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 #include "common-board-devices.h"
  35
  36 static struct regulator_consumer_supply rm680_vemmc_consumers[] = {
  37         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
  38 };
  39
  40 /* Fixed regulator for internal eMMC */
  41 static struct regulator_init_data rm680_vemmc = {
  42         .constraints =  {
  43                 .name                   = "rm680_vemmc",
  44                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
  45                                         | REGULATOR_MODE_STANDBY,
  46                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS
  47                                         | REGULATOR_CHANGE_MODE,
  48         },
  49         .num_consumer_supplies          = ARRAY_SIZE(rm680_vemmc_consumers),
  50         .consumer_supplies              = rm680_vemmc_consumers,
  51 };
  52
  53 static struct fixed_voltage_config rm680_vemmc_config = {
  54         .supply_name            = "VEMMC",
  55         .microvolts             = 2900000,
  56         .gpio                   = 157,
  57         .startup_delay          = 150,
  58         .enable_high            = 1,
  59         .init_data              = &rm680_vemmc,
  60 };
  61
  62 static struct platform_device rm680_vemmc_device = {
  63         .name                   = "reg-fixed-voltage",
  64         .dev                    = {
  65                 .platform_data  = &rm680_vemmc_config,
  66         },
  67 };
  68
  69 static struct platform_device *rm680_peripherals_devices[] __initdata = {
  70         &rm680_vemmc_device,
  71 };
  72
  73 /* TWL */
  74 static struct twl4030_gpio_platform_data rm680_gpio_data = {
  75         .gpio_base              = OMAP_MAX_GPIO_LINES,
  76         .irq_base               = TWL4030_GPIO_IRQ_BASE,
  77         .irq_end                = TWL4030_GPIO_IRQ_END,
  78         .pullups                = BIT(0),
  79         .pulldowns              = BIT(1) | BIT(2) | BIT(8) | BIT(15),
  80 };
  81
  82 static struct twl4030_usb_data rm680_usb_data = {
  83         .usb_mode               = T2_USB_MODE_ULPI,
  84 };
  85
  86 static struct twl4030_platform_data rm680_twl_data = {
  87         .irq_base               = TWL4030_IRQ_BASE,
  88         .irq_end                = TWL4030_IRQ_END,
  89         .gpio                   = &rm680_gpio_data,
  90         .usb                    = &rm680_usb_data,
  91         /* add rest of the children here */
  92 };
  93
  94 static void __init rm680_i2c_init(void)
  95 {
  96         omap_pmic_init(1, 2900, "twl5031", INT_34XX_SYS_NIRQ, &rm680_twl_data);
  97         omap_register_i2c_bus(2, 400, NULL, 0);
  98         omap_register_i2c_bus(3, 400, NULL, 0);
  99 }
 100
 101 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
 102         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
 103 static struct omap_onenand_platform_data board_onenand_data[] = {
 104         {
 105                 .gpio_irq       = 65,
 106                 .flags          = ONENAND_SYNC_READWRITE,
 107         }
 108 };
 109 #endif
 110
 111 /* eMMC */
 112 static struct omap2_hsmmc_info mmc[] __initdata = {
 113         {
 114                 .name           = "internal",
 115                 .mmc            = 2,
 116                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED,
 117                 .gpio_cd        = -EINVAL,
 118                 .gpio_wp        = -EINVAL,
 119         },
 120         { /* Terminator */ }
 121 };
 122
 123 static void __init rm680_peripherals_init(void)
 124 {
 125         platform_add_devices(rm680_peripherals_devices,
 126                                 ARRAY_SIZE(rm680_peripherals_devices));
 127         rm680_i2c_init();
 128         gpmc_onenand_init(board_onenand_data);
 129         omap2_hsmmc_init(mmc);
 130 }
 131
 132 static void __init rm680_init_early(void)
 133 {
 134         struct omap_sdrc_params *sdrc_params;
 135
 136         omap2_init_common_infrastructure();
 137         sdrc_params = nokia_get_sdram_timings();
 138         omap2_init_common_devices(sdrc_params, sdrc_params);
 139 }
 140
 141 #ifdef CONFIG_OMAP_MUX
 142 static struct omap_board_mux board_mux[] __initdata = {
 143         { .reg_offset = OMAP_MUX_TERMINATOR },
 144 };
 145 #endif
 146
 147 static void __init rm680_init(void)
 148 {
 149         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 150         omap_serial_init();
 151         usb_musb_init(NULL);
 152         rm680_peripherals_init();
 153 }
 154
 155 static void __init rm680_map_io(void)
 156 {
 157         omap2_set_globals_3xxx();
 158         omap34xx_map_common_io();
 159 }
 160
 161 MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
 162         .boot_params    = 0x80000100,
 163         .reserve        = omap_reserve,
 164         .map_io         = rm680_map_io,
 165         .init_early     = rm680_init_early,
 166         .init_irq       = omap_init_irq,
 167         .init_machine   = rm680_init,
 168         .timer          = &omap_timer,
 169 MACHINE_END