55 | OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC3_BASE, "sdhci-tegra.2", NULL), | ||
56 | OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC4_BASE, "sdhci-tegra.3", NULL), | ||
57 | OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_I2C_BASE, "tegra-i2c.0", NULL), | ||
58 | OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_I2C2_BASE, "tegra-i2c.1", NULL), | ||
59 | OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_I2C3_BASE, "tegra-i2c.2", NULL), | ||
60 | OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_DVC_BASE, "tegra-i2c.3", NULL), | ||
61 | OF_DEV_AUXDATA("nvidia,tegra20-i2s", TEGRA_I2S1_BASE, "tegra-i2s.0", NULL), | ||
62 | OF_DEV_AUXDATA("nvidia,tegra20-i2s", TEGRA_I2S1_BASE, "tegra-i2s.1", NULL), | ||
63 | OF_DEV_AUXDATA("nvidia,tegra20-das", TEGRA_APB_MISC_DAS_BASE, "tegra-das", NULL), | ||
64 | {} | ||
65 | }; | ||
66 | |||
67 | static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = { | ||
68 | /* name parent rate enabled */ | ||
69 | { "uartd", "pll_p", 216000000, true }, | ||
70 | { NULL, NULL, 0, 0}, | ||
71 | }; | ||
72 | |||
73 | static struct of_device_id tegra_dt_match_table[] __initdata = { | ||
74 | { .compatible = "simple-bus", }, | ||
75 | {} | ||
76 | }; | ||
77 | |||
78 | static struct of_device_id tegra_dt_gic_match[] __initdata = { | ||
79 | { .compatible = "nvidia,tegra20-gic", }, | ||
80 | {} | ||
81 | }; | ||
82 | |||
83 | static void __init tegra_dt_init(void) | ||
84 | { | ||
85 | struct device_node *node; | ||
86 | |||
87 | node = of_find_matching_node_by_address(NULL, tegra_dt_gic_match, | ||
88 | TEGRA_ARM_INT_DIST_BASE); | ||
89 | if (node) | ||
90 | irq_domain_add_simple(node, INT_GIC_BASE); | ||
91 | |||
92 | tegra_clk_init_from_table(tegra_dt_clk_init_table); | ||
93 | |||
94 | if (of_machine_is_compatible("nvidia,harmony")) | ||
95 | harmony_pinmux_init(); | ||
96 | else if (of_machine_is_compatible("nvidia,seaboard")) | ||
97 | seaboard_pinmux_init(); | ||
98 | |||
99 | /* | ||
100 | * Finished with the static registrations now; fill in the missing | ||
101 | * devices | ||
102 | */ | ||
103 | of_platform_populate(NULL, tegra_dt_match_table, tegra20_auxdata_lookup, NULL); | ||
104 | } | ||
105 | |||
106 | static const char * tegra_dt_board_compat[] = { | ||
107 | "nvidia,harmony", | ||
108 | "nvidia,seaboard", | ||
109 | NULL | ||
110 | }; | ||
111 | |||
112 | DT_MACHINE_START(TEGRA_DT, "nVidia Tegra (Flattened Device Tree)") | ||
113 | .map_io = tegra_map_common_io, | ||
114 | .init_early = tegra_init_early, | ||
115 | .init_irq = tegra_init_irq, | ||
116 | .timer = &tegra_timer, | ||
117 | .init_machine = tegra_dt_init, | ||
118 | .dt_compat = tegra_dt_board_compat, | ||
119 | MACHINE_END | ||