aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/board-rm680.c
blob: 345e8c4b873158ecef548a5d4ca0d4bc9943be65 (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
164
165
166
167
/*
 * Board support file for Nokia N950 (RM-680) / N9 (RM-696).
 *
 * Copyright (C) 2010 Nokia
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/i2c/twl.h>
#include <linux/platform_device.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/consumer.h>
#include <linux/platform_data/mtd-onenand-omap2.h>
#include <linux/usb/phy.h>

#include <asm/mach/arch.h>
#include <asm/mach-types.h>

#include "common.h"
#include "mux.h"
#include "gpmc.h"
#include "mmc.h"
#include "hsmmc.h"
#include "sdram-nokia.h"
#include "common-board-devices.h"
#include "gpmc-onenand.h"

static struct regulator_consumer_supply rm680_vemmc_consumers[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
};

/* Fixed regulator for internal eMMC */
static struct regulator_init_data rm680_vemmc = {
	.constraints =	{
		.name			= "rm680_vemmc",
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_STATUS
					| REGULATOR_CHANGE_MODE,
	},
	.num_consumer_supplies		= ARRAY_SIZE(rm680_vemmc_consumers),
	.consumer_supplies		= rm680_vemmc_consumers,
};

static struct fixed_voltage_config rm680_vemmc_config = {
	.supply_name		= "VEMMC",
	.microvolts		= 2900000,
	.gpio			= 157,
	.startup_delay		= 150,
	.enable_high		= 1,
	.init_data		= &rm680_vemmc,
};

static struct platform_device rm680_vemmc_device = {
	.name			= "reg-fixed-voltage",
	.dev			= {
		.platform_data	= &rm680_vemmc_config,
	},
};

static struct platform_device *rm680_peripherals_devices[] __initdata = {
	&rm680_vemmc_device,
};

/* TWL */
static struct twl4030_gpio_platform_data rm680_gpio_data = {
	.pullups		= BIT(0),
	.pulldowns		= BIT(1) | BIT(2) | BIT(8) | BIT(15),
};

static struct twl4030_platform_data rm680_twl_data = {
	.gpio			= &rm680_gpio_data,
	/* add rest of the children here */
};

static void __init rm680_i2c_init(void)
{
	omap3_pmic_get_config(&rm680_twl_data, TWL_COMMON_PDATA_USB, 0);
	omap_pmic_init(1, 2900, "twl5031", 7 + OMAP_INTC_START, &rm680_twl_data);
	omap_register_i2c_bus(2, 400, NULL, 0);
	omap_register_i2c_bus(3, 400, NULL, 0);
}

#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
	defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
static struct omap_onenand_platform_data board_onenand_data[] = {
	{
		.gpio_irq	= 65,
		.flags		= ONENAND_SYNC_READWRITE,
	}
};
#endif

/* eMMC */
static struct omap2_hsmmc_info mmc[] __initdata = {
	{
		.name		= "internal",
		.mmc		= 2,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
	},
	{ /* Terminator */ }
};

static void __init rm680_peripherals_init(void)
{
	platform_add_devices(rm680_peripherals_devices,
				ARRAY_SIZE(rm680_peripherals_devices));
	rm680_i2c_init();
	gpmc_onenand_init(board_onenand_data);
	omap_hsmmc_init(mmc);
}

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif

static void __init rm680_init(void)
{
	struct omap_sdrc_params *sdrc_params;

	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
	omap_serial_init();

	sdrc_params = nokia_get_sdram_timings();
	omap_sdrc_init(sdrc_params, sdrc_params);

	usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
	usb_musb_init(NULL);
	rm680_peripherals_init();
}

MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= omap3630_init_early,
	.init_irq	= omap3_init_irq,
	.handle_irq	= omap3_intc_handle_irq,
	.init_machine	= rm680_init,
	.init_late	= omap3630_init_late,
	.init_time	= omap3_sync32k_timer_init,
	.restart	= omap3xxx_restart,
MACHINE_END

MACHINE_START(NOKIA_RM696, "Nokia RM-696 board")
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= omap3630_init_early,
	.init_irq	= omap3_init_irq,
	.handle_irq	= omap3_intc_handle_irq,
	.init_machine	= rm680_init,
	.init_late	= omap3630_init_late,
	.init_time	= omap3_sync32k_timer_init,
	.restart	= omap3xxx_restart,
MACHINE_END