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 #define pr_fmt(fmt) "%s: " fmt, __func__
  16
  17 #include <linux/module.h>
  18 #include <linux/kernel.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/init.h>
  21 #include <linux/delay.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/clk.h>
  24
  25 #include <linux/gpio.h>
  26 #include <linux/dm9000.h>
  27 #include <linux/leds.h>
  28 #include <linux/rtc-v3020.h>
  29 #include <linux/pwm_backlight.h>
  30
  31 #include <linux/i2c.h>
  32 #include <linux/i2c/pca953x.h>
  33 #include <linux/i2c/pxa-i2c.h>
  34
  35 #include <linux/mfd/da903x.h>
  36 #include <linux/regulator/machine.h>
  37 #include <linux/power_supply.h>
  38 #include <linux/apm-emulation.h>
  39
  40 #include <linux/spi/spi.h>
  41 #include <linux/spi/spi_gpio.h>
  42 #include <linux/spi/tdo24m.h>
  43
  44 #include <asm/mach-types.h>
  45 #include <asm/mach/arch.h>
  46 #include <asm/setup.h>
  47 #include <asm/system_info.h>
  48
  49 #include <mach/pxa300.h>
  50 #include <mach/pxa27x-udc.h>
  51 #include <mach/pxafb.h>
  52 #include <mach/mmc.h>
  53 #include <mach/ohci.h>
  54 #include <plat/pxa3xx_nand.h>
  55 #include <mach/audio.h>
  56 #include <mach/pxa3xx-u2d.h>
  57
  58 #include <asm/mach/map.h>
  59
  60 #include "generic.h"
  61 #include "devices.h"
  62
  63 #define CM_X300_ETH_PHYS        0x08000010
  64
  65 #define GPIO82_MMC_IRQ          (82)
  66 #define GPIO85_MMC_WP           (85)
  67
  68 #define CM_X300_MMC_IRQ         PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ)
  69
  70 #define GPIO95_RTC_CS           (95)
  71 #define GPIO96_RTC_WR           (96)
  72 #define GPIO97_RTC_RD           (97)
  73 #define GPIO98_RTC_IO           (98)
  74
  75 #define GPIO_ULPI_PHY_RST       (127)
  76
  77 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
  78         /* LCD */
  79         GPIO54_LCD_LDD_0,
  80         GPIO55_LCD_LDD_1,
  81         GPIO56_LCD_LDD_2,
  82         GPIO57_LCD_LDD_3,
  83         GPIO58_LCD_LDD_4,
  84         GPIO59_LCD_LDD_5,
  85         GPIO60_LCD_LDD_6,
  86         GPIO61_LCD_LDD_7,
  87         GPIO62_LCD_LDD_8,
  88         GPIO63_LCD_LDD_9,
  89         GPIO64_LCD_LDD_10,
  90         GPIO65_LCD_LDD_11,
  91         GPIO66_LCD_LDD_12,
  92         GPIO67_LCD_LDD_13,
  93         GPIO68_LCD_LDD_14,
  94         GPIO69_LCD_LDD_15,
  95         GPIO72_LCD_FCLK,
  96         GPIO73_LCD_LCLK,
  97         GPIO74_LCD_PCLK,
  98         GPIO75_LCD_BIAS,
  99
 100         /* BTUART */
 101         GPIO111_UART2_RTS,
 102         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
 103         GPIO113_UART2_TXD,
 104         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
 105
 106         /* STUART */
 107         GPIO109_UART3_TXD,
 108         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
 109
 110         /* AC97 */
 111         GPIO23_AC97_nACRESET,
 112         GPIO24_AC97_SYSCLK,
 113         GPIO29_AC97_BITCLK,
 114         GPIO25_AC97_SDATA_IN_0,
 115         GPIO27_AC97_SDATA_OUT,
 116         GPIO28_AC97_SYNC,
 117
 118         /* Keypad */
 119         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
 120         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
 121         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
 122         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
 123         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
 124         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
 125         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
 126         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
 127         GPIO121_KP_MKOUT_0,
 128         GPIO122_KP_MKOUT_1,
 129         GPIO123_KP_MKOUT_2,
 130         GPIO124_KP_MKOUT_3,
 131         GPIO125_KP_MKOUT_4,
 132         GPIO4_2_KP_MKOUT_5,
 133
 134         /* MMC1 */
 135         GPIO3_MMC1_DAT0,
 136         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
 137         GPIO5_MMC1_DAT2,
 138         GPIO6_MMC1_DAT3,
 139         GPIO7_MMC1_CLK,
 140         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
 141
 142         /* MMC2 */
 143         GPIO9_MMC2_DAT0,
 144         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
 145         GPIO11_MMC2_DAT2,
 146         GPIO12_MMC2_DAT3,
 147         GPIO13_MMC2_CLK,
 148         GPIO14_MMC2_CMD,
 149
 150         /* FFUART */
 151         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
 152         GPIO31_UART1_TXD,
 153         GPIO32_UART1_CTS,
 154         GPIO37_UART1_RTS,
 155         GPIO33_UART1_DCD,
 156         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
 157         GPIO35_UART1_RI,
 158         GPIO36_UART1_DTR,
 159
 160         /* GPIOs */
 161         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
 162         GPIO85_GPIO,                    /* MMC WP */
 163         GPIO99_GPIO,                    /* Ethernet IRQ */
 164
 165         /* RTC GPIOs */
 166         GPIO95_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC CS */
 167         GPIO96_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC WR */
 168         GPIO97_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC RD */
 169         GPIO98_GPIO,                            /* RTC IO */
 170
 171         /* Standard I2C */
 172         GPIO21_I2C_SCL,
 173         GPIO22_I2C_SDA,
 174
 175         /* PWM Backlight */
 176         GPIO19_PWM2_OUT,
 177 };
 178
 179 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
 180         /* GPIOs */
 181         GPIO79_GPIO,                    /* LED */
 182         GPIO77_GPIO,                    /* WiFi reset */
 183         GPIO78_GPIO,                    /* BT reset */
 184 };
 185
 186 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
 187         /* GPIOs */
 188         GPIO76_GPIO,                    /* LED */
 189         GPIO71_GPIO,                    /* WiFi reset */
 190         GPIO70_GPIO,                    /* BT reset */
 191 };
 192
 193 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
 194         /* USB PORT 2 */
 195         ULPI_STP,
 196         ULPI_NXT,
 197         ULPI_DIR,
 198         GPIO30_ULPI_DATA_OUT_0,
 199         GPIO31_ULPI_DATA_OUT_1,
 200         GPIO32_ULPI_DATA_OUT_2,
 201         GPIO33_ULPI_DATA_OUT_3,
 202         GPIO34_ULPI_DATA_OUT_4,
 203         GPIO35_ULPI_DATA_OUT_5,
 204         GPIO36_ULPI_DATA_OUT_6,
 205         GPIO37_ULPI_DATA_OUT_7,
 206         GPIO38_ULPI_CLK,
 207         /* external PHY reset pin */
 208         GPIO127_GPIO,
 209
 210         /* USB PORT 3 */
 211         GPIO77_USB_P3_1,
 212         GPIO78_USB_P3_2,
 213         GPIO79_USB_P3_3,
 214         GPIO80_USB_P3_4,
 215         GPIO81_USB_P3_5,
 216         GPIO82_USB_P3_6,
 217         GPIO0_2_USBH_PEN,
 218 };
 219
 220 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 221 static struct resource dm9000_resources[] = {
 222         [0] = {
 223                 .start  = CM_X300_ETH_PHYS,
 224                 .end    = CM_X300_ETH_PHYS + 0x3,
 225                 .flags  = IORESOURCE_MEM,
 226         },
 227         [1] = {
 228                 .start  = CM_X300_ETH_PHYS + 0x4,
 229                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
 230                 .flags  = IORESOURCE_MEM,
 231         },
 232         [2] = {
 233                 .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
 234                 .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
 235                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 236         }
 237 };
 238
 239 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 240         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 241 };
 242
 243 static struct platform_device dm9000_device = {
 244         .name           = "dm9000",
 245         .id             = 0,
 246         .num_resources  = ARRAY_SIZE(dm9000_resources),
 247         .resource       = dm9000_resources,
 248         .dev            = {
 249                 .platform_data = &cm_x300_dm9000_platdata,
 250         }
 251
 252 };
 253
 254 static void __init cm_x300_init_dm9000(void)
 255 {
 256         platform_device_register(&dm9000_device);
 257 }
 258 #else
 259 static inline void cm_x300_init_dm9000(void) {}
 260 #endif
 261
 262 /* LCD */
 263 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 264 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
 265         [0] = {
 266                 .pixclock       = 38250,
 267                 .bpp            = 16,
 268                 .xres           = 480,
 269                 .yres           = 640,
 270                 .hsync_len      = 8,
 271                 .vsync_len      = 2,
 272                 .left_margin    = 8,
 273                 .upper_margin   = 2,
 274                 .right_margin   = 24,
 275                 .lower_margin   = 4,
 276                 .cmap_greyscale = 0,
 277         },
 278         [1] = {
 279                 .pixclock       = 153800,
 280                 .bpp            = 16,
 281                 .xres           = 240,
 282                 .yres           = 320,
 283                 .hsync_len      = 8,
 284                 .vsync_len      = 2,
 285                 .left_margin    = 8,
 286                 .upper_margin   = 2,
 287                 .right_margin   = 88,
 288                 .lower_margin   = 2,
 289                 .cmap_greyscale = 0,
 290         },
 291 };
 292
 293 static struct pxafb_mach_info cm_x300_lcd = {
 294         .modes                  = cm_x300_lcd_modes,
 295         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
 296         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 297 };
 298
 299 static void __init cm_x300_init_lcd(void)
 300 {
 301         pxa_set_fb_info(NULL, &cm_x300_lcd);
 302 }
 303 #else
 304 static inline void cm_x300_init_lcd(void) {}
 305 #endif
 306
 307 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 308 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 309         .pwm_id         = 2,
 310         .max_brightness = 100,
 311         .dft_brightness = 100,
 312         .pwm_period_ns  = 10000,
 313 };
 314
 315 static struct platform_device cm_x300_backlight_device = {
 316         .name           = "pwm-backlight",
 317         .dev            = {
 318                 .parent = &pxa27x_device_pwm0.dev,
 319                 .platform_data  = &cm_x300_backlight_data,
 320         },
 321 };
 322
 323 static void cm_x300_init_bl(void)
 324 {
 325         platform_device_register(&cm_x300_backlight_device);
 326 }
 327 #else
 328 static inline void cm_x300_init_bl(void) {}
 329 #endif
 330
 331 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 332 #define GPIO_LCD_BASE   (144)
 333 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 334 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 335 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 336 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 337 #define LCD_SPI_BUS_NUM (1)
 338
 339 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 340         .sck            = GPIO_LCD_SCL,
 341         .mosi           = GPIO_LCD_DIN,
 342         .miso           = GPIO_LCD_DOUT,
 343         .num_chipselect = 1,
 344 };
 345
 346 static struct platform_device cm_x300_spi_gpio = {
 347         .name           = "spi_gpio",
 348         .id             = LCD_SPI_BUS_NUM,
 349         .dev            = {
 350                 .platform_data  = &cm_x300_spi_gpio_pdata,
 351         },
 352 };
 353
 354 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 355         .model = TDO35S,
 356 };
 357
 358 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 359         {
 360                 .modalias               = "tdo24m",
 361                 .max_speed_hz           = 1000000,
 362                 .bus_num                = LCD_SPI_BUS_NUM,
 363                 .chip_select            = 0,
 364                 .controller_data        = (void *) GPIO_LCD_CS,
 365                 .platform_data          = &cm_x300_tdo24m_pdata,
 366         },
 367 };
 368
 369 static void __init cm_x300_init_spi(void)
 370 {
 371         spi_register_board_info(cm_x300_spi_devices,
 372                                 ARRAY_SIZE(cm_x300_spi_devices));
 373         platform_device_register(&cm_x300_spi_gpio);
 374 }
 375 #else
 376 static inline void cm_x300_init_spi(void) {}
 377 #endif
 378
 379 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 380 static void __init cm_x300_init_ac97(void)
 381 {
 382         pxa_set_ac97_info(NULL);
 383 }
 384 #else
 385 static inline void cm_x300_init_ac97(void) {}
 386 #endif
 387
 388 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 389 static struct mtd_partition cm_x300_nand_partitions[] = {
 390         [0] = {
 391                 .name        = "OBM",
 392                 .offset      = 0,
 393                 .size        = SZ_256K,
 394                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 395         },
 396         [1] = {
 397                 .name        = "U-Boot",
 398                 .offset      = MTDPART_OFS_APPEND,
 399                 .size        = SZ_256K,
 400                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 401         },
 402         [2] = {
 403                 .name        = "Environment",
 404                 .offset      = MTDPART_OFS_APPEND,
 405                 .size        = SZ_256K,
 406         },
 407         [3] = {
 408                 .name        = "reserved",
 409                 .offset      = MTDPART_OFS_APPEND,
 410                 .size        = SZ_256K + SZ_1M,
 411                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 412         },
 413         [4] = {
 414                 .name        = "kernel",
 415                 .offset      = MTDPART_OFS_APPEND,
 416                 .size        = SZ_4M,
 417         },
 418         [5] = {
 419                 .name        = "fs",
 420                 .offset      = MTDPART_OFS_APPEND,
 421                 .size        = MTDPART_SIZ_FULL,
 422         },
 423 };
 424
 425 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 426         .enable_arbiter = 1,
 427         .keep_config    = 1,
 428         .num_cs         = 1,
 429         .parts[0]       = cm_x300_nand_partitions,
 430         .nr_parts[0]    = ARRAY_SIZE(cm_x300_nand_partitions),
 431 };
 432
 433 static void __init cm_x300_init_nand(void)
 434 {
 435         pxa3xx_set_nand_info(&cm_x300_nand_info);
 436 }
 437 #else
 438 static inline void cm_x300_init_nand(void) {}
 439 #endif
 440
 441 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 442 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 443         .detect_delay_ms        = 200,
 444         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 445         .gpio_card_detect       = GPIO82_MMC_IRQ,
 446         .gpio_card_ro           = GPIO85_MMC_WP,
 447         .gpio_power             = -1,
 448 };
 449
 450 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 451    no detection/ro pins */
 452 static int cm_x300_mci2_init(struct device *dev,
 453                              irq_handler_t cm_x300_detect_int,
 454         void *data)
 455 {
 456         return 0;
 457 }
 458
 459 static void cm_x300_mci2_exit(struct device *dev, void *data)
 460 {
 461 }
 462
 463 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 464         .detect_delay_ms        = 200,
 465         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 466         .init                   = cm_x300_mci2_init,
 467         .exit                   = cm_x300_mci2_exit,
 468         .gpio_card_detect       = -1,
 469         .gpio_card_ro           = -1,
 470         .gpio_power             = -1,
 471 };
 472
 473 static void __init cm_x300_init_mmc(void)
 474 {
 475         pxa_set_mci_info(&cm_x300_mci_platform_data);
 476         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 477 }
 478 #else
 479 static inline void cm_x300_init_mmc(void) {}
 480 #endif
 481
 482 #if defined(CONFIG_PXA310_ULPI)
 483 static struct clk *pout_clk;
 484
 485 static int cm_x300_ulpi_phy_reset(void)
 486 {
 487         int err;
 488
 489         /* reset the PHY */
 490         err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
 491                                "ulpi reset");
 492         if (err) {
 493                 pr_err("failed to request ULPI reset GPIO: %d\n", err);
 494                 return err;
 495         }
 496
 497         msleep(10);
 498         gpio_set_value(GPIO_ULPI_PHY_RST, 1);
 499         msleep(10);
 500
 501         gpio_free(GPIO_ULPI_PHY_RST);
 502
 503         return 0;
 504 }
 505
 506 static inline int cm_x300_u2d_init(struct device *dev)
 507 {
 508         int err = 0;
 509
 510         if (cpu_is_pxa310()) {
 511                 /* CLK_POUT is connected to the ULPI PHY */
 512                 pout_clk = clk_get(NULL, "CLK_POUT");
 513                 if (IS_ERR(pout_clk)) {
 514                         err = PTR_ERR(pout_clk);
 515                         pr_err("failed to get CLK_POUT: %d\n", err);
 516                         return err;
 517                 }
 518                 clk_enable(pout_clk);
 519
 520                 err = cm_x300_ulpi_phy_reset();
 521                 if (err) {
 522                         clk_disable(pout_clk);
 523                         clk_put(pout_clk);
 524                 }
 525         }
 526
 527         return err;
 528 }
 529
 530 static void cm_x300_u2d_exit(struct device *dev)
 531 {
 532         if (cpu_is_pxa310()) {
 533                 clk_disable(pout_clk);
 534                 clk_put(pout_clk);
 535         }
 536 }
 537
 538 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
 539         .ulpi_mode      = ULPI_SER_6PIN,
 540         .init           = cm_x300_u2d_init,
 541         .exit           = cm_x300_u2d_exit,
 542 };
 543
 544 static void cm_x300_init_u2d(void)
 545 {
 546         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 547 }
 548 #else
 549 static inline void cm_x300_init_u2d(void) {}
 550 #endif
 551
 552 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 553 static int cm_x300_ohci_init(struct device *dev)
 554 {
 555         if (cpu_is_pxa300())
 556                 UP2OCR = UP2OCR_HXS
 557                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 558
 559         return 0;
 560 }
 561
 562 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 563         .port_mode      = PMM_PERPORT_MODE,
 564         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 565         .init           = cm_x300_ohci_init,
 566 };
 567
 568 static void __init cm_x300_init_ohci(void)
 569 {
 570         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 571 }
 572 #else
 573 static inline void cm_x300_init_ohci(void) {}
 574 #endif
 575
 576 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 577 static struct gpio_led cm_x300_leds[] = {
 578         [0] = {
 579                 .name = "cm-x300:green",
 580                 .default_trigger = "heartbeat",
 581                 .active_low = 1,
 582         },
 583 };
 584
 585 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 586         .num_leds = ARRAY_SIZE(cm_x300_leds),
 587         .leds = cm_x300_leds,
 588 };
 589
 590 static struct platform_device cm_x300_led_device = {
 591         .name           = "leds-gpio",
 592         .id             = -1,
 593         .dev            = {
 594                 .platform_data = &cm_x300_gpio_led_pdata,
 595         },
 596 };
 597
 598 static void __init cm_x300_init_leds(void)
 599 {
 600         if (system_rev < 130)
 601                 cm_x300_leds[0].gpio = 79;
 602         else
 603                 cm_x300_leds[0].gpio = 76;
 604
 605         platform_device_register(&cm_x300_led_device);
 606 }
 607 #else
 608 static inline void cm_x300_init_leds(void) {}
 609 #endif
 610
 611 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 612 /* PCA9555 */
 613 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 614         .gpio_base = 128,
 615 };
 616
 617 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 618         .gpio_base = 144,
 619 };
 620
 621 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 622         [0] = {
 623                 I2C_BOARD_INFO("pca9555", 0x24),
 624                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 625         },
 626         [1] = {
 627                 I2C_BOARD_INFO("pca9555", 0x25),
 628                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 629         },
 630 };
 631
 632 static void __init cm_x300_init_i2c(void)
 633 {
 634         pxa_set_i2c_info(NULL);
 635         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 636                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 637 }
 638 #else
 639 static inline void cm_x300_init_i2c(void) {}
 640 #endif
 641
 642 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 643 struct v3020_platform_data cm_x300_v3020_pdata = {
 644         .use_gpio       = 1,
 645         .gpio_cs        = GPIO95_RTC_CS,
 646         .gpio_wr        = GPIO96_RTC_WR,
 647         .gpio_rd        = GPIO97_RTC_RD,
 648         .gpio_io        = GPIO98_RTC_IO,
 649 };
 650
 651 static struct platform_device cm_x300_rtc_device = {
 652         .name           = "v3020",
 653         .id             = -1,
 654         .dev            = {
 655                 .platform_data = &cm_x300_v3020_pdata,
 656         }
 657 };
 658
 659 static void __init cm_x300_init_rtc(void)
 660 {
 661         platform_device_register(&cm_x300_rtc_device);
 662 }
 663 #else
 664 static inline void cm_x300_init_rtc(void) {}
 665 #endif
 666
 667 /* Battery */
 668 struct power_supply_info cm_x300_psy_info = {
 669         .name = "battery",
 670         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 671         .voltage_max_design = 4200000,
 672         .voltage_min_design = 3000000,
 673         .use_for_apm = 1,
 674 };
 675
 676 static void cm_x300_battery_low(void)
 677 {
 678 #if defined(CONFIG_APM_EMULATION)
 679         apm_queue_event(APM_LOW_BATTERY);
 680 #endif
 681 }
 682
 683 static void cm_x300_battery_critical(void)
 684 {
 685 #if defined(CONFIG_APM_EMULATION)
 686         apm_queue_event(APM_CRITICAL_SUSPEND);
 687 #endif
 688 }
 689
 690 struct da9030_battery_info cm_x300_battery_info = {
 691         .battery_info = &cm_x300_psy_info,
 692
 693         .charge_milliamp = 1000,
 694         .charge_millivolt = 4200,
 695
 696         .vbat_low = 3600,
 697         .vbat_crit = 3400,
 698         .vbat_charge_start = 4100,
 699         .vbat_charge_stop = 4200,
 700         .vbat_charge_restart = 4000,
 701
 702         .vcharge_min = 3200,
 703         .vcharge_max = 5500,
 704
 705         .tbat_low = 197,
 706         .tbat_high = 78,
 707         .tbat_restart = 100,
 708
 709         .batmon_interval = 0,
 710
 711         .battery_low = cm_x300_battery_low,
 712         .battery_critical = cm_x300_battery_critical,
 713 };
 714
 715 static struct regulator_consumer_supply buck2_consumers[] = {
 716         {
 717                 .supply = "vcc_core",
 718         },
 719 };
 720
 721 static struct regulator_init_data buck2_data = {
 722         .constraints = {
 723                 .min_uV = 1375000,
 724                 .max_uV = 1375000,
 725                 .state_mem = {
 726                         .enabled = 0,
 727                 },
 728                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 729                 .apply_uV = 1,
 730         },
 731         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
 732         .consumer_supplies = buck2_consumers,
 733 };
 734
 735 /* DA9030 */
 736 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 737         {
 738                 .name = "da903x-battery",
 739                 .id = DA9030_ID_BAT,
 740                 .platform_data = &cm_x300_battery_info,
 741         },
 742         {
 743                 .name = "da903x-regulator",
 744                 .id = DA9030_ID_BUCK2,
 745                 .platform_data = &buck2_data,
 746         },
 747 };
 748
 749 static struct da903x_platform_data cm_x300_da9030_info = {
 750         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
 751         .subdevs = cm_x300_da9030_subdevs,
 752 };
 753
 754 static struct i2c_board_info cm_x300_pmic_info = {
 755         I2C_BOARD_INFO("da9030", 0x49),
 756         .irq = IRQ_WAKEUP0,
 757         .platform_data = &cm_x300_da9030_info,
 758 };
 759
 760 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 761         .use_pio = 1,
 762 };
 763
 764 static void __init cm_x300_init_da9030(void)
 765 {
 766         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
 767         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
 768         irq_set_irq_wake(IRQ_WAKEUP0, 1);
 769 }
 770
 771 /* wi2wi gpio setting for system_rev >= 130 */
 772 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
 773         { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
 774         { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
 775 };
 776
 777 static void __init cm_x300_init_wi2wi(void)
 778 {
 779         int err;
 780
 781         if (system_rev < 130) {
 782                 cm_x300_wi2wi_gpios[0].gpio = 77;       /* wlan en */
 783                 cm_x300_wi2wi_gpios[1].gpio = 78;       /* bt reset */
 784         }
 785
 786         /* Libertas and CSR reset */
 787         err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 788         if (err) {
 789                 pr_err("failed to request wifi/bt gpios: %d\n", err);
 790                 return;
 791         }
 792
 793         udelay(10);
 794         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
 795         udelay(10);
 796         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
 797
 798         gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 799 }
 800
 801 /* MFP */
 802 static void __init cm_x300_init_mfp(void)
 803 {
 804         /* board-processor specific GPIO initialization */
 805         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 806
 807         if (system_rev < 130)
 808                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 809         else
 810                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 811
 812         if (cpu_is_pxa310())
 813                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 814 }
 815
 816 static void __init cm_x300_init(void)
 817 {
 818         cm_x300_init_mfp();
 819
 820         pxa_set_btuart_info(NULL);
 821         pxa_set_stuart_info(NULL);
 822         if (cpu_is_pxa300())
 823                 pxa_set_ffuart_info(NULL);
 824
 825         cm_x300_init_da9030();
 826         cm_x300_init_dm9000();
 827         cm_x300_init_lcd();
 828         cm_x300_init_u2d();
 829         cm_x300_init_ohci();
 830         cm_x300_init_mmc();
 831         cm_x300_init_nand();
 832         cm_x300_init_leds();
 833         cm_x300_init_i2c();
 834         cm_x300_init_spi();
 835         cm_x300_init_rtc();
 836         cm_x300_init_ac97();
 837         cm_x300_init_wi2wi();
 838         cm_x300_init_bl();
 839 }
 840
 841 static void __init cm_x300_fixup(struct tag *tags, char **cmdline,
 842                                  struct meminfo *mi)
 843 {
 844         /* Make sure that mi->bank[0].start = PHYS_ADDR */
 845         for (; tags->hdr.size; tags = tag_next(tags))
 846                 if (tags->hdr.tag == ATAG_MEM &&
 847                         tags->u.mem.start == 0x80000000) {
 848                         tags->u.mem.start = 0xa0000000;
 849                         break;
 850                 }
 851 }
 852
 853 MACHINE_START(CM_X300, "CM-X300 module")
 854         .atag_offset    = 0x100,
 855         .map_io         = pxa3xx_map_io,
 856         .init_irq       = pxa3xx_init_irq,
 857         .handle_irq     = pxa3xx_handle_irq,
 858         .timer          = &pxa_timer,
 859         .init_machine   = cm_x300_init,
 860         .fixup          = cm_x300_fixup,
 861         .restart        = pxa_restart,
 862 MACHINE_END