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/dm9000.h>
  27 #include <linux/leds.h>
  28 #include <linux/rtc-v3020.h>
  29 #include <linux/pwm_backlight.h>
  30
  31 #include <linux/i2c.h>
  32 #include <linux/i2c/pca953x.h>
  33 #include <linux/i2c/pxa-i2c.h>
  34
  35 #include <linux/mfd/da903x.h>
  36 #include <linux/regulator/machine.h>
  37 #include <linux/power_supply.h>
  38 #include <linux/apm-emulation.h>
  39
  40 #include <linux/spi/spi.h>
  41 #include <linux/spi/spi_gpio.h>
  42 #include <linux/spi/tdo24m.h>
  43
  44 #include <asm/mach-types.h>
  45 #include <asm/mach/arch.h>
  46 #include <asm/setup.h>
  47
  48 #include <mach/pxa300.h>
  49 #include <mach/pxa27x-udc.h>
  50 #include <mach/pxafb.h>
  51 #include <mach/mmc.h>
  52 #include <mach/ohci.h>
  53 #include <plat/pxa3xx_nand.h>
  54 #include <mach/audio.h>
  55 #include <mach/pxa3xx-u2d.h>
  56
  57 #include <asm/mach/map.h>
  58
  59 #include "generic.h"
  60 #include "devices.h"
  61
  62 #define CM_X300_ETH_PHYS        0x08000010
  63
  64 #define GPIO82_MMC_IRQ          (82)
  65 #define GPIO85_MMC_WP           (85)
  66
  67 #define CM_X300_MMC_IRQ         IRQ_GPIO(GPIO82_MMC_IRQ)
  68
  69 #define GPIO95_RTC_CS           (95)
  70 #define GPIO96_RTC_WR           (96)
  71 #define GPIO97_RTC_RD           (97)
  72 #define GPIO98_RTC_IO           (98)
  73
  74 #define GPIO_ULPI_PHY_RST       (127)
  75
  76 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
  77         /* LCD */
  78         GPIO54_LCD_LDD_0,
  79         GPIO55_LCD_LDD_1,
  80         GPIO56_LCD_LDD_2,
  81         GPIO57_LCD_LDD_3,
  82         GPIO58_LCD_LDD_4,
  83         GPIO59_LCD_LDD_5,
  84         GPIO60_LCD_LDD_6,
  85         GPIO61_LCD_LDD_7,
  86         GPIO62_LCD_LDD_8,
  87         GPIO63_LCD_LDD_9,
  88         GPIO64_LCD_LDD_10,
  89         GPIO65_LCD_LDD_11,
  90         GPIO66_LCD_LDD_12,
  91         GPIO67_LCD_LDD_13,
  92         GPIO68_LCD_LDD_14,
  93         GPIO69_LCD_LDD_15,
  94         GPIO72_LCD_FCLK,
  95         GPIO73_LCD_LCLK,
  96         GPIO74_LCD_PCLK,
  97         GPIO75_LCD_BIAS,
  98
  99         /* BTUART */
 100         GPIO111_UART2_RTS,
 101         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
 102         GPIO113_UART2_TXD,
 103         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
 104
 105         /* STUART */
 106         GPIO109_UART3_TXD,
 107         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
 108
 109         /* AC97 */
 110         GPIO23_AC97_nACRESET,
 111         GPIO24_AC97_SYSCLK,
 112         GPIO29_AC97_BITCLK,
 113         GPIO25_AC97_SDATA_IN_0,
 114         GPIO27_AC97_SDATA_OUT,
 115         GPIO28_AC97_SYNC,
 116
 117         /* Keypad */
 118         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
 119         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
 120         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
 121         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
 122         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
 123         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
 124         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
 125         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
 126         GPIO121_KP_MKOUT_0,
 127         GPIO122_KP_MKOUT_1,
 128         GPIO123_KP_MKOUT_2,
 129         GPIO124_KP_MKOUT_3,
 130         GPIO125_KP_MKOUT_4,
 131         GPIO4_2_KP_MKOUT_5,
 132
 133         /* MMC1 */
 134         GPIO3_MMC1_DAT0,
 135         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
 136         GPIO5_MMC1_DAT2,
 137         GPIO6_MMC1_DAT3,
 138         GPIO7_MMC1_CLK,
 139         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
 140
 141         /* MMC2 */
 142         GPIO9_MMC2_DAT0,
 143         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
 144         GPIO11_MMC2_DAT2,
 145         GPIO12_MMC2_DAT3,
 146         GPIO13_MMC2_CLK,
 147         GPIO14_MMC2_CMD,
 148
 149         /* FFUART */
 150         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
 151         GPIO31_UART1_TXD,
 152         GPIO32_UART1_CTS,
 153         GPIO37_UART1_RTS,
 154         GPIO33_UART1_DCD,
 155         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
 156         GPIO35_UART1_RI,
 157         GPIO36_UART1_DTR,
 158
 159         /* GPIOs */
 160         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
 161         GPIO85_GPIO,                    /* MMC WP */
 162         GPIO99_GPIO,                    /* Ethernet IRQ */
 163
 164         /* RTC GPIOs */
 165         GPIO95_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC CS */
 166         GPIO96_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC WR */
 167         GPIO97_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC RD */
 168         GPIO98_GPIO,                            /* RTC IO */
 169
 170         /* Standard I2C */
 171         GPIO21_I2C_SCL,
 172         GPIO22_I2C_SDA,
 173
 174         /* PWM Backlight */
 175         GPIO19_PWM2_OUT,
 176 };
 177
 178 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
 179         /* GPIOs */
 180         GPIO79_GPIO,                    /* LED */
 181         GPIO77_GPIO,                    /* WiFi reset */
 182         GPIO78_GPIO,                    /* BT reset */
 183 };
 184
 185 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
 186         /* GPIOs */
 187         GPIO76_GPIO,                    /* LED */
 188         GPIO71_GPIO,                    /* WiFi reset */
 189         GPIO70_GPIO,                    /* BT reset */
 190 };
 191
 192 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
 193         /* USB PORT 2 */
 194         ULPI_STP,
 195         ULPI_NXT,
 196         ULPI_DIR,
 197         GPIO30_ULPI_DATA_OUT_0,
 198         GPIO31_ULPI_DATA_OUT_1,
 199         GPIO32_ULPI_DATA_OUT_2,
 200         GPIO33_ULPI_DATA_OUT_3,
 201         GPIO34_ULPI_DATA_OUT_4,
 202         GPIO35_ULPI_DATA_OUT_5,
 203         GPIO36_ULPI_DATA_OUT_6,
 204         GPIO37_ULPI_DATA_OUT_7,
 205         GPIO38_ULPI_CLK,
 206         /* external PHY reset pin */
 207         GPIO127_GPIO,
 208
 209         /* USB PORT 3 */
 210         GPIO77_USB_P3_1,
 211         GPIO78_USB_P3_2,
 212         GPIO79_USB_P3_3,
 213         GPIO80_USB_P3_4,
 214         GPIO81_USB_P3_5,
 215         GPIO82_USB_P3_6,
 216         GPIO0_2_USBH_PEN,
 217 };
 218
 219 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 220 static struct resource dm9000_resources[] = {
 221         [0] = {
 222                 .start  = CM_X300_ETH_PHYS,
 223                 .end    = CM_X300_ETH_PHYS + 0x3,
 224                 .flags  = IORESOURCE_MEM,
 225         },
 226         [1] = {
 227                 .start  = CM_X300_ETH_PHYS + 0x4,
 228                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
 229                 .flags  = IORESOURCE_MEM,
 230         },
 231         [2] = {
 232                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 233                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 234                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 235         }
 236 };
 237
 238 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 239         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 240 };
 241
 242 static struct platform_device dm9000_device = {
 243         .name           = "dm9000",
 244         .id             = 0,
 245         .num_resources  = ARRAY_SIZE(dm9000_resources),
 246         .resource       = dm9000_resources,
 247         .dev            = {
 248                 .platform_data = &cm_x300_dm9000_platdata,
 249         }
 250
 251 };
 252
 253 static void __init cm_x300_init_dm9000(void)
 254 {
 255         platform_device_register(&dm9000_device);
 256 }
 257 #else
 258 static inline void cm_x300_init_dm9000(void) {}
 259 #endif
 260
 261 /* LCD */
 262 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 263 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
 264         [0] = {
 265                 .pixclock       = 38250,
 266                 .bpp            = 16,
 267                 .xres           = 480,
 268                 .yres           = 640,
 269                 .hsync_len      = 8,
 270                 .vsync_len      = 2,
 271                 .left_margin    = 8,
 272                 .upper_margin   = 2,
 273                 .right_margin   = 24,
 274                 .lower_margin   = 4,
 275                 .cmap_greyscale = 0,
 276         },
 277         [1] = {
 278                 .pixclock       = 153800,
 279                 .bpp            = 16,
 280                 .xres           = 240,
 281                 .yres           = 320,
 282                 .hsync_len      = 8,
 283                 .vsync_len      = 2,
 284                 .left_margin    = 8,
 285                 .upper_margin   = 2,
 286                 .right_margin   = 88,
 287                 .lower_margin   = 2,
 288                 .cmap_greyscale = 0,
 289         },
 290 };
 291
 292 static struct pxafb_mach_info cm_x300_lcd = {
 293         .modes                  = cm_x300_lcd_modes,
 294         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
 295         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 296 };
 297
 298 static void __init cm_x300_init_lcd(void)
 299 {
 300         pxa_set_fb_info(NULL, &cm_x300_lcd);
 301 }
 302 #else
 303 static inline void cm_x300_init_lcd(void) {}
 304 #endif
 305
 306 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 307 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 308         .pwm_id         = 2,
 309         .max_brightness = 100,
 310         .dft_brightness = 100,
 311         .pwm_period_ns  = 10000,
 312 };
 313
 314 static struct platform_device cm_x300_backlight_device = {
 315         .name           = "pwm-backlight",
 316         .dev            = {
 317                 .parent = &pxa27x_device_pwm0.dev,
 318                 .platform_data  = &cm_x300_backlight_data,
 319         },
 320 };
 321
 322 static void cm_x300_init_bl(void)
 323 {
 324         platform_device_register(&cm_x300_backlight_device);
 325 }
 326 #else
 327 static inline void cm_x300_init_bl(void) {}
 328 #endif
 329
 330 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 331 #define GPIO_LCD_BASE   (144)
 332 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 333 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 334 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 335 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 336 #define LCD_SPI_BUS_NUM (1)
 337
 338 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 339         .sck            = GPIO_LCD_SCL,
 340         .mosi           = GPIO_LCD_DIN,
 341         .miso           = GPIO_LCD_DOUT,
 342         .num_chipselect = 1,
 343 };
 344
 345 static struct platform_device cm_x300_spi_gpio = {
 346         .name           = "spi_gpio",
 347         .id             = LCD_SPI_BUS_NUM,
 348         .dev            = {
 349                 .platform_data  = &cm_x300_spi_gpio_pdata,
 350         },
 351 };
 352
 353 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 354         .model = TDO35S,
 355 };
 356
 357 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 358         {
 359                 .modalias               = "tdo24m",
 360                 .max_speed_hz           = 1000000,
 361                 .bus_num                = LCD_SPI_BUS_NUM,
 362                 .chip_select            = 0,
 363                 .controller_data        = (void *) GPIO_LCD_CS,
 364                 .platform_data          = &cm_x300_tdo24m_pdata,
 365         },
 366 };
 367
 368 static void __init cm_x300_init_spi(void)
 369 {
 370         spi_register_board_info(cm_x300_spi_devices,
 371                                 ARRAY_SIZE(cm_x300_spi_devices));
 372         platform_device_register(&cm_x300_spi_gpio);
 373 }
 374 #else
 375 static inline void cm_x300_init_spi(void) {}
 376 #endif
 377
 378 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 379 static void __init cm_x300_init_ac97(void)
 380 {
 381         pxa_set_ac97_info(NULL);
 382 }
 383 #else
 384 static inline void cm_x300_init_ac97(void) {}
 385 #endif
 386
 387 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 388 static struct mtd_partition cm_x300_nand_partitions[] = {
 389         [0] = {
 390                 .name        = "OBM",
 391                 .offset      = 0,
 392                 .size        = SZ_256K,
 393                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 394         },
 395         [1] = {
 396                 .name        = "U-Boot",
 397                 .offset      = MTDPART_OFS_APPEND,
 398                 .size        = SZ_256K,
 399                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 400         },
 401         [2] = {
 402                 .name        = "Environment",
 403                 .offset      = MTDPART_OFS_APPEND,
 404                 .size        = SZ_256K,
 405         },
 406         [3] = {
 407                 .name        = "reserved",
 408                 .offset      = MTDPART_OFS_APPEND,
 409                 .size        = SZ_256K + SZ_1M,
 410                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 411         },
 412         [4] = {
 413                 .name        = "kernel",
 414                 .offset      = MTDPART_OFS_APPEND,
 415                 .size        = SZ_4M,
 416         },
 417         [5] = {
 418                 .name        = "fs",
 419                 .offset      = MTDPART_OFS_APPEND,
 420                 .size        = MTDPART_SIZ_FULL,
 421         },
 422 };
 423
 424 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 425         .enable_arbiter = 1,
 426         .keep_config    = 1,
 427         .parts          = cm_x300_nand_partitions,
 428         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
 429 };
 430
 431 static void __init cm_x300_init_nand(void)
 432 {
 433         pxa3xx_set_nand_info(&cm_x300_nand_info);
 434 }
 435 #else
 436 static inline void cm_x300_init_nand(void) {}
 437 #endif
 438
 439 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 440 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 441         .detect_delay_ms        = 200,
 442         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 443         .gpio_card_detect       = GPIO82_MMC_IRQ,
 444         .gpio_card_ro           = GPIO85_MMC_WP,
 445         .gpio_power             = -1,
 446 };
 447
 448 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 449    no detection/ro pins */
 450 static int cm_x300_mci2_init(struct device *dev,
 451                              irq_handler_t cm_x300_detect_int,
 452         void *data)
 453 {
 454         return 0;
 455 }
 456
 457 static void cm_x300_mci2_exit(struct device *dev, void *data)
 458 {
 459 }
 460
 461 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 462         .detect_delay_ms        = 200,
 463         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 464         .init                   = cm_x300_mci2_init,
 465         .exit                   = cm_x300_mci2_exit,
 466         .gpio_card_detect       = -1,
 467         .gpio_card_ro           = -1,
 468         .gpio_power             = -1,
 469 };
 470
 471 static void __init cm_x300_init_mmc(void)
 472 {
 473         pxa_set_mci_info(&cm_x300_mci_platform_data);
 474         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 475 }
 476 #else
 477 static inline void cm_x300_init_mmc(void) {}
 478 #endif
 479
 480 #if defined(CONFIG_PXA310_ULPI)
 481 static struct clk *pout_clk;
 482
 483 static int cm_x300_ulpi_phy_reset(void)
 484 {
 485         int err;
 486
 487         /* reset the PHY */
 488         err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
 489                                "ulpi reset");
 490         if (err) {
 491                 pr_err("failed to request ULPI reset GPIO: %d\n", err);
 492                 return err;
 493         }
 494
 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("failed to get CLK_POUT: %d\n", err);
 514                         return err;
 515                 }
 516                 clk_enable(pout_clk);
 517
 518                 err = cm_x300_ulpi_phy_reset();
 519                 if (err) {
 520                         clk_disable(pout_clk);
 521                         clk_put(pout_clk);
 522                 }
 523         }
 524
 525         return err;
 526 }
 527
 528 static void cm_x300_u2d_exit(struct device *dev)
 529 {
 530         if (cpu_is_pxa310()) {
 531                 clk_disable(pout_clk);
 532                 clk_put(pout_clk);
 533         }
 534 }
 535
 536 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
 537         .ulpi_mode      = ULPI_SER_6PIN,
 538         .init           = cm_x300_u2d_init,
 539         .exit           = cm_x300_u2d_exit,
 540 };
 541
 542 static void cm_x300_init_u2d(void)
 543 {
 544         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 545 }
 546 #else
 547 static inline void cm_x300_init_u2d(void) {}
 548 #endif
 549
 550 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 551 static int cm_x300_ohci_init(struct device *dev)
 552 {
 553         if (cpu_is_pxa300())
 554                 UP2OCR = UP2OCR_HXS
 555                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 556
 557         return 0;
 558 }
 559
 560 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 561         .port_mode      = PMM_PERPORT_MODE,
 562         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 563         .init           = cm_x300_ohci_init,
 564 };
 565
 566 static void __init cm_x300_init_ohci(void)
 567 {
 568         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 569 }
 570 #else
 571 static inline void cm_x300_init_ohci(void) {}
 572 #endif
 573
 574 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 575 static struct gpio_led cm_x300_leds[] = {
 576         [0] = {
 577                 .name = "cm-x300:green",
 578                 .default_trigger = "heartbeat",
 579                 .active_low = 1,
 580         },
 581 };
 582
 583 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 584         .num_leds = ARRAY_SIZE(cm_x300_leds),
 585         .leds = cm_x300_leds,
 586 };
 587
 588 static struct platform_device cm_x300_led_device = {
 589         .name           = "leds-gpio",
 590         .id             = -1,
 591         .dev            = {
 592                 .platform_data = &cm_x300_gpio_led_pdata,
 593         },
 594 };
 595
 596 static void __init cm_x300_init_leds(void)
 597 {
 598         if (system_rev < 130)
 599                 cm_x300_leds[0].gpio = 79;
 600         else
 601                 cm_x300_leds[0].gpio = 76;
 602
 603         platform_device_register(&cm_x300_led_device);
 604 }
 605 #else
 606 static inline void cm_x300_init_leds(void) {}
 607 #endif
 608
 609 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 610 /* PCA9555 */
 611 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 612         .gpio_base = 128,
 613 };
 614
 615 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 616         .gpio_base = 144,
 617 };
 618
 619 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 620         [0] = {
 621                 I2C_BOARD_INFO("pca9555", 0x24),
 622                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 623         },
 624         [1] = {
 625                 I2C_BOARD_INFO("pca9555", 0x25),
 626                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 627         },
 628 };
 629
 630 static void __init cm_x300_init_i2c(void)
 631 {
 632         pxa_set_i2c_info(NULL);
 633         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 634                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 635 }
 636 #else
 637 static inline void cm_x300_init_i2c(void) {}
 638 #endif
 639
 640 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 641 struct v3020_platform_data cm_x300_v3020_pdata = {
 642         .use_gpio       = 1,
 643         .gpio_cs        = GPIO95_RTC_CS,
 644         .gpio_wr        = GPIO96_RTC_WR,
 645         .gpio_rd        = GPIO97_RTC_RD,
 646         .gpio_io        = GPIO98_RTC_IO,
 647 };
 648
 649 static struct platform_device cm_x300_rtc_device = {
 650         .name           = "v3020",
 651         .id             = -1,
 652         .dev            = {
 653                 .platform_data = &cm_x300_v3020_pdata,
 654         }
 655 };
 656
 657 static void __init cm_x300_init_rtc(void)
 658 {
 659         platform_device_register(&cm_x300_rtc_device);
 660 }
 661 #else
 662 static inline void cm_x300_init_rtc(void) {}
 663 #endif
 664
 665 /* Battery */
 666 struct power_supply_info cm_x300_psy_info = {
 667         .name = "battery",
 668         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 669         .voltage_max_design = 4200000,
 670         .voltage_min_design = 3000000,
 671         .use_for_apm = 1,
 672 };
 673
 674 static void cm_x300_battery_low(void)
 675 {
 676 #if defined(CONFIG_APM_EMULATION)
 677         apm_queue_event(APM_LOW_BATTERY);
 678 #endif
 679 }
 680
 681 static void cm_x300_battery_critical(void)
 682 {
 683 #if defined(CONFIG_APM_EMULATION)
 684         apm_queue_event(APM_CRITICAL_SUSPEND);
 685 #endif
 686 }
 687
 688 struct da9030_battery_info cm_x300_battery_info = {
 689         .battery_info = &cm_x300_psy_info,
 690
 691         .charge_milliamp = 1000,
 692         .charge_millivolt = 4200,
 693
 694         .vbat_low = 3600,
 695         .vbat_crit = 3400,
 696         .vbat_charge_start = 4100,
 697         .vbat_charge_stop = 4200,
 698         .vbat_charge_restart = 4000,
 699
 700         .vcharge_min = 3200,
 701         .vcharge_max = 5500,
 702
 703         .tbat_low = 197,
 704         .tbat_high = 78,
 705         .tbat_restart = 100,
 706
 707         .batmon_interval = 0,
 708
 709         .battery_low = cm_x300_battery_low,
 710         .battery_critical = cm_x300_battery_critical,
 711 };
 712
 713 static struct regulator_consumer_supply buck2_consumers[] = {
 714         {
 715                 .dev = NULL,
 716                 .supply = "vcc_core",
 717         },
 718 };
 719
 720 static struct regulator_init_data buck2_data = {
 721         .constraints = {
 722                 .min_uV = 1375000,
 723                 .max_uV = 1375000,
 724                 .state_mem = {
 725                         .enabled = 0,
 726                 },
 727                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 728                 .apply_uV = 1,
 729         },
 730         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
 731         .consumer_supplies = buck2_consumers,
 732 };
 733
 734 /* DA9030 */
 735 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 736         {
 737                 .name = "da903x-battery",
 738                 .id = DA9030_ID_BAT,
 739                 .platform_data = &cm_x300_battery_info,
 740         },
 741         {
 742                 .name = "da903x-regulator",
 743                 .id = DA9030_ID_BUCK2,
 744                 .platform_data = &buck2_data,
 745         },
 746 };
 747
 748 static struct da903x_platform_data cm_x300_da9030_info = {
 749         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
 750         .subdevs = cm_x300_da9030_subdevs,
 751 };
 752
 753 static struct i2c_board_info cm_x300_pmic_info = {
 754         I2C_BOARD_INFO("da9030", 0x49),
 755         .irq = IRQ_WAKEUP0,
 756         .platform_data = &cm_x300_da9030_info,
 757 };
 758
 759 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 760         .use_pio = 1,
 761 };
 762
 763 static void __init cm_x300_init_da9030(void)
 764 {
 765         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
 766         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
 767         irq_set_irq_wake(IRQ_WAKEUP0, 1);
 768 }
 769
 770 /* wi2wi gpio setting for system_rev >= 130 */
 771 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
 772         { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
 773         { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
 774 };
 775
 776 static void __init cm_x300_init_wi2wi(void)
 777 {
 778         int bt_reset, wlan_en;
 779         int err;
 780
 781         if (system_rev < 130) {
 782                 cm_x300_wi2wi_gpios[0].gpio = 77;       /* wlan en */
 783                 cm_x300_wi2wi_gpios[1].gpio = 78;       /* bt reset */
 784         }
 785
 786         /* Libertas and CSR reset */
 787         err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 788         if (err) {
 789                 pr_err("failed to request wifi/bt gpios: %d\n", err);
 790                 return;
 791         }
 792
 793         udelay(10);
 794         gpio_set_value(bt_reset, 0);
 795         udelay(10);
 796         gpio_set_value(bt_reset, 1);
 797
 798         gpio_free(wlan_en);
 799         gpio_free(bt_reset);
 800 }
 801
 802 /* MFP */
 803 static void __init cm_x300_init_mfp(void)
 804 {
 805         /* board-processor specific GPIO initialization */
 806         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 807
 808         if (system_rev < 130)
 809                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 810         else
 811                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 812
 813         if (cpu_is_pxa310())
 814                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 815 }
 816
 817 static void __init cm_x300_init(void)
 818 {
 819         cm_x300_init_mfp();
 820
 821         pxa_set_btuart_info(NULL);
 822         pxa_set_stuart_info(NULL);
 823         if (cpu_is_pxa300())
 824                 pxa_set_ffuart_info(NULL);
 825
 826         cm_x300_init_da9030();
 827         cm_x300_init_dm9000();
 828         cm_x300_init_lcd();
 829         cm_x300_init_u2d();
 830         cm_x300_init_ohci();
 831         cm_x300_init_mmc();
 832         cm_x300_init_nand();
 833         cm_x300_init_leds();
 834         cm_x300_init_i2c();
 835         cm_x300_init_spi();
 836         cm_x300_init_rtc();
 837         cm_x300_init_ac97();
 838         cm_x300_init_wi2wi();
 839         cm_x300_init_bl();
 840 }
 841
 842 static void __init cm_x300_fixup(struct tag *tags, char **cmdline,
 843                                  struct meminfo *mi)
 844 {
 845         /* Make sure that mi->bank[0].start = PHYS_ADDR */
 846         for (; tags->hdr.size; tags = tag_next(tags))
 847                 if (tags->hdr.tag == ATAG_MEM &&
 848                         tags->u.mem.start == 0x80000000) {
 849                         tags->u.mem.start = 0xa0000000;
 850                         break;
 851                 }
 852 }
 853
 854 MACHINE_START(CM_X300, "CM-X300 module")
 855         .boot_params    = 0xa0000100,
 856         .map_io         = pxa3xx_map_io,
 857         .init_irq       = pxa3xx_init_irq,
 858         .handle_irq     = pxa3xx_handle_irq,
 859         .timer          = &pxa_timer,
 860         .init_machine   = cm_x300_init,
 861         .fixup          = cm_x300_fixup,
 862 MACHINE_END