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.h>
  30 #include <linux/pwm_backlight.h>
  31
  32 #include <linux/i2c.h>
  33 #include <linux/platform_data/pca953x.h>
  34 #include <linux/i2c/pxa-i2c.h>
  35
  36 #include <linux/mfd/da903x.h>
  37 #include <linux/regulator/machine.h>
  38 #include <linux/power_supply.h>
  39 #include <linux/apm-emulation.h>
  40
  41 #include <linux/spi/spi.h>
  42 #include <linux/spi/spi_gpio.h>
  43 #include <linux/spi/tdo24m.h>
  44
  45 #include <asm/mach-types.h>
  46 #include <asm/mach/arch.h>
  47 #include <asm/setup.h>
  48 #include <asm/system_info.h>
  49
  50 #include <mach/pxa300.h>
  51 #include <mach/pxa27x-udc.h>
  52 #include <linux/platform_data/video-pxafb.h>
  53 #include <linux/platform_data/mmc-pxamci.h>
  54 #include <linux/platform_data/usb-ohci-pxa27x.h>
  55 #include <linux/platform_data/mtd-nand-pxa3xx.h>
  56 #include <mach/audio.h>
  57 #include <linux/platform_data/usb-pxa3xx-ulpi.h>
  58
  59 #include <asm/mach/map.h>
  60
  61 #include "generic.h"
  62 #include "devices.h"
  63
  64 #define CM_X300_ETH_PHYS        0x08000010
  65
  66 #define GPIO82_MMC_IRQ          (82)
  67 #define GPIO85_MMC_WP           (85)
  68
  69 #define CM_X300_MMC_IRQ         PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ)
  70
  71 #define GPIO95_RTC_CS           (95)
  72 #define GPIO96_RTC_WR           (96)
  73 #define GPIO97_RTC_RD           (97)
  74 #define GPIO98_RTC_IO           (98)
  75
  76 #define GPIO_ULPI_PHY_RST       (127)
  77
  78 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
  79         /* LCD */
  80         GPIO54_LCD_LDD_0,
  81         GPIO55_LCD_LDD_1,
  82         GPIO56_LCD_LDD_2,
  83         GPIO57_LCD_LDD_3,
  84         GPIO58_LCD_LDD_4,
  85         GPIO59_LCD_LDD_5,
  86         GPIO60_LCD_LDD_6,
  87         GPIO61_LCD_LDD_7,
  88         GPIO62_LCD_LDD_8,
  89         GPIO63_LCD_LDD_9,
  90         GPIO64_LCD_LDD_10,
  91         GPIO65_LCD_LDD_11,
  92         GPIO66_LCD_LDD_12,
  93         GPIO67_LCD_LDD_13,
  94         GPIO68_LCD_LDD_14,
  95         GPIO69_LCD_LDD_15,
  96         GPIO72_LCD_FCLK,
  97         GPIO73_LCD_LCLK,
  98         GPIO74_LCD_PCLK,
  99         GPIO75_LCD_BIAS,
 100
 101         /* BTUART */
 102         GPIO111_UART2_RTS,
 103         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
 104         GPIO113_UART2_TXD,
 105         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
 106
 107         /* STUART */
 108         GPIO109_UART3_TXD,
 109         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
 110
 111         /* AC97 */
 112         GPIO23_AC97_nACRESET,
 113         GPIO24_AC97_SYSCLK,
 114         GPIO29_AC97_BITCLK,
 115         GPIO25_AC97_SDATA_IN_0,
 116         GPIO27_AC97_SDATA_OUT,
 117         GPIO28_AC97_SYNC,
 118
 119         /* Keypad */
 120         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
 121         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
 122         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
 123         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
 124         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
 125         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
 126         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
 127         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
 128         GPIO121_KP_MKOUT_0,
 129         GPIO122_KP_MKOUT_1,
 130         GPIO123_KP_MKOUT_2,
 131         GPIO124_KP_MKOUT_3,
 132         GPIO125_KP_MKOUT_4,
 133         GPIO4_2_KP_MKOUT_5,
 134
 135         /* MMC1 */
 136         GPIO3_MMC1_DAT0,
 137         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
 138         GPIO5_MMC1_DAT2,
 139         GPIO6_MMC1_DAT3,
 140         GPIO7_MMC1_CLK,
 141         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
 142
 143         /* MMC2 */
 144         GPIO9_MMC2_DAT0,
 145         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
 146         GPIO11_MMC2_DAT2,
 147         GPIO12_MMC2_DAT3,
 148         GPIO13_MMC2_CLK,
 149         GPIO14_MMC2_CMD,
 150
 151         /* FFUART */
 152         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
 153         GPIO31_UART1_TXD,
 154         GPIO32_UART1_CTS,
 155         GPIO37_UART1_RTS,
 156         GPIO33_UART1_DCD,
 157         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
 158         GPIO35_UART1_RI,
 159         GPIO36_UART1_DTR,
 160
 161         /* GPIOs */
 162         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
 163         GPIO85_GPIO,                    /* MMC WP */
 164         GPIO99_GPIO,                    /* Ethernet IRQ */
 165
 166         /* RTC GPIOs */
 167         GPIO95_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC CS */
 168         GPIO96_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC WR */
 169         GPIO97_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC RD */
 170         GPIO98_GPIO,                            /* RTC IO */
 171
 172         /* Standard I2C */
 173         GPIO21_I2C_SCL,
 174         GPIO22_I2C_SDA,
 175
 176         /* PWM Backlight */
 177         GPIO19_PWM2_OUT,
 178 };
 179
 180 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
 181         /* GPIOs */
 182         GPIO79_GPIO,                    /* LED */
 183         GPIO77_GPIO,                    /* WiFi reset */
 184         GPIO78_GPIO,                    /* BT reset */
 185 };
 186
 187 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
 188         /* GPIOs */
 189         GPIO76_GPIO,                    /* LED */
 190         GPIO71_GPIO,                    /* WiFi reset */
 191         GPIO70_GPIO,                    /* BT reset */
 192 };
 193
 194 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
 195         /* USB PORT 2 */
 196         ULPI_STP,
 197         ULPI_NXT,
 198         ULPI_DIR,
 199         GPIO30_ULPI_DATA_OUT_0,
 200         GPIO31_ULPI_DATA_OUT_1,
 201         GPIO32_ULPI_DATA_OUT_2,
 202         GPIO33_ULPI_DATA_OUT_3,
 203         GPIO34_ULPI_DATA_OUT_4,
 204         GPIO35_ULPI_DATA_OUT_5,
 205         GPIO36_ULPI_DATA_OUT_6,
 206         GPIO37_ULPI_DATA_OUT_7,
 207         GPIO38_ULPI_CLK,
 208         /* external PHY reset pin */
 209         GPIO127_GPIO,
 210
 211         /* USB PORT 3 */
 212         GPIO77_USB_P3_1,
 213         GPIO78_USB_P3_2,
 214         GPIO79_USB_P3_3,
 215         GPIO80_USB_P3_4,
 216         GPIO81_USB_P3_5,
 217         GPIO82_USB_P3_6,
 218         GPIO0_2_USBH_PEN,
 219 };
 220
 221 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 222 static struct resource dm9000_resources[] = {
 223         [0] = {
 224                 .start  = CM_X300_ETH_PHYS,
 225                 .end    = CM_X300_ETH_PHYS + 0x3,
 226                 .flags  = IORESOURCE_MEM,
 227         },
 228         [1] = {
 229                 .start  = CM_X300_ETH_PHYS + 0x4,
 230                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
 231                 .flags  = IORESOURCE_MEM,
 232         },
 233         [2] = {
 234                 .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
 235                 .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
 236                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 237         }
 238 };
 239
 240 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 241         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 242 };
 243
 244 static struct platform_device dm9000_device = {
 245         .name           = "dm9000",
 246         .id             = 0,
 247         .num_resources  = ARRAY_SIZE(dm9000_resources),
 248         .resource       = dm9000_resources,
 249         .dev            = {
 250                 .platform_data = &cm_x300_dm9000_platdata,
 251         }
 252
 253 };
 254
 255 static void __init cm_x300_init_dm9000(void)
 256 {
 257         platform_device_register(&dm9000_device);
 258 }
 259 #else
 260 static inline void cm_x300_init_dm9000(void) {}
 261 #endif
 262
 263 /* LCD */
 264 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 265 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
 266         [0] = {
 267                 .pixclock       = 38250,
 268                 .bpp            = 16,
 269                 .xres           = 480,
 270                 .yres           = 640,
 271                 .hsync_len      = 8,
 272                 .vsync_len      = 2,
 273                 .left_margin    = 8,
 274                 .upper_margin   = 2,
 275                 .right_margin   = 24,
 276                 .lower_margin   = 4,
 277                 .cmap_greyscale = 0,
 278         },
 279         [1] = {
 280                 .pixclock       = 153800,
 281                 .bpp            = 16,
 282                 .xres           = 240,
 283                 .yres           = 320,
 284                 .hsync_len      = 8,
 285                 .vsync_len      = 2,
 286                 .left_margin    = 8,
 287                 .upper_margin   = 2,
 288                 .right_margin   = 88,
 289                 .lower_margin   = 2,
 290                 .cmap_greyscale = 0,
 291         },
 292 };
 293
 294 static struct pxafb_mach_info cm_x300_lcd = {
 295         .modes                  = cm_x300_lcd_modes,
 296         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
 297         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 298 };
 299
 300 static void __init cm_x300_init_lcd(void)
 301 {
 302         pxa_set_fb_info(NULL, &cm_x300_lcd);
 303 }
 304 #else
 305 static inline void cm_x300_init_lcd(void) {}
 306 #endif
 307
 308 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 309 static struct pwm_lookup cm_x300_pwm_lookup[] = {
 310         PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 10000,
 311                    PWM_POLARITY_NORMAL),
 312 };
 313
 314 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 315         .max_brightness = 100,
 316         .dft_brightness = 100,
 317         .enable_gpio    = -1,
 318 };
 319
 320 static struct platform_device cm_x300_backlight_device = {
 321         .name           = "pwm-backlight",
 322         .dev            = {
 323                 .parent = &pxa27x_device_pwm0.dev,
 324                 .platform_data  = &cm_x300_backlight_data,
 325         },
 326 };
 327
 328 static void cm_x300_init_bl(void)
 329 {
 330         pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
 331         platform_device_register(&cm_x300_backlight_device);
 332 }
 333 #else
 334 static inline void cm_x300_init_bl(void) {}
 335 #endif
 336
 337 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 338 #define GPIO_LCD_BASE   (144)
 339 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 340 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 341 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 342 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 343 #define LCD_SPI_BUS_NUM (1)
 344
 345 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 346         .sck            = GPIO_LCD_SCL,
 347         .mosi           = GPIO_LCD_DIN,
 348         .miso           = GPIO_LCD_DOUT,
 349         .num_chipselect = 1,
 350 };
 351
 352 static struct platform_device cm_x300_spi_gpio = {
 353         .name           = "spi_gpio",
 354         .id             = LCD_SPI_BUS_NUM,
 355         .dev            = {
 356                 .platform_data  = &cm_x300_spi_gpio_pdata,
 357         },
 358 };
 359
 360 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 361         .model = TDO35S,
 362 };
 363
 364 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 365         {
 366                 .modalias               = "tdo24m",
 367                 .max_speed_hz           = 1000000,
 368                 .bus_num                = LCD_SPI_BUS_NUM,
 369                 .chip_select            = 0,
 370                 .controller_data        = (void *) GPIO_LCD_CS,
 371                 .platform_data          = &cm_x300_tdo24m_pdata,
 372         },
 373 };
 374
 375 static void __init cm_x300_init_spi(void)
 376 {
 377         spi_register_board_info(cm_x300_spi_devices,
 378                                 ARRAY_SIZE(cm_x300_spi_devices));
 379         platform_device_register(&cm_x300_spi_gpio);
 380 }
 381 #else
 382 static inline void cm_x300_init_spi(void) {}
 383 #endif
 384
 385 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 386 static void __init cm_x300_init_ac97(void)
 387 {
 388         pxa_set_ac97_info(NULL);
 389 }
 390 #else
 391 static inline void cm_x300_init_ac97(void) {}
 392 #endif
 393
 394 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 395 static struct mtd_partition cm_x300_nand_partitions[] = {
 396         [0] = {
 397                 .name        = "OBM",
 398                 .offset      = 0,
 399                 .size        = SZ_256K,
 400                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 401         },
 402         [1] = {
 403                 .name        = "U-Boot",
 404                 .offset      = MTDPART_OFS_APPEND,
 405                 .size        = SZ_256K,
 406                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 407         },
 408         [2] = {
 409                 .name        = "Environment",
 410                 .offset      = MTDPART_OFS_APPEND,
 411                 .size        = SZ_256K,
 412         },
 413         [3] = {
 414                 .name        = "reserved",
 415                 .offset      = MTDPART_OFS_APPEND,
 416                 .size        = SZ_256K + SZ_1M,
 417                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 418         },
 419         [4] = {
 420                 .name        = "kernel",
 421                 .offset      = MTDPART_OFS_APPEND,
 422                 .size        = SZ_4M,
 423         },
 424         [5] = {
 425                 .name        = "fs",
 426                 .offset      = MTDPART_OFS_APPEND,
 427                 .size        = MTDPART_SIZ_FULL,
 428         },
 429 };
 430
 431 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 432         .enable_arbiter = 1,
 433         .keep_config    = 1,
 434         .num_cs         = 1,
 435         .parts[0]       = cm_x300_nand_partitions,
 436         .nr_parts[0]    = ARRAY_SIZE(cm_x300_nand_partitions),
 437 };
 438
 439 static void __init cm_x300_init_nand(void)
 440 {
 441         pxa3xx_set_nand_info(&cm_x300_nand_info);
 442 }
 443 #else
 444 static inline void cm_x300_init_nand(void) {}
 445 #endif
 446
 447 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 448 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 449         .detect_delay_ms        = 200,
 450         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 451         .gpio_card_detect       = GPIO82_MMC_IRQ,
 452         .gpio_card_ro           = GPIO85_MMC_WP,
 453         .gpio_power             = -1,
 454 };
 455
 456 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 457    no detection/ro pins */
 458 static int cm_x300_mci2_init(struct device *dev,
 459                              irq_handler_t cm_x300_detect_int,
 460         void *data)
 461 {
 462         return 0;
 463 }
 464
 465 static void cm_x300_mci2_exit(struct device *dev, void *data)
 466 {
 467 }
 468
 469 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 470         .detect_delay_ms        = 200,
 471         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 472         .init                   = cm_x300_mci2_init,
 473         .exit                   = cm_x300_mci2_exit,
 474         .gpio_card_detect       = -1,
 475         .gpio_card_ro           = -1,
 476         .gpio_power             = -1,
 477 };
 478
 479 static void __init cm_x300_init_mmc(void)
 480 {
 481         pxa_set_mci_info(&cm_x300_mci_platform_data);
 482         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 483 }
 484 #else
 485 static inline void cm_x300_init_mmc(void) {}
 486 #endif
 487
 488 #if defined(CONFIG_PXA310_ULPI)
 489 static struct clk *pout_clk;
 490
 491 static int cm_x300_ulpi_phy_reset(void)
 492 {
 493         int err;
 494
 495         /* reset the PHY */
 496         err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
 497                                "ulpi reset");
 498         if (err) {
 499                 pr_err("failed to request ULPI reset GPIO: %d\n", err);
 500                 return err;
 501         }
 502
 503         msleep(10);
 504         gpio_set_value(GPIO_ULPI_PHY_RST, 1);
 505         msleep(10);
 506
 507         gpio_free(GPIO_ULPI_PHY_RST);
 508
 509         return 0;
 510 }
 511
 512 static inline int cm_x300_u2d_init(struct device *dev)
 513 {
 514         int err = 0;
 515
 516         if (cpu_is_pxa310()) {
 517                 /* CLK_POUT is connected to the ULPI PHY */
 518                 pout_clk = clk_get(NULL, "CLK_POUT");
 519                 if (IS_ERR(pout_clk)) {
 520                         err = PTR_ERR(pout_clk);
 521                         pr_err("failed to get CLK_POUT: %d\n", err);
 522                         return err;
 523                 }
 524                 clk_enable(pout_clk);
 525
 526                 err = cm_x300_ulpi_phy_reset();
 527                 if (err) {
 528                         clk_disable(pout_clk);
 529                         clk_put(pout_clk);
 530                 }
 531         }
 532
 533         return err;
 534 }
 535
 536 static void cm_x300_u2d_exit(struct device *dev)
 537 {
 538         if (cpu_is_pxa310()) {
 539                 clk_disable(pout_clk);
 540                 clk_put(pout_clk);
 541         }
 542 }
 543
 544 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
 545         .ulpi_mode      = ULPI_SER_6PIN,
 546         .init           = cm_x300_u2d_init,
 547         .exit           = cm_x300_u2d_exit,
 548 };
 549
 550 static void cm_x300_init_u2d(void)
 551 {
 552         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 553 }
 554 #else
 555 static inline void cm_x300_init_u2d(void) {}
 556 #endif
 557
 558 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 559 static int cm_x300_ohci_init(struct device *dev)
 560 {
 561         if (cpu_is_pxa300())
 562                 UP2OCR = UP2OCR_HXS
 563                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 564
 565         return 0;
 566 }
 567
 568 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 569         .port_mode      = PMM_PERPORT_MODE,
 570         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 571         .init           = cm_x300_ohci_init,
 572 };
 573
 574 static void __init cm_x300_init_ohci(void)
 575 {
 576         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 577 }
 578 #else
 579 static inline void cm_x300_init_ohci(void) {}
 580 #endif
 581
 582 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 583 static struct gpio_led cm_x300_leds[] = {
 584         [0] = {
 585                 .name = "cm-x300:green",
 586                 .default_trigger = "heartbeat",
 587                 .active_low = 1,
 588         },
 589 };
 590
 591 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 592         .num_leds = ARRAY_SIZE(cm_x300_leds),
 593         .leds = cm_x300_leds,
 594 };
 595
 596 static struct platform_device cm_x300_led_device = {
 597         .name           = "leds-gpio",
 598         .id             = -1,
 599         .dev            = {
 600                 .platform_data = &cm_x300_gpio_led_pdata,
 601         },
 602 };
 603
 604 static void __init cm_x300_init_leds(void)
 605 {
 606         if (system_rev < 130)
 607                 cm_x300_leds[0].gpio = 79;
 608         else
 609                 cm_x300_leds[0].gpio = 76;
 610
 611         platform_device_register(&cm_x300_led_device);
 612 }
 613 #else
 614 static inline void cm_x300_init_leds(void) {}
 615 #endif
 616
 617 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 618 /* PCA9555 */
 619 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 620         .gpio_base = 128,
 621 };
 622
 623 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 624         .gpio_base = 144,
 625 };
 626
 627 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 628         [0] = {
 629                 I2C_BOARD_INFO("pca9555", 0x24),
 630                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 631         },
 632         [1] = {
 633                 I2C_BOARD_INFO("pca9555", 0x25),
 634                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 635         },
 636 };
 637
 638 static void __init cm_x300_init_i2c(void)
 639 {
 640         pxa_set_i2c_info(NULL);
 641         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 642                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 643 }
 644 #else
 645 static inline void cm_x300_init_i2c(void) {}
 646 #endif
 647
 648 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 649 struct v3020_platform_data cm_x300_v3020_pdata = {
 650         .use_gpio       = 1,
 651         .gpio_cs        = GPIO95_RTC_CS,
 652         .gpio_wr        = GPIO96_RTC_WR,
 653         .gpio_rd        = GPIO97_RTC_RD,
 654         .gpio_io        = GPIO98_RTC_IO,
 655 };
 656
 657 static struct platform_device cm_x300_rtc_device = {
 658         .name           = "v3020",
 659         .id             = -1,
 660         .dev            = {
 661                 .platform_data = &cm_x300_v3020_pdata,
 662         }
 663 };
 664
 665 static void __init cm_x300_init_rtc(void)
 666 {
 667         platform_device_register(&cm_x300_rtc_device);
 668 }
 669 #else
 670 static inline void cm_x300_init_rtc(void) {}
 671 #endif
 672
 673 /* Battery */
 674 struct power_supply_info cm_x300_psy_info = {
 675         .name = "battery",
 676         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 677         .voltage_max_design = 4200000,
 678         .voltage_min_design = 3000000,
 679         .use_for_apm = 1,
 680 };
 681
 682 static void cm_x300_battery_low(void)
 683 {
 684 #if defined(CONFIG_APM_EMULATION)
 685         apm_queue_event(APM_LOW_BATTERY);
 686 #endif
 687 }
 688
 689 static void cm_x300_battery_critical(void)
 690 {
 691 #if defined(CONFIG_APM_EMULATION)
 692         apm_queue_event(APM_CRITICAL_SUSPEND);
 693 #endif
 694 }
 695
 696 struct da9030_battery_info cm_x300_battery_info = {
 697         .battery_info = &cm_x300_psy_info,
 698
 699         .charge_milliamp = 1000,
 700         .charge_millivolt = 4200,
 701
 702         .vbat_low = 3600,
 703         .vbat_crit = 3400,
 704         .vbat_charge_start = 4100,
 705         .vbat_charge_stop = 4200,
 706         .vbat_charge_restart = 4000,
 707
 708         .vcharge_min = 3200,
 709         .vcharge_max = 5500,
 710
 711         .tbat_low = 197,
 712         .tbat_high = 78,
 713         .tbat_restart = 100,
 714
 715         .batmon_interval = 0,
 716
 717         .battery_low = cm_x300_battery_low,
 718         .battery_critical = cm_x300_battery_critical,
 719 };
 720
 721 static struct regulator_consumer_supply buck2_consumers[] = {
 722         REGULATOR_SUPPLY("vcc_core", NULL),
 723 };
 724
 725 static struct regulator_init_data buck2_data = {
 726         .constraints = {
 727                 .min_uV = 1375000,
 728                 .max_uV = 1375000,
 729                 .state_mem = {
 730                         .enabled = 0,
 731                 },
 732                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 733                 .apply_uV = 1,
 734         },
 735         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
 736         .consumer_supplies = buck2_consumers,
 737 };
 738
 739 /* DA9030 */
 740 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 741         {
 742                 .name = "da903x-battery",
 743                 .id = DA9030_ID_BAT,
 744                 .platform_data = &cm_x300_battery_info,
 745         },
 746         {
 747                 .name = "da903x-regulator",
 748                 .id = DA9030_ID_BUCK2,
 749                 .platform_data = &buck2_data,
 750         },
 751 };
 752
 753 static struct da903x_platform_data cm_x300_da9030_info = {
 754         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
 755         .subdevs = cm_x300_da9030_subdevs,
 756 };
 757
 758 static struct i2c_board_info cm_x300_pmic_info = {
 759         I2C_BOARD_INFO("da9030", 0x49),
 760         .irq = IRQ_WAKEUP0,
 761         .platform_data = &cm_x300_da9030_info,
 762 };
 763
 764 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 765         .use_pio = 1,
 766 };
 767
 768 static void __init cm_x300_init_da9030(void)
 769 {
 770         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
 771         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
 772         irq_set_irq_wake(IRQ_WAKEUP0, 1);
 773 }
 774
 775 /* wi2wi gpio setting for system_rev >= 130 */
 776 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
 777         { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
 778         { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
 779 };
 780
 781 static void __init cm_x300_init_wi2wi(void)
 782 {
 783         int err;
 784
 785         if (system_rev < 130) {
 786                 cm_x300_wi2wi_gpios[0].gpio = 77;       /* wlan en */
 787                 cm_x300_wi2wi_gpios[1].gpio = 78;       /* bt reset */
 788         }
 789
 790         /* Libertas and CSR reset */
 791         err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 792         if (err) {
 793                 pr_err("failed to request wifi/bt gpios: %d\n", err);
 794                 return;
 795         }
 796
 797         udelay(10);
 798         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
 799         udelay(10);
 800         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
 801
 802         gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 803 }
 804
 805 /* MFP */
 806 static void __init cm_x300_init_mfp(void)
 807 {
 808         /* board-processor specific GPIO initialization */
 809         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 810
 811         if (system_rev < 130)
 812                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 813         else
 814                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 815
 816         if (cpu_is_pxa310())
 817                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 818 }
 819
 820 static void __init cm_x300_init(void)
 821 {
 822         cm_x300_init_mfp();
 823
 824         pxa_set_btuart_info(NULL);
 825         pxa_set_stuart_info(NULL);
 826         if (cpu_is_pxa300())
 827                 pxa_set_ffuart_info(NULL);
 828
 829         cm_x300_init_da9030();
 830         cm_x300_init_dm9000();
 831         cm_x300_init_lcd();
 832         cm_x300_init_u2d();
 833         cm_x300_init_ohci();
 834         cm_x300_init_mmc();
 835         cm_x300_init_nand();
 836         cm_x300_init_leds();
 837         cm_x300_init_i2c();
 838         cm_x300_init_spi();
 839         cm_x300_init_rtc();
 840         cm_x300_init_ac97();
 841         cm_x300_init_wi2wi();
 842         cm_x300_init_bl();
 843
 844         regulator_has_full_constraints();
 845 }
 846
 847 static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
 848 {
 849         /* Make sure that mi->bank[0].start = PHYS_ADDR */
 850         for (; tags->hdr.size; tags = tag_next(tags))
 851                 if (tags->hdr.tag == ATAG_MEM &&
 852                         tags->u.mem.start == 0x80000000) {
 853                         tags->u.mem.start = 0xa0000000;
 854                         break;
 855                 }
 856 }
 857
 858 MACHINE_START(CM_X300, "CM-X300 module")
 859         .atag_offset    = 0x100,
 860         .map_io         = pxa3xx_map_io,
 861         .nr_irqs        = PXA_NR_IRQS,
 862         .init_irq       = pxa3xx_init_irq,
 863         .handle_irq     = pxa3xx_handle_irq,
 864         .init_time      = pxa_timer_init,
 865         .init_machine   = cm_x300_init,
 866         .fixup          = cm_x300_fixup,
 867         .restart        = pxa_restart,
 868 MACHINE_END