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", "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         .gpio_base              = OMAP_MAX_GPIO_LINES,
  75         .irq_base               = TWL4030_GPIO_IRQ_BASE,
  76         .irq_end                = TWL4030_GPIO_IRQ_END,
  77         .pullups                = BIT(0),
  78         .pulldowns              = BIT(1) | BIT(2) | BIT(8) | BIT(15),
  79 };
  80
  81 static struct twl4030_usb_data rm680_usb_data = {
  82         .usb_mode               = T2_USB_MODE_ULPI,
  83 };
  84
  85 static struct twl4030_platform_data rm680_twl_data = {
  86         .irq_base               = TWL4030_IRQ_BASE,
  87         .irq_end                = TWL4030_IRQ_END,
  88         .gpio                   = &rm680_gpio_data,
  89         .usb                    = &rm680_usb_data,
  90         /* add rest of the children here */
  91 };
  92
  93 static struct i2c_board_info __initdata rm680_twl_i2c_board_info[] = {
  94         {
  95                 I2C_BOARD_INFO("twl5031", 0x48),
  96                 .flags          = I2C_CLIENT_WAKE,
  97                 .irq            = INT_34XX_SYS_NIRQ,
  98                 .platform_data  = &rm680_twl_data,
  99         },
 100 };
 101
 102 static void __init rm680_i2c_init(void)
 103 {
 104         omap_register_i2c_bus(1, 2900, rm680_twl_i2c_board_info,
 105                                 ARRAY_SIZE(rm680_twl_i2c_board_info));
 106         omap_register_i2c_bus(2, 400, NULL, 0);
 107         omap_register_i2c_bus(3, 400, NULL, 0);
 108 }
 109
 110 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
 111         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
 112 static struct omap_onenand_platform_data board_onenand_data[] = {
 113         {
 114                 .gpio_irq       = 65,
 115                 .flags          = ONENAND_SYNC_READWRITE,
 116         }
 117 };
 118 #endif
 119
 120 /* eMMC */
 121 static struct omap2_hsmmc_info mmc[] __initdata = {
 122         {
 123                 .name           = "internal",
 124                 .mmc            = 2,
 125                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED,
 126                 .gpio_cd        = -EINVAL,
 127                 .gpio_wp        = -EINVAL,
 128         },
 129         { /* Terminator */ }
 130 };
 131
 132 static void __init rm680_peripherals_init(void)
 133 {
 134         platform_add_devices(rm680_peripherals_devices,
 135                                 ARRAY_SIZE(rm680_peripherals_devices));
 136         rm680_i2c_init();
 137         gpmc_onenand_init(board_onenand_data);
 138         omap2_hsmmc_init(mmc);
 139 }
 140
 141 static void __init rm680_init_early(void)
 142 {
 143         struct omap_sdrc_params *sdrc_params;
 144
 145         omap2_init_common_infrastructure();
 146         sdrc_params = nokia_get_sdram_timings();
 147         omap2_init_common_devices(sdrc_params, sdrc_params);
 148 }
 149
 150 #ifdef CONFIG_OMAP_MUX
 151 static struct omap_board_mux board_mux[] __initdata = {
 152         { .reg_offset = OMAP_MUX_TERMINATOR },
 153 };
 154 #endif
 155
 156 static struct omap_musb_board_data rm680_musb_data = {
 157         .interface_type = MUSB_INTERFACE_ULPI,
 158         .mode           = MUSB_PERIPHERAL,
 159         .power          = 100,
 160 };
 161
 162 static void __init rm680_init(void)
 163 {
 164         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 165         omap_serial_init();
 166         usb_musb_init(&rm680_musb_data);
 167         rm680_peripherals_init();
 168 }
 169
 170 static void __init rm680_map_io(void)
 171 {
 172         omap2_set_globals_3xxx();
 173         omap34xx_map_common_io();
 174 }
 175
 176 MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
 177         .boot_params    = 0x80000100,
 178         .reserve        = omap_reserve,
 179         .map_io         = rm680_map_io,
 180         .init_early     = rm680_init_early,
 181         .init_irq       = omap_init_irq,
 182         .init_machine   = rm680_init,
 183         .timer          = &omap_timer,
 184 MACHINE_END