arch/arm/mach-imx/mach-mx35_3ds.c

   1 /*
   2  * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
   3  * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
   4  *
   5  * Author: Fabio Estevam <fabio.estevam@freescale.com>
   6  *
   7  * Copyright (C) 2011 Meprolight, Ltd.
   8  * Alex Gershgorin <alexg@meprolight.com>
   9  *
  10  * Modified from i.MX31 3-Stack Development System
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  */
  22
  23 /*
  24  * This machine is known as:
  25  *  - i.MX35 3-Stack Development System
  26  *  - i.MX35 Platform Development Kit (i.MX35 PDK)
  27  */
  28
  29 #include <linux/types.h>
  30 #include <linux/init.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/memory.h>
  33 #include <linux/gpio.h>
  34 #include <linux/usb/otg.h>
  35
  36 #include <linux/mtd/physmap.h>
  37 #include <linux/mfd/mc13892.h>
  38 #include <linux/regulator/machine.h>
  39
  40 #include <asm/mach-types.h>
  41 #include <asm/mach/arch.h>
  42 #include <asm/mach/time.h>
  43 #include <asm/mach/map.h>
  44
  45 #include <video/platform_lcd.h>
  46
  47 #include "3ds_debugboard.h"
  48 #include "common.h"
  49 #include "devices-imx35.h"
  50 #include "ehci.h"
  51 #include "hardware.h"
  52 #include "iomux-mx35.h"
  53
  54 #define GPIO_MC9S08DZ60_GPS_ENABLE 0
  55 #define GPIO_MC9S08DZ60_HDD_ENABLE 4
  56 #define GPIO_MC9S08DZ60_WIFI_ENABLE 5
  57 #define GPIO_MC9S08DZ60_LCD_ENABLE 6
  58 #define GPIO_MC9S08DZ60_SPEAKER_ENABLE 8
  59
  60 static const struct fb_videomode fb_modedb[] = {
  61         {
  62                  /* 800x480 @ 55 Hz */
  63                 .name = "Ceramate-CLAA070VC01",
  64                 .refresh = 55,
  65                 .xres = 800,
  66                 .yres = 480,
  67                 .pixclock = 40000,
  68                 .left_margin = 40,
  69                 .right_margin = 40,
  70                 .upper_margin = 5,
  71                 .lower_margin = 5,
  72                 .hsync_len = 20,
  73                 .vsync_len = 10,
  74                 .sync = FB_SYNC_OE_ACT_HIGH,
  75                 .vmode = FB_VMODE_NONINTERLACED,
  76                 .flag = 0,
  77          },
  78 };
  79
  80 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
  81         .name = "Ceramate-CLAA070VC01",
  82         .mode = fb_modedb,
  83         .num_modes = ARRAY_SIZE(fb_modedb),
  84 };
  85
  86 static struct i2c_board_info __initdata i2c_devices_3ds[] = {
  87         {
  88                 I2C_BOARD_INFO("mc9s08dz60", 0x69),
  89         },
  90 };
  91
  92 static int lcd_power_gpio = -ENXIO;
  93
  94 static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip, void *data)
  95 {
  96         return !strcmp(chip->label, data);
  97 }
  98
  99 static void mx35_3ds_lcd_set_power(
 100                                 struct plat_lcd_data *pd, unsigned int power)
 101 {
 102         struct gpio_chip *chip;
 103
 104         if (!gpio_is_valid(lcd_power_gpio)) {
 105                 chip = gpiochip_find(
 106                                 "mc9s08dz60", mc9s08dz60_gpiochip_match);
 107                 if (chip) {
 108                         lcd_power_gpio =
 109                                 chip->base + GPIO_MC9S08DZ60_LCD_ENABLE;
 110                         if (gpio_request(lcd_power_gpio, "lcd_power") < 0) {
 111                                 pr_err("error: gpio already requested!\n");
 112                                 lcd_power_gpio = -ENXIO;
 113                         }
 114                 } else {
 115                         pr_err("error: didn't find mc9s08dz60 gpio chip\n");
 116                 }
 117         }
 118
 119         if (gpio_is_valid(lcd_power_gpio))
 120                 gpio_set_value_cansleep(lcd_power_gpio, power);
 121 }
 122
 123 static struct plat_lcd_data mx35_3ds_lcd_data = {
 124         .set_power = mx35_3ds_lcd_set_power,
 125 };
 126
 127 static struct platform_device mx35_3ds_lcd = {
 128         .name = "platform-lcd",
 129         .dev.platform_data = &mx35_3ds_lcd_data,
 130 };
 131
 132 static const struct imxuart_platform_data uart_pdata __initconst = {
 133         .flags = IMXUART_HAVE_RTSCTS,
 134 };
 135
 136 static struct physmap_flash_data mx35pdk_flash_data = {
 137         .width  = 2,
 138 };
 139
 140 static struct resource mx35pdk_flash_resource = {
 141         .start  = MX35_CS0_BASE_ADDR,
 142         .end    = MX35_CS0_BASE_ADDR + SZ_64M - 1,
 143         .flags  = IORESOURCE_MEM,
 144 };
 145
 146 static struct platform_device mx35pdk_flash = {
 147         .name   = "physmap-flash",
 148         .id     = 0,
 149         .dev    = {
 150                 .platform_data  = &mx35pdk_flash_data,
 151         },
 152         .resource = &mx35pdk_flash_resource,
 153         .num_resources = 1,
 154 };
 155
 156 static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
 157         .width = 1,
 158         .hw_ecc = 1,
 159         .flash_bbt = 1,
 160 };
 161
 162 static struct platform_device *devices[] __initdata = {
 163         &mx35pdk_flash,
 164 };
 165
 166 static const iomux_v3_cfg_t mx35pdk_pads[] __initconst = {
 167         /* UART1 */
 168         MX35_PAD_CTS1__UART1_CTS,
 169         MX35_PAD_RTS1__UART1_RTS,
 170         MX35_PAD_TXD1__UART1_TXD_MUX,
 171         MX35_PAD_RXD1__UART1_RXD_MUX,
 172         /* FEC */
 173         MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
 174         MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
 175         MX35_PAD_FEC_RX_DV__FEC_RX_DV,
 176         MX35_PAD_FEC_COL__FEC_COL,
 177         MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
 178         MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
 179         MX35_PAD_FEC_TX_EN__FEC_TX_EN,
 180         MX35_PAD_FEC_MDC__FEC_MDC,
 181         MX35_PAD_FEC_MDIO__FEC_MDIO,
 182         MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
 183         MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
 184         MX35_PAD_FEC_CRS__FEC_CRS,
 185         MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
 186         MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
 187         MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
 188         MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
 189         MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
 190         MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
 191         /* USBOTG */
 192         MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
 193         MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
 194         /* USBH1 */
 195         MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
 196         MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
 197         /* SDCARD */
 198         MX35_PAD_SD1_CMD__ESDHC1_CMD,
 199         MX35_PAD_SD1_CLK__ESDHC1_CLK,
 200         MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 201         MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 202         MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 203         MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 204         /* I2C1 */
 205         MX35_PAD_I2C1_CLK__I2C1_SCL,
 206         MX35_PAD_I2C1_DAT__I2C1_SDA,
 207         /* Display */
 208         MX35_PAD_LD0__IPU_DISPB_DAT_0,
 209         MX35_PAD_LD1__IPU_DISPB_DAT_1,
 210         MX35_PAD_LD2__IPU_DISPB_DAT_2,
 211         MX35_PAD_LD3__IPU_DISPB_DAT_3,
 212         MX35_PAD_LD4__IPU_DISPB_DAT_4,
 213         MX35_PAD_LD5__IPU_DISPB_DAT_5,
 214         MX35_PAD_LD6__IPU_DISPB_DAT_6,
 215         MX35_PAD_LD7__IPU_DISPB_DAT_7,
 216         MX35_PAD_LD8__IPU_DISPB_DAT_8,
 217         MX35_PAD_LD9__IPU_DISPB_DAT_9,
 218         MX35_PAD_LD10__IPU_DISPB_DAT_10,
 219         MX35_PAD_LD11__IPU_DISPB_DAT_11,
 220         MX35_PAD_LD12__IPU_DISPB_DAT_12,
 221         MX35_PAD_LD13__IPU_DISPB_DAT_13,
 222         MX35_PAD_LD14__IPU_DISPB_DAT_14,
 223         MX35_PAD_LD15__IPU_DISPB_DAT_15,
 224         MX35_PAD_LD16__IPU_DISPB_DAT_16,
 225         MX35_PAD_LD17__IPU_DISPB_DAT_17,
 226         MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
 227         MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
 228         MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
 229         MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
 230         MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
 231         MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
 232         MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
 233         /*PMIC IRQ*/
 234         MX35_PAD_GPIO2_0__GPIO2_0,
 235 };
 236
 237 static struct regulator_consumer_supply sw1_consumers[] = {
 238         {
 239                 .supply = "cpu_vcc",
 240         }
 241 };
 242
 243 static struct regulator_consumer_supply vcam_consumers[] = {
 244         /* sgtl5000 */
 245         REGULATOR_SUPPLY("VDDA", "0-000a"),
 246 };
 247
 248 static struct regulator_init_data sw1_init = {
 249         .constraints = {
 250                 .name = "SW1",
 251                 .min_uV = 600000,
 252                 .max_uV = 1375000,
 253                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 254                 .valid_modes_mask = 0,
 255                 .always_on = 1,
 256                 .boot_on = 1,
 257         },
 258         .num_consumer_supplies = ARRAY_SIZE(sw1_consumers),
 259         .consumer_supplies = sw1_consumers,
 260 };
 261
 262 static struct regulator_init_data sw2_init = {
 263         .constraints = {
 264                 .name = "SW2",
 265                 .always_on = 1,
 266                 .boot_on = 1,
 267         }
 268 };
 269
 270 static struct regulator_init_data sw3_init = {
 271         .constraints = {
 272                 .name = "SW3",
 273                 .always_on = 1,
 274                 .boot_on = 1,
 275         }
 276 };
 277
 278 static struct regulator_init_data sw4_init = {
 279         .constraints = {
 280                 .name = "SW4",
 281                 .always_on = 1,
 282                 .boot_on = 1,
 283         }
 284 };
 285
 286 static struct regulator_init_data viohi_init = {
 287         .constraints = {
 288                 .name = "VIOHI",
 289                 .boot_on = 1,
 290         }
 291 };
 292
 293 static struct regulator_init_data vusb_init = {
 294         .constraints = {
 295                 .name = "VUSB",
 296                 .boot_on = 1,
 297         }
 298 };
 299
 300 static struct regulator_init_data vdig_init = {
 301         .constraints = {
 302                 .name = "VDIG",
 303                 .boot_on = 1,
 304         }
 305 };
 306
 307 static struct regulator_init_data vpll_init = {
 308         .constraints = {
 309                 .name = "VPLL",
 310                 .boot_on = 1,
 311         }
 312 };
 313
 314 static struct regulator_init_data vusb2_init = {
 315         .constraints = {
 316                 .name = "VUSB2",
 317                 .boot_on = 1,
 318         }
 319 };
 320
 321 static struct regulator_init_data vvideo_init = {
 322         .constraints = {
 323                 .name = "VVIDEO",
 324                 .boot_on = 1
 325         }
 326 };
 327
 328 static struct regulator_init_data vcam_init = {
 329         .constraints = {
 330                 .name = "VCAM",
 331                 .min_uV = 2500000,
 332                 .max_uV = 3000000,
 333                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 334                                         REGULATOR_CHANGE_MODE,
 335                 .valid_modes_mask = REGULATOR_MODE_FAST | REGULATOR_MODE_NORMAL,
 336                 .boot_on = 1
 337         },
 338         .num_consumer_supplies = ARRAY_SIZE(vcam_consumers),
 339         .consumer_supplies = vcam_consumers,
 340 };
 341
 342 static struct regulator_init_data vgen1_init = {
 343         .constraints = {
 344                 .name = "VGEN1",
 345         }
 346 };
 347
 348 static struct regulator_init_data vgen2_init = {
 349         .constraints = {
 350                 .name = "VGEN2",
 351                 .boot_on = 1,
 352         }
 353 };
 354
 355 static struct regulator_init_data vgen3_init = {
 356         .constraints = {
 357                 .name = "VGEN3",
 358         }
 359 };
 360
 361 static struct mc13xxx_regulator_init_data mx35_3ds_regulators[] = {
 362         { .id = MC13892_SW1, .init_data = &sw1_init },
 363         { .id = MC13892_SW2, .init_data = &sw2_init },
 364         { .id = MC13892_SW3, .init_data = &sw3_init },
 365         { .id = MC13892_SW4, .init_data = &sw4_init },
 366         { .id = MC13892_VIOHI, .init_data = &viohi_init },
 367         { .id = MC13892_VPLL, .init_data = &vpll_init },
 368         { .id = MC13892_VDIG, .init_data = &vdig_init },
 369         { .id = MC13892_VUSB2, .init_data = &vusb2_init },
 370         { .id = MC13892_VVIDEO, .init_data = &vvideo_init },
 371         { .id = MC13892_VCAM, .init_data = &vcam_init },
 372         { .id = MC13892_VGEN1, .init_data = &vgen1_init },
 373         { .id = MC13892_VGEN2, .init_data = &vgen2_init },
 374         { .id = MC13892_VGEN3, .init_data = &vgen3_init },
 375         { .id = MC13892_VUSB, .init_data = &vusb_init },
 376 };
 377
 378 static struct mc13xxx_platform_data mx35_3ds_mc13892_data = {
 379         .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
 380         .regulators = {
 381                 .num_regulators = ARRAY_SIZE(mx35_3ds_regulators),
 382                 .regulators = mx35_3ds_regulators,
 383         },
 384 };
 385
 386 #define GPIO_PMIC_INT IMX_GPIO_NR(2, 0)
 387
 388 static struct i2c_board_info mx35_3ds_i2c_mc13892 = {
 389
 390         I2C_BOARD_INFO("mc13892", 0x08),
 391         .platform_data = &mx35_3ds_mc13892_data,
 392         /* irq number is run-time assigned */
 393 };
 394
 395 static void __init imx35_3ds_init_mc13892(void)
 396 {
 397         int ret = gpio_request_one(GPIO_PMIC_INT, GPIOF_DIR_IN, "pmic irq");
 398
 399         if (ret) {
 400                 pr_err("failed to get pmic irq: %d\n", ret);
 401                 return;
 402         }
 403
 404         mx35_3ds_i2c_mc13892.irq = gpio_to_irq(GPIO_PMIC_INT);
 405         i2c_register_board_info(0, &mx35_3ds_i2c_mc13892, 1);
 406 }
 407
 408 static int mx35_3ds_otg_init(struct platform_device *pdev)
 409 {
 410         return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
 411 }
 412
 413 /* OTG config */
 414 static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = {
 415         .operating_mode = FSL_USB2_DR_DEVICE,
 416         .phy_mode       = FSL_USB2_PHY_UTMI_WIDE,
 417         .workaround     = FLS_USB2_WORKAROUND_ENGCM09152,
 418 /*
 419  * ENGCM09152 also requires a hardware change.
 420  * Please check the MX35 Chip Errata document for details.
 421  */
 422 };
 423
 424 static struct mxc_usbh_platform_data otg_pdata __initdata = {
 425         .init   = mx35_3ds_otg_init,
 426         .portsc = MXC_EHCI_MODE_UTMI,
 427 };
 428
 429 static int mx35_3ds_usbh_init(struct platform_device *pdev)
 430 {
 431         return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
 432                           MXC_EHCI_INTERNAL_PHY);
 433 }
 434
 435 /* USB HOST config */
 436 static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
 437         .init           = mx35_3ds_usbh_init,
 438         .portsc         = MXC_EHCI_MODE_SERIAL,
 439 };
 440
 441 static bool otg_mode_host __initdata;
 442
 443 static int __init mx35_3ds_otg_mode(char *options)
 444 {
 445         if (!strcmp(options, "host"))
 446                 otg_mode_host = true;
 447         else if (!strcmp(options, "device"))
 448                 otg_mode_host = false;
 449         else
 450                 pr_info("otg_mode neither \"host\" nor \"device\". "
 451                         "Defaulting to device\n");
 452         return 1;
 453 }
 454 __setup("otg_mode=", mx35_3ds_otg_mode);
 455
 456 static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
 457         .bitrate = 100000,
 458 };
 459
 460 /*
 461  * Board specific initialization.
 462  */
 463 static void __init mx35_3ds_init(void)
 464 {
 465         imx35_soc_init();
 466
 467         mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
 468
 469         imx35_add_fec(NULL);
 470         imx35_add_imx2_wdt();
 471         imx35_add_mxc_rtc();
 472         platform_add_devices(devices, ARRAY_SIZE(devices));
 473
 474         imx35_add_imx_uart0(&uart_pdata);
 475
 476         if (otg_mode_host)
 477                 imx35_add_mxc_ehci_otg(&otg_pdata);
 478
 479         imx35_add_mxc_ehci_hs(&usb_host_pdata);
 480
 481         if (!otg_mode_host)
 482                 imx35_add_fsl_usb2_udc(&usb_otg_pdata);
 483
 484         imx35_add_mxc_nand(&mx35pdk_nand_board_info);
 485         imx35_add_sdhci_esdhc_imx(0, NULL);
 486
 487         imx35_add_imx_i2c0(&mx35_3ds_i2c0_data);
 488
 489         i2c_register_board_info(
 490                 0, i2c_devices_3ds, ARRAY_SIZE(i2c_devices_3ds));
 491
 492         imx35_add_ipu_core();
 493 }
 494
 495 static void __init mx35_3ds_late_init(void)
 496 {
 497         struct platform_device *imx35_fb_pdev;
 498
 499         if (mxc_expio_init(MX35_CS5_BASE_ADDR, IMX_GPIO_NR(1, 1)))
 500                 pr_warn("Init of the debugboard failed, all "
 501                         "devices on the debugboard are unusable.\n");
 502
 503         imx35_fb_pdev = imx35_add_mx3_sdc_fb(&mx3fb_pdata);
 504         mx35_3ds_lcd.dev.parent = &imx35_fb_pdev->dev;
 505         platform_device_register(&mx35_3ds_lcd);
 506
 507         imx35_3ds_init_mc13892();
 508 }
 509
 510 static void __init mx35pdk_timer_init(void)
 511 {
 512         mx35_clocks_init();
 513 }
 514
 515 MACHINE_START(MX35_3DS, "Freescale MX35PDK")
 516         /* Maintainer: Freescale Semiconductor, Inc */
 517         .atag_offset = 0x100,
 518         .map_io = mx35_map_io,
 519         .init_early = imx35_init_early,
 520         .init_irq = mx35_init_irq,
 521         .init_time      = mx35pdk_timer_init,
 522         .init_machine = mx35_3ds_init,
 523         .init_late      = mx35_3ds_late_init,
 524         .restart        = mxc_restart,
 525 MACHINE_END