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 <linux/soc/pxa/cpu.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 <linux/platform_data/asoc-pxa.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
  78 static 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
 180 static 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
 187 static 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
 194 static 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)
 222 static 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
 240 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 241         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 242 };
 243
 244 static 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
 255 static void __init cm_x300_init_dm9000(void)
 256 {
 257         platform_device_register(&dm9000_device);
 258 }
 259 #else
 260 static inline void cm_x300_init_dm9000(void) {}
 261 #endif
 262
 263 /* LCD */
 264 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 265 static 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
 294 static 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
 300 static void __init cm_x300_init_lcd(void)
 301 {
 302         pxa_set_fb_info(NULL, &cm_x300_lcd);
 303 }
 304 #else
 305 static inline void cm_x300_init_lcd(void) {}
 306 #endif
 307
 308 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 309 static 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
 314 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 315         .max_brightness = 100,
 316         .dft_brightness = 100,
 317 };
 318
 319 static struct platform_device cm_x300_backlight_device = {
 320         .name           = "pwm-backlight",
 321         .dev            = {
 322                 .parent = &pxa27x_device_pwm0.dev,
 323                 .platform_data  = &cm_x300_backlight_data,
 324         },
 325 };
 326
 327 static void cm_x300_init_bl(void)
 328 {
 329         pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
 330         platform_device_register(&cm_x300_backlight_device);
 331 }
 332 #else
 333 static inline void cm_x300_init_bl(void) {}
 334 #endif
 335
 336 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 337 #define GPIO_LCD_BASE   (144)
 338 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 339 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 340 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 341 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 342 #define LCD_SPI_BUS_NUM (1)
 343
 344 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 345         .num_chipselect = 1,
 346 };
 347
 348 static struct platform_device cm_x300_spi_gpio = {
 349         .name           = "spi_gpio",
 350         .id             = LCD_SPI_BUS_NUM,
 351         .dev            = {
 352                 .platform_data  = &cm_x300_spi_gpio_pdata,
 353         },
 354 };
 355
 356 static struct gpiod_lookup_table cm_x300_spi_gpiod_table = {
 357         .dev_id         = "spi_gpio",
 358         .table          = {
 359                 GPIO_LOOKUP("pca9555.1", GPIO_LCD_SCL - GPIO_LCD_BASE,
 360                             "sck", GPIO_ACTIVE_HIGH),
 361                 GPIO_LOOKUP("pca9555.1", GPIO_LCD_DIN - GPIO_LCD_BASE,
 362                             "mosi", GPIO_ACTIVE_HIGH),
 363                 GPIO_LOOKUP("pca9555.1", GPIO_LCD_DOUT - GPIO_LCD_BASE,
 364                             "miso", GPIO_ACTIVE_HIGH),
 365                 GPIO_LOOKUP("pca9555.1", GPIO_LCD_CS - GPIO_LCD_BASE,
 366                             "cs", GPIO_ACTIVE_HIGH),
 367                 { },
 368         },
 369 };
 370
 371 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 372         .model = TDO35S,
 373 };
 374
 375 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 376         {
 377                 .modalias               = "tdo24m",
 378                 .max_speed_hz           = 1000000,
 379                 .bus_num                = LCD_SPI_BUS_NUM,
 380                 .chip_select            = 0,
 381                 .platform_data          = &cm_x300_tdo24m_pdata,
 382         },
 383 };
 384
 385 static void __init cm_x300_init_spi(void)
 386 {
 387         spi_register_board_info(cm_x300_spi_devices,
 388                                 ARRAY_SIZE(cm_x300_spi_devices));
 389         gpiod_add_lookup_table(&cm_x300_spi_gpiod_table);
 390         platform_device_register(&cm_x300_spi_gpio);
 391 }
 392 #else
 393 static inline void cm_x300_init_spi(void) {}
 394 #endif
 395
 396 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 397 static void __init cm_x300_init_ac97(void)
 398 {
 399         pxa_set_ac97_info(NULL);
 400 }
 401 #else
 402 static inline void cm_x300_init_ac97(void) {}
 403 #endif
 404
 405 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
 406 static struct mtd_partition cm_x300_nand_partitions[] = {
 407         [0] = {
 408                 .name        = "OBM",
 409                 .offset      = 0,
 410                 .size        = SZ_256K,
 411                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 412         },
 413         [1] = {
 414                 .name        = "U-Boot",
 415                 .offset      = MTDPART_OFS_APPEND,
 416                 .size        = SZ_256K,
 417                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 418         },
 419         [2] = {
 420                 .name        = "Environment",
 421                 .offset      = MTDPART_OFS_APPEND,
 422                 .size        = SZ_256K,
 423         },
 424         [3] = {
 425                 .name        = "reserved",
 426                 .offset      = MTDPART_OFS_APPEND,
 427                 .size        = SZ_256K + SZ_1M,
 428                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 429         },
 430         [4] = {
 431                 .name        = "kernel",
 432                 .offset      = MTDPART_OFS_APPEND,
 433                 .size        = SZ_4M,
 434         },
 435         [5] = {
 436                 .name        = "fs",
 437                 .offset      = MTDPART_OFS_APPEND,
 438                 .size        = MTDPART_SIZ_FULL,
 439         },
 440 };
 441
 442 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 443         .keep_config    = 1,
 444         .parts          = cm_x300_nand_partitions,
 445         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
 446 };
 447
 448 static void __init cm_x300_init_nand(void)
 449 {
 450         pxa3xx_set_nand_info(&cm_x300_nand_info);
 451 }
 452 #else
 453 static inline void cm_x300_init_nand(void) {}
 454 #endif
 455
 456 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 457 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 458         .detect_delay_ms        = 200,
 459         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 460 };
 461
 462 static struct gpiod_lookup_table cm_x300_mci_gpio_table = {
 463         .dev_id = "pxa2xx-mci.0",
 464         .table = {
 465                 /* Card detect on GPIO 82 */
 466                 GPIO_LOOKUP("gpio-pxa", GPIO82_MMC_IRQ, "cd", GPIO_ACTIVE_LOW),
 467                 /* Write protect on GPIO 85 */
 468                 GPIO_LOOKUP("gpio-pxa", GPIO85_MMC_WP, "wp", GPIO_ACTIVE_LOW),
 469                 { },
 470         },
 471 };
 472
 473 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 474    no detection/ro pins */
 475 static int cm_x300_mci2_init(struct device *dev,
 476                              irq_handler_t cm_x300_detect_int,
 477         void *data)
 478 {
 479         return 0;
 480 }
 481
 482 static void cm_x300_mci2_exit(struct device *dev, void *data)
 483 {
 484 }
 485
 486 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 487         .detect_delay_ms        = 200,
 488         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 489         .init                   = cm_x300_mci2_init,
 490         .exit                   = cm_x300_mci2_exit,
 491 };
 492
 493 static void __init cm_x300_init_mmc(void)
 494 {
 495         gpiod_add_lookup_table(&cm_x300_mci_gpio_table);
 496         pxa_set_mci_info(&cm_x300_mci_platform_data);
 497         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 498 }
 499 #else
 500 static inline void cm_x300_init_mmc(void) {}
 501 #endif
 502
 503 #if defined(CONFIG_PXA310_ULPI)
 504 static struct clk *pout_clk;
 505
 506 static int cm_x300_ulpi_phy_reset(void)
 507 {
 508         int err;
 509
 510         /* reset the PHY */
 511         err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
 512                                "ulpi reset");
 513         if (err) {
 514                 pr_err("failed to request ULPI reset GPIO: %d\n", err);
 515                 return err;
 516         }
 517
 518         msleep(10);
 519         gpio_set_value(GPIO_ULPI_PHY_RST, 1);
 520         msleep(10);
 521
 522         gpio_free(GPIO_ULPI_PHY_RST);
 523
 524         return 0;
 525 }
 526
 527 static int cm_x300_u2d_init(struct device *dev)
 528 {
 529         int err = 0;
 530
 531         if (cpu_is_pxa310()) {
 532                 /* CLK_POUT is connected to the ULPI PHY */
 533                 pout_clk = clk_get(NULL, "CLK_POUT");
 534                 if (IS_ERR(pout_clk)) {
 535                         err = PTR_ERR(pout_clk);
 536                         pr_err("failed to get CLK_POUT: %d\n", err);
 537                         return err;
 538                 }
 539                 clk_prepare_enable(pout_clk);
 540
 541                 err = cm_x300_ulpi_phy_reset();
 542                 if (err) {
 543                         clk_disable(pout_clk);
 544                         clk_put(pout_clk);
 545                 }
 546         }
 547
 548         return err;
 549 }
 550
 551 static void cm_x300_u2d_exit(struct device *dev)
 552 {
 553         if (cpu_is_pxa310()) {
 554                 clk_disable_unprepare(pout_clk);
 555                 clk_put(pout_clk);
 556         }
 557 }
 558
 559 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
 560         .ulpi_mode      = ULPI_SER_6PIN,
 561         .init           = cm_x300_u2d_init,
 562         .exit           = cm_x300_u2d_exit,
 563 };
 564
 565 static void __init cm_x300_init_u2d(void)
 566 {
 567         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 568 }
 569 #else
 570 static inline void cm_x300_init_u2d(void) {}
 571 #endif
 572
 573 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 574 static int cm_x300_ohci_init(struct device *dev)
 575 {
 576         if (cpu_is_pxa300())
 577                 UP2OCR = UP2OCR_HXS
 578                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 579
 580         return 0;
 581 }
 582
 583 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 584         .port_mode      = PMM_PERPORT_MODE,
 585         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 586         .init           = cm_x300_ohci_init,
 587 };
 588
 589 static void __init cm_x300_init_ohci(void)
 590 {
 591         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 592 }
 593 #else
 594 static inline void cm_x300_init_ohci(void) {}
 595 #endif
 596
 597 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 598 static struct gpio_led cm_x300_leds[] = {
 599         [0] = {
 600                 .name = "cm-x300:green",
 601                 .default_trigger = "heartbeat",
 602                 .active_low = 1,
 603         },
 604 };
 605
 606 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 607         .num_leds = ARRAY_SIZE(cm_x300_leds),
 608         .leds = cm_x300_leds,
 609 };
 610
 611 static struct platform_device cm_x300_led_device = {
 612         .name           = "leds-gpio",
 613         .id             = -1,
 614         .dev            = {
 615                 .platform_data = &cm_x300_gpio_led_pdata,
 616         },
 617 };
 618
 619 static void __init cm_x300_init_leds(void)
 620 {
 621         if (system_rev < 130)
 622                 cm_x300_leds[0].gpio = 79;
 623         else
 624                 cm_x300_leds[0].gpio = 76;
 625
 626         platform_device_register(&cm_x300_led_device);
 627 }
 628 #else
 629 static inline void cm_x300_init_leds(void) {}
 630 #endif
 631
 632 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 633 /* PCA9555 */
 634 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 635         .gpio_base = 128,
 636 };
 637
 638 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 639         .gpio_base = 144,
 640 };
 641
 642 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 643         [0] = {
 644                 I2C_BOARD_INFO("pca9555", 0x24),
 645                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 646         },
 647         [1] = {
 648                 I2C_BOARD_INFO("pca9555", 0x25),
 649                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 650         },
 651 };
 652
 653 static void __init cm_x300_init_i2c(void)
 654 {
 655         pxa_set_i2c_info(NULL);
 656         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 657                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 658 }
 659 #else
 660 static inline void cm_x300_init_i2c(void) {}
 661 #endif
 662
 663 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 664 struct v3020_platform_data cm_x300_v3020_pdata = {
 665         .use_gpio       = 1,
 666         .gpio_cs        = GPIO95_RTC_CS,
 667         .gpio_wr        = GPIO96_RTC_WR,
 668         .gpio_rd        = GPIO97_RTC_RD,
 669         .gpio_io        = GPIO98_RTC_IO,
 670 };
 671
 672 static struct platform_device cm_x300_rtc_device = {
 673         .name           = "v3020",
 674         .id             = -1,
 675         .dev            = {
 676                 .platform_data = &cm_x300_v3020_pdata,
 677         }
 678 };
 679
 680 static void __init cm_x300_init_rtc(void)
 681 {
 682         platform_device_register(&cm_x300_rtc_device);
 683 }
 684 #else
 685 static inline void cm_x300_init_rtc(void) {}
 686 #endif
 687
 688 /* Battery */
 689 struct power_supply_info cm_x300_psy_info = {
 690         .name = "battery",
 691         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 692         .voltage_max_design = 4200000,
 693         .voltage_min_design = 3000000,
 694         .use_for_apm = 1,
 695 };
 696
 697 static void cm_x300_battery_low(void)
 698 {
 699 #if defined(CONFIG_APM_EMULATION)
 700         apm_queue_event(APM_LOW_BATTERY);
 701 #endif
 702 }
 703
 704 static void cm_x300_battery_critical(void)
 705 {
 706 #if defined(CONFIG_APM_EMULATION)
 707         apm_queue_event(APM_CRITICAL_SUSPEND);
 708 #endif
 709 }
 710
 711 struct da9030_battery_info cm_x300_battery_info = {
 712         .battery_info = &cm_x300_psy_info,
 713
 714         .charge_milliamp = 1000,
 715         .charge_millivolt = 4200,
 716
 717         .vbat_low = 3600,
 718         .vbat_crit = 3400,
 719         .vbat_charge_start = 4100,
 720         .vbat_charge_stop = 4200,
 721         .vbat_charge_restart = 4000,
 722
 723         .vcharge_min = 3200,
 724         .vcharge_max = 5500,
 725
 726         .tbat_low = 197,
 727         .tbat_high = 78,
 728         .tbat_restart = 100,
 729
 730         .batmon_interval = 0,
 731
 732         .battery_low = cm_x300_battery_low,
 733         .battery_critical = cm_x300_battery_critical,
 734 };
 735
 736 static struct regulator_consumer_supply buck2_consumers[] = {
 737         REGULATOR_SUPPLY("vcc_core", NULL),
 738 };
 739
 740 static struct regulator_init_data buck2_data = {
 741         .constraints = {
 742                 .min_uV = 1375000,
 743                 .max_uV = 1375000,
 744                 .state_mem = {
 745                         .enabled = 0,
 746                 },
 747                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 748                 .apply_uV = 1,
 749         },
 750         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
 751         .consumer_supplies = buck2_consumers,
 752 };
 753
 754 /* DA9030 */
 755 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 756         {
 757                 .name = "da903x-battery",
 758                 .id = DA9030_ID_BAT,
 759                 .platform_data = &cm_x300_battery_info,
 760         },
 761         {
 762                 .name = "da903x-regulator",
 763                 .id = DA9030_ID_BUCK2,
 764                 .platform_data = &buck2_data,
 765         },
 766 };
 767
 768 static struct da903x_platform_data cm_x300_da9030_info = {
 769         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
 770         .subdevs = cm_x300_da9030_subdevs,
 771 };
 772
 773 static struct i2c_board_info cm_x300_pmic_info = {
 774         I2C_BOARD_INFO("da9030", 0x49),
 775         .irq = IRQ_WAKEUP0,
 776         .platform_data = &cm_x300_da9030_info,
 777 };
 778
 779 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 780         .use_pio = 1,
 781 };
 782
 783 static void __init cm_x300_init_da9030(void)
 784 {
 785         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
 786         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
 787         irq_set_irq_wake(IRQ_WAKEUP0, 1);
 788 }
 789
 790 /* wi2wi gpio setting for system_rev >= 130 */
 791 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
 792         { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
 793         { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
 794 };
 795
 796 static void __init cm_x300_init_wi2wi(void)
 797 {
 798         int err;
 799
 800         if (system_rev < 130) {
 801                 cm_x300_wi2wi_gpios[0].gpio = 77;       /* wlan en */
 802                 cm_x300_wi2wi_gpios[1].gpio = 78;       /* bt reset */
 803         }
 804
 805         /* Libertas and CSR reset */
 806         err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 807         if (err) {
 808                 pr_err("failed to request wifi/bt gpios: %d\n", err);
 809                 return;
 810         }
 811
 812         udelay(10);
 813         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
 814         udelay(10);
 815         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
 816
 817         gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 818 }
 819
 820 /* MFP */
 821 static void __init cm_x300_init_mfp(void)
 822 {
 823         /* board-processor specific GPIO initialization */
 824         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 825
 826         if (system_rev < 130)
 827                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 828         else
 829                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 830
 831         if (cpu_is_pxa310())
 832                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 833 }
 834
 835 static void __init cm_x300_init(void)
 836 {
 837         cm_x300_init_mfp();
 838
 839         pxa_set_btuart_info(NULL);
 840         pxa_set_stuart_info(NULL);
 841         if (cpu_is_pxa300())
 842                 pxa_set_ffuart_info(NULL);
 843
 844         cm_x300_init_da9030();
 845         cm_x300_init_dm9000();
 846         cm_x300_init_lcd();
 847         cm_x300_init_u2d();
 848         cm_x300_init_ohci();
 849         cm_x300_init_mmc();
 850         cm_x300_init_nand();
 851         cm_x300_init_leds();
 852         cm_x300_init_i2c();
 853         cm_x300_init_spi();
 854         cm_x300_init_rtc();
 855         cm_x300_init_ac97();
 856         cm_x300_init_wi2wi();
 857         cm_x300_init_bl();
 858
 859         regulator_has_full_constraints();
 860 }
 861
 862 static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
 863 {
 864         /* Make sure that mi->bank[0].start = PHYS_ADDR */
 865         for (; tags->hdr.size; tags = tag_next(tags))
 866                 if (tags->hdr.tag == ATAG_MEM &&
 867                         tags->u.mem.start == 0x80000000) {
 868                         tags->u.mem.start = 0xa0000000;
 869                         break;
 870                 }
 871 }
 872
 873 MACHINE_START(CM_X300, "CM-X300 module")
 874         .atag_offset    = 0x100,
 875         .map_io         = pxa3xx_map_io,
 876         .nr_irqs        = PXA_NR_IRQS,
 877         .init_irq       = pxa3xx_init_irq,
 878         .handle_irq     = pxa3xx_handle_irq,
 879         .init_time      = pxa_timer_init,
 880         .init_machine   = cm_x300_init,
 881         .fixup          = cm_x300_fixup,
 882         .restart        = pxa_restart,
 883 MACHINE_END