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

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
   4  * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
   5  *
   6  * Author: Fabio Estevam <fabio.estevam@freescale.com>
   7  *
   8  * Copyright (C) 2011 Meprolight, Ltd.
   9  * Alex Gershgorin <alexg@meprolight.com>
  10  *
  11  * Modified from i.MX31 3-Stack Development System
  12  */
  13
  14 /*
  15  * This machine is known as:
  16  *  - i.MX35 3-Stack Development System
  17  *  - i.MX35 Platform Development Kit (i.MX35 PDK)
  18  */
  19
  20 #include <linux/types.h>
  21 #include <linux/init.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/memory.h>
  24 #include <linux/gpio.h>
  25 #include <linux/usb/otg.h>
  26
  27 #include <linux/mtd/physmap.h>
  28 #include <linux/mfd/mc13892.h>
  29 #include <linux/regulator/machine.h>
  30
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/time.h>
  34 #include <asm/mach/map.h>
  35
  36 #include <video/platform_lcd.h>
  37
  38 #include "3ds_debugboard.h"
  39 #include "common.h"
  40 #include "devices-imx35.h"
  41 #include "ehci.h"
  42 #include "hardware.h"
  43 #include "iomux-mx35.h"
  44
  45 #define GPIO_MC9S08DZ60_GPS_ENABLE 0
  46 #define GPIO_MC9S08DZ60_HDD_ENABLE 4
  47 #define GPIO_MC9S08DZ60_WIFI_ENABLE 5
  48 #define GPIO_MC9S08DZ60_LCD_ENABLE 6
  49 #define GPIO_MC9S08DZ60_SPEAKER_ENABLE 8
  50
  51 static const struct fb_videomode fb_modedb[] = {
  52         {
  53                  /* 800x480 @ 55 Hz */
  54                 .name = "Ceramate-CLAA070VC01",
  55                 .refresh = 55,
  56                 .xres = 800,
  57                 .yres = 480,
  58                 .pixclock = 40000,
  59                 .left_margin = 40,
  60                 .right_margin = 40,
  61                 .upper_margin = 5,
  62                 .lower_margin = 5,
  63                 .hsync_len = 20,
  64                 .vsync_len = 10,
  65                 .sync = FB_SYNC_OE_ACT_HIGH,
  66                 .vmode = FB_VMODE_NONINTERLACED,
  67                 .flag = 0,
  68          },
  69 };
  70
  71 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
  72         .name = "Ceramate-CLAA070VC01",
  73         .mode = fb_modedb,
  74         .num_modes = ARRAY_SIZE(fb_modedb),
  75 };
  76
  77 static struct i2c_board_info __initdata i2c_devices_3ds[] = {
  78         {
  79                 I2C_BOARD_INFO("mc9s08dz60", 0x69),
  80         },
  81 };
  82
  83 static int lcd_power_gpio = -ENXIO;
  84
  85 static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip, void *data)
  86 {
  87         return !strcmp(chip->label, data);
  88 }
  89
  90 static void mx35_3ds_lcd_set_power(
  91                                 struct plat_lcd_data *pd, unsigned int power)
  92 {
  93         struct gpio_chip *chip;
  94
  95         if (!gpio_is_valid(lcd_power_gpio)) {
  96                 chip = gpiochip_find(
  97                                 "mc9s08dz60", mc9s08dz60_gpiochip_match);
  98                 if (chip) {
  99                         lcd_power_gpio =
 100                                 chip->base + GPIO_MC9S08DZ60_LCD_ENABLE;
 101                         if (gpio_request(lcd_power_gpio, "lcd_power") < 0) {
 102                                 pr_err("error: gpio already requested!\n");
 103                                 lcd_power_gpio = -ENXIO;
 104                         }
 105                 } else {
 106                         pr_err("error: didn't find mc9s08dz60 gpio chip\n");
 107                 }
 108         }
 109
 110         if (gpio_is_valid(lcd_power_gpio))
 111                 gpio_set_value_cansleep(lcd_power_gpio, power);
 112 }
 113
 114 static struct plat_lcd_data mx35_3ds_lcd_data = {
 115         .set_power = mx35_3ds_lcd_set_power,
 116 };
 117
 118 static struct platform_device mx35_3ds_lcd = {
 119         .name = "platform-lcd",
 120         .dev.platform_data = &mx35_3ds_lcd_data,
 121 };
 122
 123 static const struct imxuart_platform_data uart_pdata __initconst = {
 124         .flags = IMXUART_HAVE_RTSCTS,
 125 };
 126
 127 static struct physmap_flash_data mx35pdk_flash_data = {
 128         .width  = 2,
 129 };
 130
 131 static struct resource mx35pdk_flash_resource = {
 132         .start  = MX35_CS0_BASE_ADDR,
 133         .end    = MX35_CS0_BASE_ADDR + SZ_64M - 1,
 134         .flags  = IORESOURCE_MEM,
 135 };
 136
 137 static struct platform_device mx35pdk_flash = {
 138         .name   = "physmap-flash",
 139         .id     = 0,
 140         .dev    = {
 141                 .platform_data  = &mx35pdk_flash_data,
 142         },
 143         .resource = &mx35pdk_flash_resource,
 144         .num_resources = 1,
 145 };
 146
 147 static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
 148         .width = 1,
 149         .hw_ecc = 1,
 150         .flash_bbt = 1,
 151 };
 152
 153 static struct platform_device *devices[] __initdata = {
 154         &mx35pdk_flash,
 155 };
 156
 157 static const iomux_v3_cfg_t mx35pdk_pads[] __initconst = {
 158         /* UART1 */
 159         MX35_PAD_CTS1__UART1_CTS,
 160         MX35_PAD_RTS1__UART1_RTS,
 161         MX35_PAD_TXD1__UART1_TXD_MUX,
 162         MX35_PAD_RXD1__UART1_RXD_MUX,
 163         /* FEC */
 164         MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
 165         MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
 166         MX35_PAD_FEC_RX_DV__FEC_RX_DV,
 167         MX35_PAD_FEC_COL__FEC_COL,
 168         MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
 169         MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
 170         MX35_PAD_FEC_TX_EN__FEC_TX_EN,
 171         MX35_PAD_FEC_MDC__FEC_MDC,
 172         MX35_PAD_FEC_MDIO__FEC_MDIO,
 173         MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
 174         MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
 175         MX35_PAD_FEC_CRS__FEC_CRS,
 176         MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
 177         MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
 178         MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
 179         MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
 180         MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
 181         MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
 182         /* USBOTG */
 183         MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
 184         MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
 185         /* USBH1 */
 186         MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
 187         MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
 188         /* SDCARD */
 189         MX35_PAD_SD1_CMD__ESDHC1_CMD,
 190         MX35_PAD_SD1_CLK__ESDHC1_CLK,
 191         MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 192         MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 193         MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 194         MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 195         /* I2C1 */
 196         MX35_PAD_I2C1_CLK__I2C1_SCL,
 197         MX35_PAD_I2C1_DAT__I2C1_SDA,
 198         /* Display */
 199         MX35_PAD_LD0__IPU_DISPB_DAT_0,
 200         MX35_PAD_LD1__IPU_DISPB_DAT_1,
 201         MX35_PAD_LD2__IPU_DISPB_DAT_2,
 202         MX35_PAD_LD3__IPU_DISPB_DAT_3,
 203         MX35_PAD_LD4__IPU_DISPB_DAT_4,
 204         MX35_PAD_LD5__IPU_DISPB_DAT_5,
 205         MX35_PAD_LD6__IPU_DISPB_DAT_6,
 206         MX35_PAD_LD7__IPU_DISPB_DAT_7,
 207         MX35_PAD_LD8__IPU_DISPB_DAT_8,
 208         MX35_PAD_LD9__IPU_DISPB_DAT_9,
 209         MX35_PAD_LD10__IPU_DISPB_DAT_10,
 210         MX35_PAD_LD11__IPU_DISPB_DAT_11,
 211         MX35_PAD_LD12__IPU_DISPB_DAT_12,
 212         MX35_PAD_LD13__IPU_DISPB_DAT_13,
 213         MX35_PAD_LD14__IPU_DISPB_DAT_14,
 214         MX35_PAD_LD15__IPU_DISPB_DAT_15,
 215         MX35_PAD_LD16__IPU_DISPB_DAT_16,
 216         MX35_PAD_LD17__IPU_DISPB_DAT_17,
 217         MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
 218         MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
 219         MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
 220         MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
 221         MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
 222         MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
 223         MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
 224         /*PMIC IRQ*/
 225         MX35_PAD_GPIO2_0__GPIO2_0,
 226 };
 227
 228 static struct regulator_consumer_supply sw1_consumers[] = {
 229         {
 230                 .supply = "cpu_vcc",
 231         }
 232 };
 233
 234 static struct regulator_consumer_supply vcam_consumers[] = {
 235         /* sgtl5000 */
 236         REGULATOR_SUPPLY("VDDA", "0-000a"),
 237 };
 238
 239 static struct regulator_init_data sw1_init = {
 240         .constraints = {
 241                 .name = "SW1",
 242                 .min_uV = 600000,
 243                 .max_uV = 1375000,
 244                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 245                 .valid_modes_mask = 0,
 246                 .always_on = 1,
 247                 .boot_on = 1,
 248         },
 249         .num_consumer_supplies = ARRAY_SIZE(sw1_consumers),
 250         .consumer_supplies = sw1_consumers,
 251 };
 252
 253 static struct regulator_init_data sw2_init = {
 254         .constraints = {
 255                 .name = "SW2",
 256                 .always_on = 1,
 257                 .boot_on = 1,
 258         }
 259 };
 260
 261 static struct regulator_init_data sw3_init = {
 262         .constraints = {
 263                 .name = "SW3",
 264                 .always_on = 1,
 265                 .boot_on = 1,
 266         }
 267 };
 268
 269 static struct regulator_init_data sw4_init = {
 270         .constraints = {
 271                 .name = "SW4",
 272                 .always_on = 1,
 273                 .boot_on = 1,
 274         }
 275 };
 276
 277 static struct regulator_init_data viohi_init = {
 278         .constraints = {
 279                 .name = "VIOHI",
 280                 .boot_on = 1,
 281         }
 282 };
 283
 284 static struct regulator_init_data vusb_init = {
 285         .constraints = {
 286                 .name = "VUSB",
 287                 .boot_on = 1,
 288         }
 289 };
 290
 291 static struct regulator_init_data vdig_init = {
 292         .constraints = {
 293                 .name = "VDIG",
 294                 .boot_on = 1,
 295         }
 296 };
 297
 298 static struct regulator_init_data vpll_init = {
 299         .constraints = {
 300                 .name = "VPLL",
 301                 .boot_on = 1,
 302         }
 303 };
 304
 305 static struct regulator_init_data vusb2_init = {
 306         .constraints = {
 307                 .name = "VUSB2",
 308                 .boot_on = 1,
 309         }
 310 };
 311
 312 static struct regulator_init_data vvideo_init = {
 313         .constraints = {
 314                 .name = "VVIDEO",
 315                 .boot_on = 1
 316         }
 317 };
 318
 319 static struct regulator_init_data vcam_init = {
 320         .constraints = {
 321                 .name = "VCAM",
 322                 .min_uV = 2500000,
 323                 .max_uV = 3000000,
 324                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 325                                         REGULATOR_CHANGE_MODE,
 326                 .valid_modes_mask = REGULATOR_MODE_FAST | REGULATOR_MODE_NORMAL,
 327                 .boot_on = 1
 328         },
 329         .num_consumer_supplies = ARRAY_SIZE(vcam_consumers),
 330         .consumer_supplies = vcam_consumers,
 331 };
 332
 333 static struct regulator_init_data vgen1_init = {
 334         .constraints = {
 335                 .name = "VGEN1",
 336         }
 337 };
 338
 339 static struct regulator_init_data vgen2_init = {
 340         .constraints = {
 341                 .name = "VGEN2",
 342                 .boot_on = 1,
 343         }
 344 };
 345
 346 static struct regulator_init_data vgen3_init = {
 347         .constraints = {
 348                 .name = "VGEN3",
 349         }
 350 };
 351
 352 static struct mc13xxx_regulator_init_data mx35_3ds_regulators[] = {
 353         { .id = MC13892_SW1, .init_data = &sw1_init },
 354         { .id = MC13892_SW2, .init_data = &sw2_init },
 355         { .id = MC13892_SW3, .init_data = &sw3_init },
 356         { .id = MC13892_SW4, .init_data = &sw4_init },
 357         { .id = MC13892_VIOHI, .init_data = &viohi_init },
 358         { .id = MC13892_VPLL, .init_data = &vpll_init },
 359         { .id = MC13892_VDIG, .init_data = &vdig_init },
 360         { .id = MC13892_VUSB2, .init_data = &vusb2_init },
 361         { .id = MC13892_VVIDEO, .init_data = &vvideo_init },
 362         { .id = MC13892_VCAM, .init_data = &vcam_init },
 363         { .id = MC13892_VGEN1, .init_data = &vgen1_init },
 364         { .id = MC13892_VGEN2, .init_data = &vgen2_init },
 365         { .id = MC13892_VGEN3, .init_data = &vgen3_init },
 366         { .id = MC13892_VUSB, .init_data = &vusb_init },
 367 };
 368
 369 static struct mc13xxx_platform_data mx35_3ds_mc13892_data = {
 370         .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
 371         .regulators = {
 372                 .num_regulators = ARRAY_SIZE(mx35_3ds_regulators),
 373                 .regulators = mx35_3ds_regulators,
 374         },
 375 };
 376
 377 #define GPIO_PMIC_INT IMX_GPIO_NR(2, 0)
 378
 379 static struct i2c_board_info mx35_3ds_i2c_mc13892 = {
 380
 381         I2C_BOARD_INFO("mc13892", 0x08),
 382         .platform_data = &mx35_3ds_mc13892_data,
 383         /* irq number is run-time assigned */
 384 };
 385
 386 static void __init imx35_3ds_init_mc13892(void)
 387 {
 388         int ret = gpio_request_one(GPIO_PMIC_INT, GPIOF_DIR_IN, "pmic irq");
 389
 390         if (ret) {
 391                 pr_err("failed to get pmic irq: %d\n", ret);
 392                 return;
 393         }
 394
 395         mx35_3ds_i2c_mc13892.irq = gpio_to_irq(GPIO_PMIC_INT);
 396         i2c_register_board_info(0, &mx35_3ds_i2c_mc13892, 1);
 397 }
 398
 399 static int mx35_3ds_otg_init(struct platform_device *pdev)
 400 {
 401         return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
 402 }
 403
 404 /* OTG config */
 405 static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = {
 406         .operating_mode = FSL_USB2_DR_DEVICE,
 407         .phy_mode       = FSL_USB2_PHY_UTMI_WIDE,
 408         .workaround     = FLS_USB2_WORKAROUND_ENGCM09152,
 409 /*
 410  * ENGCM09152 also requires a hardware change.
 411  * Please check the MX35 Chip Errata document for details.
 412  */
 413 };
 414
 415 static struct mxc_usbh_platform_data otg_pdata __initdata = {
 416         .init   = mx35_3ds_otg_init,
 417         .portsc = MXC_EHCI_MODE_UTMI,
 418 };
 419
 420 static int mx35_3ds_usbh_init(struct platform_device *pdev)
 421 {
 422         return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
 423                           MXC_EHCI_INTERNAL_PHY);
 424 }
 425
 426 /* USB HOST config */
 427 static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
 428         .init           = mx35_3ds_usbh_init,
 429         .portsc         = MXC_EHCI_MODE_SERIAL,
 430 };
 431
 432 static bool otg_mode_host __initdata;
 433
 434 static int __init mx35_3ds_otg_mode(char *options)
 435 {
 436         if (!strcmp(options, "host"))
 437                 otg_mode_host = true;
 438         else if (!strcmp(options, "device"))
 439                 otg_mode_host = false;
 440         else
 441                 pr_info("otg_mode neither \"host\" nor \"device\". "
 442                         "Defaulting to device\n");
 443         return 1;
 444 }
 445 __setup("otg_mode=", mx35_3ds_otg_mode);
 446
 447 static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
 448         .bitrate = 100000,
 449 };
 450
 451 /*
 452  * Board specific initialization.
 453  */
 454 static void __init mx35_3ds_init(void)
 455 {
 456         imx35_soc_init();
 457
 458         mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
 459
 460         imx35_add_fec(NULL);
 461         imx35_add_imx2_wdt();
 462         imx35_add_mxc_rtc();
 463         platform_add_devices(devices, ARRAY_SIZE(devices));
 464
 465         imx35_add_imx_uart0(&uart_pdata);
 466
 467         if (otg_mode_host)
 468                 imx35_add_mxc_ehci_otg(&otg_pdata);
 469
 470         imx35_add_mxc_ehci_hs(&usb_host_pdata);
 471
 472         if (!otg_mode_host)
 473                 imx35_add_fsl_usb2_udc(&usb_otg_pdata);
 474
 475         imx35_add_mxc_nand(&mx35pdk_nand_board_info);
 476         imx35_add_sdhci_esdhc_imx(0, NULL);
 477
 478         imx35_add_imx_i2c0(&mx35_3ds_i2c0_data);
 479
 480         i2c_register_board_info(
 481                 0, i2c_devices_3ds, ARRAY_SIZE(i2c_devices_3ds));
 482
 483         imx35_add_ipu_core();
 484 }
 485
 486 static void __init mx35_3ds_late_init(void)
 487 {
 488         struct platform_device *imx35_fb_pdev;
 489
 490         if (mxc_expio_init(MX35_CS5_BASE_ADDR, IMX_GPIO_NR(1, 1)))
 491                 pr_warn("Init of the debugboard failed, all "
 492                         "devices on the debugboard are unusable.\n");
 493
 494         imx35_fb_pdev = imx35_add_mx3_sdc_fb(&mx3fb_pdata);
 495         mx35_3ds_lcd.dev.parent = &imx35_fb_pdev->dev;
 496         platform_device_register(&mx35_3ds_lcd);
 497
 498         imx35_3ds_init_mc13892();
 499 }
 500
 501 static void __init mx35pdk_timer_init(void)
 502 {
 503         mx35_clocks_init();
 504 }
 505
 506 MACHINE_START(MX35_3DS, "Freescale MX35PDK")
 507         /* Maintainer: Freescale Semiconductor, Inc */
 508         .atag_offset = 0x100,
 509         .map_io = mx35_map_io,
 510         .init_early = imx35_init_early,
 511         .init_irq = mx35_init_irq,
 512         .init_time      = mx35pdk_timer_init,
 513         .init_machine = mx35_3ds_init,
 514         .init_late      = mx35_3ds_late_init,
 515         .restart        = mxc_restart,
 516 MACHINE_END