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2d200665 AK |
1 | /* |
2 | * Board support file for Nokia RM-680. | |
3 | * | |
4 | * Copyright (C) 2010 Nokia | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/io.h> | |
12 | #include <linux/i2c.h> | |
13 | #include <linux/gpio.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/i2c/twl.h> | |
16 | #include <linux/platform_device.h> | |
17 | #include <linux/regulator/fixed.h> | |
18 | #include <linux/regulator/machine.h> | |
19 | #include <linux/regulator/consumer.h> | |
20 | ||
21 | #include <asm/mach/arch.h> | |
22 | #include <asm/mach-types.h> | |
23 | ||
24 | #include <plat/i2c.h> | |
25 | #include <plat/mmc.h> | |
26 | #include <plat/usb.h> | |
27 | #include <plat/gpmc.h> | |
28 | #include <plat/common.h> | |
29 | #include <plat/onenand.h> | |
30 | ||
31 | #include "mux.h" | |
32 | #include "hsmmc.h" | |
33 | #include "sdram-nokia.h" | |
fbd8071c | 34 | #include "common-board-devices.h" |
2d200665 AK |
35 | |
36 | static struct regulator_consumer_supply rm680_vemmc_consumers[] = { | |
0005ae73 | 37 | REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"), |
2d200665 AK |
38 | }; |
39 | ||
40 | /* Fixed regulator for internal eMMC */ | |
41 | static struct regulator_init_data rm680_vemmc = { | |
42 | .constraints = { | |
43 | .name = "rm680_vemmc", | |
2d200665 AK |
44 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
45 | | REGULATOR_MODE_STANDBY, | |
46 | .valid_ops_mask = REGULATOR_CHANGE_STATUS | |
47 | | REGULATOR_CHANGE_MODE, | |
48 | }, | |
49 | .num_consumer_supplies = ARRAY_SIZE(rm680_vemmc_consumers), | |
50 | .consumer_supplies = rm680_vemmc_consumers, | |
51 | }; | |
52 | ||
53 | static struct fixed_voltage_config rm680_vemmc_config = { | |
54 | .supply_name = "VEMMC", | |
55 | .microvolts = 2900000, | |
56 | .gpio = 157, | |
57 | .startup_delay = 150, | |
58 | .enable_high = 1, | |
59 | .init_data = &rm680_vemmc, | |
60 | }; | |
61 | ||
62 | static struct platform_device rm680_vemmc_device = { | |
63 | .name = "reg-fixed-voltage", | |
64 | .dev = { | |
65 | .platform_data = &rm680_vemmc_config, | |
66 | }, | |
67 | }; | |
68 | ||
69 | static struct platform_device *rm680_peripherals_devices[] __initdata = { | |
70 | &rm680_vemmc_device, | |
71 | }; | |
72 | ||
73 | /* TWL */ | |
74 | static struct twl4030_gpio_platform_data rm680_gpio_data = { | |
75 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
76 | .irq_base = TWL4030_GPIO_IRQ_BASE, | |
77 | .irq_end = TWL4030_GPIO_IRQ_END, | |
78 | .pullups = BIT(0), | |
79 | .pulldowns = BIT(1) | BIT(2) | BIT(8) | BIT(15), | |
80 | }; | |
81 | ||
82 | static struct twl4030_usb_data rm680_usb_data = { | |
83 | .usb_mode = T2_USB_MODE_ULPI, | |
84 | }; | |
85 | ||
86 | static struct twl4030_platform_data rm680_twl_data = { | |
87 | .irq_base = TWL4030_IRQ_BASE, | |
88 | .irq_end = TWL4030_IRQ_END, | |
89 | .gpio = &rm680_gpio_data, | |
90 | .usb = &rm680_usb_data, | |
91 | /* add rest of the children here */ | |
92 | }; | |
93 | ||
2d200665 AK |
94 | static void __init rm680_i2c_init(void) |
95 | { | |
fbd8071c | 96 | omap_pmic_init(1, 2900, "twl5031", INT_34XX_SYS_NIRQ, &rm680_twl_data); |
2d200665 AK |
97 | omap_register_i2c_bus(2, 400, NULL, 0); |
98 | omap_register_i2c_bus(3, 400, NULL, 0); | |
99 | } | |
100 | ||
101 | #if defined(CONFIG_MTD_ONENAND_OMAP2) || \ | |
102 | defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) | |
103 | static struct omap_onenand_platform_data board_onenand_data[] = { | |
104 | { | |
105 | .gpio_irq = 65, | |
106 | .flags = ONENAND_SYNC_READWRITE, | |
107 | } | |
108 | }; | |
109 | #endif | |
110 | ||
111 | /* eMMC */ | |
112 | static struct omap2_hsmmc_info mmc[] __initdata = { | |
113 | { | |
114 | .name = "internal", | |
115 | .mmc = 2, | |
116 | .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED, | |
117 | .gpio_cd = -EINVAL, | |
118 | .gpio_wp = -EINVAL, | |
119 | }, | |
120 | { /* Terminator */ } | |
121 | }; | |
122 | ||
123 | static void __init rm680_peripherals_init(void) | |
124 | { | |
125 | platform_add_devices(rm680_peripherals_devices, | |
126 | ARRAY_SIZE(rm680_peripherals_devices)); | |
127 | rm680_i2c_init(); | |
128 | gpmc_onenand_init(board_onenand_data); | |
129 | omap2_hsmmc_init(mmc); | |
130 | } | |
131 | ||
3dc3bad6 | 132 | static void __init rm680_init_early(void) |
2d200665 AK |
133 | { |
134 | struct omap_sdrc_params *sdrc_params; | |
135 | ||
4805734b | 136 | omap2_init_common_infrastructure(); |
2d200665 | 137 | sdrc_params = nokia_get_sdram_timings(); |
4805734b | 138 | omap2_init_common_devices(sdrc_params, sdrc_params); |
2d200665 AK |
139 | } |
140 | ||
141 | #ifdef CONFIG_OMAP_MUX | |
142 | static struct omap_board_mux board_mux[] __initdata = { | |
143 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
144 | }; | |
145 | #endif | |
146 | ||
147 | static struct omap_musb_board_data rm680_musb_data = { | |
148 | .interface_type = MUSB_INTERFACE_ULPI, | |
149 | .mode = MUSB_PERIPHERAL, | |
150 | .power = 100, | |
151 | }; | |
152 | ||
153 | static void __init rm680_init(void) | |
154 | { | |
155 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); | |
156 | omap_serial_init(); | |
157 | usb_musb_init(&rm680_musb_data); | |
158 | rm680_peripherals_init(); | |
159 | } | |
160 | ||
161 | static void __init rm680_map_io(void) | |
162 | { | |
163 | omap2_set_globals_3xxx(); | |
164 | omap34xx_map_common_io(); | |
165 | } | |
166 | ||
167 | MACHINE_START(NOKIA_RM680, "Nokia RM-680 board") | |
168 | .boot_params = 0x80000100, | |
2d200665 | 169 | .reserve = omap_reserve, |
3dc3bad6 RKAL |
170 | .map_io = rm680_map_io, |
171 | .init_early = rm680_init_early, | |
172 | .init_irq = omap_init_irq, | |
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173 | .init_machine = rm680_init, |
174 | .timer = &omap_timer, | |
175 | MACHINE_END |