arch/arm/mach-omap2/board-rm680.c

   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"
  34
  35 static struct regulator_consumer_supply rm680_vemmc_consumers[] = {
  36         REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1"),
  37 };
  38
  39 /* Fixed regulator for internal eMMC */
  40 static 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
  55 static 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
  64 static struct platform_device rm680_vemmc_device = {
  65         .name                   = "reg-fixed-voltage",
  66         .dev                    = {
  67                 .platform_data  = &rm680_vemmc_config,
  68         },
  69 };
  70
  71 static struct platform_device *rm680_peripherals_devices[] __initdata = {
  72         &rm680_vemmc_device,
  73 };
  74
  75 /* TWL */
  76 static 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
  84 static struct twl4030_usb_data rm680_usb_data = {
  85         .usb_mode               = T2_USB_MODE_ULPI,
  86 };
  87
  88 static 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
  96 static 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
 105 static 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)
 115 static 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 */
 124 static 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
 135 static 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
 144 static void __init rm680_init_irq(void)
 145 {
 146         struct omap_sdrc_params *sdrc_params;
 147
 148         omap2_init_common_infrastructure();
 149         sdrc_params = nokia_get_sdram_timings();
 150         omap2_init_common_devices(sdrc_params, sdrc_params);
 151         omap_init_irq();
 152 }
 153
 154 #ifdef CONFIG_OMAP_MUX
 155 static struct omap_board_mux board_mux[] __initdata = {
 156         { .reg_offset = OMAP_MUX_TERMINATOR },
 157 };
 158 #endif
 159
 160 static struct omap_musb_board_data rm680_musb_data = {
 161         .interface_type = MUSB_INTERFACE_ULPI,
 162         .mode           = MUSB_PERIPHERAL,
 163         .power          = 100,
 164 };
 165
 166 static 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
 174 static void __init rm680_map_io(void)
 175 {
 176         omap2_set_globals_3xxx();
 177         omap34xx_map_common_io();
 178 }
 179
 180 MACHINE_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,
 187 MACHINE_END