linux/arch/arm/mach-pxa/cm-x300.c
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   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 "pxa300.h"
  51#include "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
  78static 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
 180static 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
 187static 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
 194static 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)
 222static 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
 240static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 241        .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 242};
 243
 244static 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
 255static void __init cm_x300_init_dm9000(void)
 256{
 257        platform_device_register(&dm9000_device);
 258}
 259#else
 260static inline void cm_x300_init_dm9000(void) {}
 261#endif
 262
 263/* LCD */
 264#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 265static 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
 294static 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
 300static void __init cm_x300_init_lcd(void)
 301{
 302        pxa_set_fb_info(NULL, &cm_x300_lcd);
 303}
 304#else
 305static inline void cm_x300_init_lcd(void) {}
 306#endif
 307
 308#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 309static 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
 314static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 315        .max_brightness = 100,
 316        .dft_brightness = 100,
 317        .enable_gpio    = -1,
 318};
 319
 320static 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
 328static 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
 334static 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
 345static 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
 352static 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
 360static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 361        .model = TDO35S,
 362};
 363
 364static 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
 375static 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
 382static inline void cm_x300_init_spi(void) {}
 383#endif
 384
 385#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 386static void __init cm_x300_init_ac97(void)
 387{
 388        pxa_set_ac97_info(NULL);
 389}
 390#else
 391static inline void cm_x300_init_ac97(void) {}
 392#endif
 393
 394#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 395static 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
 431static 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
 439static void __init cm_x300_init_nand(void)
 440{
 441        pxa3xx_set_nand_info(&cm_x300_nand_info);
 442}
 443#else
 444static inline void cm_x300_init_nand(void) {}
 445#endif
 446
 447#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 448static 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 */
 458static 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
 465static void cm_x300_mci2_exit(struct device *dev, void *data)
 466{
 467}
 468
 469static 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
 479static 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
 485static inline void cm_x300_init_mmc(void) {}
 486#endif
 487
 488#if defined(CONFIG_PXA310_ULPI)
 489static struct clk *pout_clk;
 490
 491static 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
 512static 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
 536static 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
 544static 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
 550static void cm_x300_init_u2d(void)
 551{
 552        pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 553}
 554#else
 555static inline void cm_x300_init_u2d(void) {}
 556#endif
 557
 558#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 559static 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
 568static 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
 574static void __init cm_x300_init_ohci(void)
 575{
 576        pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 577}
 578#else
 579static inline void cm_x300_init_ohci(void) {}
 580#endif
 581
 582#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 583static struct gpio_led cm_x300_leds[] = {
 584        [0] = {
 585                .name = "cm-x300:green",
 586                .default_trigger = "heartbeat",
 587                .active_low = 1,
 588        },
 589};
 590
 591static 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
 596static 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
 604static 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
 614static inline void cm_x300_init_leds(void) {}
 615#endif
 616
 617#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 618/* PCA9555 */
 619static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 620        .gpio_base = 128,
 621};
 622
 623static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 624        .gpio_base = 144,
 625};
 626
 627static 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
 638static 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
 645static inline void cm_x300_init_i2c(void) {}
 646#endif
 647
 648#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 649struct 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
 657static 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
 665static void __init cm_x300_init_rtc(void)
 666{
 667        platform_device_register(&cm_x300_rtc_device);
 668}
 669#else
 670static inline void cm_x300_init_rtc(void) {}
 671#endif
 672
 673/* Battery */
 674struct 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
 682static void cm_x300_battery_low(void)
 683{
 684#if defined(CONFIG_APM_EMULATION)
 685        apm_queue_event(APM_LOW_BATTERY);
 686#endif
 687}
 688
 689static void cm_x300_battery_critical(void)
 690{
 691#if defined(CONFIG_APM_EMULATION)
 692        apm_queue_event(APM_CRITICAL_SUSPEND);
 693#endif
 694}
 695
 696struct 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
 721static struct regulator_consumer_supply buck2_consumers[] = {
 722        REGULATOR_SUPPLY("vcc_core", NULL),
 723};
 724
 725static 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 */
 740struct 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
 753static 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
 758static 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
 764static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 765        .use_pio = 1,
 766};
 767
 768static 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 */
 776static 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
 781static 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 */
 806static 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
 820static 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
 847static 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
 858MACHINE_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,
 868MACHINE_END
 869