arch/arm/mach-omap2/board-4430sdp.c

   1 /*
   2  * Board support file for OMAP4430 SDP.
   3  *
   4  * Copyright (C) 2009 Texas Instruments
   5  *
   6  * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
   7  *
   8  * Based on mach-omap2/board-3430sdp.c
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/io.h>
  19 #include <linux/gpio.h>
  20 #include <linux/usb/otg.h>
  21 #include <linux/spi/spi.h>
  22 #include <linux/i2c/twl.h>
  23 #include <linux/regulator/machine.h>
  24
  25 #include <mach/hardware.h>
  26 #include <mach/omap4-common.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30
  31 #include <plat/board.h>
  32 #include <plat/common.h>
  33 #include <plat/control.h>
  34 #include <plat/timer-gp.h>
  35 #include <plat/usb.h>
  36
  37 #define ETH_KS8851_IRQ                  34
  38 #define ETH_KS8851_POWER_ON             48
  39 #define ETH_KS8851_QUART                138
  40
  41 static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
  42         {
  43                 .modalias               = "ks8851",
  44                 .bus_num                = 1,
  45                 .chip_select            = 0,
  46                 .max_speed_hz           = 24000000,
  47                 .irq                    = ETH_KS8851_IRQ,
  48         },
  49 };
  50
  51 static int omap_ethernet_init(void)
  52 {
  53         int status;
  54
  55         /* Request of GPIO lines */
  56
  57         status = gpio_request(ETH_KS8851_POWER_ON, "eth_power");
  58         if (status) {
  59                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_POWER_ON);
  60                 return status;
  61         }
  62
  63         status = gpio_request(ETH_KS8851_QUART, "quart");
  64         if (status) {
  65                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_QUART);
  66                 goto error1;
  67         }
  68
  69         status = gpio_request(ETH_KS8851_IRQ, "eth_irq");
  70         if (status) {
  71                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_IRQ);
  72                 goto error2;
  73         }
  74
  75         /* Configuration of requested GPIO lines */
  76
  77         status = gpio_direction_output(ETH_KS8851_POWER_ON, 1);
  78         if (status) {
  79                 pr_err("Cannot set output GPIO %d\n", ETH_KS8851_IRQ);
  80                 goto error3;
  81         }
  82
  83         status = gpio_direction_output(ETH_KS8851_QUART, 1);
  84         if (status) {
  85                 pr_err("Cannot set output GPIO %d\n", ETH_KS8851_QUART);
  86                 goto error3;
  87         }
  88
  89         status = gpio_direction_input(ETH_KS8851_IRQ);
  90         if (status) {
  91                 pr_err("Cannot set input GPIO %d\n", ETH_KS8851_IRQ);
  92                 goto error3;
  93         }
  94
  95         return 0;
  96
  97 error3:
  98         gpio_free(ETH_KS8851_IRQ);
  99 error2:
 100         gpio_free(ETH_KS8851_QUART);
 101 error1:
 102         gpio_free(ETH_KS8851_POWER_ON);
 103         return status;
 104 }
 105
 106 static struct platform_device sdp4430_lcd_device = {
 107         .name           = "sdp4430_lcd",
 108         .id             = -1,
 109 };
 110
 111 static struct platform_device *sdp4430_devices[] __initdata = {
 112         &sdp4430_lcd_device,
 113 };
 114
 115 static struct omap_lcd_config sdp4430_lcd_config __initdata = {
 116         .ctrl_name      = "internal",
 117 };
 118
 119 static struct omap_board_config_kernel sdp4430_config[] __initdata = {
 120         { OMAP_TAG_LCD,         &sdp4430_lcd_config },
 121 };
 122
 123 static void __init omap_4430sdp_init_irq(void)
 124 {
 125         omap_board_config = sdp4430_config;
 126         omap_board_config_size = ARRAY_SIZE(sdp4430_config);
 127         omap2_init_common_hw(NULL, NULL);
 128 #ifdef CONFIG_OMAP_32K_TIMER
 129         omap2_gp_clockevent_set_gptimer(1);
 130 #endif
 131         gic_init_irq();
 132         omap_gpio_init();
 133 }
 134
 135 static struct omap_musb_board_data musb_board_data = {
 136         .interface_type         = MUSB_INTERFACE_UTMI,
 137         .mode                   = MUSB_PERIPHERAL,
 138         .power                  = 100,
 139 };
 140 static struct regulator_consumer_supply sdp4430_vmmc_supply[] = {
 141         {
 142                 .supply = "vmmc",
 143         },
 144         {
 145                 .supply = "vmmc",
 146         },
 147         {
 148                 .supply = "vmmc",
 149         },
 150         {
 151                 .supply = "vmmc",
 152         },
 153         {
 154                 .supply = "vmmc",
 155         },
 156 };
 157
 158 static struct regulator_init_data sdp4430_vaux1 = {
 159         .constraints = {
 160                 .min_uV                 = 1000000,
 161                 .max_uV                 = 3000000,
 162                 .apply_uV               = true,
 163                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 164                                         | REGULATOR_MODE_STANDBY,
 165                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 166                                         | REGULATOR_CHANGE_MODE
 167                                         | REGULATOR_CHANGE_STATUS,
 168         },
 169 };
 170
 171 static struct regulator_init_data sdp4430_vaux2 = {
 172         .constraints = {
 173                 .min_uV                 = 1200000,
 174                 .max_uV                 = 2800000,
 175                 .apply_uV               = true,
 176                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 177                                         | REGULATOR_MODE_STANDBY,
 178                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 179                                         | REGULATOR_CHANGE_MODE
 180                                         | REGULATOR_CHANGE_STATUS,
 181         },
 182 };
 183
 184 static struct regulator_init_data sdp4430_vaux3 = {
 185         .constraints = {
 186                 .min_uV                 = 1000000,
 187                 .max_uV                 = 3000000,
 188                 .apply_uV               = true,
 189                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 190                                         | REGULATOR_MODE_STANDBY,
 191                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 192                                         | REGULATOR_CHANGE_MODE
 193                                         | REGULATOR_CHANGE_STATUS,
 194         },
 195 };
 196
 197 /* VMMC1 for MMC1 card */
 198 static struct regulator_init_data sdp4430_vmmc = {
 199         .constraints = {
 200                 .min_uV                 = 1200000,
 201                 .max_uV                 = 3000000,
 202                 .apply_uV               = true,
 203                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 204                                         | REGULATOR_MODE_STANDBY,
 205                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 206                                         | REGULATOR_CHANGE_MODE
 207                                         | REGULATOR_CHANGE_STATUS,
 208         },
 209         .num_consumer_supplies  = 5,
 210         .consumer_supplies      = sdp4430_vmmc_supply,
 211 };
 212
 213 static struct regulator_init_data sdp4430_vpp = {
 214         .constraints = {
 215                 .min_uV                 = 1800000,
 216                 .max_uV                 = 2500000,
 217                 .apply_uV               = true,
 218                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 219                                         | REGULATOR_MODE_STANDBY,
 220                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 221                                         | REGULATOR_CHANGE_MODE
 222                                         | REGULATOR_CHANGE_STATUS,
 223         },
 224 };
 225
 226 static struct regulator_init_data sdp4430_vusim = {
 227         .constraints = {
 228                 .min_uV                 = 1200000,
 229                 .max_uV                 = 2900000,
 230                 .apply_uV               = true,
 231                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 232                                         | REGULATOR_MODE_STANDBY,
 233                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 234                                         | REGULATOR_CHANGE_MODE
 235                                         | REGULATOR_CHANGE_STATUS,
 236         },
 237 };
 238
 239 static struct regulator_init_data sdp4430_vana = {
 240         .constraints = {
 241                 .min_uV                 = 2100000,
 242                 .max_uV                 = 2100000,
 243                 .apply_uV               = true,
 244                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 245                                         | REGULATOR_MODE_STANDBY,
 246                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 247                                         | REGULATOR_CHANGE_STATUS,
 248         },
 249 };
 250
 251 static struct regulator_init_data sdp4430_vcxio = {
 252         .constraints = {
 253                 .min_uV                 = 1800000,
 254                 .max_uV                 = 1800000,
 255                 .apply_uV               = true,
 256                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 257                                         | REGULATOR_MODE_STANDBY,
 258                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 259                                         | REGULATOR_CHANGE_STATUS,
 260         },
 261 };
 262
 263 static struct regulator_init_data sdp4430_vdac = {
 264         .constraints = {
 265                 .min_uV                 = 1800000,
 266                 .max_uV                 = 1800000,
 267                 .apply_uV               = true,
 268                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 269                                         | REGULATOR_MODE_STANDBY,
 270                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 271                                         | REGULATOR_CHANGE_STATUS,
 272         },
 273 };
 274
 275 static struct regulator_init_data sdp4430_vusb = {
 276         .constraints = {
 277                 .min_uV                 = 3300000,
 278                 .max_uV                 = 3300000,
 279                 .apply_uV               = true,
 280                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 281                                         | REGULATOR_MODE_STANDBY,
 282                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 283                                         | REGULATOR_CHANGE_STATUS,
 284         },
 285 };
 286
 287 static struct twl4030_platform_data sdp4430_twldata = {
 288         .irq_base       = TWL6030_IRQ_BASE,
 289         .irq_end        = TWL6030_IRQ_END,
 290
 291         /* Regulators */
 292         .vmmc           = &sdp4430_vmmc,
 293         .vpp            = &sdp4430_vpp,
 294         .vusim          = &sdp4430_vusim,
 295         .vana           = &sdp4430_vana,
 296         .vcxio          = &sdp4430_vcxio,
 297         .vdac           = &sdp4430_vdac,
 298         .vusb           = &sdp4430_vusb,
 299         .vaux1          = &sdp4430_vaux1,
 300         .vaux2          = &sdp4430_vaux2,
 301         .vaux3          = &sdp4430_vaux3,
 302 };
 303
 304 static struct i2c_board_info __initdata sdp4430_i2c_boardinfo[] = {
 305         {
 306                 I2C_BOARD_INFO("twl6030", 0x48),
 307                 .flags = I2C_CLIENT_WAKE,
 308                 .irq = OMAP44XX_IRQ_SYS_1N,
 309                 .platform_data = &sdp4430_twldata,
 310         },
 311 };
 312 static int __init omap4_i2c_init(void)
 313 {
 314         /*
 315          * Phoenix Audio IC needs I2C1 to
 316          * start with 400 KHz or less
 317          */
 318         omap_register_i2c_bus(1, 400, sdp4430_i2c_boardinfo,
 319                         ARRAY_SIZE(sdp4430_i2c_boardinfo));
 320         omap_register_i2c_bus(2, 400, NULL, 0);
 321         omap_register_i2c_bus(3, 400, NULL, 0);
 322         omap_register_i2c_bus(4, 400, NULL, 0);
 323         return 0;
 324 }
 325 static void __init omap_4430sdp_init(void)
 326 {
 327         int status;
 328
 329         omap4_i2c_init();
 330         platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
 331         omap_serial_init();
 332         /* OMAP4 SDP uses internal transceiver so register nop transceiver */
 333         usb_nop_xceiv_register();
 334         /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
 335         if (!cpu_is_omap44xx())
 336                 usb_musb_init(&musb_board_data);
 337
 338         status = omap_ethernet_init();
 339         if (status) {
 340                 pr_err("Ethernet initialization failed: %d\n", status);
 341         } else {
 342                 sdp4430_spi_board_info[0].irq = gpio_to_irq(ETH_KS8851_IRQ);
 343                 spi_register_board_info(sdp4430_spi_board_info,
 344                                 ARRAY_SIZE(sdp4430_spi_board_info));
 345         }
 346 }
 347
 348 static void __init omap_4430sdp_map_io(void)
 349 {
 350         omap2_set_globals_443x();
 351         omap44xx_map_common_io();
 352 }
 353
 354 MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
 355         /* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
 356         .phys_io        = 0x48000000,
 357         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 358         .boot_params    = 0x80000100,
 359         .map_io         = omap_4430sdp_map_io,
 360         .init_irq       = omap_4430sdp_init_irq,
 361         .init_machine   = omap_4430sdp_init,
 362         .timer          = &omap_timer,
 363 MACHINE_END