linux/arch/arm/mach-imx/mach-mx35_3ds.c
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   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
  51static 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
  71static struct mx3fb_platform_data mx3fb_pdata __initdata = {
  72        .name = "Ceramate-CLAA070VC01",
  73        .mode = fb_modedb,
  74        .num_modes = ARRAY_SIZE(fb_modedb),
  75};
  76
  77static struct i2c_board_info __initdata i2c_devices_3ds[] = {
  78        {
  79                I2C_BOARD_INFO("mc9s08dz60", 0x69),
  80        },
  81};
  82
  83static int lcd_power_gpio = -ENXIO;
  84
  85static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip, void *data)
  86{
  87        return !strcmp(chip->label, data);
  88}
  89
  90static 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
 114static struct plat_lcd_data mx35_3ds_lcd_data = {
 115        .set_power = mx35_3ds_lcd_set_power,
 116};
 117
 118static struct platform_device mx35_3ds_lcd = {
 119        .name = "platform-lcd",
 120        .dev.platform_data = &mx35_3ds_lcd_data,
 121};
 122
 123static const struct imxuart_platform_data uart_pdata __initconst = {
 124        .flags = IMXUART_HAVE_RTSCTS,
 125};
 126
 127static struct physmap_flash_data mx35pdk_flash_data = {
 128        .width  = 2,
 129};
 130
 131static 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
 137static 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
 147static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
 148        .width = 1,
 149        .hw_ecc = 1,
 150        .flash_bbt = 1,
 151};
 152
 153static struct platform_device *devices[] __initdata = {
 154        &mx35pdk_flash,
 155};
 156
 157static 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
 228static struct regulator_consumer_supply sw1_consumers[] = {
 229        {
 230                .supply = "cpu_vcc",
 231        }
 232};
 233
 234static struct regulator_consumer_supply vcam_consumers[] = {
 235        /* sgtl5000 */
 236        REGULATOR_SUPPLY("VDDA", "0-000a"),
 237};
 238
 239static 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
 253static struct regulator_init_data sw2_init = {
 254        .constraints = {
 255                .name = "SW2",
 256                .always_on = 1,
 257                .boot_on = 1,
 258        }
 259};
 260
 261static struct regulator_init_data sw3_init = {
 262        .constraints = {
 263                .name = "SW3",
 264                .always_on = 1,
 265                .boot_on = 1,
 266        }
 267};
 268
 269static struct regulator_init_data sw4_init = {
 270        .constraints = {
 271                .name = "SW4",
 272                .always_on = 1,
 273                .boot_on = 1,
 274        }
 275};
 276
 277static struct regulator_init_data viohi_init = {
 278        .constraints = {
 279                .name = "VIOHI",
 280                .boot_on = 1,
 281        }
 282};
 283
 284static struct regulator_init_data vusb_init = {
 285        .constraints = {
 286                .name = "VUSB",
 287                .boot_on = 1,
 288        }
 289};
 290
 291static struct regulator_init_data vdig_init = {
 292        .constraints = {
 293                .name = "VDIG",
 294                .boot_on = 1,
 295        }
 296};
 297
 298static struct regulator_init_data vpll_init = {
 299        .constraints = {
 300                .name = "VPLL",
 301                .boot_on = 1,
 302        }
 303};
 304
 305static struct regulator_init_data vusb2_init = {
 306        .constraints = {
 307                .name = "VUSB2",
 308                .boot_on = 1,
 309        }
 310};
 311
 312static struct regulator_init_data vvideo_init = {
 313        .constraints = {
 314                .name = "VVIDEO",
 315                .boot_on = 1
 316        }
 317};
 318
 319static 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
 333static struct regulator_init_data vgen1_init = {
 334        .constraints = {
 335                .name = "VGEN1",
 336        }
 337};
 338
 339static struct regulator_init_data vgen2_init = {
 340        .constraints = {
 341                .name = "VGEN2",
 342                .boot_on = 1,
 343        }
 344};
 345
 346static struct regulator_init_data vgen3_init = {
 347        .constraints = {
 348                .name = "VGEN3",
 349        }
 350};
 351
 352static 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
 369static 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
 379static 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
 386static 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
 399static 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 */
 405static 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
 415static struct mxc_usbh_platform_data otg_pdata __initdata = {
 416        .init   = mx35_3ds_otg_init,
 417        .portsc = MXC_EHCI_MODE_UTMI,
 418};
 419
 420static 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 */
 427static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
 428        .init           = mx35_3ds_usbh_init,
 429        .portsc         = MXC_EHCI_MODE_SERIAL,
 430};
 431
 432static bool otg_mode_host __initdata;
 433
 434static 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
 447static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
 448        .bitrate = 100000,
 449};
 450
 451/*
 452 * Board specific initialization.
 453 */
 454static 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
 486static 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
 501static void __init mx35pdk_timer_init(void)
 502{
 503        mx35_clocks_init();
 504}
 505
 506MACHINE_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,
 516MACHINE_END
 517