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

   1 /*
   2  * Board support file for Nokia RM-680/696.
   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
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach-types.h>
  24
  25 #include <plat/i2c.h>
  26 #include <plat/mmc.h>
  27 #include <plat/usb.h>
  28 #include <plat/gpmc.h>
  29 #include "common.h"
  30 #include <plat/serial.h>
  31
  32 #include "mux.h"
  33 #include "hsmmc.h"
  34 #include "sdram-nokia.h"
  35 #include "common-board-devices.h"
  36
  37 static struct regulator_consumer_supply rm680_vemmc_consumers[] = {
  38         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
  39 };
  40
  41 /* Fixed regulator for internal eMMC */
  42 static struct regulator_init_data rm680_vemmc = {
  43         .constraints =  {
  44                 .name                   = "rm680_vemmc",
  45                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
  46                                         | REGULATOR_MODE_STANDBY,
  47                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS
  48                                         | REGULATOR_CHANGE_MODE,
  49         },
  50         .num_consumer_supplies          = ARRAY_SIZE(rm680_vemmc_consumers),
  51         .consumer_supplies              = rm680_vemmc_consumers,
  52 };
  53
  54 static struct fixed_voltage_config rm680_vemmc_config = {
  55         .supply_name            = "VEMMC",
  56         .microvolts             = 2900000,
  57         .gpio                   = 157,
  58         .startup_delay          = 150,
  59         .enable_high            = 1,
  60         .init_data              = &rm680_vemmc,
  61 };
  62
  63 static struct platform_device rm680_vemmc_device = {
  64         .name                   = "reg-fixed-voltage",
  65         .dev                    = {
  66                 .platform_data  = &rm680_vemmc_config,
  67         },
  68 };
  69
  70 static struct platform_device *rm680_peripherals_devices[] __initdata = {
  71         &rm680_vemmc_device,
  72 };
  73
  74 /* TWL */
  75 static struct twl4030_gpio_platform_data rm680_gpio_data = {
  76         .pullups                = BIT(0),
  77         .pulldowns              = BIT(1) | BIT(2) | BIT(8) | BIT(15),
  78 };
  79
  80 static struct twl4030_platform_data rm680_twl_data = {
  81         .gpio                   = &rm680_gpio_data,
  82         /* add rest of the children here */
  83 };
  84
  85 static void __init rm680_i2c_init(void)
  86 {
  87         omap3_pmic_get_config(&rm680_twl_data, TWL_COMMON_PDATA_USB, 0);
  88         omap_pmic_init(1, 2900, "twl5031", 7 + OMAP_INTC_START, &rm680_twl_data);
  89         omap_register_i2c_bus(2, 400, NULL, 0);
  90         omap_register_i2c_bus(3, 400, NULL, 0);
  91 }
  92
  93 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
  94         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
  95 static struct omap_onenand_platform_data board_onenand_data[] = {
  96         {
  97                 .gpio_irq       = 65,
  98                 .flags          = ONENAND_SYNC_READWRITE,
  99         }
 100 };
 101 #endif
 102
 103 /* eMMC */
 104 static struct omap2_hsmmc_info mmc[] __initdata = {
 105         {
 106                 .name           = "internal",
 107                 .mmc            = 2,
 108                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED,
 109                 .gpio_cd        = -EINVAL,
 110                 .gpio_wp        = -EINVAL,
 111         },
 112         { /* Terminator */ }
 113 };
 114
 115 static void __init rm680_peripherals_init(void)
 116 {
 117         platform_add_devices(rm680_peripherals_devices,
 118                                 ARRAY_SIZE(rm680_peripherals_devices));
 119         rm680_i2c_init();
 120         gpmc_onenand_init(board_onenand_data);
 121         omap_hsmmc_init(mmc);
 122 }
 123
 124 #ifdef CONFIG_OMAP_MUX
 125 static struct omap_board_mux board_mux[] __initdata = {
 126         { .reg_offset = OMAP_MUX_TERMINATOR },
 127 };
 128 #endif
 129
 130 static void __init rm680_init(void)
 131 {
 132         struct omap_sdrc_params *sdrc_params;
 133
 134         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 135         omap_serial_init();
 136
 137         sdrc_params = nokia_get_sdram_timings();
 138         omap_sdrc_init(sdrc_params, sdrc_params);
 139
 140         usb_musb_init(NULL);
 141         rm680_peripherals_init();
 142 }
 143
 144 MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
 145         .atag_offset    = 0x100,
 146         .reserve        = omap_reserve,
 147         .map_io         = omap3_map_io,
 148         .init_early     = omap3630_init_early,
 149         .init_irq       = omap3_init_irq,
 150         .handle_irq     = omap3_intc_handle_irq,
 151         .init_machine   = rm680_init,
 152         .init_late      = omap3630_init_late,
 153         .timer          = &omap3_timer,
 154         .restart        = omap_prcm_restart,
 155 MACHINE_END
 156
 157 MACHINE_START(NOKIA_RM696, "Nokia RM-696 board")
 158         .atag_offset    = 0x100,
 159         .reserve        = omap_reserve,
 160         .map_io         = omap3_map_io,
 161         .init_early     = omap3630_init_early,
 162         .init_irq       = omap3_init_irq,
 163         .handle_irq     = omap3_intc_handle_irq,
 164         .init_machine   = rm680_init,
 165         .init_late      = omap3630_init_late,
 166         .timer          = &omap3_timer,
 167         .restart        = omap_prcm_restart,
 168 MACHINE_END