arch/arm/mach-pxa/cm-x300.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * linux/arch/arm/mach-pxa/cm-x300.c
   4  *
   5  * Support for the CompuLab CM-X300 modules
   6  *
   7  * Copyright (C) 2008,2009 CompuLab Ltd.
   8  *
   9  * Mike Rapoport <mike@compulab.co.il>
  10  * Igor Grinberg <grinberg@compulab.co.il>
  11  */
  12 #define pr_fmt(fmt) "%s: " fmt, __func__
  13
  14 #include <linux/module.h>
  15 #include <linux/kernel.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/init.h>
  18 #include <linux/delay.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/clk.h>
  21
  22 #include <linux/gpio.h>
  23 #include <linux/gpio/machine.h>
  24 #include <linux/dm9000.h>
  25 #include <linux/leds.h>
  26 #include <linux/platform_data/rtc-v3020.h>
  27 #include <linux/pwm.h>
  28 #include <linux/pwm_backlight.h>
  29
  30 #include <linux/i2c.h>
  31 #include <linux/platform_data/pca953x.h>
  32 #include <linux/platform_data/i2c-pxa.h>
  33
  34 #include <linux/mfd/da903x.h>
  35 #include <linux/regulator/machine.h>
  36 #include <linux/power_supply.h>
  37 #include <linux/apm-emulation.h>
  38
  39 #include <linux/spi/spi.h>
  40 #include <linux/spi/spi_gpio.h>
  41 #include <linux/spi/tdo24m.h>
  42
  43 #include <asm/mach-types.h>
  44 #include <asm/mach/arch.h>
  45 #include <asm/setup.h>
  46 #include <asm/system_info.h>
  47
  48 #include "pxa300.h"
  49 #include "pxa27x-udc.h"
  50 #include <linux/platform_data/video-pxafb.h>
  51 #include <linux/platform_data/mmc-pxamci.h>
  52 #include <linux/platform_data/usb-ohci-pxa27x.h>
  53 #include <linux/platform_data/mtd-nand-pxa3xx.h>
  54 #include <mach/audio.h>
  55 #include <linux/platform_data/usb-pxa3xx-ulpi.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         PXA_GPIO_TO_IRQ(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  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
 233                 .end    = PXA_GPIO_TO_IRQ(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 pwm_lookup cm_x300_pwm_lookup[] = {
 308         PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 10000,
 309                    PWM_POLARITY_NORMAL),
 310 };
 311
 312 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 313         .max_brightness = 100,
 314         .dft_brightness = 100,
 315         .enable_gpio    = -1,
 316 };
 317
 318 static struct platform_device cm_x300_backlight_device = {
 319         .name           = "pwm-backlight",
 320         .dev            = {
 321                 .parent = &pxa27x_device_pwm0.dev,
 322                 .platform_data  = &cm_x300_backlight_data,
 323         },
 324 };
 325
 326 static void cm_x300_init_bl(void)
 327 {
 328         pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
 329         platform_device_register(&cm_x300_backlight_device);
 330 }
 331 #else
 332 static inline void cm_x300_init_bl(void) {}
 333 #endif
 334
 335 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 336 #define GPIO_LCD_BASE   (144)
 337 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 338 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 339 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 340 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 341 #define LCD_SPI_BUS_NUM (1)
 342
 343 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 344         .num_chipselect = 1,
 345 };
 346
 347 static struct platform_device cm_x300_spi_gpio = {
 348         .name           = "spi_gpio",
 349         .id             = LCD_SPI_BUS_NUM,
 350         .dev            = {
 351                 .platform_data  = &cm_x300_spi_gpio_pdata,
 352         },
 353 };
 354
 355 static struct gpiod_lookup_table cm_x300_spi_gpiod_table = {
 356         .dev_id         = "spi_gpio",
 357         .table          = {
 358                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_SCL,
 359                             "sck", GPIO_ACTIVE_HIGH),
 360                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DIN,
 361                             "mosi", GPIO_ACTIVE_HIGH),
 362                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DOUT,
 363                             "miso", GPIO_ACTIVE_HIGH),
 364                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_CS,
 365                             "cs", GPIO_ACTIVE_HIGH),
 366                 { },
 367         },
 368 };
 369
 370 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 371         .model = TDO35S,
 372 };
 373
 374 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 375         {
 376                 .modalias               = "tdo24m",
 377                 .max_speed_hz           = 1000000,
 378                 .bus_num                = LCD_SPI_BUS_NUM,
 379                 .chip_select            = 0,
 380                 .platform_data          = &cm_x300_tdo24m_pdata,
 381         },
 382 };
 383
 384 static void __init cm_x300_init_spi(void)
 385 {
 386         spi_register_board_info(cm_x300_spi_devices,
 387                                 ARRAY_SIZE(cm_x300_spi_devices));
 388         gpiod_add_lookup_table(&cm_x300_spi_gpiod_table);
 389         platform_device_register(&cm_x300_spi_gpio);
 390 }
 391 #else
 392 static inline void cm_x300_init_spi(void) {}
 393 #endif
 394
 395 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 396 static void __init cm_x300_init_ac97(void)
 397 {
 398         pxa_set_ac97_info(NULL);
 399 }
 400 #else
 401 static inline void cm_x300_init_ac97(void) {}
 402 #endif
 403
 404 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
 405 static struct mtd_partition cm_x300_nand_partitions[] = {
 406         [0] = {
 407                 .name        = "OBM",
 408                 .offset      = 0,
 409                 .size        = SZ_256K,
 410                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 411         },
 412         [1] = {
 413                 .name        = "U-Boot",
 414                 .offset      = MTDPART_OFS_APPEND,
 415                 .size        = SZ_256K,
 416                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 417         },
 418         [2] = {
 419                 .name        = "Environment",
 420                 .offset      = MTDPART_OFS_APPEND,
 421                 .size        = SZ_256K,
 422         },
 423         [3] = {
 424                 .name        = "reserved",
 425                 .offset      = MTDPART_OFS_APPEND,
 426                 .size        = SZ_256K + SZ_1M,
 427                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 428         },
 429         [4] = {
 430                 .name        = "kernel",
 431                 .offset      = MTDPART_OFS_APPEND,
 432                 .size        = SZ_4M,
 433         },
 434         [5] = {
 435                 .name        = "fs",
 436                 .offset      = MTDPART_OFS_APPEND,
 437                 .size        = MTDPART_SIZ_FULL,
 438         },
 439 };
 440
 441 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 442         .keep_config    = 1,
 443         .parts          = cm_x300_nand_partitions,
 444         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
 445 };
 446
 447 static void __init cm_x300_init_nand(void)
 448 {
 449         pxa3xx_set_nand_info(&cm_x300_nand_info);
 450 }
 451 #else
 452 static inline void cm_x300_init_nand(void) {}
 453 #endif
 454
 455 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 456 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 457         .detect_delay_ms        = 200,
 458         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 459 };
 460
 461 static struct gpiod_lookup_table cm_x300_mci_gpio_table = {
 462         .dev_id = "pxa2xx-mci.0",
 463         .table = {
 464                 /* Card detect on GPIO 82 */
 465                 GPIO_LOOKUP("gpio-pxa", GPIO82_MMC_IRQ, "cd", GPIO_ACTIVE_LOW),
 466                 /* Write protect on GPIO 85 */
 467                 GPIO_LOOKUP("gpio-pxa", GPIO85_MMC_WP, "wp", GPIO_ACTIVE_LOW),
 468                 { },
 469         },
 470 };
 471
 472 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 473    no detection/ro pins */
 474 static int cm_x300_mci2_init(struct device *dev,
 475                              irq_handler_t cm_x300_detect_int,
 476         void *data)
 477 {
 478         return 0;
 479 }
 480
 481 static void cm_x300_mci2_exit(struct device *dev, void *data)
 482 {
 483 }
 484
 485 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 486         .detect_delay_ms        = 200,
 487         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 488         .init                   = cm_x300_mci2_init,
 489         .exit                   = cm_x300_mci2_exit,
 490 };
 491
 492 static void __init cm_x300_init_mmc(void)
 493 {
 494         gpiod_add_lookup_table(&cm_x300_mci_gpio_table);
 495         pxa_set_mci_info(&cm_x300_mci_platform_data);
 496         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 497 }
 498 #else
 499 static inline void cm_x300_init_mmc(void) {}
 500 #endif
 501
 502 #if defined(CONFIG_PXA310_ULPI)
 503 static struct clk *pout_clk;
 504
 505 static int cm_x300_ulpi_phy_reset(void)
 506 {
 507         int err;
 508
 509         /* reset the PHY */
 510         err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
 511                                "ulpi reset");
 512         if (err) {
 513                 pr_err("failed to request ULPI reset GPIO: %d\n", err);
 514                 return err;
 515         }
 516
 517         msleep(10);
 518         gpio_set_value(GPIO_ULPI_PHY_RST, 1);
 519         msleep(10);
 520
 521         gpio_free(GPIO_ULPI_PHY_RST);
 522
 523         return 0;
 524 }
 525
 526 static int cm_x300_u2d_init(struct device *dev)
 527 {
 528         int err = 0;
 529
 530         if (cpu_is_pxa310()) {
 531                 /* CLK_POUT is connected to the ULPI PHY */
 532                 pout_clk = clk_get(NULL, "CLK_POUT");
 533                 if (IS_ERR(pout_clk)) {
 534                         err = PTR_ERR(pout_clk);
 535                         pr_err("failed to get CLK_POUT: %d\n", err);
 536                         return err;
 537                 }
 538                 clk_prepare_enable(pout_clk);
 539
 540                 err = cm_x300_ulpi_phy_reset();
 541                 if (err) {
 542                         clk_disable(pout_clk);
 543                         clk_put(pout_clk);
 544                 }
 545         }
 546
 547         return err;
 548 }
 549
 550 static void cm_x300_u2d_exit(struct device *dev)
 551 {
 552         if (cpu_is_pxa310()) {
 553                 clk_disable_unprepare(pout_clk);
 554                 clk_put(pout_clk);
 555         }
 556 }
 557
 558 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
 559         .ulpi_mode      = ULPI_SER_6PIN,
 560         .init           = cm_x300_u2d_init,
 561         .exit           = cm_x300_u2d_exit,
 562 };
 563
 564 static void __init cm_x300_init_u2d(void)
 565 {
 566         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 567 }
 568 #else
 569 static inline void cm_x300_init_u2d(void) {}
 570 #endif
 571
 572 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 573 static int cm_x300_ohci_init(struct device *dev)
 574 {
 575         if (cpu_is_pxa300())
 576                 UP2OCR = UP2OCR_HXS
 577                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 578
 579         return 0;
 580 }
 581
 582 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 583         .port_mode      = PMM_PERPORT_MODE,
 584         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 585         .init           = cm_x300_ohci_init,
 586 };
 587
 588 static void __init cm_x300_init_ohci(void)
 589 {
 590         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 591 }
 592 #else
 593 static inline void cm_x300_init_ohci(void) {}
 594 #endif
 595
 596 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 597 static struct gpio_led cm_x300_leds[] = {
 598         [0] = {
 599                 .name = "cm-x300:green",
 600                 .default_trigger = "heartbeat",
 601                 .active_low = 1,
 602         },
 603 };
 604
 605 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 606         .num_leds = ARRAY_SIZE(cm_x300_leds),
 607         .leds = cm_x300_leds,
 608 };
 609
 610 static struct platform_device cm_x300_led_device = {
 611         .name           = "leds-gpio",
 612         .id             = -1,
 613         .dev            = {
 614                 .platform_data = &cm_x300_gpio_led_pdata,
 615         },
 616 };
 617
 618 static void __init cm_x300_init_leds(void)
 619 {
 620         if (system_rev < 130)
 621                 cm_x300_leds[0].gpio = 79;
 622         else
 623                 cm_x300_leds[0].gpio = 76;
 624
 625         platform_device_register(&cm_x300_led_device);
 626 }
 627 #else
 628 static inline void cm_x300_init_leds(void) {}
 629 #endif
 630
 631 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 632 /* PCA9555 */
 633 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 634         .gpio_base = 128,
 635 };
 636
 637 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 638         .gpio_base = 144,
 639 };
 640
 641 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 642         [0] = {
 643                 I2C_BOARD_INFO("pca9555", 0x24),
 644                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 645         },
 646         [1] = {
 647                 I2C_BOARD_INFO("pca9555", 0x25),
 648                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 649         },
 650 };
 651
 652 static void __init cm_x300_init_i2c(void)
 653 {
 654         pxa_set_i2c_info(NULL);
 655         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 656                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 657 }
 658 #else
 659 static inline void cm_x300_init_i2c(void) {}
 660 #endif
 661
 662 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 663 struct v3020_platform_data cm_x300_v3020_pdata = {
 664         .use_gpio       = 1,
 665         .gpio_cs        = GPIO95_RTC_CS,
 666         .gpio_wr        = GPIO96_RTC_WR,
 667         .gpio_rd        = GPIO97_RTC_RD,
 668         .gpio_io        = GPIO98_RTC_IO,
 669 };
 670
 671 static struct platform_device cm_x300_rtc_device = {
 672         .name           = "v3020",
 673         .id             = -1,
 674         .dev            = {
 675                 .platform_data = &cm_x300_v3020_pdata,
 676         }
 677 };
 678
 679 static void __init cm_x300_init_rtc(void)
 680 {
 681         platform_device_register(&cm_x300_rtc_device);
 682 }
 683 #else
 684 static inline void cm_x300_init_rtc(void) {}
 685 #endif
 686
 687 /* Battery */
 688 struct power_supply_info cm_x300_psy_info = {
 689         .name = "battery",
 690         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 691         .voltage_max_design = 4200000,
 692         .voltage_min_design = 3000000,
 693         .use_for_apm = 1,
 694 };
 695
 696 static void cm_x300_battery_low(void)
 697 {
 698 #if defined(CONFIG_APM_EMULATION)
 699         apm_queue_event(APM_LOW_BATTERY);
 700 #endif
 701 }
 702
 703 static void cm_x300_battery_critical(void)
 704 {
 705 #if defined(CONFIG_APM_EMULATION)
 706         apm_queue_event(APM_CRITICAL_SUSPEND);
 707 #endif
 708 }
 709
 710 struct da9030_battery_info cm_x300_battery_info = {
 711         .battery_info = &cm_x300_psy_info,
 712
 713         .charge_milliamp = 1000,
 714         .charge_millivolt = 4200,
 715
 716         .vbat_low = 3600,
 717         .vbat_crit = 3400,
 718         .vbat_charge_start = 4100,
 719         .vbat_charge_stop = 4200,
 720         .vbat_charge_restart = 4000,
 721
 722         .vcharge_min = 3200,
 723         .vcharge_max = 5500,
 724
 725         .tbat_low = 197,
 726         .tbat_high = 78,
 727         .tbat_restart = 100,
 728
 729         .batmon_interval = 0,
 730
 731         .battery_low = cm_x300_battery_low,
 732         .battery_critical = cm_x300_battery_critical,
 733 };
 734
 735 static struct regulator_consumer_supply buck2_consumers[] = {
 736         REGULATOR_SUPPLY("vcc_core", NULL),
 737 };
 738
 739 static struct regulator_init_data buck2_data = {
 740         .constraints = {
 741                 .min_uV = 1375000,
 742                 .max_uV = 1375000,
 743                 .state_mem = {
 744                         .enabled = 0,
 745                 },
 746                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 747                 .apply_uV = 1,
 748         },
 749         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
 750         .consumer_supplies = buck2_consumers,
 751 };
 752
 753 /* DA9030 */
 754 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 755         {
 756                 .name = "da903x-battery",
 757                 .id = DA9030_ID_BAT,
 758                 .platform_data = &cm_x300_battery_info,
 759         },
 760         {
 761                 .name = "da903x-regulator",
 762                 .id = DA9030_ID_BUCK2,
 763                 .platform_data = &buck2_data,
 764         },
 765 };
 766
 767 static struct da903x_platform_data cm_x300_da9030_info = {
 768         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
 769         .subdevs = cm_x300_da9030_subdevs,
 770 };
 771
 772 static struct i2c_board_info cm_x300_pmic_info = {
 773         I2C_BOARD_INFO("da9030", 0x49),
 774         .irq = IRQ_WAKEUP0,
 775         .platform_data = &cm_x300_da9030_info,
 776 };
 777
 778 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 779         .use_pio = 1,
 780 };
 781
 782 static void __init cm_x300_init_da9030(void)
 783 {
 784         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
 785         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
 786         irq_set_irq_wake(IRQ_WAKEUP0, 1);
 787 }
 788
 789 /* wi2wi gpio setting for system_rev >= 130 */
 790 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
 791         { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
 792         { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
 793 };
 794
 795 static void __init cm_x300_init_wi2wi(void)
 796 {
 797         int err;
 798
 799         if (system_rev < 130) {
 800                 cm_x300_wi2wi_gpios[0].gpio = 77;       /* wlan en */
 801                 cm_x300_wi2wi_gpios[1].gpio = 78;       /* bt reset */
 802         }
 803
 804         /* Libertas and CSR reset */
 805         err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 806         if (err) {
 807                 pr_err("failed to request wifi/bt gpios: %d\n", err);
 808                 return;
 809         }
 810
 811         udelay(10);
 812         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
 813         udelay(10);
 814         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
 815
 816         gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 817 }
 818
 819 /* MFP */
 820 static void __init cm_x300_init_mfp(void)
 821 {
 822         /* board-processor specific GPIO initialization */
 823         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 824
 825         if (system_rev < 130)
 826                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 827         else
 828                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 829
 830         if (cpu_is_pxa310())
 831                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 832 }
 833
 834 static void __init cm_x300_init(void)
 835 {
 836         cm_x300_init_mfp();
 837
 838         pxa_set_btuart_info(NULL);
 839         pxa_set_stuart_info(NULL);
 840         if (cpu_is_pxa300())
 841                 pxa_set_ffuart_info(NULL);
 842
 843         cm_x300_init_da9030();
 844         cm_x300_init_dm9000();
 845         cm_x300_init_lcd();
 846         cm_x300_init_u2d();
 847         cm_x300_init_ohci();
 848         cm_x300_init_mmc();
 849         cm_x300_init_nand();
 850         cm_x300_init_leds();
 851         cm_x300_init_i2c();
 852         cm_x300_init_spi();
 853         cm_x300_init_rtc();
 854         cm_x300_init_ac97();
 855         cm_x300_init_wi2wi();
 856         cm_x300_init_bl();
 857
 858         regulator_has_full_constraints();
 859 }
 860
 861 static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
 862 {
 863         /* Make sure that mi->bank[0].start = PHYS_ADDR */
 864         for (; tags->hdr.size; tags = tag_next(tags))
 865                 if (tags->hdr.tag == ATAG_MEM &&
 866                         tags->u.mem.start == 0x80000000) {
 867                         tags->u.mem.start = 0xa0000000;
 868                         break;
 869                 }
 870 }
 871
 872 MACHINE_START(CM_X300, "CM-X300 module")
 873         .atag_offset    = 0x100,
 874         .map_io         = pxa3xx_map_io,
 875         .nr_irqs        = PXA_NR_IRQS,
 876         .init_irq       = pxa3xx_init_irq,
 877         .handle_irq     = pxa3xx_handle_irq,
 878         .init_time      = pxa_timer_init,
 879         .init_machine   = cm_x300_init,
 880         .fixup          = cm_x300_fixup,
 881         .restart        = pxa_restart,
 882 MACHINE_END