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 <[email protected]>
   9  * Igor Grinberg <[email protected]>
  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/platform_data/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 <linux/platform_data/video-pxafb.h>
  52 #include <linux/platform_data/mmc-pxamci.h>
  53 #include <linux/platform_data/usb-ohci-pxa27x.h>
  54 #include <linux/platform_data/mtd-nand-pxa3xx.h>
  55 #include <mach/audio.h>
  56 #include <linux/platform_data/usb-pxa3xx-ulpi.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         .enable_gpio    = -1,
 314 };
 315
 316 static struct platform_device cm_x300_backlight_device = {
 317         .name           = "pwm-backlight",
 318         .dev            = {
 319                 .parent = &pxa27x_device_pwm0.dev,
 320                 .platform_data  = &cm_x300_backlight_data,
 321         },
 322 };
 323
 324 static void cm_x300_init_bl(void)
 325 {
 326         platform_device_register(&cm_x300_backlight_device);
 327 }
 328 #else
 329 static inline void cm_x300_init_bl(void) {}
 330 #endif
 331
 332 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 333 #define GPIO_LCD_BASE   (144)
 334 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 335 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 336 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 337 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 338 #define LCD_SPI_BUS_NUM (1)
 339
 340 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 341         .sck            = GPIO_LCD_SCL,
 342         .mosi           = GPIO_LCD_DIN,
 343         .miso           = GPIO_LCD_DOUT,
 344         .num_chipselect = 1,
 345 };
 346
 347 static struct platform_device cm_x300_spi_gpio = {
 348         .name           = "spi_gpio",
 349         .id             = LCD_SPI_BUS_NUM,
 350         .dev            = {
 351                 .platform_data  = &cm_x300_spi_gpio_pdata,
 352         },
 353 };
 354
 355 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 356         .model = TDO35S,
 357 };
 358
 359 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 360         {
 361                 .modalias               = "tdo24m",
 362                 .max_speed_hz           = 1000000,
 363                 .bus_num                = LCD_SPI_BUS_NUM,
 364                 .chip_select            = 0,
 365                 .controller_data        = (void *) GPIO_LCD_CS,
 366                 .platform_data          = &cm_x300_tdo24m_pdata,
 367         },
 368 };
 369
 370 static void __init cm_x300_init_spi(void)
 371 {
 372         spi_register_board_info(cm_x300_spi_devices,
 373                                 ARRAY_SIZE(cm_x300_spi_devices));
 374         platform_device_register(&cm_x300_spi_gpio);
 375 }
 376 #else
 377 static inline void cm_x300_init_spi(void) {}
 378 #endif
 379
 380 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 381 static void __init cm_x300_init_ac97(void)
 382 {
 383         pxa_set_ac97_info(NULL);
 384 }
 385 #else
 386 static inline void cm_x300_init_ac97(void) {}
 387 #endif
 388
 389 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 390 static struct mtd_partition cm_x300_nand_partitions[] = {
 391         [0] = {
 392                 .name        = "OBM",
 393                 .offset      = 0,
 394                 .size        = SZ_256K,
 395                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 396         },
 397         [1] = {
 398                 .name        = "U-Boot",
 399                 .offset      = MTDPART_OFS_APPEND,
 400                 .size        = SZ_256K,
 401                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 402         },
 403         [2] = {
 404                 .name        = "Environment",
 405                 .offset      = MTDPART_OFS_APPEND,
 406                 .size        = SZ_256K,
 407         },
 408         [3] = {
 409                 .name        = "reserved",
 410                 .offset      = MTDPART_OFS_APPEND,
 411                 .size        = SZ_256K + SZ_1M,
 412                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 413         },
 414         [4] = {
 415                 .name        = "kernel",
 416                 .offset      = MTDPART_OFS_APPEND,
 417                 .size        = SZ_4M,
 418         },
 419         [5] = {
 420                 .name        = "fs",
 421                 .offset      = MTDPART_OFS_APPEND,
 422                 .size        = MTDPART_SIZ_FULL,
 423         },
 424 };
 425
 426 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 427         .enable_arbiter = 1,
 428         .keep_config    = 1,
 429         .num_cs         = 1,
 430         .parts[0]       = cm_x300_nand_partitions,
 431         .nr_parts[0]    = ARRAY_SIZE(cm_x300_nand_partitions),
 432 };
 433
 434 static void __init cm_x300_init_nand(void)
 435 {
 436         pxa3xx_set_nand_info(&cm_x300_nand_info);
 437 }
 438 #else
 439 static inline void cm_x300_init_nand(void) {}
 440 #endif
 441
 442 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 443 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 444         .detect_delay_ms        = 200,
 445         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 446         .gpio_card_detect       = GPIO82_MMC_IRQ,
 447         .gpio_card_ro           = GPIO85_MMC_WP,
 448         .gpio_power             = -1,
 449 };
 450
 451 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 452    no detection/ro pins */
 453 static int cm_x300_mci2_init(struct device *dev,
 454                              irq_handler_t cm_x300_detect_int,
 455         void *data)
 456 {
 457         return 0;
 458 }
 459
 460 static void cm_x300_mci2_exit(struct device *dev, void *data)
 461 {
 462 }
 463
 464 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 465         .detect_delay_ms        = 200,
 466         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 467         .init                   = cm_x300_mci2_init,
 468         .exit                   = cm_x300_mci2_exit,
 469         .gpio_card_detect       = -1,
 470         .gpio_card_ro           = -1,
 471         .gpio_power             = -1,
 472 };
 473
 474 static void __init cm_x300_init_mmc(void)
 475 {
 476         pxa_set_mci_info(&cm_x300_mci_platform_data);
 477         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 478 }
 479 #else
 480 static inline void cm_x300_init_mmc(void) {}
 481 #endif
 482
 483 #if defined(CONFIG_PXA310_ULPI)
 484 static struct clk *pout_clk;
 485
 486 static int cm_x300_ulpi_phy_reset(void)
 487 {
 488         int err;
 489
 490         /* reset the PHY */
 491         err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
 492                                "ulpi reset");
 493         if (err) {
 494                 pr_err("failed to request ULPI reset GPIO: %d\n", err);
 495                 return err;
 496         }
 497
 498         msleep(10);
 499         gpio_set_value(GPIO_ULPI_PHY_RST, 1);
 500         msleep(10);
 501
 502         gpio_free(GPIO_ULPI_PHY_RST);
 503
 504         return 0;
 505 }
 506
 507 static inline int cm_x300_u2d_init(struct device *dev)
 508 {
 509         int err = 0;
 510
 511         if (cpu_is_pxa310()) {
 512                 /* CLK_POUT is connected to the ULPI PHY */
 513                 pout_clk = clk_get(NULL, "CLK_POUT");
 514                 if (IS_ERR(pout_clk)) {
 515                         err = PTR_ERR(pout_clk);
 516                         pr_err("failed to get CLK_POUT: %d\n", err);
 517                         return err;
 518                 }
 519                 clk_enable(pout_clk);
 520
 521                 err = cm_x300_ulpi_phy_reset();
 522                 if (err) {
 523                         clk_disable(pout_clk);
 524                         clk_put(pout_clk);
 525                 }
 526         }
 527
 528         return err;
 529 }
 530
 531 static void cm_x300_u2d_exit(struct device *dev)
 532 {
 533         if (cpu_is_pxa310()) {
 534                 clk_disable(pout_clk);
 535                 clk_put(pout_clk);
 536         }
 537 }
 538
 539 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
 540         .ulpi_mode      = ULPI_SER_6PIN,
 541         .init           = cm_x300_u2d_init,
 542         .exit           = cm_x300_u2d_exit,
 543 };
 544
 545 static void cm_x300_init_u2d(void)
 546 {
 547         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 548 }
 549 #else
 550 static inline void cm_x300_init_u2d(void) {}
 551 #endif
 552
 553 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 554 static int cm_x300_ohci_init(struct device *dev)
 555 {
 556         if (cpu_is_pxa300())
 557                 UP2OCR = UP2OCR_HXS
 558                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 559
 560         return 0;
 561 }
 562
 563 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 564         .port_mode      = PMM_PERPORT_MODE,
 565         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 566         .init           = cm_x300_ohci_init,
 567 };
 568
 569 static void __init cm_x300_init_ohci(void)
 570 {
 571         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 572 }
 573 #else
 574 static inline void cm_x300_init_ohci(void) {}
 575 #endif
 576
 577 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 578 static struct gpio_led cm_x300_leds[] = {
 579         [0] = {
 580                 .name = "cm-x300:green",
 581                 .default_trigger = "heartbeat",
 582                 .active_low = 1,
 583         },
 584 };
 585
 586 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 587         .num_leds = ARRAY_SIZE(cm_x300_leds),
 588         .leds = cm_x300_leds,
 589 };
 590
 591 static struct platform_device cm_x300_led_device = {
 592         .name           = "leds-gpio",
 593         .id             = -1,
 594         .dev            = {
 595                 .platform_data = &cm_x300_gpio_led_pdata,
 596         },
 597 };
 598
 599 static void __init cm_x300_init_leds(void)
 600 {
 601         if (system_rev < 130)
 602                 cm_x300_leds[0].gpio = 79;
 603         else
 604                 cm_x300_leds[0].gpio = 76;
 605
 606         platform_device_register(&cm_x300_led_device);
 607 }
 608 #else
 609 static inline void cm_x300_init_leds(void) {}
 610 #endif
 611
 612 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 613 /* PCA9555 */
 614 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 615         .gpio_base = 128,
 616 };
 617
 618 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 619         .gpio_base = 144,
 620 };
 621
 622 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 623         [0] = {
 624                 I2C_BOARD_INFO("pca9555", 0x24),
 625                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 626         },
 627         [1] = {
 628                 I2C_BOARD_INFO("pca9555", 0x25),
 629                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 630         },
 631 };
 632
 633 static void __init cm_x300_init_i2c(void)
 634 {
 635         pxa_set_i2c_info(NULL);
 636         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 637                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 638 }
 639 #else
 640 static inline void cm_x300_init_i2c(void) {}
 641 #endif
 642
 643 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 644 struct v3020_platform_data cm_x300_v3020_pdata = {
 645         .use_gpio       = 1,
 646         .gpio_cs        = GPIO95_RTC_CS,
 647         .gpio_wr        = GPIO96_RTC_WR,
 648         .gpio_rd        = GPIO97_RTC_RD,
 649         .gpio_io        = GPIO98_RTC_IO,
 650 };
 651
 652 static struct platform_device cm_x300_rtc_device = {
 653         .name           = "v3020",
 654         .id             = -1,
 655         .dev            = {
 656                 .platform_data = &cm_x300_v3020_pdata,
 657         }
 658 };
 659
 660 static void __init cm_x300_init_rtc(void)
 661 {
 662         platform_device_register(&cm_x300_rtc_device);
 663 }
 664 #else
 665 static inline void cm_x300_init_rtc(void) {}
 666 #endif
 667
 668 /* Battery */
 669 struct power_supply_info cm_x300_psy_info = {
 670         .name = "battery",
 671         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 672         .voltage_max_design = 4200000,
 673         .voltage_min_design = 3000000,
 674         .use_for_apm = 1,
 675 };
 676
 677 static void cm_x300_battery_low(void)
 678 {
 679 #if defined(CONFIG_APM_EMULATION)
 680         apm_queue_event(APM_LOW_BATTERY);
 681 #endif
 682 }
 683
 684 static void cm_x300_battery_critical(void)
 685 {
 686 #if defined(CONFIG_APM_EMULATION)
 687         apm_queue_event(APM_CRITICAL_SUSPEND);
 688 #endif
 689 }
 690
 691 struct da9030_battery_info cm_x300_battery_info = {
 692         .battery_info = &cm_x300_psy_info,
 693
 694         .charge_milliamp = 1000,
 695         .charge_millivolt = 4200,
 696
 697         .vbat_low = 3600,
 698         .vbat_crit = 3400,
 699         .vbat_charge_start = 4100,
 700         .vbat_charge_stop = 4200,
 701         .vbat_charge_restart = 4000,
 702
 703         .vcharge_min = 3200,
 704         .vcharge_max = 5500,
 705
 706         .tbat_low = 197,
 707         .tbat_high = 78,
 708         .tbat_restart = 100,
 709
 710         .batmon_interval = 0,
 711
 712         .battery_low = cm_x300_battery_low,
 713         .battery_critical = cm_x300_battery_critical,
 714 };
 715
 716 static struct regulator_consumer_supply buck2_consumers[] = {
 717         REGULATOR_SUPPLY("vcc_core", NULL),
 718 };
 719
 720 static struct regulator_init_data buck2_data = {
 721         .constraints = {
 722                 .min_uV = 1375000,
 723                 .max_uV = 1375000,
 724                 .state_mem = {
 725                         .enabled = 0,
 726                 },
 727                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 728                 .apply_uV = 1,
 729         },
 730         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
 731         .consumer_supplies = buck2_consumers,
 732 };
 733
 734 /* DA9030 */
 735 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 736         {
 737                 .name = "da903x-battery",
 738                 .id = DA9030_ID_BAT,
 739                 .platform_data = &cm_x300_battery_info,
 740         },
 741         {
 742                 .name = "da903x-regulator",
 743                 .id = DA9030_ID_BUCK2,
 744                 .platform_data = &buck2_data,
 745         },
 746 };
 747
 748 static struct da903x_platform_data cm_x300_da9030_info = {
 749         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
 750         .subdevs = cm_x300_da9030_subdevs,
 751 };
 752
 753 static struct i2c_board_info cm_x300_pmic_info = {
 754         I2C_BOARD_INFO("da9030", 0x49),
 755         .irq = IRQ_WAKEUP0,
 756         .platform_data = &cm_x300_da9030_info,
 757 };
 758
 759 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 760         .use_pio = 1,
 761 };
 762
 763 static void __init cm_x300_init_da9030(void)
 764 {
 765         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
 766         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
 767         irq_set_irq_wake(IRQ_WAKEUP0, 1);
 768 }
 769
 770 /* wi2wi gpio setting for system_rev >= 130 */
 771 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
 772         { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
 773         { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
 774 };
 775
 776 static void __init cm_x300_init_wi2wi(void)
 777 {
 778         int err;
 779
 780         if (system_rev < 130) {
 781                 cm_x300_wi2wi_gpios[0].gpio = 77;       /* wlan en */
 782                 cm_x300_wi2wi_gpios[1].gpio = 78;       /* bt reset */
 783         }
 784
 785         /* Libertas and CSR reset */
 786         err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 787         if (err) {
 788                 pr_err("failed to request wifi/bt gpios: %d\n", err);
 789                 return;
 790         }
 791
 792         udelay(10);
 793         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
 794         udelay(10);
 795         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
 796
 797         gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 798 }
 799
 800 /* MFP */
 801 static void __init cm_x300_init_mfp(void)
 802 {
 803         /* board-processor specific GPIO initialization */
 804         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 805
 806         if (system_rev < 130)
 807                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 808         else
 809                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 810
 811         if (cpu_is_pxa310())
 812                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 813 }
 814
 815 static void __init cm_x300_init(void)
 816 {
 817         cm_x300_init_mfp();
 818
 819         pxa_set_btuart_info(NULL);
 820         pxa_set_stuart_info(NULL);
 821         if (cpu_is_pxa300())
 822                 pxa_set_ffuart_info(NULL);
 823
 824         cm_x300_init_da9030();
 825         cm_x300_init_dm9000();
 826         cm_x300_init_lcd();
 827         cm_x300_init_u2d();
 828         cm_x300_init_ohci();
 829         cm_x300_init_mmc();
 830         cm_x300_init_nand();
 831         cm_x300_init_leds();
 832         cm_x300_init_i2c();
 833         cm_x300_init_spi();
 834         cm_x300_init_rtc();
 835         cm_x300_init_ac97();
 836         cm_x300_init_wi2wi();
 837         cm_x300_init_bl();
 838
 839         regulator_has_full_constraints();
 840 }
 841
 842 static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
 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         .nr_irqs        = PXA_NR_IRQS,
 857         .init_irq       = pxa3xx_init_irq,
 858         .handle_irq     = pxa3xx_handle_irq,
 859         .init_time      = pxa_timer_init,
 860         .init_machine   = cm_x300_init,
 861         .fixup          = cm_x300_fixup,
 862         .restart        = pxa_restart,
 863 MACHINE_END