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

   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
  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
 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
 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         .timer          = &omap3_timer,
 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         .timer          = &omap3_timer,
 166         .restart        = omap3xxx_restart,
 167 MACHINE_END