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   1 /*
   2  *  linux/arch/arm/mach-pxa/littleton.c
   3  *
   4  *  Support for the Marvell Littleton Development Platform.
   5  *
   6  *  Author:     Jason Chagas (largely modified code)
   7  *  Created:    Nov 20, 2006
   8  *  Copyright:  (C) Copyright 2006 Marvell International Ltd.
   9  *
  10  *  2007-11-22  modified to align with latest kernel
  11  *              eric miao <eric.miao@marvell.com>
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License version 2 as
  15  *  publishhed by the Free Software Foundation.
  16  */
  17
  18 #include <linux/init.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/delay.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/clk.h>
  23 #include <linux/gpio.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/smc91x.h>
  26 #include <linux/i2c.h>
  27 #include <linux/leds.h>
  28 #include <linux/mfd/da903x.h>
  29 #include <linux/i2c/max732x.h>
  30
  31 #include <asm/types.h>
  32 #include <asm/setup.h>
  33 #include <asm/memory.h>
  34 #include <asm/mach-types.h>
  35 #include <mach/hardware.h>
  36 #include <asm/irq.h>
  37
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/irq.h>
  41
  42 #include <mach/pxa300.h>
  43 #include <mach/pxafb.h>
  44 #include <mach/ssp.h>
  45 #include <mach/mmc.h>
  46 #include <mach/pxa2xx_spi.h>
  47 #include <plat/i2c.h>
  48 #include <mach/pxa27x_keypad.h>
  49 #include <mach/pxa3xx_nand.h>
  50 #include <mach/littleton.h>
  51
  52 #include "generic.h"
  53
  54 #define GPIO_MMC1_CARD_DETECT   mfp_to_gpio(MFP_PIN_GPIO15)
  55
  56 /* Littleton MFP configurations */
  57 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
  58         /* LCD */
  59         GPIO54_LCD_LDD_0,
  60         GPIO55_LCD_LDD_1,
  61         GPIO56_LCD_LDD_2,
  62         GPIO57_LCD_LDD_3,
  63         GPIO58_LCD_LDD_4,
  64         GPIO59_LCD_LDD_5,
  65         GPIO60_LCD_LDD_6,
  66         GPIO61_LCD_LDD_7,
  67         GPIO62_LCD_LDD_8,
  68         GPIO63_LCD_LDD_9,
  69         GPIO64_LCD_LDD_10,
  70         GPIO65_LCD_LDD_11,
  71         GPIO66_LCD_LDD_12,
  72         GPIO67_LCD_LDD_13,
  73         GPIO68_LCD_LDD_14,
  74         GPIO69_LCD_LDD_15,
  75         GPIO70_LCD_LDD_16,
  76         GPIO71_LCD_LDD_17,
  77         GPIO72_LCD_FCLK,
  78         GPIO73_LCD_LCLK,
  79         GPIO74_LCD_PCLK,
  80         GPIO75_LCD_BIAS,
  81
  82         /* SSP2 */
  83         GPIO25_SSP2_SCLK,
  84         GPIO27_SSP2_TXD,
  85         GPIO17_GPIO,    /* SFRM as chip-select */
  86
  87         /* Debug Ethernet */
  88         GPIO90_GPIO,
  89
  90         /* Keypad */
  91         GPIO107_KP_DKIN_0,
  92         GPIO108_KP_DKIN_1,
  93         GPIO115_KP_MKIN_0,
  94         GPIO116_KP_MKIN_1,
  95         GPIO117_KP_MKIN_2,
  96         GPIO118_KP_MKIN_3,
  97         GPIO119_KP_MKIN_4,
  98         GPIO120_KP_MKIN_5,
  99         GPIO121_KP_MKOUT_0,
 100         GPIO122_KP_MKOUT_1,
 101         GPIO123_KP_MKOUT_2,
 102         GPIO124_KP_MKOUT_3,
 103         GPIO125_KP_MKOUT_4,
 104
 105         /* MMC1 */
 106         GPIO3_MMC1_DAT0,
 107         GPIO4_MMC1_DAT1,
 108         GPIO5_MMC1_DAT2,
 109         GPIO6_MMC1_DAT3,
 110         GPIO7_MMC1_CLK,
 111         GPIO8_MMC1_CMD,
 112         GPIO15_GPIO, /* card detect */
 113 };
 114
 115 static struct resource smc91x_resources[] = {
 116         [0] = {
 117                 .start  = (LITTLETON_ETH_PHYS + 0x300),
 118                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
 119                 .flags  = IORESOURCE_MEM,
 120         },
 121         [1] = {
 122                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 123                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 124                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 125         }
 126 };
 127
 128 static struct smc91x_platdata littleton_smc91x_info = {
 129         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
 130                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 131 };
 132
 133 static struct platform_device smc91x_device = {
 134         .name           = "smc91x",
 135         .id             = 0,
 136         .num_resources  = ARRAY_SIZE(smc91x_resources),
 137         .resource       = smc91x_resources,
 138         .dev            = {
 139                 .platform_data = &littleton_smc91x_info,
 140         },
 141 };
 142
 143 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 144 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
 145         [0] = {
 146                 /* VGA */
 147                 .pixclock       = 38250,
 148                 .xres           = 480,
 149                 .yres           = 640,
 150                 .bpp            = 16,
 151                 .hsync_len      = 8,
 152                 .left_margin    = 8,
 153                 .right_margin   = 24,
 154                 .vsync_len      = 2,
 155                 .upper_margin   = 2,
 156                 .lower_margin   = 4,
 157                 .sync           = 0,
 158         },
 159         [1] = {
 160                 /* QVGA */
 161                 .pixclock       = 153000,
 162                 .xres           = 240,
 163                 .yres           = 320,
 164                 .bpp            = 16,
 165                 .hsync_len      = 8,
 166                 .left_margin    = 8,
 167                 .right_margin   = 88,
 168                 .vsync_len      = 2,
 169                 .upper_margin   = 2,
 170                 .lower_margin   = 2,
 171                 .sync           = 0,
 172         },
 173 };
 174
 175 static struct pxafb_mach_info littleton_lcd_info = {
 176         .modes                  = tpo_tdo24mtea1_modes,
 177         .num_modes              = 2,
 178         .lcd_conn               = LCD_COLOR_TFT_16BPP,
 179 };
 180
 181 static void littleton_init_lcd(void)
 182 {
 183         set_pxa_fb_info(&littleton_lcd_info);
 184 }
 185 #else
 186 static inline void littleton_init_lcd(void) {};
 187 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 188
 189 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 190 static struct pxa2xx_spi_master littleton_spi_info = {
 191         .num_chipselect         = 1,
 192 };
 193
 194 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
 195         .rx_threshold   = 1,
 196         .tx_threshold   = 1,
 197         .gpio_cs        = LITTLETON_GPIO_LCD_CS,
 198 };
 199
 200 static struct spi_board_info littleton_spi_devices[] __initdata = {
 201         {
 202                 .modalias       = "tdo24m",
 203                 .max_speed_hz   = 1000000,
 204                 .bus_num        = 2,
 205                 .chip_select    = 0,
 206                 .controller_data= &littleton_tdo24m_chip,
 207         },
 208 };
 209
 210 static void __init littleton_init_spi(void)
 211 {
 212         pxa2xx_set_spi_info(2, &littleton_spi_info);
 213         spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
 214 }
 215 #else
 216 static inline void littleton_init_spi(void) {}
 217 #endif
 218
 219 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 220 static unsigned int littleton_matrix_key_map[] = {
 221         /* KEY(row, col, key_code) */
 222         KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
 223         KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
 224         KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
 225
 226         KEY(0, 3, KEY_KPASTERISK),      /* * */
 227         KEY(2, 3, KEY_KPDOT),           /* # */
 228
 229         KEY(5, 4, KEY_ENTER),
 230
 231         KEY(5, 0, KEY_UP),
 232         KEY(5, 1, KEY_DOWN),
 233         KEY(5, 2, KEY_LEFT),
 234         KEY(5, 3, KEY_RIGHT),
 235         KEY(3, 2, KEY_HOME),
 236         KEY(4, 1, KEY_END),
 237         KEY(3, 3, KEY_BACK),
 238
 239         KEY(4, 0, KEY_SEND),
 240         KEY(4, 2, KEY_VOLUMEUP),
 241         KEY(4, 3, KEY_VOLUMEDOWN),
 242
 243         KEY(3, 0, KEY_F22),     /* soft1 */
 244         KEY(3, 1, KEY_F23),     /* soft2 */
 245 };
 246
 247 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
 248         .matrix_key_rows        = 6,
 249         .matrix_key_cols        = 5,
 250         .matrix_key_map         = littleton_matrix_key_map,
 251         .matrix_key_map_size    = ARRAY_SIZE(littleton_matrix_key_map),
 252
 253         .enable_rotary0         = 1,
 254         .rotary0_up_key         = KEY_UP,
 255         .rotary0_down_key       = KEY_DOWN,
 256
 257         .debounce_interval      = 30,
 258 };
 259 static void __init littleton_init_keypad(void)
 260 {
 261         pxa_set_keypad_info(&littleton_keypad_info);
 262 }
 263 #else
 264 static inline void littleton_init_keypad(void) {}
 265 #endif
 266
 267 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 268 static int littleton_mci_init(struct device *dev,
 269                               irq_handler_t littleton_detect_int, void *data)
 270 {
 271         int err, gpio_cd = GPIO_MMC1_CARD_DETECT;
 272
 273         err = gpio_request(gpio_cd, "mmc card detect");
 274         if (err)
 275                 goto err_request_cd;
 276
 277         gpio_direction_input(gpio_cd);
 278
 279         err = request_irq(gpio_to_irq(gpio_cd), littleton_detect_int,
 280                           IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 281                           "mmc card detect", data);
 282         if (err) {
 283                 dev_err(dev, "failed to request card detect IRQ\n");
 284                 goto err_request_irq;
 285         }
 286         return 0;
 287
 288 err_request_irq:
 289         gpio_free(gpio_cd);
 290 err_request_cd:
 291         return err;
 292 }
 293
 294 static void littleton_mci_exit(struct device *dev, void *data)
 295 {
 296         int gpio_cd = GPIO_MMC1_CARD_DETECT;
 297
 298         free_irq(gpio_to_irq(gpio_cd), data);
 299         gpio_free(gpio_cd);
 300 }
 301
 302 static struct pxamci_platform_data littleton_mci_platform_data = {
 303         .detect_delay   = 20,
 304         .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
 305         .init           = littleton_mci_init,
 306         .exit           = littleton_mci_exit,
 307 };
 308
 309 static void __init littleton_init_mmc(void)
 310 {
 311         pxa_set_mci_info(&littleton_mci_platform_data);
 312 }
 313 #else
 314 static inline void littleton_init_mmc(void) {}
 315 #endif
 316
 317 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 318 static struct mtd_partition littleton_nand_partitions[] = {
 319         [0] = {
 320                 .name        = "Bootloader",
 321                 .offset      = 0,
 322                 .size        = 0x060000,
 323                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 324         },
 325         [1] = {
 326                 .name        = "Kernel",
 327                 .offset      = 0x060000,
 328                 .size        = 0x200000,
 329                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 330         },
 331         [2] = {
 332                 .name        = "Filesystem",
 333                 .offset      = 0x0260000,
 334                 .size        = 0x3000000,     /* 48M - rootfs */
 335         },
 336         [3] = {
 337                 .name        = "MassStorage",
 338                 .offset      = 0x3260000,
 339                 .size        = 0x3d40000,
 340         },
 341         [4] = {
 342                 .name        = "BBT",
 343                 .offset      = 0x6FA0000,
 344                 .size        = 0x80000,
 345                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
 346         },
 347         /* NOTE: we reserve some blocks at the end of the NAND flash for
 348          * bad block management, and the max number of relocation blocks
 349          * differs on different platforms. Please take care with it when
 350          * defining the partition table.
 351          */
 352 };
 353
 354 static struct pxa3xx_nand_platform_data littleton_nand_info = {
 355         .enable_arbiter = 1,
 356         .parts          = littleton_nand_partitions,
 357         .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
 358 };
 359
 360 static void __init littleton_init_nand(void)
 361 {
 362         pxa3xx_set_nand_info(&littleton_nand_info);
 363 }
 364 #else
 365 static inline void littleton_init_nand(void) {}
 366 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
 367
 368 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 369 static struct led_info littleton_da9034_leds[] = {
 370         [0] = {
 371                 .name   = "littleton:keypad1",
 372                 .flags  = DA9034_LED_RAMP,
 373         },
 374         [1] = {
 375                 .name   = "littleton:keypad2",
 376                 .flags  = DA9034_LED_RAMP,
 377         },
 378         [2] = {
 379                 .name   = "littleton:vibra",
 380                 .flags  = 0,
 381         },
 382 };
 383
 384 static struct da9034_touch_pdata littleton_da9034_touch = {
 385         .x_inverted     = 1,
 386         .interval_ms    = 20,
 387 };
 388
 389 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
 390         {
 391                 .name           = "da903x-led",
 392                 .id             = DA9034_ID_LED_1,
 393                 .platform_data  = &littleton_da9034_leds[0],
 394         }, {
 395                 .name           = "da903x-led",
 396                 .id             = DA9034_ID_LED_2,
 397                 .platform_data  = &littleton_da9034_leds[1],
 398         }, {
 399                 .name           = "da903x-led",
 400                 .id             = DA9034_ID_VIBRA,
 401                 .platform_data  = &littleton_da9034_leds[2],
 402         }, {
 403                 .name           = "da903x-backlight",
 404                 .id             = DA9034_ID_WLED,
 405         }, {
 406                 .name           = "da9034-touch",
 407                 .id             = DA9034_ID_TOUCH,
 408                 .platform_data  = &littleton_da9034_touch,
 409         },
 410 };
 411
 412 static struct da903x_platform_data littleton_da9034_info = {
 413         .num_subdevs    = ARRAY_SIZE(littleton_da9034_subdevs),
 414         .subdevs        = littleton_da9034_subdevs,
 415 };
 416
 417 static struct max732x_platform_data littleton_max7320_info = {
 418         .gpio_base      = EXT0_GPIO_BASE,
 419 };
 420
 421 static struct i2c_board_info littleton_i2c_info[] = {
 422         [0] = {
 423                 .type           = "da9034",
 424                 .addr           = 0x34,
 425                 .platform_data  = &littleton_da9034_info,
 426                 .irq            = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO18)),
 427         },
 428         [1] = {
 429                 .type           = "max7320",
 430                 .addr           = 0x50,
 431                 .platform_data  = &littleton_max7320_info,
 432         },
 433 };
 434
 435 static void __init littleton_init_i2c(void)
 436 {
 437         pxa_set_i2c_info(NULL);
 438         i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
 439 }
 440 #else
 441 static inline void littleton_init_i2c(void) {}
 442 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
 443
 444 static void __init littleton_init(void)
 445 {
 446         /* initialize MFP configurations */
 447         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
 448
 449         /*
 450          * Note: we depend bootloader set the correct
 451          * value to MSC register for SMC91x.
 452          */
 453         platform_device_register(&smc91x_device);
 454
 455         littleton_init_spi();
 456         littleton_init_i2c();
 457         littleton_init_mmc();
 458         littleton_init_lcd();
 459         littleton_init_keypad();
 460         littleton_init_nand();
 461 }
 462
 463 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
 464         .phys_io        = 0x40000000,
 465         .boot_params    = 0xa0000100,
 466         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 467         .map_io         = pxa_map_io,
 468         .init_irq       = pxa3xx_init_irq,
 469         .timer          = &pxa_timer,
 470         .init_machine   = littleton_init,
 471 MACHINE_END