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/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
  79static 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
 181static 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
 188static 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
 195static 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)
 223static 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
 241static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 242        .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 243};
 244
 245static 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
 256static void __init cm_x300_init_dm9000(void)
 257{
 258        platform_device_register(&dm9000_device);
 259}
 260#else
 261static inline void cm_x300_init_dm9000(void) {}
 262#endif
 263
 264/* LCD */
 265#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 266static 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
 295static 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
 301static void __init cm_x300_init_lcd(void)
 302{
 303        pxa_set_fb_info(NULL, &cm_x300_lcd);
 304}
 305#else
 306static inline void cm_x300_init_lcd(void) {}
 307#endif
 308
 309#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 310static 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
 315static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 316        .max_brightness = 100,
 317        .dft_brightness = 100,
 318        .enable_gpio    = -1,
 319};
 320
 321static 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
 329static 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
 335static 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
 346static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 347        .num_chipselect = 1,
 348};
 349
 350static 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
 358static 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
 373static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 374        .model = TDO35S,
 375};
 376
 377static 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
 387static 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
 395static inline void cm_x300_init_spi(void) {}
 396#endif
 397
 398#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 399static void __init cm_x300_init_ac97(void)
 400{
 401        pxa_set_ac97_info(NULL);
 402}
 403#else
 404static inline void cm_x300_init_ac97(void) {}
 405#endif
 406
 407#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
 408static 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
 444static 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
 450static void __init cm_x300_init_nand(void)
 451{
 452        pxa3xx_set_nand_info(&cm_x300_nand_info);
 453}
 454#else
 455static inline void cm_x300_init_nand(void) {}
 456#endif
 457
 458#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 459static 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 */
 469static 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
 476static void cm_x300_mci2_exit(struct device *dev, void *data)
 477{
 478}
 479
 480static 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
 490static 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
 496static inline void cm_x300_init_mmc(void) {}
 497#endif
 498
 499#if defined(CONFIG_PXA310_ULPI)
 500static struct clk *pout_clk;
 501
 502static 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
 523static 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
 547static 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
 555static 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
 561static void cm_x300_init_u2d(void)
 562{
 563        pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 564}
 565#else
 566static inline void cm_x300_init_u2d(void) {}
 567#endif
 568
 569#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 570static 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
 579static 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
 585static void __init cm_x300_init_ohci(void)
 586{
 587        pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 588}
 589#else
 590static inline void cm_x300_init_ohci(void) {}
 591#endif
 592
 593#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 594static struct gpio_led cm_x300_leds[] = {
 595        [0] = {
 596                .name = "cm-x300:green",
 597                .default_trigger = "heartbeat",
 598                .active_low = 1,
 599        },
 600};
 601
 602static 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
 607static 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
 615static 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
 625static inline void cm_x300_init_leds(void) {}
 626#endif
 627
 628#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 629/* PCA9555 */
 630static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 631        .gpio_base = 128,
 632};
 633
 634static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 635        .gpio_base = 144,
 636};
 637
 638static 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
 649static 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
 656static inline void cm_x300_init_i2c(void) {}
 657#endif
 658
 659#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 660struct 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
 668static 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
 676static void __init cm_x300_init_rtc(void)
 677{
 678        platform_device_register(&cm_x300_rtc_device);
 679}
 680#else
 681static inline void cm_x300_init_rtc(void) {}
 682#endif
 683
 684/* Battery */
 685struct 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
 693static void cm_x300_battery_low(void)
 694{
 695#if defined(CONFIG_APM_EMULATION)
 696        apm_queue_event(APM_LOW_BATTERY);
 697#endif
 698}
 699
 700static void cm_x300_battery_critical(void)
 701{
 702#if defined(CONFIG_APM_EMULATION)
 703        apm_queue_event(APM_CRITICAL_SUSPEND);
 704#endif
 705}
 706
 707struct 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
 732static struct regulator_consumer_supply buck2_consumers[] = {
 733        REGULATOR_SUPPLY("vcc_core", NULL),
 734};
 735
 736static 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 */
 751struct 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
 764static 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
 769static 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
 775static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 776        .use_pio = 1,
 777};
 778
 779static 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 */
 787static 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
 792static 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 */
 817static 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
 831static 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
 858static 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
 869MACHINE_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,
 879MACHINE_END
 880