arch/arm/mach-omap2/board-h4.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-h4.c
   3  *
   4  * Copyright (C) 2005 Nokia Corporation
   5  * Author: Paul Mundt <paul.mundt@nokia.com>
   6  *
   7  * Modified from mach-omap/omap1/board-generic.c
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/mtd/mtd.h>
  18 #include <linux/mtd/partitions.h>
  19 #include <linux/delay.h>
  20 #include <linux/workqueue.h>
  21 #include <linux/input.h>
  22 #include <linux/err.h>
  23 #include <linux/clk.h>
  24 #include <linux/io.h>
  25 #include <linux/i2c.h>
  26 #include <linux/gpio.h>
  27 #include <linux/leds.h>
  28
  29 #include <linux/i2c/at24.h>
  30 #include <linux/i2c/menelaus.h>
  31 #include <linux/i2c/pcf857x.h>
  32
  33 #include <linux/spi/spi.h>
  34 #include <linux/spi/tsc210x.h>
  35
  36 #include <media/v4l2-int-device.h>
  37
  38 #include <mach/hardware.h>
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42 #include <asm/mach/flash.h>
  43
  44 #include <mach/control.h>
  45 #include <mach/mux.h>
  46 #include <mach/usb.h>
  47 #include <mach/irda.h>
  48 #include <mach/board.h>
  49 #include <mach/common.h>
  50 #include <mach/keypad.h>
  51 #include <mach/dma.h>
  52 #include <mach/gpmc.h>
  53
  54 #define H4_FLASH_CS     0
  55 #define H4_SMC91X_CS    1
  56
  57 static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 };
  58 static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 };
  59
  60 static int h4_keymap[] = {
  61         KEY(0, 0, KEY_LEFT),
  62         KEY(0, 1, KEY_RIGHT),
  63         KEY(0, 2, KEY_A),
  64         KEY(0, 3, KEY_B),
  65         KEY(0, 4, KEY_C),
  66         KEY(1, 0, KEY_DOWN),
  67         KEY(1, 1, KEY_UP),
  68         KEY(1, 2, KEY_E),
  69         KEY(1, 3, KEY_F),
  70         KEY(1, 4, KEY_G),
  71         KEY(2, 0, KEY_ENTER),
  72         KEY(2, 1, KEY_I),
  73         KEY(2, 2, KEY_J),
  74         KEY(2, 3, KEY_K),
  75         KEY(2, 4, KEY_3),
  76         KEY(3, 0, KEY_M),
  77         KEY(3, 1, KEY_N),
  78         KEY(3, 2, KEY_O),
  79         KEY(3, 3, KEY_P),
  80         KEY(3, 4, KEY_Q),
  81         KEY(4, 0, KEY_R),
  82         KEY(4, 1, KEY_4),
  83         KEY(4, 2, KEY_T),
  84         KEY(4, 3, KEY_U),
  85         KEY(4, 4, KEY_ENTER),
  86         KEY(5, 0, KEY_V),
  87         KEY(5, 1, KEY_W),
  88         KEY(5, 2, KEY_L),
  89         KEY(5, 3, KEY_S),
  90         KEY(5, 4, KEY_ENTER),
  91         0
  92 };
  93
  94 static struct mtd_partition h4_partitions[] = {
  95         /* bootloader (U-Boot, etc) in first sector */
  96         {
  97               .name             = "bootloader",
  98               .offset           = 0,
  99               .size             = SZ_128K,
 100               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 101         },
 102         /* bootloader params in the next sector */
 103         {
 104               .name             = "params",
 105               .offset           = MTDPART_OFS_APPEND,
 106               .size             = SZ_128K,
 107               .mask_flags       = 0,
 108         },
 109         /* kernel */
 110         {
 111               .name             = "kernel",
 112               .offset           = MTDPART_OFS_APPEND,
 113               .size             = SZ_2M,
 114               .mask_flags       = 0
 115         },
 116         /* file system */
 117         {
 118               .name             = "filesystem",
 119               .offset           = MTDPART_OFS_APPEND,
 120               .size             = MTDPART_SIZ_FULL,
 121               .mask_flags       = 0
 122         }
 123 };
 124
 125 static struct flash_platform_data h4_flash_data = {
 126         .map_name       = "cfi_probe",
 127         .width          = 2,
 128         .parts          = h4_partitions,
 129         .nr_parts       = ARRAY_SIZE(h4_partitions),
 130 };
 131
 132 static struct resource h4_flash_resource = {
 133         .flags          = IORESOURCE_MEM,
 134 };
 135
 136 static struct platform_device h4_flash_device = {
 137         .name           = "omapflash",
 138         .id             = 0,
 139         .dev            = {
 140                 .platform_data  = &h4_flash_data,
 141         },
 142         .num_resources  = 1,
 143         .resource       = &h4_flash_resource,
 144 };
 145
 146 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 147
 148 /* Select between the IrDA and aGPS module */
 149 static int h4_select_irda(struct device *dev, int state)
 150 {
 151         /* U192.P0 = high for IRDA; else AGPS */
 152         gpio_set_value_cansleep(H4_GPIO_IRDA_AGPSn, state & IR_SEL);
 153
 154         /* NOTE:  UART3 can also hook up to a DB9 or to GSM ... */
 155         return 0;
 156 }
 157
 158 static void set_trans_mode(struct work_struct *work)
 159 {
 160         struct omap_irda_config *irda_config =
 161                 container_of(work, struct omap_irda_config, gpio_expa.work);
 162         int mode = irda_config->mode;
 163
 164         /* U191.P0 = low for SIR; else MIR/FIR */
 165         gpio_set_value_cansleep(H4_GPIO_IRDA_FIRSEL, !(mode & IR_SIRMODE));
 166 }
 167
 168 static int h4_transceiver_mode(struct device *dev, int mode)
 169 {
 170         struct omap_irda_config *irda_config = dev->platform_data;
 171
 172         irda_config->mode = mode;
 173         cancel_delayed_work(&irda_config->gpio_expa);
 174         PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
 175         schedule_delayed_work(&irda_config->gpio_expa, 0);
 176
 177         return 0;
 178 }
 179 #else
 180 static int h4_select_irda(struct device *dev, int state) { return 0; }
 181 static int h4_transceiver_mode(struct device *dev, int mode) { return 0; }
 182 #endif
 183
 184 static struct omap_irda_config h4_irda_data = {
 185         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 186         .transceiver_mode       = h4_transceiver_mode,
 187         .select_irda            = h4_select_irda,
 188         .rx_channel             = OMAP24XX_DMA_UART3_RX,
 189         .tx_channel             = OMAP24XX_DMA_UART3_TX,
 190         .dest_start             = OMAP_UART3_BASE,
 191         .src_start              = OMAP_UART3_BASE,
 192         .tx_trigger             = OMAP24XX_DMA_UART3_TX,
 193         .rx_trigger             = OMAP24XX_DMA_UART3_RX,
 194 };
 195
 196 static struct resource h4_irda_resources[] = {
 197         [0] = {
 198                 .start  = INT_24XX_UART3_IRQ,
 199                 .end    = INT_24XX_UART3_IRQ,
 200                 .flags  = IORESOURCE_IRQ,
 201         },
 202 };
 203
 204 static struct platform_device h4_irda_device = {
 205         .name           = "omapirda",
 206         .id             = -1,
 207         .dev            = {
 208                 .platform_data  = &h4_irda_data,
 209         },
 210         .num_resources  = 1,
 211         .resource       = h4_irda_resources,
 212 };
 213
 214 static struct omap_kp_platform_data h4_kp_data = {
 215         .rows           = 6,
 216         .cols           = 7,
 217         .keymap         = h4_keymap,
 218         .keymapsize     = ARRAY_SIZE(h4_keymap),
 219         .rep            = 1,
 220         .row_gpios      = row_gpios,
 221         .col_gpios      = col_gpios,
 222 };
 223
 224 static struct platform_device h4_kp_device = {
 225         .name           = "omap-keypad",
 226         .id             = -1,
 227         .dev            = {
 228                 .platform_data = &h4_kp_data,
 229         },
 230 };
 231
 232 static struct platform_device h4_lcd_device = {
 233         .name           = "lcd_h4",
 234         .id             = -1,
 235 };
 236
 237 static struct platform_device *h4_devices[] __initdata = {
 238         &h4_flash_device,
 239         &h4_irda_device,
 240         &h4_kp_device,
 241         &h4_lcd_device,
 242 };
 243
 244 /* 2420 Sysboot setup (2430 is different) */
 245 static u32 get_sysboot_value(void)
 246 {
 247         return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
 248                 (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK |
 249                  OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK |
 250                  OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK));
 251 }
 252
 253 /* FIXME: This function should be moved to some other file, gpmc.c? */
 254
 255 /* H4-2420's always used muxed mode, H4-2422's always use non-muxed
 256  *
 257  * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
 258  *  correctly.  The macro needs to look at production_id not just hawkeye.
 259  */
 260 static u32 is_gpmc_muxed(void)
 261 {
 262         u32 mux;
 263         mux = get_sysboot_value();
 264         if ((mux & 0xF) == 0xd)
 265                 return 1;       /* NAND config (could be either) */
 266         if (mux & 0x2)          /* if mux'ed */
 267                 return 1;
 268         else
 269                 return 0;
 270 }
 271
 272 static inline void __init h4_init_debug(void)
 273 {
 274         int eth_cs;
 275         unsigned long cs_mem_base;
 276         unsigned int muxed, rate;
 277         struct clk *gpmc_fck;
 278
 279         eth_cs  = H4_SMC91X_CS;
 280
 281         gpmc_fck = clk_get(NULL, "gpmc_fck");   /* Always on ENABLE_ON_INIT */
 282         if (IS_ERR(gpmc_fck)) {
 283                 WARN_ON(1);
 284                 return;
 285         }
 286
 287         clk_enable(gpmc_fck);
 288         rate = clk_get_rate(gpmc_fck);
 289         clk_disable(gpmc_fck);
 290         clk_put(gpmc_fck);
 291
 292         if (is_gpmc_muxed())
 293                 muxed = 0x200;
 294         else
 295                 muxed = 0;
 296
 297         /* Make sure CS1 timings are correct */
 298         gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
 299                           0x00011000 | muxed);
 300
 301         if (rate >= 160000000) {
 302                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
 303                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
 304                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
 305                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
 306                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
 307         } else if (rate >= 130000000) {
 308                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
 309                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
 310                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
 311                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
 312                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
 313         } else {/* rate = 100000000 */
 314                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
 315                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
 316                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
 317                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
 318                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
 319         }
 320
 321         if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
 322                 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
 323                 goto out;
 324         }
 325
 326         udelay(100);
 327
 328         omap_cfg_reg(M15_24XX_GPIO92);
 329         if (debug_card_init(cs_mem_base, OMAP24XX_ETHR_GPIO_IRQ) < 0)
 330                 gpmc_cs_free(eth_cs);
 331
 332 out:
 333         clk_disable(gpmc_fck);
 334         clk_put(gpmc_fck);
 335 }
 336
 337 static void __init h4_init_flash(void)
 338 {
 339         unsigned long base;
 340
 341         if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
 342                 printk("Can't request GPMC CS for flash\n");
 343                 return;
 344         }
 345         h4_flash_resource.start = base;
 346         h4_flash_resource.end   = base + SZ_64M - 1;
 347 }
 348
 349 static void __init omap_h4_init_irq(void)
 350 {
 351         omap2_init_common_hw(NULL);
 352         omap_init_irq();
 353         omap_gpio_init();
 354         h4_init_flash();
 355 }
 356
 357 static struct omap_uart_config h4_uart_config __initdata = {
 358 #ifdef  CONFIG_MACH_OMAP2_H4_USB1
 359         .enabled_uarts = ((1 << 0) | (1 << 1)),
 360 #else
 361         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 362 #endif
 363 };
 364
 365 static struct omap_lcd_config h4_lcd_config __initdata = {
 366         .ctrl_name      = "internal",
 367 };
 368
 369 static struct omap_usb_config h4_usb_config __initdata = {
 370 #ifdef  CONFIG_MACH_OMAP2_H4_USB1
 371         /* NOTE:  usb1 could also be used with 3 wire signaling */
 372         .pins[1]        = 4,
 373 #endif
 374
 375 #ifdef  CONFIG_MACH_OMAP_H4_OTG
 376         /* S1.10 ON -- USB OTG port
 377          * usb0 switched to Mini-AB port and isp1301 transceiver;
 378          * S2.POS3 = OFF, S2.POS4 = ON ... to allow battery charging
 379          */
 380         .otg            = 1,
 381         .pins[0]        = 4,
 382 #ifdef  CONFIG_USB_GADGET_OMAP
 383         /* use OTG cable, or standard A-to-MiniB */
 384         .hmc_mode       = 0x14, /* 0:dev/otg 1:host 2:disable */
 385 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 386         /* use OTG cable, or NONSTANDARD (B-to-MiniB) */
 387         .hmc_mode       = 0x11, /* 0:host 1:host 2:disable */
 388 #endif  /* XX */
 389
 390 #else
 391         /* S1.10 OFF -- usb "download port"
 392          * usb0 switched to Mini-B port and isp1105 transceiver;
 393          * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging
 394          */
 395         .register_dev   = 1,
 396         .pins[0]        = 3,
 397 /*      .hmc_mode       = 0x14,*/       /* 0:dev 1:host 2:disable */
 398         .hmc_mode       = 0x00,         /* 0:dev|otg 1:disable 2:disable */
 399 #endif
 400 };
 401
 402 /* ----------------------------------------------------------------------- */
 403
 404 static struct tsc210x_config tsc_platform_data = {
 405         .use_internal           = 1,
 406         .monitor                = TSC_VBAT | TSC_TEMP,
 407         /* REVISIT temp calibration data -- board-specific; from EEPROM? */
 408         .mclk                   = "sys_clkout",
 409 };
 410
 411 static struct spi_board_info h4_spi_board_info[] __initdata = {
 412         {
 413                 .modalias       = "tsc2101",
 414                 .bus_num        = 1,
 415                 .chip_select    = 0,
 416                 .mode           = SPI_MODE_1,
 417                 .irq            = OMAP_GPIO_IRQ(93),
 418                 .max_speed_hz   = 16000000,
 419                 .platform_data  = &tsc_platform_data,
 420         },
 421
 422         /* nCS1 -- to lcd board, but unused
 423          * nCS2 -- to WLAN/miniPCI
 424          */
 425 };
 426
 427 /* ----------------------------------------------------------------------- */
 428
 429 static struct omap_board_config_kernel h4_config[] __initdata = {
 430         { OMAP_TAG_UART,        &h4_uart_config },
 431         { OMAP_TAG_LCD,         &h4_lcd_config },
 432 };
 433
 434 #ifdef  CONFIG_MACH_OMAP_H4_TUSB
 435
 436 #include <linux/usb/musb.h>
 437
 438 static struct musb_hdrc_platform_data tusb_data = {
 439         .mode           = MUSB_OTG,
 440         .min_power      = 25,   /* x2 = 50 mA drawn from VBUS as peripheral */
 441
 442         /* 1.8V supplied by Menelaus, other voltages supplied by VBAT;
 443          * so no switching.
 444          */
 445 };
 446
 447 static void __init tusb_evm_setup(void)
 448 {
 449         static char     announce[] __initdata =
 450                                 KERN_INFO "TUSB 6010 EVM\n";
 451         int             irq;
 452         unsigned        dmachan = 0;
 453
 454         /* There are at least 32 different combinations of boards that
 455          * are loosely called "H4", with a 2420 ... different OMAP chip
 456          * revisions (with pin mux changes for DMAREQ, GPMC errata, etc),
 457          * modifications of the CPU board, mainboard, EVM, TUSB etc.
 458          * Plus omap2422, omap2423, etc.
 459          *
 460          * So you might need to tweak this setup to make the TUSB EVM
 461          * behave on your particular setup ...
 462          */
 463
 464         /* Already set up:  GPMC AD[0..15], CLK, nOE, nWE, nADV_ALE */
 465         omap_cfg_reg(E2_GPMC_NCS2);
 466         omap_cfg_reg(L2_GPMC_NCS7);
 467         omap_cfg_reg(M1_GPMC_WAIT2);
 468
 469         switch ((omap_rev() >> 8) & 0x0f) {
 470         case 0:         /* ES 1.0 */
 471         case 1:         /* ES 2.0 */
 472                 /* Assume early board revision without optional ES2.0
 473                  * rework to swap J15 & AA10 so DMAREQ0 works
 474                  */
 475                 omap_cfg_reg(AA10_242X_GPIO13);
 476                 irq = 13;
 477                 /* omap_cfg_reg(J15_24XX_DMAREQ0); */
 478                 break;
 479         default:
 480                 /* Later Menelaus boards can support all 6 DMA request
 481                  * lines, at the price of boot flash A23-A26.
 482                  */
 483                 omap_cfg_reg(J15_24XX_GPIO99);
 484                 irq = 99;
 485                 dmachan = (1 << 1) | (1 << 0);
 486 #if !(defined(CONFIG_MTD_OMAP_NOR) || defined(CONFIG_MTD_OMAP_NOR_MODULE))
 487                 dmachan |= (1 << 5) | (1 << 4) (1 << 3) | (1 << 2);
 488 #endif
 489                 break;
 490         }
 491
 492         if (tusb6010_setup_interface(&tusb_data,
 493                         TUSB6010_REFCLK_24, /* waitpin */ 2,
 494                         /* async cs */ 2, /* sync cs */ 7,
 495                         irq, dmachan) == 0)
 496                 printk(announce);
 497 }
 498
 499 #endif
 500
 501 #if defined(CONFIG_VIDEO_OV9640) || defined(CONFIG_VIDEO_OV9640_MODULE)
 502 /*
 503  * Common OV9640 register initialization for all image sizes, pixel formats,
 504  * and frame rates
 505  */
 506 const static struct ov9640_reg ov9640_common[] = {
 507         { 0x12, 0x80 }, { 0x11, 0x80 }, { 0x13, 0x8F }, /* COM7, CLKRC, COM8 */
 508         { 0x01, 0x80 }, { 0x02, 0x80 }, { 0x04, 0x00 }, /* BLUE, RED, COM1 */
 509         { 0x0E, 0x81 }, { 0x0F, 0x4F }, { 0x14, 0x4A }, /* COM5, COM6, COM9 */
 510         { 0x16, 0x02 }, { 0x1B, 0x01 }, { 0x24, 0x70 }, /* ?, PSHFT, AEW */
 511         { 0x25, 0x68 }, { 0x26, 0xD3 }, { 0x27, 0x90 }, /* AEB, VPT, BBIAS */
 512         { 0x2A, 0x00 }, { 0x2B, 0x00 }, { 0x32, 0x24 }, /* EXHCH, EXHCL, HREF */
 513         { 0x33, 0x02 }, { 0x37, 0x02 }, { 0x38, 0x13 }, /* CHLF, ADC, ACOM */
 514         { 0x39, 0xF0 }, { 0x3A, 0x00 }, { 0x3B, 0x01 }, /* OFON, TSLB, COM11 */
 515         { 0x3D, 0x90 }, { 0x3E, 0x02 }, { 0x3F, 0xF2 }, /* COM13, COM14, EDGE */
 516         { 0x41, 0x02 }, { 0x42, 0xC8 },         /* COM16, COM17 */
 517         { 0x43, 0xF0 }, { 0x44, 0x10 }, { 0x45, 0x6C }, /* ?, ?, ? */
 518         { 0x46, 0x6C }, { 0x47, 0x44 }, { 0x48, 0x44 }, /* ?, ?, ? */
 519         { 0x49, 0x03 }, { 0x59, 0x49 }, { 0x5A, 0x94 }, /* ?, ?, ? */
 520         { 0x5B, 0x46 }, { 0x5C, 0x84 }, { 0x5D, 0x5C }, /* ?, ?, ? */
 521         { 0x5E, 0x08 }, { 0x5F, 0x00 }, { 0x60, 0x14 }, /* ?, ?, ? */
 522         { 0x61, 0xCE },                                 /* ? */
 523         { 0x62, 0x70 }, { 0x63, 0x00 }, { 0x64, 0x04 }, /* LCC1, LCC2, LCC3 */
 524         { 0x65, 0x00 }, { 0x66, 0x00 },                 /* LCC4, LCC5 */
 525         { 0x69, 0x00 }, { 0x6A, 0x3E }, { 0x6B, 0x3F }, /* HV, MBD, DBLV */
 526         { 0x6C, 0x40 }, { 0x6D, 0x30 }, { 0x6E, 0x4B }, /* GSP1, GSP2, GSP3 */
 527         { 0x6F, 0x60 }, { 0x70, 0x70 }, { 0x71, 0x70 }, /* GSP4, GSP5, GSP6 */
 528         { 0x72, 0x70 }, { 0x73, 0x70 }, { 0x74, 0x60 }, /* GSP7, GSP8, GSP9 */
 529         { 0x75, 0x60 }, { 0x76, 0x50 }, { 0x77, 0x48 }, /* GSP10,GSP11,GSP12 */
 530         { 0x78, 0x3A }, { 0x79, 0x2E }, { 0x7A, 0x28 }, /* GSP13,GSP14,GSP15 */
 531         { 0x7B, 0x22 }, { 0x7C, 0x04 }, { 0x7D, 0x07 }, /* GSP16,GST1, GST2 */
 532         { 0x7E, 0x10 }, { 0x7F, 0x28 }, { 0x80, 0x36 }, /* GST3, GST4, GST5 */
 533         { 0x81, 0x44 }, { 0x82, 0x52 }, { 0x83, 0x60 }, /* GST6, GST7, GST8 */
 534         { 0x84, 0x6C }, { 0x85, 0x78 }, { 0x86, 0x8C }, /* GST9, GST10,GST11 */
 535         { 0x87, 0x9E }, { 0x88, 0xBB }, { 0x89, 0xD2 }, /* GST12,GST13,GST14 */
 536         { 0x8A, 0xE6 }, { 0x13, 0x8F }, { 0x00, 0x7F }, /* GST15, COM8 */
 537         { OV9640_REG_TERM, OV9640_VAL_TERM }
 538 };
 539
 540 static int ov9640_sensor_power_set(int power)
 541 {
 542         /* power up the sensor? */
 543         gpio_set_value_cansleep(H4_GPIO_CAM_MODULE_EN, power);
 544
 545         /* take it out of reset if it's not powered */
 546         gpio_direction_output(H4_GPIO_CAM_RST, !power);
 547
 548         return 0;
 549 }
 550
 551 static struct v4l2_ifparm ifparm = {
 552         .if_type = V4L2_IF_TYPE_BT656,
 553         .u = {
 554                 .bt656 = {
 555                          .frame_start_on_rising_vs = 1,
 556                          .nobt_vs_inv = 1,
 557                          .mode = V4L2_IF_TYPE_BT656_MODE_NOBT_8BIT,
 558                          .clock_min = OV9640_XCLK_MIN,
 559                          .clock_max = OV9640_XCLK_MAX,
 560                  },
 561         },
 562 };
 563
 564 static int ov9640_ifparm(struct v4l2_ifparm *p)
 565 {
 566         *p = ifparm;
 567
 568         return 0;
 569 }
 570
 571 static struct ov9640_platform_data h4_ov9640_platform_data = {
 572         .power_set      = ov9640_sensor_power_set,
 573         .default_regs   = ov9640_common,
 574         .ifparm         = ov9640_ifparm,
 575 };
 576
 577 #endif
 578
 579 /* leave LCD powered off unless it will be used */
 580 #if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
 581 #define LCD_ENABLED             true
 582 #else
 583 #define LCD_ENABLED             false
 584 #endif
 585
 586 static struct gpio_led backlight_leds[] = {
 587         {
 588                 .name                   = "lcd_h4",
 589                 .default_trigger        = "backlight",
 590                 .gpio                   = H4_GPIO_LCD_ENBKL,
 591         },
 592         { },
 593 };
 594
 595 static struct gpio_led_platform_data backlight_led_data = {
 596         .num_leds               = 1,
 597         .leds                   = backlight_leds,
 598 };
 599
 600 static struct platform_device h4_backlight_device = {
 601         .name                   = "leds-gpio",
 602         .id                     = 0,
 603         .dev.platform_data      = &backlight_led_data,
 604 };
 605
 606 static int
 607 u191_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *context)
 608 {
 609         /* P0 = IRDA control, FIR/MIR vs SIR */
 610         gpio_request(H4_GPIO_IRDA_FIRSEL, "irda_firsel");
 611         gpio_direction_output(H4_GPIO_IRDA_FIRSEL, false);
 612
 613         /* P3 = camera sensor module PWDN */
 614         gpio_request(H4_GPIO_CAM_MODULE_EN, "camera_en");
 615         gpio_direction_output(H4_GPIO_CAM_MODULE_EN, false);
 616
 617         /* P7 = LCD_ENVDD ... controls power to LCD (including backlight)
 618          * P5 = LCD_ENBKL ... switches backlight
 619          */
 620         gpio_request(H4_GPIO_LCD_ENVDD, "lcd_power");
 621         gpio_direction_output(H4_GPIO_LCD_ENVDD, LCD_ENABLED);
 622         if (LCD_ENABLED) {
 623                 h4_backlight_device.dev.parent = &client->dev;
 624                 platform_device_register(&h4_backlight_device);
 625         }
 626
 627         /* P6 = AUDIO_ENVDD ... switch power to microphone */
 628         gpio_request(H4_GPIO_AUDIO_ENVDD, "audio_power");
 629         gpio_direction_output(H4_GPIO_AUDIO_ENVDD, true);
 630
 631         return 0;
 632 }
 633
 634
 635 static struct pcf857x_platform_data u191_platform_data = {
 636         .gpio_base      = H4_U191_GPIO_BASE,
 637         .setup          = u191_setup,
 638 };
 639
 640 static int
 641 u192_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *context)
 642 {
 643         gpio_request(H4_GPIO_IRDA_AGPSn, "irda/agps");
 644         gpio_direction_output(H4_GPIO_IRDA_AGPSn, false);
 645
 646         return 0;
 647 }
 648
 649 static struct pcf857x_platform_data u192_platform_data = {
 650         .gpio_base      = H4_U192_GPIO_BASE,
 651         .setup          = u192_setup,
 652 };
 653
 654 static int
 655 u193_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *context)
 656 {
 657         /* reset sensor */
 658         gpio_request(H4_GPIO_CAM_RST, "camera_rst");
 659         gpio_direction_output(H4_GPIO_CAM_RST, true);
 660
 661         return 0;
 662 }
 663
 664 static struct pcf857x_platform_data u193_platform_data = {
 665         .gpio_base      = H4_U193_GPIO_BASE,
 666         .setup          = u193_setup,
 667 };
 668
 669 static struct at24_platform_data m24c01 = {
 670         .byte_len       = SZ_1K / 8,
 671         .page_size      = 16,
 672 };
 673
 674 static struct i2c_board_info __initdata h4_i2c_board_info[] = {
 675         {       /* U191 gpios */
 676                 I2C_BOARD_INFO("pcf8574", 0x20),
 677                 .platform_data  = &u191_platform_data,
 678         },
 679         {       /* U192 gpios */
 680                 I2C_BOARD_INFO("pcf8574", 0x21),
 681                 .platform_data  = &u192_platform_data,
 682         },
 683         {       /* U193 gpios */
 684                 I2C_BOARD_INFO("pcf8574", 0x22),
 685                 .platform_data  = &u193_platform_data,
 686         },
 687         {
 688                 I2C_BOARD_INFO("rv5c387a", 0x32),
 689                 /* no IRQ wired to OMAP; nINTB goes to AGPS */
 690         },
 691         {
 692                 I2C_BOARD_INFO("menelaus", 0x72),
 693                 .irq = INT_24XX_SYS_NIRQ,
 694         },
 695         {
 696                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 697                 .irq            = OMAP_GPIO_IRQ(125),
 698         },
 699 #if defined(CONFIG_VIDEO_OV9640) || defined(CONFIG_VIDEO_OV9640_MODULE)
 700         {
 701                 I2C_BOARD_INFO("ov9640", 0x30),
 702                 .platform_data = &h4_ov9640_platform_data,
 703         },
 704 #endif
 705         {       /* EEPROM on mainboard */
 706                 I2C_BOARD_INFO("24c01", 0x52),
 707                 .platform_data  = &m24c01,
 708         },
 709         {       /* EEPROM on cpu card */
 710                 I2C_BOARD_INFO("24c01", 0x57),
 711                 .platform_data  = &m24c01,
 712         },
 713 };
 714
 715 static void __init omap_h4_init(void)
 716 {
 717         /*
 718          * Make sure the serial ports are muxed on at this point.
 719          * You have to mux them off in device drivers later on
 720          * if not needed.
 721          */
 722 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 723         omap_cfg_reg(K15_24XX_UART3_TX);
 724         omap_cfg_reg(K14_24XX_UART3_RX);
 725 #endif
 726
 727 #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
 728         if (omap_has_menelaus()) {
 729                 row_gpios[5] = 0;
 730                 col_gpios[2] = 15;
 731                 col_gpios[6] = 18;
 732         }
 733 #endif
 734
 735 #ifdef  CONFIG_MACH_OMAP2_H4_USB1
 736         /* S3.3 controls whether these pins are for UART2 or USB1 */
 737         omap_cfg_reg(N14_24XX_USB1_SE0);
 738         omap_cfg_reg(P15_24XX_USB1_DAT);
 739         omap_cfg_reg(W20_24XX_USB1_TXEN);
 740         omap_cfg_reg(V19_24XX_USB1_RCV);
 741 #endif
 742
 743         /* Menelaus interrupt */
 744         omap_cfg_reg(W19_24XX_SYS_NIRQ);
 745
 746         platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
 747         omap_board_config = h4_config;
 748         omap_board_config_size = ARRAY_SIZE(h4_config);
 749         omap_serial_init();
 750         omap_usb_init(&h4_usb_config);
 751         h4_mmc_init();
 752         omap_register_i2c_bus(1, 100, h4_i2c_board_info,
 753                               ARRAY_SIZE(h4_i2c_board_info));
 754
 755         /* smc91x, debug leds, ps/2, extra uarts */
 756         h4_init_debug();
 757
 758 #ifdef  CONFIG_MACH_OMAP_H4_TUSB
 759         tusb_evm_setup();
 760 #endif
 761
 762         /* defaults seem ok for:
 763          * omap_cfg_reg(U18_24XX_SPI1_SCK);
 764          * omap_cfg_reg(V20_24XX_SPI1_MOSI);
 765          * omap_cfg_reg(T18_24XX_SPI1_MISO);
 766          * omap_cfg_reg(U19_24XX_SPI1_NCS0);
 767          */
 768
 769         /* TSC2101 */
 770         omap_cfg_reg(P20_24XX_GPIO93);
 771         gpio_request(93, "tsc_irq");
 772         gpio_direction_input(93);
 773
 774         omap_cfg_reg(W14_24XX_SYS_CLKOUT);      /* mclk */
 775         /* defaults seem ok for:
 776          * omap_cfg_reg(Y15_EAC_AC_SCLK);       // bclk
 777          * omap_cfg_reg(R14_EAC_AC_FS);
 778          * omap_cfg_reg(V15_EAC_AC_DOUT);
 779          * omap_cfg_reg(W15_EAC_AC_DIN);
 780          */
 781
 782         spi_register_board_info(h4_spi_board_info,
 783                                 ARRAY_SIZE(h4_spi_board_info));
 784 }
 785
 786 static void __init omap_h4_map_io(void)
 787 {
 788         omap2_set_globals_242x();
 789         omap2_map_common_io();
 790 }
 791
 792 MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
 793         /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
 794         .phys_io        = 0x48000000,
 795         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 796         .boot_params    = 0x80000100,
 797         .map_io         = omap_h4_map_io,
 798         .init_irq       = omap_h4_init_irq,
 799         .init_machine   = omap_h4_init,
 800         .timer          = &omap_timer,
 801 MACHINE_END