1 /*
2 * Board support file for Nokia N950 (RM-680) / N9 (RM-696).
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 #include <linux/platform_data/mtd-onenand-omap2.h>
21 #include <linux/usb/phy.h>
22
23 #include <asm/mach/arch.h>
24 #include <asm/mach-types.h>
25
26 #include "common.h"
27 #include "mux.h"
28 #include "gpmc.h"
29 #include "mmc.h"
30 #include "hsmmc.h"
31 #include "sdram-nokia.h"
32 #include "common-board-devices.h"
33 #include "gpmc-onenand.h"
34
35 static struct regulator_consumer_supply rm680_vemmc_consumers[] = {
36 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
37 };
38
39 /* Fixed regulator for internal eMMC */
40 static struct regulator_init_data rm680_vemmc = {
41 .constraints = {
42 .name = "rm680_vemmc",
43 .valid_modes_mask = REGULATOR_MODE_NORMAL
44 | REGULATOR_MODE_STANDBY,
45 .valid_ops_mask = REGULATOR_CHANGE_STATUS
46 | REGULATOR_CHANGE_MODE,
47 },
48 .num_consumer_supplies = ARRAY_SIZE(rm680_vemmc_consumers),
49 .consumer_supplies = rm680_vemmc_consumers,
50 };
51
52 static struct fixed_voltage_config rm680_vemmc_config = {
53 .supply_name = "VEMMC",
54 .microvolts = 2900000,
55 .gpio = 157,
56 .startup_delay = 150,
57 .enable_high = 1,
58 .init_data = &rm680_vemmc,
59 };
60
61 static struct platform_device rm680_vemmc_device = {
62 .name = "reg-fixed-voltage",
63 .dev = {
64 .platform_data = &rm680_vemmc_config,
65 },
66 };
67
68 static struct platform_device *rm680_peripherals_devices[] __initdata = {
69 &rm680_vemmc_device,
70 };
71
72 /* TWL */
73 static struct twl4030_gpio_platform_data rm680_gpio_data = {
74 .pullups = BIT(0),
75 .pulldowns = BIT(1) | BIT(2) | BIT(8) | BIT(15),
76 };
77
78 static struct twl4030_platform_data rm680_twl_data = {
79 .gpio = &rm680_gpio_data,
80 /* add rest of the children here */
81 };
82
rm680_i2c_init(void)83 static void __init rm680_i2c_init(void)
84 {
85 omap3_pmic_get_config(&rm680_twl_data, TWL_COMMON_PDATA_USB, 0);
86 omap_pmic_init(1, 2900, "twl5031", 7 + OMAP_INTC_START, &rm680_twl_data);
87 omap_register_i2c_bus(2, 400, NULL, 0);
88 omap_register_i2c_bus(3, 400, NULL, 0);
89 }
90
91 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
92 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
93 static struct omap_onenand_platform_data board_onenand_data[] = {
94 {
95 .gpio_irq = 65,
96 .flags = ONENAND_SYNC_READWRITE,
97 }
98 };
99 #endif
100
101 /* eMMC */
102 static struct omap2_hsmmc_info mmc[] __initdata = {
103 {
104 .name = "internal",
105 .mmc = 2,
106 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED,
107 .gpio_cd = -EINVAL,
108 .gpio_wp = -EINVAL,
109 },
110 { /* Terminator */ }
111 };
112
rm680_peripherals_init(void)113 static void __init rm680_peripherals_init(void)
114 {
115 platform_add_devices(rm680_peripherals_devices,
116 ARRAY_SIZE(rm680_peripherals_devices));
117 rm680_i2c_init();
118 gpmc_onenand_init(board_onenand_data);
119 omap_hsmmc_init(mmc);
120 }
121
122 #ifdef CONFIG_OMAP_MUX
123 static struct omap_board_mux board_mux[] __initdata = {
124 { .reg_offset = OMAP_MUX_TERMINATOR },
125 };
126 #endif
127
rm680_init(void)128 static void __init rm680_init(void)
129 {
130 struct omap_sdrc_params *sdrc_params;
131
132 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
133 omap_serial_init();
134
135 sdrc_params = nokia_get_sdram_timings();
136 omap_sdrc_init(sdrc_params, sdrc_params);
137
138 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
139 usb_musb_init(NULL);
140 rm680_peripherals_init();
141 }
142
143 MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
144 .atag_offset = 0x100,
145 .reserve = omap_reserve,
146 .map_io = omap3_map_io,
147 .init_early = omap3630_init_early,
148 .init_irq = omap3_init_irq,
149 .handle_irq = omap3_intc_handle_irq,
150 .init_machine = rm680_init,
151 .init_late = omap3630_init_late,
152 .init_time = omap3_sync32k_timer_init,
153 .restart = omap3xxx_restart,
154 MACHINE_END
155
156 MACHINE_START(NOKIA_RM696, "Nokia RM-696 board")
157 .atag_offset = 0x100,
158 .reserve = omap_reserve,
159 .map_io = omap3_map_io,
160 .init_early = omap3630_init_early,
161 .init_irq = omap3_init_irq,
162 .handle_irq = omap3_intc_handle_irq,
163 .init_machine = rm680_init,
164 .init_late = omap3630_init_late,
165 .init_time = omap3_sync32k_timer_init,
166 .restart = omap3xxx_restart,
167 MACHINE_END
168