arch/arm/mach-omap2/board-3430sdp.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-3430sdp.c
   3  *
   4  * Copyright (C) 2007 Texas Instruments
   5  *
   6  * Modified from mach-omap2/board-generic.c
   7  *
   8  * Initial code: Syed Mohammed Khasim
   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/delay.h>
  19 #include <linux/input.h>
  20 #include <linux/workqueue.h>
  21 #include <linux/err.h>
  22 #include <linux/clk.h>
  23 #include <linux/spi/spi.h>
  24 #include <linux/spi/ads7846.h>
  25 #include <linux/i2c/twl4030.h>
  26
  27 #include <mach/hardware.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/map.h>
  31
  32 #include <mach/mcspi.h>
  33 #include <mach/gpio.h>
  34 #include <mach/mux.h>
  35 #include <mach/board.h>
  36 #include <mach/usb-musb.h>
  37 #include <mach/usb-ehci.h>
  38 #include <mach/mmc.h>
  39 #include <mach/common.h>
  40 #include <mach/keypad.h>
  41 #include <mach/dma.h>
  42 #include <mach/gpmc.h>
  43
  44 #include <asm/io.h>
  45 #include <asm/delay.h>
  46 #include <mach/control.h>
  47
  48 #include "sdram-qimonda-hyb18m512160af-6.h"
  49 #include "mmc-twl4030.h"
  50
  51 #define CONFIG_DISABLE_HFCLK 1
  52
  53 #define SDP3430_SMC91X_CS       3
  54
  55 #define ENABLE_VAUX3_DEDICATED  0x03
  56 #define ENABLE_VAUX3_DEV_GRP    0x20
  57
  58
  59 #define TWL4030_MSECURE_GPIO 22
  60
  61 static struct resource sdp3430_smc91x_resources[] = {
  62         [0] = {
  63                 .start  = OMAP34XX_ETHR_START,
  64                 .end    = OMAP34XX_ETHR_START + SZ_4K,
  65                 .flags  = IORESOURCE_MEM,
  66         },
  67         [1] = {
  68                 .start  = 0,
  69                 .end    = 0,
  70                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  71         },
  72 };
  73
  74 static struct platform_device sdp3430_smc91x_device = {
  75         .name           = "smc91x",
  76         .id             = -1,
  77         .num_resources  = ARRAY_SIZE(sdp3430_smc91x_resources),
  78         .resource       = sdp3430_smc91x_resources,
  79 };
  80
  81 static int sdp3430_keymap[] = {
  82         KEY(0, 0, KEY_LEFT),
  83         KEY(0, 1, KEY_RIGHT),
  84         KEY(0, 2, KEY_A),
  85         KEY(0, 3, KEY_B),
  86         KEY(0, 4, KEY_C),
  87         KEY(1, 0, KEY_DOWN),
  88         KEY(1, 1, KEY_UP),
  89         KEY(1, 2, KEY_E),
  90         KEY(1, 3, KEY_F),
  91         KEY(1, 4, KEY_G),
  92         KEY(2, 0, KEY_ENTER),
  93         KEY(2, 1, KEY_I),
  94         KEY(2, 2, KEY_J),
  95         KEY(2, 3, KEY_K),
  96         KEY(2, 4, KEY_3),
  97         KEY(3, 0, KEY_M),
  98         KEY(3, 1, KEY_N),
  99         KEY(3, 2, KEY_O),
 100         KEY(3, 3, KEY_P),
 101         KEY(3, 4, KEY_Q),
 102         KEY(4, 0, KEY_R),
 103         KEY(4, 1, KEY_4),
 104         KEY(4, 2, KEY_T),
 105         KEY(4, 3, KEY_U),
 106         KEY(4, 4, KEY_D),
 107         KEY(5, 0, KEY_V),
 108         KEY(5, 1, KEY_W),
 109         KEY(5, 2, KEY_L),
 110         KEY(5, 3, KEY_S),
 111         KEY(5, 4, KEY_H),
 112         0
 113 };
 114
 115 static struct twl4030_keypad_data sdp3430_kp_data = {
 116         .rows           = 5,
 117         .cols           = 6,
 118         .keymap         = sdp3430_keymap,
 119         .keymapsize     = ARRAY_SIZE(sdp3430_keymap),
 120         .rep            = 1,
 121         .irq            = TWL4030_MODIRQ_KEYPAD,
 122 };
 123
 124 static int ts_gpio;
 125
 126 static int __init msecure_init(void)
 127 {
 128         int ret = 0;
 129
 130 #ifdef CONFIG_RTC_DRV_TWL4030
 131         /* 3430ES2.0 doesn't have msecure/gpio-22 line connected to T2 */
 132         if (omap_type() == OMAP2_DEVICE_TYPE_GP &&
 133                         omap_rev() < OMAP3430_REV_ES2_0) {
 134                 void __iomem *msecure_pad_config_reg = omap_ctrl_base_get() +
 135                         0xA3C;
 136                 int mux_mask = 0x04;
 137                 u16 tmp;
 138
 139                 ret = gpio_request(TWL4030_MSECURE_GPIO, "msecure");
 140                 if (ret < 0) {
 141                         printk(KERN_ERR "msecure_init: can't"
 142                                 "reserve GPIO:%d !\n", TWL4030_MSECURE_GPIO);
 143                         goto out;
 144                 }
 145                 /*
 146                  * TWL4030 will be in secure mode if msecure line from OMAP
 147                  * is low. Make msecure line high in order to change the
 148                  * TWL4030 RTC time and calender registers.
 149                  */
 150                 tmp = __raw_readw(msecure_pad_config_reg);
 151                 tmp &= 0xF8; /* To enable mux mode 03/04 = GPIO_RTC */
 152                 tmp |= mux_mask;/* To enable mux mode 03/04 = GPIO_RTC */
 153                 __raw_writew(tmp, msecure_pad_config_reg);
 154
 155                 gpio_direction_output(TWL4030_MSECURE_GPIO, 1);
 156         }
 157 out:
 158 #endif
 159         return ret;
 160 }
 161
 162 /**
 163  * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
 164  *
 165  * @return - void. If request gpio fails then Flag KERN_ERR.
 166  */
 167 static void ads7846_dev_init(void)
 168 {
 169         if (omap_request_gpio(ts_gpio) < 0) {
 170                 printk(KERN_ERR "can't get ads746 pen down GPIO\n");
 171                 return;
 172         }
 173
 174         omap_set_gpio_direction(ts_gpio, 1);
 175
 176         omap_set_gpio_debounce(ts_gpio, 1);
 177         omap_set_gpio_debounce_time(ts_gpio, 0xa);
 178 }
 179
 180 static int ads7846_get_pendown_state(void)
 181 {
 182         return !gpio_get_value(ts_gpio);
 183 }
 184
 185 /*
 186  * This enable(1)/disable(0) the voltage for TS: uses twl4030 calls
 187  */
 188 static int ads7846_vaux_control(int vaux_cntrl)
 189 {
 190         int ret = 0;
 191
 192 #ifdef CONFIG_TWL4030_CORE
 193         /* check for return value of ldo_use: if success it returns 0 */
 194         if (vaux_cntrl == VAUX_ENABLE) {
 195                 if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 196                         ENABLE_VAUX3_DEDICATED, TWL4030_VAUX3_DEDICATED))
 197                         return -EIO;
 198                 if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 199                         ENABLE_VAUX3_DEV_GRP, TWL4030_VAUX3_DEV_GRP))
 200                         return -EIO;
 201         } else if (vaux_cntrl == VAUX_DISABLE) {
 202                 if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 203                         0x00, TWL4030_VAUX3_DEDICATED))
 204                         return -EIO;
 205                 if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 206                         0x00, TWL4030_VAUX3_DEV_GRP))
 207                         return -EIO;
 208         }
 209 #else
 210         ret = -EIO;
 211 #endif
 212         return ret;
 213 }
 214
 215 static struct ads7846_platform_data tsc2046_config __initdata = {
 216         .get_pendown_state      = ads7846_get_pendown_state,
 217         .keep_vref_on           = 1,
 218         .vaux_control           = ads7846_vaux_control,
 219 };
 220
 221
 222 static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
 223         .turbo_mode     = 0,
 224         .single_channel = 1,  /* 0: slave, 1: master */
 225 };
 226
 227 static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
 228         [0] = {
 229                 /*
 230                  * TSC2046 operates at a max freqency of 2MHz, so
 231                  * operate slightly below at 1.5MHz
 232                  */
 233                 .modalias               = "ads7846",
 234                 .bus_num                = 1,
 235                 .chip_select            = 0,
 236                 .max_speed_hz           = 1500000,
 237                 .controller_data        = &tsc2046_mcspi_config,
 238                 .irq                    = 0,
 239                 .platform_data          = &tsc2046_config,
 240         },
 241 };
 242
 243 static struct platform_device sdp3430_lcd_device = {
 244         .name           = "sdp2430_lcd",
 245         .id             = -1,
 246 };
 247
 248 static struct platform_device *sdp3430_devices[] __initdata = {
 249         &sdp3430_smc91x_device,
 250         &sdp3430_lcd_device,
 251 };
 252
 253 static inline void __init sdp3430_init_smc91x(void)
 254 {
 255         int eth_cs;
 256         unsigned long cs_mem_base;
 257         int eth_gpio = 0;
 258
 259         eth_cs = SDP3430_SMC91X_CS;
 260
 261         if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
 262                 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
 263                 return;
 264         }
 265
 266         sdp3430_smc91x_resources[0].start = cs_mem_base + 0x0;
 267         sdp3430_smc91x_resources[0].end   = cs_mem_base + 0xf;
 268         udelay(100);
 269
 270         if (omap_rev() > OMAP3430_REV_ES1_0)
 271                 eth_gpio = OMAP34XX_ETHR_GPIO_IRQ_SDPV2;
 272         else
 273                 eth_gpio = OMAP34XX_ETHR_GPIO_IRQ_SDPV1;
 274
 275         sdp3430_smc91x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
 276
 277         if (omap_request_gpio(eth_gpio) < 0) {
 278                 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
 279                         eth_gpio);
 280                 return;
 281         }
 282         omap_set_gpio_direction(eth_gpio, 1);
 283 }
 284
 285 static void __init omap_3430sdp_init_irq(void)
 286 {
 287         omap2_init_common_hw(hyb18m512160af6_sdrc_params);
 288         omap_init_irq();
 289         omap_gpio_init();
 290         sdp3430_init_smc91x();
 291 }
 292
 293 static struct omap_uart_config sdp3430_uart_config __initdata = {
 294         .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
 295 };
 296
 297 static struct omap_lcd_config sdp3430_lcd_config __initdata = {
 298         .ctrl_name      = "internal",
 299 };
 300
 301 static struct omap_board_config_kernel sdp3430_config[] __initdata = {
 302         { OMAP_TAG_UART,        &sdp3430_uart_config },
 303         { OMAP_TAG_LCD,         &sdp3430_lcd_config },
 304 };
 305
 306 static int sdp3430_batt_table[] = {
 307 /* 0 C*/
 308 30800, 29500, 28300, 27100,
 309 26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
 310 17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
 311 11600, 11200, 10800, 10400, 10000, 9630,   9280,   8950,   8620,   8310,
 312 8020,   7730,   7460,   7200,   6950,   6710,   6470,   6250,   6040,   5830,
 313 5640,   5450,   5260,   5090,   4920,   4760,   4600,   4450,   4310,   4170,
 314 4040,   3910,   3790,   3670,   3550
 315 };
 316
 317 static struct twl4030_bci_platform_data sdp3430_bci_data = {
 318       .battery_tmp_tbl  = sdp3430_batt_table,
 319       .tblsize          = ARRAY_SIZE(sdp3430_batt_table),
 320 };
 321
 322 static struct twl4030_gpio_platform_data sdp3430_gpio_data = {
 323         .gpio_base      = OMAP_MAX_GPIO_LINES,
 324         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 325         .irq_end        = TWL4030_GPIO_IRQ_END,
 326 };
 327
 328 static struct twl4030_usb_data sdp3430_usb_data = {
 329         .usb_mode       = T2_USB_MODE_ULPI,
 330 };
 331
 332 static struct twl4030_madc_platform_data sdp3430_madc_data = {
 333         .irq_line       = 1,
 334 };
 335
 336
 337 static struct twl4030_ins __initdata sleep_on_seq[] = {
 338 /*
 339  * Turn off VDD1 and VDD2.
 340  */
 341         {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_OFF), 4},
 342         {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_OFF), 2},
 343 #ifdef CONFIG_DISABLE_HFCLK
 344 /*
 345  * And also turn off the OMAP3 PLLs and the sysclk output.
 346  */
 347         {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_OFF), 3},
 348         {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_OFF), 3},
 349 #endif
 350 };
 351
 352 static struct twl4030_script sleep_on_script __initdata = {
 353         .script = sleep_on_seq,
 354         .size   = ARRAY_SIZE(sleep_on_seq),
 355         .flags  = TRITON_SLEEP_SCRIPT,
 356 };
 357
 358 static struct twl4030_ins wakeup_seq[] __initdata = {
 359 #ifndef CONFIG_DISABLE_HFCLK
 360 /*
 361  * Wakeup VDD1 and VDD2.
 362  */
 363         {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 4},
 364         {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 2},
 365 #else
 366 /*
 367  * Reenable the OMAP3 PLLs.
 368  * Wakeup VDD1 and VDD2.
 369  * Reenable sysclk output.
 370  */
 371         {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_ACTIVE), 0x30},
 372         {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 0x30},
 373         {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 0x37},
 374         {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 3},
 375 #endif /* #ifndef CONFIG_DISABLE_HFCLK */
 376 };
 377
 378 static struct twl4030_script wakeup_script __initdata = {
 379         .script = wakeup_seq,
 380         .size   = ARRAY_SIZE(wakeup_seq),
 381         .flags  = TRITON_WAKEUP12_SCRIPT | TRITON_WAKEUP3_SCRIPT,
 382 };
 383
 384 static struct twl4030_ins wrst_seq[] __initdata = {
 385 /*
 386  * Reset twl4030.
 387  * Reset VDD1 regulator.
 388  * Reset VDD2 regulator.
 389  * Reset VPLL1 regulator.
 390  * Enable sysclk output.
 391  * Reenable twl4030.
 392  */
 393         {MSG_SINGULAR(DEV_GRP_NULL, 0x1b, RES_STATE_OFF), 2},
 394         {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_WRST), 15},
 395         {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_WRST), 15},
 396         {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_WRST), 0x60},
 397         {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 2},
 398         {MSG_SINGULAR(DEV_GRP_NULL, 0x1b, RES_STATE_ACTIVE), 2},
 399 };
 400 static struct twl4030_script wrst_script __initdata = {
 401         .script = wrst_seq,
 402         .size   = ARRAY_SIZE(wakeup_seq),
 403         .flags  = TRITON_WRST_SCRIPT,
 404 };
 405
 406 static struct twl4030_script *twl4030_scripts[] __initdata = {
 407         &sleep_on_script,
 408         &wakeup_script,
 409         &wrst_script,
 410 };
 411
 412 static struct twl4030_power_data sdp3430_t2scripts_data __initdata = {
 413         .scripts        = twl4030_scripts,
 414         .size           = ARRAY_SIZE(twl4030_scripts),
 415 };
 416
 417 static struct twl4030_platform_data sdp3430_twldata = {
 418         .irq_base       = TWL4030_IRQ_BASE,
 419         .irq_end        = TWL4030_IRQ_END,
 420
 421         /* platform_data for children goes here */
 422         .bci            = &sdp3430_bci_data,
 423         .gpio           = &sdp3430_gpio_data,
 424         .madc           = &sdp3430_madc_data,
 425         .keypad         = &sdp3430_kp_data,
 426         .power          = &sdp3430_t2scripts_data,
 427         .usb            = &sdp3430_usb_data,
 428 };
 429
 430 static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = {
 431         {
 432                 I2C_BOARD_INFO("twl4030", 0x48),
 433                 .flags = I2C_CLIENT_WAKE,
 434                 .irq = INT_34XX_SYS_NIRQ,
 435                 .platform_data = &sdp3430_twldata,
 436         },
 437 };
 438
 439 static int __init omap3430_i2c_init(void)
 440 {
 441         omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo,
 442                         ARRAY_SIZE(sdp3430_i2c_boardinfo));
 443         omap_register_i2c_bus(2, 400, NULL, 0);
 444         omap_register_i2c_bus(3, 400, NULL, 0);
 445         return 0;
 446 }
 447
 448 static struct twl4030_hsmmc_info mmc[] __initdata = {
 449         {
 450                 .mmc            = 1,
 451                 .wires          = 8,
 452                 .gpio_cd        = -EINVAL,
 453                 .gpio_wp        = -EINVAL,
 454         },
 455         {
 456                 .mmc            = 2,
 457                 .wires          = 8,
 458                 .gpio_cd        = -EINVAL,
 459                 .gpio_wp        = -EINVAL,
 460         },
 461         {}      /* Terminator */
 462 };
 463
 464 extern void __init sdp3430_flash_init(void);
 465
 466 static void __init omap_3430sdp_init(void)
 467 {
 468         omap3430_i2c_init();
 469         platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
 470         omap_board_config = sdp3430_config;
 471         omap_board_config_size = ARRAY_SIZE(sdp3430_config);
 472         if (omap_rev() > OMAP3430_REV_ES1_0)
 473                 ts_gpio = OMAP34XX_TS_GPIO_IRQ_SDPV2;
 474         else
 475                 ts_gpio = OMAP34XX_TS_GPIO_IRQ_SDPV1;
 476         sdp3430_spi_board_info[0].irq = OMAP_GPIO_IRQ(ts_gpio);
 477         spi_register_board_info(sdp3430_spi_board_info,
 478                                 ARRAY_SIZE(sdp3430_spi_board_info));
 479         ads7846_dev_init();
 480         sdp3430_flash_init();
 481         msecure_init();
 482         omap_serial_init();
 483         usb_musb_init();
 484         usb_ehci_init();
 485         hsmmc_init(mmc);
 486 }
 487
 488 static void __init omap_3430sdp_map_io(void)
 489 {
 490         omap2_set_globals_343x();
 491         omap2_map_common_io();
 492 }
 493
 494 MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
 495         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 496         .phys_io        = 0x48000000,
 497         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 498         .boot_params    = 0x80000100,
 499         .map_io         = omap_3430sdp_map_io,
 500         .init_irq       = omap_3430sdp_init_irq,
 501         .init_machine   = omap_3430sdp_init,
 502         .timer          = &omap_timer,
 503 MACHINE_END