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/gpio/machine.h>
  27 #include <linux/dm9000.h>
  28 #include <linux/leds.h>
  29 #include <linux/platform_data/rtc-v3020.h>
  30 #include <linux/pwm.h>
  31 #include <linux/pwm_backlight.h>
  32
  33 #include <linux/i2c.h>
  34 #include <linux/platform_data/pca953x.h>
  35 #include <linux/platform_data/i2c-pxa.h>
  36
  37 #include <linux/mfd/da903x.h>
  38 #include <linux/regulator/machine.h>
  39 #include <linux/power_supply.h>
  40 #include <linux/apm-emulation.h>
  41
  42 #include <linux/spi/spi.h>
  43 #include <linux/spi/spi_gpio.h>
  44 #include <linux/spi/tdo24m.h>
  45
  46 #include <asm/mach-types.h>
  47 #include <asm/mach/arch.h>
  48 #include <asm/setup.h>
  49 #include <asm/system_info.h>
  50
  51 #include "pxa300.h"
  52 #include "pxa27x-udc.h"
  53 #include <linux/platform_data/video-pxafb.h>
  54 #include <linux/platform_data/mmc-pxamci.h>
  55 #include <linux/platform_data/usb-ohci-pxa27x.h>
  56 #include <linux/platform_data/mtd-nand-pxa3xx.h>
  57 #include <mach/audio.h>
  58 #include <linux/platform_data/usb-pxa3xx-ulpi.h>
  59
  60 #include <asm/mach/map.h>
  61
  62 #include "generic.h"
  63 #include "devices.h"
  64
  65 #define CM_X300_ETH_PHYS        0x08000010
  66
  67 #define GPIO82_MMC_IRQ          (82)
  68 #define GPIO85_MMC_WP           (85)
  69
  70 #define CM_X300_MMC_IRQ         PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ)
  71
  72 #define GPIO95_RTC_CS           (95)
  73 #define GPIO96_RTC_WR           (96)
  74 #define GPIO97_RTC_RD           (97)
  75 #define GPIO98_RTC_IO           (98)
  76
  77 #define GPIO_ULPI_PHY_RST       (127)
  78
  79 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
  80         /* LCD */
  81         GPIO54_LCD_LDD_0,
  82         GPIO55_LCD_LDD_1,
  83         GPIO56_LCD_LDD_2,
  84         GPIO57_LCD_LDD_3,
  85         GPIO58_LCD_LDD_4,
  86         GPIO59_LCD_LDD_5,
  87         GPIO60_LCD_LDD_6,
  88         GPIO61_LCD_LDD_7,
  89         GPIO62_LCD_LDD_8,
  90         GPIO63_LCD_LDD_9,
  91         GPIO64_LCD_LDD_10,
  92         GPIO65_LCD_LDD_11,
  93         GPIO66_LCD_LDD_12,
  94         GPIO67_LCD_LDD_13,
  95         GPIO68_LCD_LDD_14,
  96         GPIO69_LCD_LDD_15,
  97         GPIO72_LCD_FCLK,
  98         GPIO73_LCD_LCLK,
  99         GPIO74_LCD_PCLK,
 100         GPIO75_LCD_BIAS,
 101
 102         /* BTUART */
 103         GPIO111_UART2_RTS,
 104         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
 105         GPIO113_UART2_TXD,
 106         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
 107
 108         /* STUART */
 109         GPIO109_UART3_TXD,
 110         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
 111
 112         /* AC97 */
 113         GPIO23_AC97_nACRESET,
 114         GPIO24_AC97_SYSCLK,
 115         GPIO29_AC97_BITCLK,
 116         GPIO25_AC97_SDATA_IN_0,
 117         GPIO27_AC97_SDATA_OUT,
 118         GPIO28_AC97_SYNC,
 119
 120         /* Keypad */
 121         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
 122         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
 123         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
 124         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
 125         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
 126         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
 127         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
 128         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
 129         GPIO121_KP_MKOUT_0,
 130         GPIO122_KP_MKOUT_1,
 131         GPIO123_KP_MKOUT_2,
 132         GPIO124_KP_MKOUT_3,
 133         GPIO125_KP_MKOUT_4,
 134         GPIO4_2_KP_MKOUT_5,
 135
 136         /* MMC1 */
 137         GPIO3_MMC1_DAT0,
 138         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
 139         GPIO5_MMC1_DAT2,
 140         GPIO6_MMC1_DAT3,
 141         GPIO7_MMC1_CLK,
 142         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
 143
 144         /* MMC2 */
 145         GPIO9_MMC2_DAT0,
 146         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
 147         GPIO11_MMC2_DAT2,
 148         GPIO12_MMC2_DAT3,
 149         GPIO13_MMC2_CLK,
 150         GPIO14_MMC2_CMD,
 151
 152         /* FFUART */
 153         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
 154         GPIO31_UART1_TXD,
 155         GPIO32_UART1_CTS,
 156         GPIO37_UART1_RTS,
 157         GPIO33_UART1_DCD,
 158         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
 159         GPIO35_UART1_RI,
 160         GPIO36_UART1_DTR,
 161
 162         /* GPIOs */
 163         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
 164         GPIO85_GPIO,                    /* MMC WP */
 165         GPIO99_GPIO,                    /* Ethernet IRQ */
 166
 167         /* RTC GPIOs */
 168         GPIO95_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC CS */
 169         GPIO96_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC WR */
 170         GPIO97_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC RD */
 171         GPIO98_GPIO,                            /* RTC IO */
 172
 173         /* Standard I2C */
 174         GPIO21_I2C_SCL,
 175         GPIO22_I2C_SDA,
 176
 177         /* PWM Backlight */
 178         GPIO19_PWM2_OUT,
 179 };
 180
 181 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
 182         /* GPIOs */
 183         GPIO79_GPIO,                    /* LED */
 184         GPIO77_GPIO,                    /* WiFi reset */
 185         GPIO78_GPIO,                    /* BT reset */
 186 };
 187
 188 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
 189         /* GPIOs */
 190         GPIO76_GPIO,                    /* LED */
 191         GPIO71_GPIO,                    /* WiFi reset */
 192         GPIO70_GPIO,                    /* BT reset */
 193 };
 194
 195 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
 196         /* USB PORT 2 */
 197         ULPI_STP,
 198         ULPI_NXT,
 199         ULPI_DIR,
 200         GPIO30_ULPI_DATA_OUT_0,
 201         GPIO31_ULPI_DATA_OUT_1,
 202         GPIO32_ULPI_DATA_OUT_2,
 203         GPIO33_ULPI_DATA_OUT_3,
 204         GPIO34_ULPI_DATA_OUT_4,
 205         GPIO35_ULPI_DATA_OUT_5,
 206         GPIO36_ULPI_DATA_OUT_6,
 207         GPIO37_ULPI_DATA_OUT_7,
 208         GPIO38_ULPI_CLK,
 209         /* external PHY reset pin */
 210         GPIO127_GPIO,
 211
 212         /* USB PORT 3 */
 213         GPIO77_USB_P3_1,
 214         GPIO78_USB_P3_2,
 215         GPIO79_USB_P3_3,
 216         GPIO80_USB_P3_4,
 217         GPIO81_USB_P3_5,
 218         GPIO82_USB_P3_6,
 219         GPIO0_2_USBH_PEN,
 220 };
 221
 222 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 223 static struct resource dm9000_resources[] = {
 224         [0] = {
 225                 .start  = CM_X300_ETH_PHYS,
 226                 .end    = CM_X300_ETH_PHYS + 0x3,
 227                 .flags  = IORESOURCE_MEM,
 228         },
 229         [1] = {
 230                 .start  = CM_X300_ETH_PHYS + 0x4,
 231                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
 232                 .flags  = IORESOURCE_MEM,
 233         },
 234         [2] = {
 235                 .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
 236                 .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
 237                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 238         }
 239 };
 240
 241 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 242         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 243 };
 244
 245 static struct platform_device dm9000_device = {
 246         .name           = "dm9000",
 247         .id             = 0,
 248         .num_resources  = ARRAY_SIZE(dm9000_resources),
 249         .resource       = dm9000_resources,
 250         .dev            = {
 251                 .platform_data = &cm_x300_dm9000_platdata,
 252         }
 253
 254 };
 255
 256 static void __init cm_x300_init_dm9000(void)
 257 {
 258         platform_device_register(&dm9000_device);
 259 }
 260 #else
 261 static inline void cm_x300_init_dm9000(void) {}
 262 #endif
 263
 264 /* LCD */
 265 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 266 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
 267         [0] = {
 268                 .pixclock       = 38250,
 269                 .bpp            = 16,
 270                 .xres           = 480,
 271                 .yres           = 640,
 272                 .hsync_len      = 8,
 273                 .vsync_len      = 2,
 274                 .left_margin    = 8,
 275                 .upper_margin   = 2,
 276                 .right_margin   = 24,
 277                 .lower_margin   = 4,
 278                 .cmap_greyscale = 0,
 279         },
 280         [1] = {
 281                 .pixclock       = 153800,
 282                 .bpp            = 16,
 283                 .xres           = 240,
 284                 .yres           = 320,
 285                 .hsync_len      = 8,
 286                 .vsync_len      = 2,
 287                 .left_margin    = 8,
 288                 .upper_margin   = 2,
 289                 .right_margin   = 88,
 290                 .lower_margin   = 2,
 291                 .cmap_greyscale = 0,
 292         },
 293 };
 294
 295 static struct pxafb_mach_info cm_x300_lcd = {
 296         .modes                  = cm_x300_lcd_modes,
 297         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
 298         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 299 };
 300
 301 static void __init cm_x300_init_lcd(void)
 302 {
 303         pxa_set_fb_info(NULL, &cm_x300_lcd);
 304 }
 305 #else
 306 static inline void cm_x300_init_lcd(void) {}
 307 #endif
 308
 309 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 310 static struct pwm_lookup cm_x300_pwm_lookup[] = {
 311         PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 10000,
 312                    PWM_POLARITY_NORMAL),
 313 };
 314
 315 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 316         .max_brightness = 100,
 317         .dft_brightness = 100,
 318         .enable_gpio    = -1,
 319 };
 320
 321 static struct platform_device cm_x300_backlight_device = {
 322         .name           = "pwm-backlight",
 323         .dev            = {
 324                 .parent = &pxa27x_device_pwm0.dev,
 325                 .platform_data  = &cm_x300_backlight_data,
 326         },
 327 };
 328
 329 static void cm_x300_init_bl(void)
 330 {
 331         pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
 332         platform_device_register(&cm_x300_backlight_device);
 333 }
 334 #else
 335 static inline void cm_x300_init_bl(void) {}
 336 #endif
 337
 338 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 339 #define GPIO_LCD_BASE   (144)
 340 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 341 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 342 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 343 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 344 #define LCD_SPI_BUS_NUM (1)
 345
 346 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 347         .num_chipselect = 1,
 348 };
 349
 350 static struct platform_device cm_x300_spi_gpio = {
 351         .name           = "spi_gpio",
 352         .id             = LCD_SPI_BUS_NUM,
 353         .dev            = {
 354                 .platform_data  = &cm_x300_spi_gpio_pdata,
 355         },
 356 };
 357
 358 static struct gpiod_lookup_table cm_x300_spi_gpiod_table = {
 359         .dev_id         = "spi_gpio",
 360         .table          = {
 361                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_SCL,
 362                             "sck", GPIO_ACTIVE_HIGH),
 363                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DIN,
 364                             "mosi", GPIO_ACTIVE_HIGH),
 365                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DOUT,
 366                             "miso", GPIO_ACTIVE_HIGH),
 367                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_CS,
 368                             "cs", GPIO_ACTIVE_HIGH),
 369                 { },
 370         },
 371 };
 372
 373 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 374         .model = TDO35S,
 375 };
 376
 377 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 378         {
 379                 .modalias               = "tdo24m",
 380                 .max_speed_hz           = 1000000,
 381                 .bus_num                = LCD_SPI_BUS_NUM,
 382                 .chip_select            = 0,
 383                 .platform_data          = &cm_x300_tdo24m_pdata,
 384         },
 385 };
 386
 387 static void __init cm_x300_init_spi(void)
 388 {
 389         spi_register_board_info(cm_x300_spi_devices,
 390                                 ARRAY_SIZE(cm_x300_spi_devices));
 391         gpiod_add_lookup_table(&cm_x300_spi_gpiod_table);
 392         platform_device_register(&cm_x300_spi_gpio);
 393 }
 394 #else
 395 static inline void cm_x300_init_spi(void) {}
 396 #endif
 397
 398 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 399 static void __init cm_x300_init_ac97(void)
 400 {
 401         pxa_set_ac97_info(NULL);
 402 }
 403 #else
 404 static inline void cm_x300_init_ac97(void) {}
 405 #endif
 406
 407 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
 408 static struct mtd_partition cm_x300_nand_partitions[] = {
 409         [0] = {
 410                 .name        = "OBM",
 411                 .offset      = 0,
 412                 .size        = SZ_256K,
 413                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 414         },
 415         [1] = {
 416                 .name        = "U-Boot",
 417                 .offset      = MTDPART_OFS_APPEND,
 418                 .size        = SZ_256K,
 419                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 420         },
 421         [2] = {
 422                 .name        = "Environment",
 423                 .offset      = MTDPART_OFS_APPEND,
 424                 .size        = SZ_256K,
 425         },
 426         [3] = {
 427                 .name        = "reserved",
 428                 .offset      = MTDPART_OFS_APPEND,
 429                 .size        = SZ_256K + SZ_1M,
 430                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 431         },
 432         [4] = {
 433                 .name        = "kernel",
 434                 .offset      = MTDPART_OFS_APPEND,
 435                 .size        = SZ_4M,
 436         },
 437         [5] = {
 438                 .name        = "fs",
 439                 .offset      = MTDPART_OFS_APPEND,
 440                 .size        = MTDPART_SIZ_FULL,
 441         },
 442 };
 443
 444 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 445         .keep_config    = 1,
 446         .parts          = cm_x300_nand_partitions,
 447         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
 448 };
 449
 450 static void __init cm_x300_init_nand(void)
 451 {
 452         pxa3xx_set_nand_info(&cm_x300_nand_info);
 453 }
 454 #else
 455 static inline void cm_x300_init_nand(void) {}
 456 #endif
 457
 458 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 459 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 460         .detect_delay_ms        = 200,
 461         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 462         .gpio_card_detect       = GPIO82_MMC_IRQ,
 463         .gpio_card_ro           = GPIO85_MMC_WP,
 464         .gpio_power             = -1,
 465 };
 466
 467 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 468    no detection/ro pins */
 469 static int cm_x300_mci2_init(struct device *dev,
 470                              irq_handler_t cm_x300_detect_int,
 471         void *data)
 472 {
 473         return 0;
 474 }
 475
 476 static void cm_x300_mci2_exit(struct device *dev, void *data)
 477 {
 478 }
 479
 480 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 481         .detect_delay_ms        = 200,
 482         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 483         .init                   = cm_x300_mci2_init,
 484         .exit                   = cm_x300_mci2_exit,
 485         .gpio_card_detect       = -1,
 486         .gpio_card_ro           = -1,
 487         .gpio_power             = -1,
 488 };
 489
 490 static void __init cm_x300_init_mmc(void)
 491 {
 492         pxa_set_mci_info(&cm_x300_mci_platform_data);
 493         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 494 }
 495 #else
 496 static inline void cm_x300_init_mmc(void) {}
 497 #endif
 498
 499 #if defined(CONFIG_PXA310_ULPI)
 500 static struct clk *pout_clk;
 501
 502 static int cm_x300_ulpi_phy_reset(void)
 503 {
 504         int err;
 505
 506         /* reset the PHY */
 507         err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
 508                                "ulpi reset");
 509         if (err) {
 510                 pr_err("failed to request ULPI reset GPIO: %d\n", err);
 511                 return err;
 512         }
 513
 514         msleep(10);
 515         gpio_set_value(GPIO_ULPI_PHY_RST, 1);
 516         msleep(10);
 517
 518         gpio_free(GPIO_ULPI_PHY_RST);
 519
 520         return 0;
 521 }
 522
 523 static int cm_x300_u2d_init(struct device *dev)
 524 {
 525         int err = 0;
 526
 527         if (cpu_is_pxa310()) {
 528                 /* CLK_POUT is connected to the ULPI PHY */
 529                 pout_clk = clk_get(NULL, "CLK_POUT");
 530                 if (IS_ERR(pout_clk)) {
 531                         err = PTR_ERR(pout_clk);
 532                         pr_err("failed to get CLK_POUT: %d\n", err);
 533                         return err;
 534                 }
 535                 clk_prepare_enable(pout_clk);
 536
 537                 err = cm_x300_ulpi_phy_reset();
 538                 if (err) {
 539                         clk_disable(pout_clk);
 540                         clk_put(pout_clk);
 541                 }
 542         }
 543
 544         return err;
 545 }
 546
 547 static void cm_x300_u2d_exit(struct device *dev)
 548 {
 549         if (cpu_is_pxa310()) {
 550                 clk_disable_unprepare(pout_clk);
 551                 clk_put(pout_clk);
 552         }
 553 }
 554
 555 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
 556         .ulpi_mode      = ULPI_SER_6PIN,
 557         .init           = cm_x300_u2d_init,
 558         .exit           = cm_x300_u2d_exit,
 559 };
 560
 561 static void __init cm_x300_init_u2d(void)
 562 {
 563         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 564 }
 565 #else
 566 static inline void cm_x300_init_u2d(void) {}
 567 #endif
 568
 569 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 570 static int cm_x300_ohci_init(struct device *dev)
 571 {
 572         if (cpu_is_pxa300())
 573                 UP2OCR = UP2OCR_HXS
 574                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 575
 576         return 0;
 577 }
 578
 579 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 580         .port_mode      = PMM_PERPORT_MODE,
 581         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 582         .init           = cm_x300_ohci_init,
 583 };
 584
 585 static void __init cm_x300_init_ohci(void)
 586 {
 587         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 588 }
 589 #else
 590 static inline void cm_x300_init_ohci(void) {}
 591 #endif
 592
 593 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 594 static struct gpio_led cm_x300_leds[] = {
 595         [0] = {
 596                 .name = "cm-x300:green",
 597                 .default_trigger = "heartbeat",
 598                 .active_low = 1,
 599         },
 600 };
 601
 602 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 603         .num_leds = ARRAY_SIZE(cm_x300_leds),
 604         .leds = cm_x300_leds,
 605 };
 606
 607 static struct platform_device cm_x300_led_device = {
 608         .name           = "leds-gpio",
 609         .id             = -1,
 610         .dev            = {
 611                 .platform_data = &cm_x300_gpio_led_pdata,
 612         },
 613 };
 614
 615 static void __init cm_x300_init_leds(void)
 616 {
 617         if (system_rev < 130)
 618                 cm_x300_leds[0].gpio = 79;
 619         else
 620                 cm_x300_leds[0].gpio = 76;
 621
 622         platform_device_register(&cm_x300_led_device);
 623 }
 624 #else
 625 static inline void cm_x300_init_leds(void) {}
 626 #endif
 627
 628 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 629 /* PCA9555 */
 630 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 631         .gpio_base = 128,
 632 };
 633
 634 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 635         .gpio_base = 144,
 636 };
 637
 638 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 639         [0] = {
 640                 I2C_BOARD_INFO("pca9555", 0x24),
 641                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 642         },
 643         [1] = {
 644                 I2C_BOARD_INFO("pca9555", 0x25),
 645                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 646         },
 647 };
 648
 649 static void __init cm_x300_init_i2c(void)
 650 {
 651         pxa_set_i2c_info(NULL);
 652         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 653                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 654 }
 655 #else
 656 static inline void cm_x300_init_i2c(void) {}
 657 #endif
 658
 659 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 660 struct v3020_platform_data cm_x300_v3020_pdata = {
 661         .use_gpio       = 1,
 662         .gpio_cs        = GPIO95_RTC_CS,
 663         .gpio_wr        = GPIO96_RTC_WR,
 664         .gpio_rd        = GPIO97_RTC_RD,
 665         .gpio_io        = GPIO98_RTC_IO,
 666 };
 667
 668 static struct platform_device cm_x300_rtc_device = {
 669         .name           = "v3020",
 670         .id             = -1,
 671         .dev            = {
 672                 .platform_data = &cm_x300_v3020_pdata,
 673         }
 674 };
 675
 676 static void __init cm_x300_init_rtc(void)
 677 {
 678         platform_device_register(&cm_x300_rtc_device);
 679 }
 680 #else
 681 static inline void cm_x300_init_rtc(void) {}
 682 #endif
 683
 684 /* Battery */
 685 struct power_supply_info cm_x300_psy_info = {
 686         .name = "battery",
 687         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 688         .voltage_max_design = 4200000,
 689         .voltage_min_design = 3000000,
 690         .use_for_apm = 1,
 691 };
 692
 693 static void cm_x300_battery_low(void)
 694 {
 695 #if defined(CONFIG_APM_EMULATION)
 696         apm_queue_event(APM_LOW_BATTERY);
 697 #endif
 698 }
 699
 700 static void cm_x300_battery_critical(void)
 701 {
 702 #if defined(CONFIG_APM_EMULATION)
 703         apm_queue_event(APM_CRITICAL_SUSPEND);
 704 #endif
 705 }
 706
 707 struct da9030_battery_info cm_x300_battery_info = {
 708         .battery_info = &cm_x300_psy_info,
 709
 710         .charge_milliamp = 1000,
 711         .charge_millivolt = 4200,
 712
 713         .vbat_low = 3600,
 714         .vbat_crit = 3400,
 715         .vbat_charge_start = 4100,
 716         .vbat_charge_stop = 4200,
 717         .vbat_charge_restart = 4000,
 718
 719         .vcharge_min = 3200,
 720         .vcharge_max = 5500,
 721
 722         .tbat_low = 197,
 723         .tbat_high = 78,
 724         .tbat_restart = 100,
 725
 726         .batmon_interval = 0,
 727
 728         .battery_low = cm_x300_battery_low,
 729         .battery_critical = cm_x300_battery_critical,
 730 };
 731
 732 static struct regulator_consumer_supply buck2_consumers[] = {
 733         REGULATOR_SUPPLY("vcc_core", NULL),
 734 };
 735
 736 static struct regulator_init_data buck2_data = {
 737         .constraints = {
 738                 .min_uV = 1375000,
 739                 .max_uV = 1375000,
 740                 .state_mem = {
 741                         .enabled = 0,
 742                 },
 743                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 744                 .apply_uV = 1,
 745         },
 746         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
 747         .consumer_supplies = buck2_consumers,
 748 };
 749
 750 /* DA9030 */
 751 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 752         {
 753                 .name = "da903x-battery",
 754                 .id = DA9030_ID_BAT,
 755                 .platform_data = &cm_x300_battery_info,
 756         },
 757         {
 758                 .name = "da903x-regulator",
 759                 .id = DA9030_ID_BUCK2,
 760                 .platform_data = &buck2_data,
 761         },
 762 };
 763
 764 static struct da903x_platform_data cm_x300_da9030_info = {
 765         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
 766         .subdevs = cm_x300_da9030_subdevs,
 767 };
 768
 769 static struct i2c_board_info cm_x300_pmic_info = {
 770         I2C_BOARD_INFO("da9030", 0x49),
 771         .irq = IRQ_WAKEUP0,
 772         .platform_data = &cm_x300_da9030_info,
 773 };
 774
 775 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 776         .use_pio = 1,
 777 };
 778
 779 static void __init cm_x300_init_da9030(void)
 780 {
 781         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
 782         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
 783         irq_set_irq_wake(IRQ_WAKEUP0, 1);
 784 }
 785
 786 /* wi2wi gpio setting for system_rev >= 130 */
 787 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
 788         { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
 789         { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
 790 };
 791
 792 static void __init cm_x300_init_wi2wi(void)
 793 {
 794         int err;
 795
 796         if (system_rev < 130) {
 797                 cm_x300_wi2wi_gpios[0].gpio = 77;       /* wlan en */
 798                 cm_x300_wi2wi_gpios[1].gpio = 78;       /* bt reset */
 799         }
 800
 801         /* Libertas and CSR reset */
 802         err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 803         if (err) {
 804                 pr_err("failed to request wifi/bt gpios: %d\n", err);
 805                 return;
 806         }
 807
 808         udelay(10);
 809         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
 810         udelay(10);
 811         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
 812
 813         gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 814 }
 815
 816 /* MFP */
 817 static void __init cm_x300_init_mfp(void)
 818 {
 819         /* board-processor specific GPIO initialization */
 820         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 821
 822         if (system_rev < 130)
 823                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 824         else
 825                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 826
 827         if (cpu_is_pxa310())
 828                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 829 }
 830
 831 static void __init cm_x300_init(void)
 832 {
 833         cm_x300_init_mfp();
 834
 835         pxa_set_btuart_info(NULL);
 836         pxa_set_stuart_info(NULL);
 837         if (cpu_is_pxa300())
 838                 pxa_set_ffuart_info(NULL);
 839
 840         cm_x300_init_da9030();
 841         cm_x300_init_dm9000();
 842         cm_x300_init_lcd();
 843         cm_x300_init_u2d();
 844         cm_x300_init_ohci();
 845         cm_x300_init_mmc();
 846         cm_x300_init_nand();
 847         cm_x300_init_leds();
 848         cm_x300_init_i2c();
 849         cm_x300_init_spi();
 850         cm_x300_init_rtc();
 851         cm_x300_init_ac97();
 852         cm_x300_init_wi2wi();
 853         cm_x300_init_bl();
 854
 855         regulator_has_full_constraints();
 856 }
 857
 858 static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
 859 {
 860         /* Make sure that mi->bank[0].start = PHYS_ADDR */
 861         for (; tags->hdr.size; tags = tag_next(tags))
 862                 if (tags->hdr.tag == ATAG_MEM &&
 863                         tags->u.mem.start == 0x80000000) {
 864                         tags->u.mem.start = 0xa0000000;
 865                         break;
 866                 }
 867 }
 868
 869 MACHINE_START(CM_X300, "CM-X300 module")
 870         .atag_offset    = 0x100,
 871         .map_io         = pxa3xx_map_io,
 872         .nr_irqs        = PXA_NR_IRQS,
 873         .init_irq       = pxa3xx_init_irq,
 874         .handle_irq     = pxa3xx_handle_irq,
 875         .init_time      = pxa_timer_init,
 876         .init_machine   = cm_x300_init,
 877         .fixup          = cm_x300_fixup,
 878         .restart        = pxa_restart,
 879 MACHINE_END