release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-pxa/cm-x300.c

   1 /*
   2  * linux/arch/arm/mach-pxa/cm-x300.c
   3  *
   4  * Support for the CompuLab CM-X300 modules
   5  *
   6  * Copyright (C) 2008,2009 CompuLab Ltd.
   7  *
   8  * Mike Rapoport <mike@compulab.co.il>
   9  * Igor Grinberg <grinberg@compulab.co.il>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/init.h>
  20 #include <linux/delay.h>
  21 #include <linux/platform_device.h>
  22
  23 #include <linux/gpio.h>
  24 #include <linux/dm9000.h>
  25 #include <linux/leds.h>
  26 #include <linux/rtc-v3020.h>
  27 #include <linux/pwm_backlight.h>
  28
  29 #include <linux/i2c.h>
  30 #include <linux/i2c/pca953x.h>
  31
  32 #include <linux/mfd/da903x.h>
  33 #include <linux/regulator/machine.h>
  34 #include <linux/power_supply.h>
  35 #include <linux/apm-emulation.h>
  36
  37 #include <linux/spi/spi.h>
  38 #include <linux/spi/spi_gpio.h>
  39 #include <linux/spi/tdo24m.h>
  40
  41 #include <asm/mach-types.h>
  42 #include <asm/mach/arch.h>
  43 #include <asm/setup.h>
  44
  45 #include <mach/pxa300.h>
  46 #include <mach/pxa27x-udc.h>
  47 #include <mach/pxafb.h>
  48 #include <mach/mmc.h>
  49 #include <mach/ohci.h>
  50 #include <plat/i2c.h>
  51 #include <plat/pxa3xx_nand.h>
  52 #include <mach/audio.h>
  53
  54 #include <asm/mach/map.h>
  55
  56 #include "generic.h"
  57 #include "devices.h"
  58
  59 #define CM_X300_ETH_PHYS        0x08000010
  60
  61 #define GPIO82_MMC_IRQ          (82)
  62 #define GPIO85_MMC_WP           (85)
  63
  64 #define CM_X300_MMC_IRQ         IRQ_GPIO(GPIO82_MMC_IRQ)
  65
  66 #define GPIO95_RTC_CS           (95)
  67 #define GPIO96_RTC_WR           (96)
  68 #define GPIO97_RTC_RD           (97)
  69 #define GPIO98_RTC_IO           (98)
  70
  71 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
  72         /* LCD */
  73         GPIO54_LCD_LDD_0,
  74         GPIO55_LCD_LDD_1,
  75         GPIO56_LCD_LDD_2,
  76         GPIO57_LCD_LDD_3,
  77         GPIO58_LCD_LDD_4,
  78         GPIO59_LCD_LDD_5,
  79         GPIO60_LCD_LDD_6,
  80         GPIO61_LCD_LDD_7,
  81         GPIO62_LCD_LDD_8,
  82         GPIO63_LCD_LDD_9,
  83         GPIO64_LCD_LDD_10,
  84         GPIO65_LCD_LDD_11,
  85         GPIO66_LCD_LDD_12,
  86         GPIO67_LCD_LDD_13,
  87         GPIO68_LCD_LDD_14,
  88         GPIO69_LCD_LDD_15,
  89         GPIO72_LCD_FCLK,
  90         GPIO73_LCD_LCLK,
  91         GPIO74_LCD_PCLK,
  92         GPIO75_LCD_BIAS,
  93
  94         /* BTUART */
  95         GPIO111_UART2_RTS,
  96         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
  97         GPIO113_UART2_TXD,
  98         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
  99
 100         /* STUART */
 101         GPIO109_UART3_TXD,
 102         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
 103
 104         /* AC97 */
 105         GPIO23_AC97_nACRESET,
 106         GPIO24_AC97_SYSCLK,
 107         GPIO29_AC97_BITCLK,
 108         GPIO25_AC97_SDATA_IN_0,
 109         GPIO27_AC97_SDATA_OUT,
 110         GPIO28_AC97_SYNC,
 111
 112         /* Keypad */
 113         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
 114         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
 115         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
 116         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
 117         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
 118         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
 119         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
 120         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
 121         GPIO121_KP_MKOUT_0,
 122         GPIO122_KP_MKOUT_1,
 123         GPIO123_KP_MKOUT_2,
 124         GPIO124_KP_MKOUT_3,
 125         GPIO125_KP_MKOUT_4,
 126         GPIO4_2_KP_MKOUT_5,
 127
 128         /* MMC1 */
 129         GPIO3_MMC1_DAT0,
 130         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
 131         GPIO5_MMC1_DAT2,
 132         GPIO6_MMC1_DAT3,
 133         GPIO7_MMC1_CLK,
 134         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
 135
 136         /* MMC2 */
 137         GPIO9_MMC2_DAT0,
 138         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
 139         GPIO11_MMC2_DAT2,
 140         GPIO12_MMC2_DAT3,
 141         GPIO13_MMC2_CLK,
 142         GPIO14_MMC2_CMD,
 143
 144         /* FFUART */
 145         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
 146         GPIO31_UART1_TXD,
 147         GPIO32_UART1_CTS,
 148         GPIO37_UART1_RTS,
 149         GPIO33_UART1_DCD,
 150         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
 151         GPIO35_UART1_RI,
 152         GPIO36_UART1_DTR,
 153
 154         /* GPIOs */
 155         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
 156         GPIO85_GPIO,                    /* MMC WP */
 157         GPIO99_GPIO,                    /* Ethernet IRQ */
 158
 159         /* RTC GPIOs */
 160         GPIO95_GPIO,                    /* RTC CS */
 161         GPIO96_GPIO,                    /* RTC WR */
 162         GPIO97_GPIO,                    /* RTC RD */
 163         GPIO98_GPIO,                    /* RTC IO */
 164
 165         /* Standard I2C */
 166         GPIO21_I2C_SCL,
 167         GPIO22_I2C_SDA,
 168
 169         /* PWM Backlight */
 170         GPIO19_PWM2_OUT,
 171 };
 172
 173 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
 174         /* GPIOs */
 175         GPIO79_GPIO,                    /* LED */
 176         GPIO77_GPIO,                    /* WiFi reset */
 177         GPIO78_GPIO,                    /* BT reset */
 178 };
 179
 180 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
 181         /* GPIOs */
 182         GPIO76_GPIO,                    /* LED */
 183         GPIO71_GPIO,                    /* WiFi reset */
 184         GPIO70_GPIO,                    /* BT reset */
 185 };
 186
 187 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
 188         /* USB PORT 2 */
 189         ULPI_STP,
 190         ULPI_NXT,
 191         ULPI_DIR,
 192         GPIO30_ULPI_DATA_OUT_0,
 193         GPIO31_ULPI_DATA_OUT_1,
 194         GPIO32_ULPI_DATA_OUT_2,
 195         GPIO33_ULPI_DATA_OUT_3,
 196         GPIO34_ULPI_DATA_OUT_4,
 197         GPIO35_ULPI_DATA_OUT_5,
 198         GPIO36_ULPI_DATA_OUT_6,
 199         GPIO37_ULPI_DATA_OUT_7,
 200         GPIO38_ULPI_CLK,
 201         /* external PHY reset pin */
 202         GPIO127_GPIO,
 203
 204         /* USB PORT 3 */
 205         GPIO77_USB_P3_1,
 206         GPIO78_USB_P3_2,
 207         GPIO79_USB_P3_3,
 208         GPIO80_USB_P3_4,
 209         GPIO81_USB_P3_5,
 210         GPIO82_USB_P3_6,
 211         GPIO0_2_USBH_PEN,
 212 };
 213
 214 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 215 static struct resource dm9000_resources[] = {
 216         [0] = {
 217                 .start  = CM_X300_ETH_PHYS,
 218                 .end    = CM_X300_ETH_PHYS + 0x3,
 219                 .flags  = IORESOURCE_MEM,
 220         },
 221         [1] = {
 222                 .start  = CM_X300_ETH_PHYS + 0x4,
 223                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
 224                 .flags  = IORESOURCE_MEM,
 225         },
 226         [2] = {
 227                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 228                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 229                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 230         }
 231 };
 232
 233 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 234         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 235 };
 236
 237 static struct platform_device dm9000_device = {
 238         .name           = "dm9000",
 239         .id             = 0,
 240         .num_resources  = ARRAY_SIZE(dm9000_resources),
 241         .resource       = dm9000_resources,
 242         .dev            = {
 243                 .platform_data = &cm_x300_dm9000_platdata,
 244         }
 245
 246 };
 247
 248 static void __init cm_x300_init_dm9000(void)
 249 {
 250         platform_device_register(&dm9000_device);
 251 }
 252 #else
 253 static inline void cm_x300_init_dm9000(void) {}
 254 #endif
 255
 256 /* LCD */
 257 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 258 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
 259         [0] = {
 260                 .pixclock       = 38250,
 261                 .bpp            = 16,
 262                 .xres           = 480,
 263                 .yres           = 640,
 264                 .hsync_len      = 8,
 265                 .vsync_len      = 2,
 266                 .left_margin    = 8,
 267                 .upper_margin   = 2,
 268                 .right_margin   = 24,
 269                 .lower_margin   = 4,
 270                 .cmap_greyscale = 0,
 271         },
 272         [1] = {
 273                 .pixclock       = 153800,
 274                 .bpp            = 16,
 275                 .xres           = 240,
 276                 .yres           = 320,
 277                 .hsync_len      = 8,
 278                 .vsync_len      = 2,
 279                 .left_margin    = 8,
 280                 .upper_margin   = 2,
 281                 .right_margin   = 88,
 282                 .lower_margin   = 2,
 283                 .cmap_greyscale = 0,
 284         },
 285 };
 286
 287 static struct pxafb_mach_info cm_x300_lcd = {
 288         .modes                  = cm_x300_lcd_modes,
 289         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
 290         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 291 };
 292
 293 static void __init cm_x300_init_lcd(void)
 294 {
 295         set_pxa_fb_info(&cm_x300_lcd);
 296 }
 297 #else
 298 static inline void cm_x300_init_lcd(void) {}
 299 #endif
 300
 301 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 302 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 303         .pwm_id         = 2,
 304         .max_brightness = 100,
 305         .dft_brightness = 100,
 306         .pwm_period_ns  = 10000,
 307 };
 308
 309 static struct platform_device cm_x300_backlight_device = {
 310         .name           = "pwm-backlight",
 311         .dev            = {
 312                 .parent = &pxa27x_device_pwm0.dev,
 313                 .platform_data  = &cm_x300_backlight_data,
 314         },
 315 };
 316
 317 static void cm_x300_init_bl(void)
 318 {
 319         platform_device_register(&cm_x300_backlight_device);
 320 }
 321 #else
 322 static inline void cm_x300_init_bl(void) {}
 323 #endif
 324
 325 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 326 #define GPIO_LCD_BASE   (144)
 327 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 328 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 329 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 330 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 331 #define LCD_SPI_BUS_NUM (1)
 332
 333 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 334         .sck            = GPIO_LCD_SCL,
 335         .mosi           = GPIO_LCD_DIN,
 336         .miso           = GPIO_LCD_DOUT,
 337         .num_chipselect = 1,
 338 };
 339
 340 static struct platform_device cm_x300_spi_gpio = {
 341         .name           = "spi_gpio",
 342         .id             = LCD_SPI_BUS_NUM,
 343         .dev            = {
 344                 .platform_data  = &cm_x300_spi_gpio_pdata,
 345         },
 346 };
 347
 348 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 349         .model = TDO35S,
 350 };
 351
 352 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 353         {
 354                 .modalias               = "tdo24m",
 355                 .max_speed_hz           = 1000000,
 356                 .bus_num                = LCD_SPI_BUS_NUM,
 357                 .chip_select            = 0,
 358                 .controller_data        = (void *) GPIO_LCD_CS,
 359                 .platform_data          = &cm_x300_tdo24m_pdata,
 360         },
 361 };
 362
 363 static void __init cm_x300_init_spi(void)
 364 {
 365         spi_register_board_info(cm_x300_spi_devices,
 366                                 ARRAY_SIZE(cm_x300_spi_devices));
 367         platform_device_register(&cm_x300_spi_gpio);
 368 }
 369 #else
 370 static inline void cm_x300_init_spi(void) {}
 371 #endif
 372
 373 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 374 static void __init cm_x300_init_ac97(void)
 375 {
 376         pxa_set_ac97_info(NULL);
 377 }
 378 #else
 379 static inline void cm_x300_init_ac97(void) {}
 380 #endif
 381
 382 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 383 static struct mtd_partition cm_x300_nand_partitions[] = {
 384         [0] = {
 385                 .name        = "OBM",
 386                 .offset      = 0,
 387                 .size        = SZ_256K,
 388                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 389         },
 390         [1] = {
 391                 .name        = "U-Boot",
 392                 .offset      = MTDPART_OFS_APPEND,
 393                 .size        = SZ_256K,
 394                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 395         },
 396         [2] = {
 397                 .name        = "Environment",
 398                 .offset      = MTDPART_OFS_APPEND,
 399                 .size        = SZ_256K,
 400         },
 401         [3] = {
 402                 .name        = "reserved",
 403                 .offset      = MTDPART_OFS_APPEND,
 404                 .size        = SZ_256K + SZ_1M,
 405                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 406         },
 407         [4] = {
 408                 .name        = "kernel",
 409                 .offset      = MTDPART_OFS_APPEND,
 410                 .size        = SZ_4M,
 411         },
 412         [5] = {
 413                 .name        = "fs",
 414                 .offset      = MTDPART_OFS_APPEND,
 415                 .size        = MTDPART_SIZ_FULL,
 416         },
 417 };
 418
 419 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 420         .enable_arbiter = 1,
 421         .keep_config    = 1,
 422         .parts          = cm_x300_nand_partitions,
 423         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
 424 };
 425
 426 static void __init cm_x300_init_nand(void)
 427 {
 428         pxa3xx_set_nand_info(&cm_x300_nand_info);
 429 }
 430 #else
 431 static inline void cm_x300_init_nand(void) {}
 432 #endif
 433
 434 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 435 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 436         .detect_delay_ms        = 200,
 437         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 438         .gpio_card_detect       = GPIO82_MMC_IRQ,
 439         .gpio_card_ro           = GPIO85_MMC_WP,
 440         .gpio_power             = -1,
 441 };
 442
 443 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 444    no detection/ro pins */
 445 static int cm_x300_mci2_init(struct device *dev,
 446                              irq_handler_t cm_x300_detect_int,
 447         void *data)
 448 {
 449         return 0;
 450 }
 451
 452 static void cm_x300_mci2_exit(struct device *dev, void *data)
 453 {
 454 }
 455
 456 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 457         .detect_delay_ms        = 200,
 458         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 459         .init                   = cm_x300_mci2_init,
 460         .exit                   = cm_x300_mci2_exit,
 461         .gpio_card_detect       = -1,
 462         .gpio_card_ro           = -1,
 463         .gpio_power             = -1,
 464 };
 465
 466 static void __init cm_x300_init_mmc(void)
 467 {
 468         pxa_set_mci_info(&cm_x300_mci_platform_data);
 469         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 470 }
 471 #else
 472 static inline void cm_x300_init_mmc(void) {}
 473 #endif
 474
 475 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 476 static int cm_x300_ohci_init(struct device *dev)
 477 {
 478         if (cpu_is_pxa300())
 479                 UP2OCR = UP2OCR_HXS
 480                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 481
 482         return 0;
 483 }
 484
 485 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 486         .port_mode      = PMM_PERPORT_MODE,
 487         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 488         .init           = cm_x300_ohci_init,
 489 };
 490
 491 static void __init cm_x300_init_ohci(void)
 492 {
 493         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 494 }
 495 #else
 496 static inline void cm_x300_init_ohci(void) {}
 497 #endif
 498
 499 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 500 static struct gpio_led cm_x300_leds[] = {
 501         [0] = {
 502                 .name = "cm-x300:green",
 503                 .default_trigger = "heartbeat",
 504                 .active_low = 1,
 505         },
 506 };
 507
 508 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 509         .num_leds = ARRAY_SIZE(cm_x300_leds),
 510         .leds = cm_x300_leds,
 511 };
 512
 513 static struct platform_device cm_x300_led_device = {
 514         .name           = "leds-gpio",
 515         .id             = -1,
 516         .dev            = {
 517                 .platform_data = &cm_x300_gpio_led_pdata,
 518         },
 519 };
 520
 521 static void __init cm_x300_init_leds(void)
 522 {
 523         if (system_rev < 130)
 524                 cm_x300_leds[0].gpio = 79;
 525         else
 526                 cm_x300_leds[0].gpio = 76;
 527
 528         platform_device_register(&cm_x300_led_device);
 529 }
 530 #else
 531 static inline void cm_x300_init_leds(void) {}
 532 #endif
 533
 534 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 535 /* PCA9555 */
 536 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 537         .gpio_base = 128,
 538 };
 539
 540 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 541         .gpio_base = 144,
 542 };
 543
 544 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 545         [0] = {
 546                 I2C_BOARD_INFO("pca9555", 0x24),
 547                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 548         },
 549         [1] = {
 550                 I2C_BOARD_INFO("pca9555", 0x25),
 551                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 552         },
 553 };
 554
 555 static void __init cm_x300_init_i2c(void)
 556 {
 557         pxa_set_i2c_info(NULL);
 558         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 559                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 560 }
 561 #else
 562 static inline void cm_x300_init_i2c(void) {}
 563 #endif
 564
 565 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 566 struct v3020_platform_data cm_x300_v3020_pdata = {
 567         .use_gpio       = 1,
 568         .gpio_cs        = GPIO95_RTC_CS,
 569         .gpio_wr        = GPIO96_RTC_WR,
 570         .gpio_rd        = GPIO97_RTC_RD,
 571         .gpio_io        = GPIO98_RTC_IO,
 572 };
 573
 574 static struct platform_device cm_x300_rtc_device = {
 575         .name           = "v3020",
 576         .id             = -1,
 577         .dev            = {
 578                 .platform_data = &cm_x300_v3020_pdata,
 579         }
 580 };
 581
 582 static void __init cm_x300_init_rtc(void)
 583 {
 584         platform_device_register(&cm_x300_rtc_device);
 585 }
 586 #else
 587 static inline void cm_x300_init_rtc(void) {}
 588 #endif
 589
 590 /* Battery */
 591 struct power_supply_info cm_x300_psy_info = {
 592         .name = "battery",
 593         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 594         .voltage_max_design = 4200000,
 595         .voltage_min_design = 3000000,
 596         .use_for_apm = 1,
 597 };
 598
 599 static void cm_x300_battery_low(void)
 600 {
 601 #if defined(CONFIG_APM_EMULATION)
 602         apm_queue_event(APM_LOW_BATTERY);
 603 #endif
 604 }
 605
 606 static void cm_x300_battery_critical(void)
 607 {
 608 #if defined(CONFIG_APM_EMULATION)
 609         apm_queue_event(APM_CRITICAL_SUSPEND);
 610 #endif
 611 }
 612
 613 struct da9030_battery_info cm_x300_battery_info = {
 614         .battery_info = &cm_x300_psy_info,
 615
 616         .charge_milliamp = 1000,
 617         .charge_millivolt = 4200,
 618
 619         .vbat_low = 3600,
 620         .vbat_crit = 3400,
 621         .vbat_charge_start = 4100,
 622         .vbat_charge_stop = 4200,
 623         .vbat_charge_restart = 4000,
 624
 625         .vcharge_min = 3200,
 626         .vcharge_max = 5500,
 627
 628         .tbat_low = 197,
 629         .tbat_high = 78,
 630         .tbat_restart = 100,
 631
 632         .batmon_interval = 0,
 633
 634         .battery_low = cm_x300_battery_low,
 635         .battery_critical = cm_x300_battery_critical,
 636 };
 637
 638 static struct regulator_consumer_supply buck2_consumers[] = {
 639         {
 640                 .dev = NULL,
 641                 .supply = "vcc_core",
 642         },
 643 };
 644
 645 static struct regulator_init_data buck2_data = {
 646         .constraints = {
 647                 .min_uV = 1375000,
 648                 .max_uV = 1375000,
 649                 .state_mem = {
 650                         .enabled = 0,
 651                 },
 652                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 653                 .apply_uV = 1,
 654         },
 655         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
 656         .consumer_supplies = buck2_consumers,
 657 };
 658
 659 /* DA9030 */
 660 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 661         {
 662                 .name = "da903x-battery",
 663                 .id = DA9030_ID_BAT,
 664                 .platform_data = &cm_x300_battery_info,
 665         },
 666         {
 667                 .name = "da903x-regulator",
 668                 .id = DA9030_ID_BUCK2,
 669                 .platform_data = &buck2_data,
 670         },
 671 };
 672
 673 static struct da903x_platform_data cm_x300_da9030_info = {
 674         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
 675         .subdevs = cm_x300_da9030_subdevs,
 676 };
 677
 678 static struct i2c_board_info cm_x300_pmic_info = {
 679         I2C_BOARD_INFO("da9030", 0x49),
 680         .irq = IRQ_WAKEUP0,
 681         .platform_data = &cm_x300_da9030_info,
 682 };
 683
 684 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 685         .use_pio = 1,
 686 };
 687
 688 static void __init cm_x300_init_da9030(void)
 689 {
 690         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
 691         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
 692         set_irq_wake(IRQ_WAKEUP0, 1);
 693 }
 694
 695 static void __init cm_x300_init_wi2wi(void)
 696 {
 697         int bt_reset, wlan_en;
 698         int err;
 699
 700         if (system_rev < 130) {
 701                 wlan_en = 77;
 702                 bt_reset = 78;
 703         } else {
 704                 wlan_en = 71;
 705                 bt_reset = 70;
 706         }
 707
 708         /* Libertas and CSR reset */
 709         err = gpio_request(wlan_en, "wlan en");
 710         if (err) {
 711                 pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
 712         } else {
 713                 gpio_direction_output(wlan_en, 1);
 714                 gpio_free(wlan_en);
 715         }
 716
 717         err = gpio_request(bt_reset, "bt reset");
 718         if (err) {
 719                 pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
 720         } else {
 721                 gpio_direction_output(bt_reset, 1);
 722                 udelay(10);
 723                 gpio_set_value(bt_reset, 0);
 724                 udelay(10);
 725                 gpio_set_value(bt_reset, 1);
 726                 gpio_free(bt_reset);
 727         }
 728 }
 729
 730 /* MFP */
 731 static void __init cm_x300_init_mfp(void)
 732 {
 733         /* board-processor specific GPIO initialization */
 734         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 735
 736         if (system_rev < 130)
 737                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 738         else
 739                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 740
 741         if (cpu_is_pxa310())
 742                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 743 }
 744
 745 static void __init cm_x300_init(void)
 746 {
 747         cm_x300_init_mfp();
 748
 749         pxa_set_btuart_info(NULL);
 750         pxa_set_stuart_info(NULL);
 751         if (cpu_is_pxa300())
 752                 pxa_set_ffuart_info(NULL);
 753
 754         cm_x300_init_da9030();
 755         cm_x300_init_dm9000();
 756         cm_x300_init_lcd();
 757         cm_x300_init_ohci();
 758         cm_x300_init_mmc();
 759         cm_x300_init_nand();
 760         cm_x300_init_leds();
 761         cm_x300_init_i2c();
 762         cm_x300_init_spi();
 763         cm_x300_init_rtc();
 764         cm_x300_init_ac97();
 765         cm_x300_init_wi2wi();
 766         cm_x300_init_bl();
 767 }
 768
 769 static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
 770                                  char **cmdline, struct meminfo *mi)
 771 {
 772         /* Make sure that mi->bank[0].start = PHYS_ADDR */
 773         for (; tags->hdr.size; tags = tag_next(tags))
 774                 if (tags->hdr.tag == ATAG_MEM &&
 775                         tags->u.mem.start == 0x80000000) {
 776                         tags->u.mem.start = 0xa0000000;
 777                         break;
 778                 }
 779 }
 780
 781 MACHINE_START(CM_X300, "CM-X300 module")
 782         .phys_io        = 0x40000000,
 783         .boot_params    = 0xa0000100,
 784         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 785         .map_io         = pxa_map_io,
 786         .init_irq       = pxa3xx_init_irq,
 787         .timer          = &pxa_timer,
 788         .init_machine   = cm_x300_init,
 789         .fixup          = cm_x300_fixup,
 790 MACHINE_END