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Aaro Koskinen2d200662010-12-17 15:13:47 -08001/*
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"
34
35static struct regulator_consumer_supply rm680_vemmc_consumers[] = {
36 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1"),
37};
38
39/* Fixed regulator for internal eMMC */
40static struct regulator_init_data rm680_vemmc = {
41 .constraints = {
42 .name = "rm680_vemmc",
43 .min_uV = 2900000,
44 .max_uV = 2900000,
45 .apply_uV = 1,
46 .valid_modes_mask = REGULATOR_MODE_NORMAL
47 | REGULATOR_MODE_STANDBY,
48 .valid_ops_mask = REGULATOR_CHANGE_STATUS
49 | REGULATOR_CHANGE_MODE,
50 },
51 .num_consumer_supplies = ARRAY_SIZE(rm680_vemmc_consumers),
52 .consumer_supplies = rm680_vemmc_consumers,
53};
54
55static struct fixed_voltage_config rm680_vemmc_config = {
56 .supply_name = "VEMMC",
57 .microvolts = 2900000,
58 .gpio = 157,
59 .startup_delay = 150,
60 .enable_high = 1,
61 .init_data = &rm680_vemmc,
62};
63
64static struct platform_device rm680_vemmc_device = {
65 .name = "reg-fixed-voltage",
66 .dev = {
67 .platform_data = &rm680_vemmc_config,
68 },
69};
70
71static struct platform_device *rm680_peripherals_devices[] __initdata = {
72 &rm680_vemmc_device,
73};
74
75/* TWL */
76static struct twl4030_gpio_platform_data rm680_gpio_data = {
77 .gpio_base = OMAP_MAX_GPIO_LINES,
78 .irq_base = TWL4030_GPIO_IRQ_BASE,
79 .irq_end = TWL4030_GPIO_IRQ_END,
80 .pullups = BIT(0),
81 .pulldowns = BIT(1) | BIT(2) | BIT(8) | BIT(15),
82};
83
84static struct twl4030_usb_data rm680_usb_data = {
85 .usb_mode = T2_USB_MODE_ULPI,
86};
87
88static struct twl4030_platform_data rm680_twl_data = {
89 .irq_base = TWL4030_IRQ_BASE,
90 .irq_end = TWL4030_IRQ_END,
91 .gpio = &rm680_gpio_data,
92 .usb = &rm680_usb_data,
93 /* add rest of the children here */
94};
95
96static struct i2c_board_info __initdata rm680_twl_i2c_board_info[] = {
97 {
98 I2C_BOARD_INFO("twl5031", 0x48),
99 .flags = I2C_CLIENT_WAKE,
100 .irq = INT_34XX_SYS_NIRQ,
101 .platform_data = &rm680_twl_data,
102 },
103};
104
105static void __init rm680_i2c_init(void)
106{
107 omap_register_i2c_bus(1, 2900, rm680_twl_i2c_board_info,
108 ARRAY_SIZE(rm680_twl_i2c_board_info));
109 omap_register_i2c_bus(2, 400, NULL, 0);
110 omap_register_i2c_bus(3, 400, NULL, 0);
111}
112
113#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
114 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
115static struct omap_onenand_platform_data board_onenand_data[] = {
116 {
117 .gpio_irq = 65,
118 .flags = ONENAND_SYNC_READWRITE,
119 }
120};
121#endif
122
123/* eMMC */
124static struct omap2_hsmmc_info mmc[] __initdata = {
125 {
126 .name = "internal",
127 .mmc = 2,
128 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED,
129 .gpio_cd = -EINVAL,
130 .gpio_wp = -EINVAL,
131 },
132 { /* Terminator */ }
133};
134
135static void __init rm680_peripherals_init(void)
136{
137 platform_add_devices(rm680_peripherals_devices,
138 ARRAY_SIZE(rm680_peripherals_devices));
139 rm680_i2c_init();
140 gpmc_onenand_init(board_onenand_data);
141 omap2_hsmmc_init(mmc);
142}
143
144static void __init rm680_init_irq(void)
145{
146 struct omap_sdrc_params *sdrc_params;
147
Paul Walmsley48057342010-12-21 15:25:10 -0700148 omap2_init_common_infrastructure();
Aaro Koskinen2d200662010-12-17 15:13:47 -0800149 sdrc_params = nokia_get_sdram_timings();
Paul Walmsley48057342010-12-21 15:25:10 -0700150 omap2_init_common_devices(sdrc_params, sdrc_params);
Aaro Koskinen2d200662010-12-17 15:13:47 -0800151 omap_init_irq();
152}
153
154#ifdef CONFIG_OMAP_MUX
155static struct omap_board_mux board_mux[] __initdata = {
156 { .reg_offset = OMAP_MUX_TERMINATOR },
157};
158#endif
159
160static struct omap_musb_board_data rm680_musb_data = {
161 .interface_type = MUSB_INTERFACE_ULPI,
162 .mode = MUSB_PERIPHERAL,
163 .power = 100,
164};
165
166static void __init rm680_init(void)
167{
168 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
169 omap_serial_init();
170 usb_musb_init(&rm680_musb_data);
171 rm680_peripherals_init();
172}
173
174static void __init rm680_map_io(void)
175{
176 omap2_set_globals_3xxx();
177 omap34xx_map_common_io();
178}
179
180MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
181 .boot_params = 0x80000100,
182 .map_io = rm680_map_io,
183 .reserve = omap_reserve,
184 .init_irq = rm680_init_irq,
185 .init_machine = rm680_init,
186 .timer = &omap_timer,
187MACHINE_END