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 #include <linux/clk.h>
  23
  24 #include <linux/gpio.h>
  25 #include <linux/dm9000.h>
  26 #include <linux/leds.h>
  27 #include <linux/rtc-v3020.h>
  28 #include <linux/pwm_backlight.h>
  29
  30 #include <linux/i2c.h>
  31 #include <linux/i2c/pca953x.h>
  32 #include <linux/i2c/pxa-i2c.h>
  33
  34 #include <linux/mfd/da903x.h>
  35 #include <linux/regulator/machine.h>
  36 #include <linux/power_supply.h>
  37 #include <linux/apm-emulation.h>
  38
  39 #include <linux/spi/spi.h>
  40 #include <linux/spi/spi_gpio.h>
  41 #include <linux/spi/tdo24m.h>
  42
  43 #include <asm/mach-types.h>
  44 #include <asm/mach/arch.h>
  45 #include <asm/setup.h>
  46
  47 #include <mach/pxa300.h>
  48 #include <mach/pxa27x-udc.h>
  49 #include <mach/pxafb.h>
  50 #include <mach/mmc.h>
  51 #include <mach/ohci.h>
  52 #include <plat/pxa3xx_nand.h>
  53 #include <mach/audio.h>
  54 #include <mach/pxa3xx-u2d.h>
  55
  56 #include <asm/mach/map.h>
  57
  58 #include "generic.h"
  59 #include "devices.h"
  60
  61 #define CM_X300_ETH_PHYS        0x08000010
  62
  63 #define GPIO82_MMC_IRQ          (82)
  64 #define GPIO85_MMC_WP           (85)
  65
  66 #define CM_X300_MMC_IRQ         IRQ_GPIO(GPIO82_MMC_IRQ)
  67
  68 #define GPIO95_RTC_CS           (95)
  69 #define GPIO96_RTC_WR           (96)
  70 #define GPIO97_RTC_RD           (97)
  71 #define GPIO98_RTC_IO           (98)
  72
  73 #define GPIO_ULPI_PHY_RST       (127)
  74
  75 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
  76         /* LCD */
  77         GPIO54_LCD_LDD_0,
  78         GPIO55_LCD_LDD_1,
  79         GPIO56_LCD_LDD_2,
  80         GPIO57_LCD_LDD_3,
  81         GPIO58_LCD_LDD_4,
  82         GPIO59_LCD_LDD_5,
  83         GPIO60_LCD_LDD_6,
  84         GPIO61_LCD_LDD_7,
  85         GPIO62_LCD_LDD_8,
  86         GPIO63_LCD_LDD_9,
  87         GPIO64_LCD_LDD_10,
  88         GPIO65_LCD_LDD_11,
  89         GPIO66_LCD_LDD_12,
  90         GPIO67_LCD_LDD_13,
  91         GPIO68_LCD_LDD_14,
  92         GPIO69_LCD_LDD_15,
  93         GPIO72_LCD_FCLK,
  94         GPIO73_LCD_LCLK,
  95         GPIO74_LCD_PCLK,
  96         GPIO75_LCD_BIAS,
  97
  98         /* BTUART */
  99         GPIO111_UART2_RTS,
 100         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
 101         GPIO113_UART2_TXD,
 102         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
 103
 104         /* STUART */
 105         GPIO109_UART3_TXD,
 106         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
 107
 108         /* AC97 */
 109         GPIO23_AC97_nACRESET,
 110         GPIO24_AC97_SYSCLK,
 111         GPIO29_AC97_BITCLK,
 112         GPIO25_AC97_SDATA_IN_0,
 113         GPIO27_AC97_SDATA_OUT,
 114         GPIO28_AC97_SYNC,
 115
 116         /* Keypad */
 117         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
 118         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
 119         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
 120         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
 121         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
 122         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
 123         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
 124         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
 125         GPIO121_KP_MKOUT_0,
 126         GPIO122_KP_MKOUT_1,
 127         GPIO123_KP_MKOUT_2,
 128         GPIO124_KP_MKOUT_3,
 129         GPIO125_KP_MKOUT_4,
 130         GPIO4_2_KP_MKOUT_5,
 131
 132         /* MMC1 */
 133         GPIO3_MMC1_DAT0,
 134         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
 135         GPIO5_MMC1_DAT2,
 136         GPIO6_MMC1_DAT3,
 137         GPIO7_MMC1_CLK,
 138         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
 139
 140         /* MMC2 */
 141         GPIO9_MMC2_DAT0,
 142         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
 143         GPIO11_MMC2_DAT2,
 144         GPIO12_MMC2_DAT3,
 145         GPIO13_MMC2_CLK,
 146         GPIO14_MMC2_CMD,
 147
 148         /* FFUART */
 149         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
 150         GPIO31_UART1_TXD,
 151         GPIO32_UART1_CTS,
 152         GPIO37_UART1_RTS,
 153         GPIO33_UART1_DCD,
 154         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
 155         GPIO35_UART1_RI,
 156         GPIO36_UART1_DTR,
 157
 158         /* GPIOs */
 159         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
 160         GPIO85_GPIO,                    /* MMC WP */
 161         GPIO99_GPIO,                    /* Ethernet IRQ */
 162
 163         /* RTC GPIOs */
 164         GPIO95_GPIO,                    /* RTC CS */
 165         GPIO96_GPIO,                    /* RTC WR */
 166         GPIO97_GPIO,                    /* RTC RD */
 167         GPIO98_GPIO,                    /* RTC IO */
 168
 169         /* Standard I2C */
 170         GPIO21_I2C_SCL,
 171         GPIO22_I2C_SDA,
 172
 173         /* PWM Backlight */
 174         GPIO19_PWM2_OUT,
 175 };
 176
 177 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
 178         /* GPIOs */
 179         GPIO79_GPIO,                    /* LED */
 180         GPIO77_GPIO,                    /* WiFi reset */
 181         GPIO78_GPIO,                    /* BT reset */
 182 };
 183
 184 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
 185         /* GPIOs */
 186         GPIO76_GPIO,                    /* LED */
 187         GPIO71_GPIO,                    /* WiFi reset */
 188         GPIO70_GPIO,                    /* BT reset */
 189 };
 190
 191 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
 192         /* USB PORT 2 */
 193         ULPI_STP,
 194         ULPI_NXT,
 195         ULPI_DIR,
 196         GPIO30_ULPI_DATA_OUT_0,
 197         GPIO31_ULPI_DATA_OUT_1,
 198         GPIO32_ULPI_DATA_OUT_2,
 199         GPIO33_ULPI_DATA_OUT_3,
 200         GPIO34_ULPI_DATA_OUT_4,
 201         GPIO35_ULPI_DATA_OUT_5,
 202         GPIO36_ULPI_DATA_OUT_6,
 203         GPIO37_ULPI_DATA_OUT_7,
 204         GPIO38_ULPI_CLK,
 205         /* external PHY reset pin */
 206         GPIO127_GPIO,
 207
 208         /* USB PORT 3 */
 209         GPIO77_USB_P3_1,
 210         GPIO78_USB_P3_2,
 211         GPIO79_USB_P3_3,
 212         GPIO80_USB_P3_4,
 213         GPIO81_USB_P3_5,
 214         GPIO82_USB_P3_6,
 215         GPIO0_2_USBH_PEN,
 216 };
 217
 218 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 219 static struct resource dm9000_resources[] = {
 220         [0] = {
 221                 .start  = CM_X300_ETH_PHYS,
 222                 .end    = CM_X300_ETH_PHYS + 0x3,
 223                 .flags  = IORESOURCE_MEM,
 224         },
 225         [1] = {
 226                 .start  = CM_X300_ETH_PHYS + 0x4,
 227                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
 228                 .flags  = IORESOURCE_MEM,
 229         },
 230         [2] = {
 231                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 232                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 233                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 234         }
 235 };
 236
 237 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 238         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 239 };
 240
 241 static struct platform_device dm9000_device = {
 242         .name           = "dm9000",
 243         .id             = 0,
 244         .num_resources  = ARRAY_SIZE(dm9000_resources),
 245         .resource       = dm9000_resources,
 246         .dev            = {
 247                 .platform_data = &cm_x300_dm9000_platdata,
 248         }
 249
 250 };
 251
 252 static void __init cm_x300_init_dm9000(void)
 253 {
 254         platform_device_register(&dm9000_device);
 255 }
 256 #else
 257 static inline void cm_x300_init_dm9000(void) {}
 258 #endif
 259
 260 /* LCD */
 261 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 262 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
 263         [0] = {
 264                 .pixclock       = 38250,
 265                 .bpp            = 16,
 266                 .xres           = 480,
 267                 .yres           = 640,
 268                 .hsync_len      = 8,
 269                 .vsync_len      = 2,
 270                 .left_margin    = 8,
 271                 .upper_margin   = 2,
 272                 .right_margin   = 24,
 273                 .lower_margin   = 4,
 274                 .cmap_greyscale = 0,
 275         },
 276         [1] = {
 277                 .pixclock       = 153800,
 278                 .bpp            = 16,
 279                 .xres           = 240,
 280                 .yres           = 320,
 281                 .hsync_len      = 8,
 282                 .vsync_len      = 2,
 283                 .left_margin    = 8,
 284                 .upper_margin   = 2,
 285                 .right_margin   = 88,
 286                 .lower_margin   = 2,
 287                 .cmap_greyscale = 0,
 288         },
 289 };
 290
 291 static struct pxafb_mach_info cm_x300_lcd = {
 292         .modes                  = cm_x300_lcd_modes,
 293         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
 294         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 295 };
 296
 297 static void __init cm_x300_init_lcd(void)
 298 {
 299         set_pxa_fb_info(&cm_x300_lcd);
 300 }
 301 #else
 302 static inline void cm_x300_init_lcd(void) {}
 303 #endif
 304
 305 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 306 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 307         .pwm_id         = 2,
 308         .max_brightness = 100,
 309         .dft_brightness = 100,
 310         .pwm_period_ns  = 10000,
 311 };
 312
 313 static struct platform_device cm_x300_backlight_device = {
 314         .name           = "pwm-backlight",
 315         .dev            = {
 316                 .parent = &pxa27x_device_pwm0.dev,
 317                 .platform_data  = &cm_x300_backlight_data,
 318         },
 319 };
 320
 321 static void cm_x300_init_bl(void)
 322 {
 323         platform_device_register(&cm_x300_backlight_device);
 324 }
 325 #else
 326 static inline void cm_x300_init_bl(void) {}
 327 #endif
 328
 329 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 330 #define GPIO_LCD_BASE   (144)
 331 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 332 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 333 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 334 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 335 #define LCD_SPI_BUS_NUM (1)
 336
 337 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 338         .sck            = GPIO_LCD_SCL,
 339         .mosi           = GPIO_LCD_DIN,
 340         .miso           = GPIO_LCD_DOUT,
 341         .num_chipselect = 1,
 342 };
 343
 344 static struct platform_device cm_x300_spi_gpio = {
 345         .name           = "spi_gpio",
 346         .id             = LCD_SPI_BUS_NUM,
 347         .dev            = {
 348                 .platform_data  = &cm_x300_spi_gpio_pdata,
 349         },
 350 };
 351
 352 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 353         .model = TDO35S,
 354 };
 355
 356 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 357         {
 358                 .modalias               = "tdo24m",
 359                 .max_speed_hz           = 1000000,
 360                 .bus_num                = LCD_SPI_BUS_NUM,
 361                 .chip_select            = 0,
 362                 .controller_data        = (void *) GPIO_LCD_CS,
 363                 .platform_data          = &cm_x300_tdo24m_pdata,
 364         },
 365 };
 366
 367 static void __init cm_x300_init_spi(void)
 368 {
 369         spi_register_board_info(cm_x300_spi_devices,
 370                                 ARRAY_SIZE(cm_x300_spi_devices));
 371         platform_device_register(&cm_x300_spi_gpio);
 372 }
 373 #else
 374 static inline void cm_x300_init_spi(void) {}
 375 #endif
 376
 377 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 378 static void __init cm_x300_init_ac97(void)
 379 {
 380         pxa_set_ac97_info(NULL);
 381 }
 382 #else
 383 static inline void cm_x300_init_ac97(void) {}
 384 #endif
 385
 386 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 387 static struct mtd_partition cm_x300_nand_partitions[] = {
 388         [0] = {
 389                 .name        = "OBM",
 390                 .offset      = 0,
 391                 .size        = SZ_256K,
 392                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 393         },
 394         [1] = {
 395                 .name        = "U-Boot",
 396                 .offset      = MTDPART_OFS_APPEND,
 397                 .size        = SZ_256K,
 398                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 399         },
 400         [2] = {
 401                 .name        = "Environment",
 402                 .offset      = MTDPART_OFS_APPEND,
 403                 .size        = SZ_256K,
 404         },
 405         [3] = {
 406                 .name        = "reserved",
 407                 .offset      = MTDPART_OFS_APPEND,
 408                 .size        = SZ_256K + SZ_1M,
 409                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 410         },
 411         [4] = {
 412                 .name        = "kernel",
 413                 .offset      = MTDPART_OFS_APPEND,
 414                 .size        = SZ_4M,
 415         },
 416         [5] = {
 417                 .name        = "fs",
 418                 .offset      = MTDPART_OFS_APPEND,
 419                 .size        = MTDPART_SIZ_FULL,
 420         },
 421 };
 422
 423 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 424         .enable_arbiter = 1,
 425         .keep_config    = 1,
 426         .parts          = cm_x300_nand_partitions,
 427         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
 428 };
 429
 430 static void __init cm_x300_init_nand(void)
 431 {
 432         pxa3xx_set_nand_info(&cm_x300_nand_info);
 433 }
 434 #else
 435 static inline void cm_x300_init_nand(void) {}
 436 #endif
 437
 438 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 439 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 440         .detect_delay_ms        = 200,
 441         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 442         .gpio_card_detect       = GPIO82_MMC_IRQ,
 443         .gpio_card_ro           = GPIO85_MMC_WP,
 444         .gpio_power             = -1,
 445 };
 446
 447 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 448    no detection/ro pins */
 449 static int cm_x300_mci2_init(struct device *dev,
 450                              irq_handler_t cm_x300_detect_int,
 451         void *data)
 452 {
 453         return 0;
 454 }
 455
 456 static void cm_x300_mci2_exit(struct device *dev, void *data)
 457 {
 458 }
 459
 460 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 461         .detect_delay_ms        = 200,
 462         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 463         .init                   = cm_x300_mci2_init,
 464         .exit                   = cm_x300_mci2_exit,
 465         .gpio_card_detect       = -1,
 466         .gpio_card_ro           = -1,
 467         .gpio_power             = -1,
 468 };
 469
 470 static void __init cm_x300_init_mmc(void)
 471 {
 472         pxa_set_mci_info(&cm_x300_mci_platform_data);
 473         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 474 }
 475 #else
 476 static inline void cm_x300_init_mmc(void) {}
 477 #endif
 478
 479 #if defined(CONFIG_PXA310_ULPI)
 480 static struct clk *pout_clk;
 481
 482 static int cm_x300_ulpi_phy_reset(void)
 483 {
 484         int err;
 485
 486         /* reset the PHY */
 487         err = gpio_request(GPIO_ULPI_PHY_RST, "ulpi reset");
 488         if (err) {
 489                 pr_err("%s: failed to request ULPI reset GPIO: %d\n",
 490                        __func__, err);
 491                 return err;
 492         }
 493
 494         gpio_direction_output(GPIO_ULPI_PHY_RST, 0);
 495         msleep(10);
 496         gpio_set_value(GPIO_ULPI_PHY_RST, 1);
 497         msleep(10);
 498
 499         gpio_free(GPIO_ULPI_PHY_RST);
 500
 501         return 0;
 502 }
 503
 504 static inline int cm_x300_u2d_init(struct device *dev)
 505 {
 506         int err = 0;
 507
 508         if (cpu_is_pxa310()) {
 509                 /* CLK_POUT is connected to the ULPI PHY */
 510                 pout_clk = clk_get(NULL, "CLK_POUT");
 511                 if (IS_ERR(pout_clk)) {
 512                         err = PTR_ERR(pout_clk);
 513                         pr_err("%s: failed to get CLK_POUT: %d\n",
 514                                __func__, err);
 515                         return err;
 516                 }
 517                 clk_enable(pout_clk);
 518
 519                 err = cm_x300_ulpi_phy_reset();
 520                 if (err) {
 521                         clk_disable(pout_clk);
 522                         clk_put(pout_clk);
 523                 }
 524         }
 525
 526         return err;
 527 }
 528
 529 static void cm_x300_u2d_exit(struct device *dev)
 530 {
 531         if (cpu_is_pxa310()) {
 532                 clk_disable(pout_clk);
 533                 clk_put(pout_clk);
 534         }
 535 }
 536
 537 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
 538         .ulpi_mode      = ULPI_SER_6PIN,
 539         .init           = cm_x300_u2d_init,
 540         .exit           = cm_x300_u2d_exit,
 541 };
 542
 543 static void cm_x300_init_u2d(void)
 544 {
 545         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 546 }
 547 #else
 548 static inline void cm_x300_init_u2d(void) {}
 549 #endif
 550
 551 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 552 static int cm_x300_ohci_init(struct device *dev)
 553 {
 554         if (cpu_is_pxa300())
 555                 UP2OCR = UP2OCR_HXS
 556                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 557
 558         return 0;
 559 }
 560
 561 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 562         .port_mode      = PMM_PERPORT_MODE,
 563         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 564         .init           = cm_x300_ohci_init,
 565 };
 566
 567 static void __init cm_x300_init_ohci(void)
 568 {
 569         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 570 }
 571 #else
 572 static inline void cm_x300_init_ohci(void) {}
 573 #endif
 574
 575 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 576 static struct gpio_led cm_x300_leds[] = {
 577         [0] = {
 578                 .name = "cm-x300:green",
 579                 .default_trigger = "heartbeat",
 580                 .active_low = 1,
 581         },
 582 };
 583
 584 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 585         .num_leds = ARRAY_SIZE(cm_x300_leds),
 586         .leds = cm_x300_leds,
 587 };
 588
 589 static struct platform_device cm_x300_led_device = {
 590         .name           = "leds-gpio",
 591         .id             = -1,
 592         .dev            = {
 593                 .platform_data = &cm_x300_gpio_led_pdata,
 594         },
 595 };
 596
 597 static void __init cm_x300_init_leds(void)
 598 {
 599         if (system_rev < 130)
 600                 cm_x300_leds[0].gpio = 79;
 601         else
 602                 cm_x300_leds[0].gpio = 76;
 603
 604         platform_device_register(&cm_x300_led_device);
 605 }
 606 #else
 607 static inline void cm_x300_init_leds(void) {}
 608 #endif
 609
 610 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 611 /* PCA9555 */
 612 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 613         .gpio_base = 128,
 614 };
 615
 616 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 617         .gpio_base = 144,
 618 };
 619
 620 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 621         [0] = {
 622                 I2C_BOARD_INFO("pca9555", 0x24),
 623                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 624         },
 625         [1] = {
 626                 I2C_BOARD_INFO("pca9555", 0x25),
 627                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 628         },
 629 };
 630
 631 static void __init cm_x300_init_i2c(void)
 632 {
 633         pxa_set_i2c_info(NULL);
 634         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 635                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 636 }
 637 #else
 638 static inline void cm_x300_init_i2c(void) {}
 639 #endif
 640
 641 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 642 struct v3020_platform_data cm_x300_v3020_pdata = {
 643         .use_gpio       = 1,
 644         .gpio_cs        = GPIO95_RTC_CS,
 645         .gpio_wr        = GPIO96_RTC_WR,
 646         .gpio_rd        = GPIO97_RTC_RD,
 647         .gpio_io        = GPIO98_RTC_IO,
 648 };
 649
 650 static struct platform_device cm_x300_rtc_device = {
 651         .name           = "v3020",
 652         .id             = -1,
 653         .dev            = {
 654                 .platform_data = &cm_x300_v3020_pdata,
 655         }
 656 };
 657
 658 static void __init cm_x300_init_rtc(void)
 659 {
 660         platform_device_register(&cm_x300_rtc_device);
 661 }
 662 #else
 663 static inline void cm_x300_init_rtc(void) {}
 664 #endif
 665
 666 /* Battery */
 667 struct power_supply_info cm_x300_psy_info = {
 668         .name = "battery",
 669         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 670         .voltage_max_design = 4200000,
 671         .voltage_min_design = 3000000,
 672         .use_for_apm = 1,
 673 };
 674
 675 static void cm_x300_battery_low(void)
 676 {
 677 #if defined(CONFIG_APM_EMULATION)
 678         apm_queue_event(APM_LOW_BATTERY);
 679 #endif
 680 }
 681
 682 static void cm_x300_battery_critical(void)
 683 {
 684 #if defined(CONFIG_APM_EMULATION)
 685         apm_queue_event(APM_CRITICAL_SUSPEND);
 686 #endif
 687 }
 688
 689 struct da9030_battery_info cm_x300_battery_info = {
 690         .battery_info = &cm_x300_psy_info,
 691
 692         .charge_milliamp = 1000,
 693         .charge_millivolt = 4200,
 694
 695         .vbat_low = 3600,
 696         .vbat_crit = 3400,
 697         .vbat_charge_start = 4100,
 698         .vbat_charge_stop = 4200,
 699         .vbat_charge_restart = 4000,
 700
 701         .vcharge_min = 3200,
 702         .vcharge_max = 5500,
 703
 704         .tbat_low = 197,
 705         .tbat_high = 78,
 706         .tbat_restart = 100,
 707
 708         .batmon_interval = 0,
 709
 710         .battery_low = cm_x300_battery_low,
 711         .battery_critical = cm_x300_battery_critical,
 712 };
 713
 714 static struct regulator_consumer_supply buck2_consumers[] = {
 715         {
 716                 .dev = NULL,
 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 static void __init cm_x300_init_wi2wi(void)
 772 {
 773         int bt_reset, wlan_en;
 774         int err;
 775
 776         if (system_rev < 130) {
 777                 wlan_en = 77;
 778                 bt_reset = 78;
 779         } else {
 780                 wlan_en = 71;
 781                 bt_reset = 70;
 782         }
 783
 784         /* Libertas and CSR reset */
 785         err = gpio_request(wlan_en, "wlan en");
 786         if (err) {
 787                 pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
 788         } else {
 789                 gpio_direction_output(wlan_en, 1);
 790                 gpio_free(wlan_en);
 791         }
 792
 793         err = gpio_request(bt_reset, "bt reset");
 794         if (err) {
 795                 pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
 796         } else {
 797                 gpio_direction_output(bt_reset, 1);
 798                 udelay(10);
 799                 gpio_set_value(bt_reset, 0);
 800                 udelay(10);
 801                 gpio_set_value(bt_reset, 1);
 802                 gpio_free(bt_reset);
 803         }
 804 }
 805
 806 /* MFP */
 807 static void __init cm_x300_init_mfp(void)
 808 {
 809         /* board-processor specific GPIO initialization */
 810         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 811
 812         if (system_rev < 130)
 813                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 814         else
 815                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 816
 817         if (cpu_is_pxa310())
 818                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 819 }
 820
 821 static void __init cm_x300_init(void)
 822 {
 823         cm_x300_init_mfp();
 824
 825         pxa_set_btuart_info(NULL);
 826         pxa_set_stuart_info(NULL);
 827         if (cpu_is_pxa300())
 828                 pxa_set_ffuart_info(NULL);
 829
 830         cm_x300_init_da9030();
 831         cm_x300_init_dm9000();
 832         cm_x300_init_lcd();
 833         cm_x300_init_u2d();
 834         cm_x300_init_ohci();
 835         cm_x300_init_mmc();
 836         cm_x300_init_nand();
 837         cm_x300_init_leds();
 838         cm_x300_init_i2c();
 839         cm_x300_init_spi();
 840         cm_x300_init_rtc();
 841         cm_x300_init_ac97();
 842         cm_x300_init_wi2wi();
 843         cm_x300_init_bl();
 844 }
 845
 846 static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
 847                                  char **cmdline, struct meminfo *mi)
 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         .boot_params    = 0xa0000100,
 860         .map_io         = pxa3xx_map_io,
 861         .init_irq       = pxa3xx_init_irq,
 862         .timer          = &pxa_timer,
 863         .init_machine   = cm_x300_init,
 864         .fixup          = cm_x300_fixup,
 865 MACHINE_END