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 CompuLab Ltd.
   7  *
   8  * Mike Rapoport <mike@compulab.co.il>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/module.h>
  16 #include <linux/kernel.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/init.h>
  19 #include <linux/platform_device.h>
  20
  21 #include <linux/gpio.h>
  22 #include <linux/dm9000.h>
  23 #include <linux/leds.h>
  24 #include <linux/rtc-v3020.h>
  25
  26 #include <linux/i2c.h>
  27 #include <linux/i2c/pca953x.h>
  28
  29 #include <linux/spi/spi.h>
  30 #include <linux/spi/spi_gpio.h>
  31 #include <linux/spi/tdo24m.h>
  32
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35 #include <asm/setup.h>
  36
  37 #include <mach/pxa300.h>
  38 #include <mach/pxafb.h>
  39 #include <mach/mmc.h>
  40 #include <mach/ohci.h>
  41 #include <plat/i2c.h>
  42 #include <plat/pxa3xx_nand.h>
  43 #include <mach/audio.h>
  44
  45 #include <asm/mach/map.h>
  46
  47 #include "generic.h"
  48
  49 #define CM_X300_ETH_PHYS        0x08000010
  50
  51 #define GPIO82_MMC_IRQ          (82)
  52 #define GPIO85_MMC_WP           (85)
  53
  54 #define CM_X300_MMC_IRQ         IRQ_GPIO(GPIO82_MMC_IRQ)
  55
  56 #define GPIO95_RTC_CS           (95)
  57 #define GPIO96_RTC_WR           (96)
  58 #define GPIO97_RTC_RD           (97)
  59 #define GPIO98_RTC_IO           (98)
  60
  61 static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = {
  62         /* LCD */
  63         GPIO54_LCD_LDD_0,
  64         GPIO55_LCD_LDD_1,
  65         GPIO56_LCD_LDD_2,
  66         GPIO57_LCD_LDD_3,
  67         GPIO58_LCD_LDD_4,
  68         GPIO59_LCD_LDD_5,
  69         GPIO60_LCD_LDD_6,
  70         GPIO61_LCD_LDD_7,
  71         GPIO62_LCD_LDD_8,
  72         GPIO63_LCD_LDD_9,
  73         GPIO64_LCD_LDD_10,
  74         GPIO65_LCD_LDD_11,
  75         GPIO66_LCD_LDD_12,
  76         GPIO67_LCD_LDD_13,
  77         GPIO68_LCD_LDD_14,
  78         GPIO69_LCD_LDD_15,
  79         GPIO72_LCD_FCLK,
  80         GPIO73_LCD_LCLK,
  81         GPIO74_LCD_PCLK,
  82         GPIO75_LCD_BIAS,
  83
  84         /* BTUART */
  85         GPIO111_UART2_RTS,
  86         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
  87         GPIO113_UART2_TXD,
  88         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
  89
  90         /* STUART */
  91         GPIO109_UART3_TXD,
  92         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
  93
  94         /* AC97 */
  95         GPIO23_AC97_nACRESET,
  96         GPIO24_AC97_SYSCLK,
  97         GPIO29_AC97_BITCLK,
  98         GPIO25_AC97_SDATA_IN_0,
  99         GPIO27_AC97_SDATA_OUT,
 100         GPIO28_AC97_SYNC,
 101
 102         /* Keypad */
 103         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
 104         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
 105         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
 106         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
 107         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
 108         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
 109         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
 110         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
 111         GPIO121_KP_MKOUT_0,
 112         GPIO122_KP_MKOUT_1,
 113         GPIO123_KP_MKOUT_2,
 114         GPIO124_KP_MKOUT_3,
 115         GPIO125_KP_MKOUT_4,
 116         GPIO4_2_KP_MKOUT_5,
 117
 118         /* MMC1 */
 119         GPIO3_MMC1_DAT0,
 120         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
 121         GPIO5_MMC1_DAT2,
 122         GPIO6_MMC1_DAT3,
 123         GPIO7_MMC1_CLK,
 124         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
 125
 126         /* MMC2 */
 127         GPIO9_MMC2_DAT0,
 128         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
 129         GPIO11_MMC2_DAT2,
 130         GPIO12_MMC2_DAT3,
 131         GPIO13_MMC2_CLK,
 132         GPIO14_MMC2_CMD,
 133
 134         /* FFUART */
 135         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
 136         GPIO31_UART1_TXD,
 137         GPIO32_UART1_CTS,
 138         GPIO37_UART1_RTS,
 139         GPIO33_UART1_DCD,
 140         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
 141         GPIO35_UART1_RI,
 142         GPIO36_UART1_DTR,
 143
 144         /* GPIOs */
 145         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
 146         GPIO85_GPIO,                    /* MMC WP */
 147         GPIO99_GPIO,                    /* Ethernet IRQ */
 148
 149         /* RTC GPIOs */
 150         GPIO95_GPIO,                    /* RTC CS */
 151         GPIO96_GPIO,                    /* RTC WR */
 152         GPIO97_GPIO,                    /* RTC RD */
 153         GPIO98_GPIO,                    /* RTC IO */
 154
 155         /* Standard I2C */
 156         GPIO21_I2C_SCL,
 157         GPIO22_I2C_SDA,
 158 };
 159
 160 static mfp_cfg_t cm_x300_rev_lt130_mfp_cfg[] __initdata = {
 161         /* GPIOs */
 162         GPIO79_GPIO,                    /* LED */
 163         GPIO77_GPIO,                    /* WiFi reset */
 164         GPIO78_GPIO,                    /* BT reset */
 165 };
 166
 167 static mfp_cfg_t cm_x300_rev_ge130_mfp_cfg[] __initdata = {
 168         /* GPIOs */
 169         GPIO76_GPIO,                    /* LED */
 170         GPIO71_GPIO,                    /* WiFi reset */
 171         GPIO70_GPIO,                    /* BT reset */
 172 };
 173
 174 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 175 static struct resource dm9000_resources[] = {
 176         [0] = {
 177                 .start  = CM_X300_ETH_PHYS,
 178                 .end    = CM_X300_ETH_PHYS + 0x3,
 179                 .flags  = IORESOURCE_MEM,
 180         },
 181         [1] = {
 182                 .start  = CM_X300_ETH_PHYS + 0x4,
 183                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
 184                 .flags  = IORESOURCE_MEM,
 185         },
 186         [2] = {
 187                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 188                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 189                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 190         }
 191 };
 192
 193 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 194         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 195 };
 196
 197 static struct platform_device dm9000_device = {
 198         .name           = "dm9000",
 199         .id             = 0,
 200         .num_resources  = ARRAY_SIZE(dm9000_resources),
 201         .resource       = dm9000_resources,
 202         .dev            = {
 203                 .platform_data = &cm_x300_dm9000_platdata,
 204         }
 205
 206 };
 207
 208 static void __init cm_x300_init_dm9000(void)
 209 {
 210         platform_device_register(&dm9000_device);
 211 }
 212 #else
 213 static inline void cm_x300_init_dm9000(void) {}
 214 #endif
 215
 216 /* LCD */
 217 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 218 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
 219         [0] = {
 220                 .pixclock       = 38250,
 221                 .bpp            = 16,
 222                 .xres           = 480,
 223                 .yres           = 640,
 224                 .hsync_len      = 8,
 225                 .vsync_len      = 2,
 226                 .left_margin    = 8,
 227                 .upper_margin   = 2,
 228                 .right_margin   = 24,
 229                 .lower_margin   = 4,
 230                 .cmap_greyscale = 0,
 231         },
 232         [1] = {
 233                 .pixclock       = 153800,
 234                 .bpp            = 16,
 235                 .xres           = 240,
 236                 .yres           = 320,
 237                 .hsync_len      = 8,
 238                 .vsync_len      = 2,
 239                 .left_margin    = 8,
 240                 .upper_margin   = 2,
 241                 .right_margin   = 88,
 242                 .lower_margin   = 2,
 243                 .cmap_greyscale = 0,
 244         },
 245 };
 246
 247 static struct pxafb_mach_info cm_x300_lcd = {
 248         .modes                  = cm_x300_lcd_modes,
 249         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
 250         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 251 };
 252
 253 static void __init cm_x300_init_lcd(void)
 254 {
 255         set_pxa_fb_info(&cm_x300_lcd);
 256 }
 257 #else
 258 static inline void cm_x300_init_lcd(void) {}
 259 #endif
 260
 261 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 262 #define GPIO_LCD_BASE   (144)
 263 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 264 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 265 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 266 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 267 #define LCD_SPI_BUS_NUM (1)
 268
 269 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 270         .sck            = GPIO_LCD_SCL,
 271         .mosi           = GPIO_LCD_DIN,
 272         .miso           = GPIO_LCD_DOUT,
 273         .num_chipselect = 1,
 274 };
 275
 276 static struct platform_device cm_x300_spi_gpio = {
 277         .name           = "spi_gpio",
 278         .id             = LCD_SPI_BUS_NUM,
 279         .dev            = {
 280                 .platform_data  = &cm_x300_spi_gpio_pdata,
 281         },
 282 };
 283
 284 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 285         .model = TDO35S,
 286 };
 287
 288 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 289         {
 290                 .modalias               = "tdo24m",
 291                 .max_speed_hz           = 1000000,
 292                 .bus_num                = LCD_SPI_BUS_NUM,
 293                 .chip_select            = 0,
 294                 .controller_data        = (void *) GPIO_LCD_CS,
 295                 .platform_data          = &cm_x300_tdo24m_pdata,
 296         },
 297 };
 298
 299 static void __init cm_x300_init_spi(void)
 300 {
 301         spi_register_board_info(cm_x300_spi_devices,
 302                                 ARRAY_SIZE(cm_x300_spi_devices));
 303         platform_device_register(&cm_x300_spi_gpio);
 304 }
 305 #else
 306 static inline void cm_x300_init_spi(void) {}
 307 #endif
 308
 309 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 310 static void __init cm_x300_init_ac97(void)
 311 {
 312         pxa_set_ac97_info(NULL);
 313 }
 314 #else
 315 static inline void cm_x300_init_ac97(void) {}
 316 #endif
 317
 318 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 319 static struct mtd_partition cm_x300_nand_partitions[] = {
 320         [0] = {
 321                 .name        = "OBM",
 322                 .offset      = 0,
 323                 .size        = SZ_256K,
 324                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 325         },
 326         [1] = {
 327                 .name        = "U-Boot",
 328                 .offset      = MTDPART_OFS_APPEND,
 329                 .size        = SZ_256K,
 330                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 331         },
 332         [2] = {
 333                 .name        = "Environment",
 334                 .offset      = MTDPART_OFS_APPEND,
 335                 .size        = SZ_256K,
 336         },
 337         [3] = {
 338                 .name        = "reserved",
 339                 .offset      = MTDPART_OFS_APPEND,
 340                 .size        = SZ_256K + SZ_1M,
 341                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 342         },
 343         [4] = {
 344                 .name        = "kernel",
 345                 .offset      = MTDPART_OFS_APPEND,
 346                 .size        = SZ_4M,
 347         },
 348         [5] = {
 349                 .name        = "fs",
 350                 .offset      = MTDPART_OFS_APPEND,
 351                 .size        = MTDPART_SIZ_FULL,
 352         },
 353 };
 354
 355 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 356         .enable_arbiter = 1,
 357         .keep_config    = 1,
 358         .parts          = cm_x300_nand_partitions,
 359         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
 360 };
 361
 362 static void __init cm_x300_init_nand(void)
 363 {
 364         pxa3xx_set_nand_info(&cm_x300_nand_info);
 365 }
 366 #else
 367 static inline void cm_x300_init_nand(void) {}
 368 #endif
 369
 370 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 371 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 372         .detect_delay           = 20,
 373         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 374         .gpio_card_detect       = GPIO82_MMC_IRQ,
 375         .gpio_card_ro           = GPIO85_MMC_WP,
 376         .gpio_power             = -1,
 377 };
 378
 379 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 380    no detection/ro pins */
 381 static int cm_x300_mci2_init(struct device *dev,
 382                              irq_handler_t cm_x300_detect_int,
 383         void *data)
 384 {
 385         return 0;
 386 }
 387
 388 static void cm_x300_mci2_exit(struct device *dev, void *data)
 389 {
 390 }
 391
 392 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 393         .detect_delay           = 20,
 394         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 395         .init                   = cm_x300_mci2_init,
 396         .exit                   = cm_x300_mci2_exit,
 397         .gpio_card_detect       = -1,
 398         .gpio_card_ro           = -1,
 399         .gpio_power             = -1,
 400 };
 401
 402 static void __init cm_x300_init_mmc(void)
 403 {
 404         pxa_set_mci_info(&cm_x300_mci_platform_data);
 405         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 406 }
 407 #else
 408 static inline void cm_x300_init_mmc(void) {}
 409 #endif
 410
 411 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 412 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 413         .port_mode      = PMM_PERPORT_MODE,
 414         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 415 };
 416
 417 static void __init cm_x300_init_ohci(void)
 418 {
 419         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 420 }
 421 #else
 422 static inline void cm_x300_init_ohci(void) {}
 423 #endif
 424
 425 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 426 static struct gpio_led cm_x300_leds[] = {
 427         [0] = {
 428                 .name = "cm-x300:green",
 429                 .default_trigger = "heartbeat",
 430                 .active_low = 1,
 431         },
 432 };
 433
 434 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 435         .num_leds = ARRAY_SIZE(cm_x300_leds),
 436         .leds = cm_x300_leds,
 437 };
 438
 439 static struct platform_device cm_x300_led_device = {
 440         .name           = "leds-gpio",
 441         .id             = -1,
 442         .dev            = {
 443                 .platform_data = &cm_x300_gpio_led_pdata,
 444         },
 445 };
 446
 447 static void __init cm_x300_init_leds(void)
 448 {
 449         if (system_rev < 130)
 450                 cm_x300_leds[0].gpio = 79;
 451         else
 452                 cm_x300_leds[0].gpio = 76;
 453
 454         platform_device_register(&cm_x300_led_device);
 455 }
 456 #else
 457 static inline void cm_x300_init_leds(void) {}
 458 #endif
 459
 460 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 461 /* PCA9555 */
 462 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 463         .gpio_base = 128,
 464 };
 465
 466 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 467         .gpio_base = 144,
 468 };
 469
 470 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 471         [0] = {
 472                 I2C_BOARD_INFO("pca9555", 0x24),
 473                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 474         },
 475         [1] = {
 476                 I2C_BOARD_INFO("pca9555", 0x25),
 477                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 478         },
 479 };
 480
 481 static void __init cm_x300_init_i2c(void)
 482 {
 483         pxa_set_i2c_info(NULL);
 484         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 485                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 486 }
 487 #else
 488 static inline void cm_x300_init_i2c(void) {}
 489 #endif
 490
 491 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 492 struct v3020_platform_data cm_x300_v3020_pdata = {
 493         .use_gpio       = 1,
 494         .gpio_cs        = GPIO95_RTC_CS,
 495         .gpio_wr        = GPIO96_RTC_WR,
 496         .gpio_rd        = GPIO97_RTC_RD,
 497         .gpio_io        = GPIO98_RTC_IO,
 498 };
 499
 500 static struct platform_device cm_x300_rtc_device = {
 501         .name           = "v3020",
 502         .id             = -1,
 503         .dev            = {
 504                 .platform_data = &cm_x300_v3020_pdata,
 505         }
 506 };
 507
 508 static void __init cm_x300_init_rtc(void)
 509 {
 510         platform_device_register(&cm_x300_rtc_device);
 511 }
 512 #else
 513 static inline void cm_x300_init_rtc(void) {}
 514 #endif
 515
 516 static void __init cm_x300_init_mfp(void)
 517 {
 518         /* board-processor specific GPIO initialization */
 519         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
 520
 521         if (system_rev < 130)
 522                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_rev_lt130_mfp_cfg));
 523         else
 524                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_rev_ge130_mfp_cfg));
 525 }
 526
 527 static void __init cm_x300_init(void)
 528 {
 529         cm_x300_init_mfp();
 530
 531         pxa_set_ffuart_info(NULL);
 532         pxa_set_btuart_info(NULL);
 533         pxa_set_stuart_info(NULL);
 534
 535         cm_x300_init_dm9000();
 536         cm_x300_init_lcd();
 537         cm_x300_init_ohci();
 538         cm_x300_init_mmc();
 539         cm_x300_init_nand();
 540         cm_x300_init_leds();
 541         cm_x300_init_i2c();
 542         cm_x300_init_spi();
 543         cm_x300_init_rtc();
 544         cm_x300_init_ac97();
 545 }
 546
 547 static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
 548                                  char **cmdline, struct meminfo *mi)
 549 {
 550         mi->nr_banks = 2;
 551         mi->bank[0].start = 0xa0000000;
 552         mi->bank[0].node = 0;
 553         mi->bank[0].size = (64*1024*1024);
 554         mi->bank[1].start = 0xc0000000;
 555         mi->bank[1].node = 0;
 556         mi->bank[1].size = (64*1024*1024);
 557 }
 558
 559 MACHINE_START(CM_X300, "CM-X300 module")
 560         .phys_io        = 0x40000000,
 561         .boot_params    = 0xa0000100,
 562         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 563         .map_io         = pxa_map_io,
 564         .init_irq       = pxa3xx_init_irq,
 565         .timer          = &pxa_timer,
 566         .init_machine   = cm_x300_init,
 567         .fixup          = cm_x300_fixup,
 568 MACHINE_END