arch/arm/mach-shmobile/board-ap4evb.c

   1 /*
   2  * AP4EVB board support
   3  *
   4  * Copyright (C) 2010  Magnus Damm
   5  * Copyright (C) 2008  Yoshihiro Shimoda
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20 #include <linux/clk.h>
  21 #include <linux/kernel.h>
  22 #include <linux/init.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/irq.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/delay.h>
  27 #include <linux/mfd/sh_mobile_sdhi.h>
  28 #include <linux/mfd/tmio.h>
  29 #include <linux/mmc/host.h>
  30 #include <linux/mtd/mtd.h>
  31 #include <linux/mtd/partitions.h>
  32 #include <linux/mtd/physmap.h>
  33 #include <linux/mmc/host.h>
  34 #include <linux/mmc/sh_mmcif.h>
  35 #include <linux/i2c.h>
  36 #include <linux/i2c/tsc2007.h>
  37 #include <linux/io.h>
  38 #include <linux/smsc911x.h>
  39 #include <linux/sh_intc.h>
  40 #include <linux/sh_clk.h>
  41 #include <linux/gpio.h>
  42 #include <linux/input.h>
  43 #include <linux/leds.h>
  44 #include <linux/input/sh_keysc.h>
  45 #include <linux/usb/r8a66597.h>
  46
  47 #include <sound/sh_fsi.h>
  48
  49 #include <video/sh_mobile_hdmi.h>
  50 #include <video/sh_mobile_lcdc.h>
  51 #include <video/sh_mipi_dsi.h>
  52
  53 #include <mach/common.h>
  54 #include <mach/irqs.h>
  55 #include <mach/sh7372.h>
  56
  57 #include <asm/mach-types.h>
  58 #include <asm/mach/arch.h>
  59 #include <asm/mach/map.h>
  60 #include <asm/mach/time.h>
  61
  62 /*
  63  * Address      Interface               BusWidth        note
  64  * ------------------------------------------------------------------
  65  * 0x0000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = ON
  66  * 0x0800_0000  user area               -
  67  * 0x1000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = OFF
  68  * 0x1400_0000  Ether (LAN9220)         16bit
  69  * 0x1600_0000  user area               -               cannot use with NAND
  70  * 0x1800_0000  user area               -
  71  * 0x1A00_0000  -
  72  * 0x4000_0000  LPDDR2-SDRAM (POP)      32bit
  73  */
  74
  75 /*
  76  * NOR Flash ROM
  77  *
  78  *  SW1  |     SW2    | SW7  | NOR Flash ROM
  79  *  bit1 | bit1  bit2 | bit1 | Memory allocation
  80  * ------+------------+------+------------------
  81  *  OFF  | ON     OFF | ON   |    Area 0
  82  *  OFF  | ON     OFF | OFF  |    Area 4
  83  */
  84
  85 /*
  86  * NAND Flash ROM
  87  *
  88  *  SW1  |     SW2    | SW7  | NAND Flash ROM
  89  *  bit1 | bit1  bit2 | bit2 | Memory allocation
  90  * ------+------------+------+------------------
  91  *  OFF  | ON     OFF | ON   |    FCE 0
  92  *  OFF  | ON     OFF | OFF  |    FCE 1
  93  */
  94
  95 /*
  96  * SMSC 9220
  97  *
  98  *  SW1         SMSC 9220
  99  * -----------------------
 100  *  ON          access disable
 101  *  OFF         access enable
 102  */
 103
 104 /*
 105  * LCD / IRQ / KEYSC / IrDA
 106  *
 107  * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
 108  * LCD = 2nd LCDC (WVGA)
 109  *
 110  *              |               SW43                    |
 111  * SW3          |       ON              |       OFF     |
 112  * -------------+-----------------------+---------------+
 113  * ON           | KEY / IrDA            | LCD           |
 114  * OFF          | KEY / IrDA / IRQ      | IRQ           |
 115  *
 116  *
 117  * QHD / WVGA display
 118  *
 119  * You can choice display type on menuconfig.
 120  * Then, check above dip-switch.
 121  */
 122
 123 /*
 124  * USB
 125  *
 126  * J7 : 1-2  MAX3355E VBUS
 127  *      2-3  DC 5.0V
 128  *
 129  * S39: bit2: off
 130  */
 131
 132 /*
 133  * FSI/FSMI
 134  *
 135  * SW41 :  ON : SH-Mobile AP4 Audio Mode
 136  *      : OFF : Bluetooth Audio Mode
 137  */
 138
 139 /*
 140  * MMC0/SDHI1 (CN7)
 141  *
 142  * J22 : select card voltage
 143  *       1-2 pin : 1.8v
 144  *       2-3 pin : 3.3v
 145  *
 146  *        SW1  |             SW33
 147  *             | bit1 | bit2 | bit3 | bit4
 148  * ------------+------+------+------+-------
 149  * MMC0   OFF  |  OFF |  ON  |  ON  |  X
 150  * SDHI1  OFF  |  ON  |   X  |  OFF | ON
 151  *
 152  * voltage lebel
 153  * CN7 : 1.8v
 154  * CN12: 3.3v
 155  */
 156
 157 /* MTD */
 158 static struct mtd_partition nor_flash_partitions[] = {
 159         {
 160                 .name           = "loader",
 161                 .offset         = 0x00000000,
 162                 .size           = 512 * 1024,
 163         },
 164         {
 165                 .name           = "bootenv",
 166                 .offset         = MTDPART_OFS_APPEND,
 167                 .size           = 512 * 1024,
 168         },
 169         {
 170                 .name           = "kernel_ro",
 171                 .offset         = MTDPART_OFS_APPEND,
 172                 .size           = 8 * 1024 * 1024,
 173                 .mask_flags     = MTD_WRITEABLE,
 174         },
 175         {
 176                 .name           = "kernel",
 177                 .offset         = MTDPART_OFS_APPEND,
 178                 .size           = 8 * 1024 * 1024,
 179         },
 180         {
 181                 .name           = "data",
 182                 .offset         = MTDPART_OFS_APPEND,
 183                 .size           = MTDPART_SIZ_FULL,
 184         },
 185 };
 186
 187 static struct physmap_flash_data nor_flash_data = {
 188         .width          = 2,
 189         .parts          = nor_flash_partitions,
 190         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
 191 };
 192
 193 static struct resource nor_flash_resources[] = {
 194         [0]     = {
 195                 .start  = 0x00000000,
 196                 .end    = 0x08000000 - 1,
 197                 .flags  = IORESOURCE_MEM,
 198         }
 199 };
 200
 201 static struct platform_device nor_flash_device = {
 202         .name           = "physmap-flash",
 203         .dev            = {
 204                 .platform_data  = &nor_flash_data,
 205         },
 206         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 207         .resource       = nor_flash_resources,
 208 };
 209
 210 /* SMSC 9220 */
 211 static struct resource smc911x_resources[] = {
 212         {
 213                 .start  = 0x14000000,
 214                 .end    = 0x16000000 - 1,
 215                 .flags  = IORESOURCE_MEM,
 216         }, {
 217                 .start  = evt2irq(0x02c0) /* IRQ6A */,
 218                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 219         },
 220 };
 221
 222 static struct smsc911x_platform_config smsc911x_info = {
 223         .flags          = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
 224         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 225         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 226 };
 227
 228 static struct platform_device smc911x_device = {
 229         .name           = "smsc911x",
 230         .id             = -1,
 231         .num_resources  = ARRAY_SIZE(smc911x_resources),
 232         .resource       = smc911x_resources,
 233         .dev            = {
 234                 .platform_data = &smsc911x_info,
 235         },
 236 };
 237
 238 /* SH_MMCIF */
 239 static struct resource sh_mmcif_resources[] = {
 240         [0] = {
 241                 .name   = "SH_MMCIF",
 242                 .start  = 0xE6BD0000,
 243                 .end    = 0xE6BD00FF,
 244                 .flags  = IORESOURCE_MEM,
 245         },
 246         [1] = {
 247                 /* MMC ERR */
 248                 .start  = evt2irq(0x1ac0),
 249                 .flags  = IORESOURCE_IRQ,
 250         },
 251         [2] = {
 252                 /* MMC NOR */
 253                 .start  = evt2irq(0x1ae0),
 254                 .flags  = IORESOURCE_IRQ,
 255         },
 256 };
 257
 258 static struct sh_mmcif_plat_data sh_mmcif_plat = {
 259         .sup_pclk       = 0,
 260         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
 261         .caps           = MMC_CAP_4_BIT_DATA |
 262                           MMC_CAP_8_BIT_DATA |
 263                           MMC_CAP_NEEDS_POLL,
 264 };
 265
 266 static struct platform_device sh_mmcif_device = {
 267         .name           = "sh_mmcif",
 268         .id             = 0,
 269         .dev            = {
 270                 .dma_mask               = NULL,
 271                 .coherent_dma_mask      = 0xffffffff,
 272                 .platform_data          = &sh_mmcif_plat,
 273         },
 274         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 275         .resource       = sh_mmcif_resources,
 276 };
 277
 278 /* SDHI0 */
 279 static struct sh_mobile_sdhi_info sdhi0_info = {
 280         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 281         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 282 };
 283
 284 static struct resource sdhi0_resources[] = {
 285         [0] = {
 286                 .name   = "SDHI0",
 287                 .start  = 0xe6850000,
 288                 .end    = 0xe68501ff,
 289                 .flags  = IORESOURCE_MEM,
 290         },
 291         [1] = {
 292                 .start  = evt2irq(0x0e00) /* SDHI0 */,
 293                 .flags  = IORESOURCE_IRQ,
 294         },
 295 };
 296
 297 static struct platform_device sdhi0_device = {
 298         .name           = "sh_mobile_sdhi",
 299         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 300         .resource       = sdhi0_resources,
 301         .id             = 0,
 302         .dev    = {
 303                 .platform_data  = &sdhi0_info,
 304         },
 305 };
 306
 307 /* SDHI1 */
 308 static struct sh_mobile_sdhi_info sdhi1_info = {
 309         .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
 310         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
 311         .tmio_ocr_mask  = MMC_VDD_165_195,
 312         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
 313 };
 314
 315 static struct resource sdhi1_resources[] = {
 316         [0] = {
 317                 .name   = "SDHI1",
 318                 .start  = 0xe6860000,
 319                 .end    = 0xe68601ff,
 320                 .flags  = IORESOURCE_MEM,
 321         },
 322         [1] = {
 323                 .start  = evt2irq(0x0e80),
 324                 .flags  = IORESOURCE_IRQ,
 325         },
 326 };
 327
 328 static struct platform_device sdhi1_device = {
 329         .name           = "sh_mobile_sdhi",
 330         .num_resources  = ARRAY_SIZE(sdhi1_resources),
 331         .resource       = sdhi1_resources,
 332         .id             = 1,
 333         .dev    = {
 334                 .platform_data  = &sdhi1_info,
 335         },
 336 };
 337
 338 /* USB1 */
 339 static void usb1_host_port_power(int port, int power)
 340 {
 341         if (!power) /* only power-on supported for now */
 342                 return;
 343
 344         /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
 345         __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
 346 }
 347
 348 static struct r8a66597_platdata usb1_host_data = {
 349         .on_chip        = 1,
 350         .port_power     = usb1_host_port_power,
 351 };
 352
 353 static struct resource usb1_host_resources[] = {
 354         [0] = {
 355                 .name   = "USBHS",
 356                 .start  = 0xE68B0000,
 357                 .end    = 0xE68B00E6 - 1,
 358                 .flags  = IORESOURCE_MEM,
 359         },
 360         [1] = {
 361                 .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
 362                 .flags  = IORESOURCE_IRQ,
 363         },
 364 };
 365
 366 static struct platform_device usb1_host_device = {
 367         .name   = "r8a66597_hcd",
 368         .id     = 1,
 369         .dev = {
 370                 .dma_mask               = NULL,         /*  not use dma */
 371                 .coherent_dma_mask      = 0xffffffff,
 372                 .platform_data          = &usb1_host_data,
 373         },
 374         .num_resources  = ARRAY_SIZE(usb1_host_resources),
 375         .resource       = usb1_host_resources,
 376 };
 377
 378 const static struct fb_videomode ap4evb_lcdc_modes[] = {
 379         {
 380 #ifdef CONFIG_AP4EVB_QHD
 381                 .name           = "R63302(QHD)",
 382                 .xres           = 544,
 383                 .yres           = 961,
 384                 .left_margin    = 72,
 385                 .right_margin   = 600,
 386                 .hsync_len      = 16,
 387                 .upper_margin   = 8,
 388                 .lower_margin   = 8,
 389                 .vsync_len      = 2,
 390                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 391 #else
 392                 .name           = "WVGA Panel",
 393                 .xres           = 800,
 394                 .yres           = 480,
 395                 .left_margin    = 220,
 396                 .right_margin   = 110,
 397                 .hsync_len      = 70,
 398                 .upper_margin   = 20,
 399                 .lower_margin   = 5,
 400                 .vsync_len      = 5,
 401                 .sync           = 0,
 402 #endif
 403         },
 404 };
 405
 406 static struct sh_mobile_lcdc_info lcdc_info = {
 407         .ch[0] = {
 408                 .chan = LCDC_CHAN_MAINLCD,
 409                 .bpp = 16,
 410                 .lcd_cfg = ap4evb_lcdc_modes,
 411                 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
 412         }
 413 };
 414
 415 static struct resource lcdc_resources[] = {
 416         [0] = {
 417                 .name   = "LCDC",
 418                 .start  = 0xfe940000, /* P4-only space */
 419                 .end    = 0xfe943fff,
 420                 .flags  = IORESOURCE_MEM,
 421         },
 422         [1] = {
 423                 .start  = intcs_evt2irq(0x580),
 424                 .flags  = IORESOURCE_IRQ,
 425         },
 426 };
 427
 428 static struct platform_device lcdc_device = {
 429         .name           = "sh_mobile_lcdc_fb",
 430         .num_resources  = ARRAY_SIZE(lcdc_resources),
 431         .resource       = lcdc_resources,
 432         .dev    = {
 433                 .platform_data  = &lcdc_info,
 434                 .coherent_dma_mask = ~0,
 435         },
 436 };
 437
 438 /*
 439  * QHD display
 440  */
 441 #ifdef CONFIG_AP4EVB_QHD
 442
 443 /* KEYSC (Needs SW43 set to ON) */
 444 static struct sh_keysc_info keysc_info = {
 445         .mode           = SH_KEYSC_MODE_1,
 446         .scan_timing    = 3,
 447         .delay          = 2500,
 448         .keycodes = {
 449                 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 450                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
 451                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
 452                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
 453                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
 454         },
 455 };
 456
 457 static struct resource keysc_resources[] = {
 458         [0] = {
 459                 .name   = "KEYSC",
 460                 .start  = 0xe61b0000,
 461                 .end    = 0xe61b0063,
 462                 .flags  = IORESOURCE_MEM,
 463         },
 464         [1] = {
 465                 .start  = evt2irq(0x0be0), /* KEYSC_KEY */
 466                 .flags  = IORESOURCE_IRQ,
 467         },
 468 };
 469
 470 static struct platform_device keysc_device = {
 471         .name           = "sh_keysc",
 472         .id             = 0, /* "keysc0" clock */
 473         .num_resources  = ARRAY_SIZE(keysc_resources),
 474         .resource       = keysc_resources,
 475         .dev    = {
 476                 .platform_data  = &keysc_info,
 477         },
 478 };
 479
 480 /* MIPI-DSI */
 481 static struct resource mipidsi0_resources[] = {
 482         [0] = {
 483                 .start  = 0xffc60000,
 484                 .end    = 0xffc68fff,
 485                 .flags  = IORESOURCE_MEM,
 486         },
 487 };
 488
 489 static struct sh_mipi_dsi_info mipidsi0_info = {
 490         .data_format    = MIPI_RGB888,
 491         .lcd_chan       = &lcdc_info.ch[0],
 492 };
 493
 494 static struct platform_device mipidsi0_device = {
 495         .name           = "sh-mipi-dsi",
 496         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 497         .resource       = mipidsi0_resources,
 498         .id             = 0,
 499         .dev    = {
 500                 .platform_data  = &mipidsi0_info,
 501         },
 502 };
 503
 504 /* This function will disappear when we switch to (runtime) PM */
 505 static int __init ap4evb_init_display_clk(void)
 506 {
 507         struct clk *lcdc_clk;
 508         struct clk *dsitx_clk;
 509         int ret;
 510
 511         lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
 512         if (IS_ERR(lcdc_clk))
 513                 return PTR_ERR(lcdc_clk);
 514
 515         dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
 516         if (IS_ERR(dsitx_clk)) {
 517                 ret = PTR_ERR(dsitx_clk);
 518                 goto eclkdsitxget;
 519         }
 520
 521         ret = clk_enable(lcdc_clk);
 522         if (ret < 0)
 523                 goto eclklcdcon;
 524
 525         ret = clk_enable(dsitx_clk);
 526         if (ret < 0)
 527                 goto eclkdsitxon;
 528
 529         return 0;
 530
 531 eclkdsitxon:
 532         clk_disable(lcdc_clk);
 533 eclklcdcon:
 534         clk_put(dsitx_clk);
 535 eclkdsitxget:
 536         clk_put(lcdc_clk);
 537
 538         return ret;
 539 }
 540 device_initcall(ap4evb_init_display_clk);
 541
 542 static struct platform_device *qhd_devices[] __initdata = {
 543         &mipidsi0_device,
 544         &keysc_device,
 545 };
 546 #endif /* CONFIG_AP4EVB_QHD */
 547
 548 /* FSI */
 549 #define IRQ_FSI         evt2irq(0x1840)
 550 #define FSIACKCR        0xE6150018
 551 static void fsiackcr_init(struct clk *clk)
 552 {
 553         u32 status = __raw_readl(clk->enable_reg);
 554
 555         /* use external clock */
 556         status &= ~0x000000ff;
 557         status |= 0x00000080;
 558         __raw_writel(status, clk->enable_reg);
 559 }
 560
 561 static struct clk_ops fsiackcr_clk_ops = {
 562         .init = fsiackcr_init,
 563 };
 564
 565 static struct clk fsiackcr_clk = {
 566         .ops            = &fsiackcr_clk_ops,
 567         .enable_reg     = (void __iomem *)FSIACKCR,
 568         .rate           = 0, /* unknown */
 569 };
 570
 571 static struct sh_fsi_platform_info fsi_info = {
 572         .porta_flags = SH_FSI_BRS_INV |
 573                        SH_FSI_OUT_SLAVE_MODE |
 574                        SH_FSI_IN_SLAVE_MODE |
 575                        SH_FSI_OFMT(PCM) |
 576                        SH_FSI_IFMT(PCM),
 577 };
 578
 579 static struct resource fsi_resources[] = {
 580         [0] = {
 581                 .name   = "FSI",
 582                 .start  = 0xFE3C0000,
 583                 .end    = 0xFE3C0400 - 1,
 584                 .flags  = IORESOURCE_MEM,
 585         },
 586         [1] = {
 587                 .start  = IRQ_FSI,
 588                 .flags  = IORESOURCE_IRQ,
 589         },
 590 };
 591
 592 static struct platform_device fsi_device = {
 593         .name           = "sh_fsi2",
 594         .id             = -1,
 595         .num_resources  = ARRAY_SIZE(fsi_resources),
 596         .resource       = fsi_resources,
 597         .dev    = {
 598                 .platform_data  = &fsi_info,
 599         },
 600 };
 601
 602 /*
 603  * If left and right margins are not multiples of 8,
 604  * LDHAJR will be adjusted accordingly by the LCDC
 605  * driver. Until we start using EDID, these values
 606  * might have to be adjusted for different monitors.
 607  */
 608 const static struct fb_videomode ap4evb_hdmi_modes[] = {
 609         {
 610                 .name = "HDMI 720p",
 611                 .xres = 1280,
 612                 .yres = 720,
 613
 614                 .left_margin = 200,
 615                 .right_margin = 88,
 616                 .hsync_len = 48,
 617
 618                 .upper_margin = 20,
 619                 .lower_margin = 5,
 620                 .vsync_len = 5,
 621
 622                 .pixclock = 13468,
 623                 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 624         }, {
 625                 .name = "1280x1024",
 626                 .xres = 1280,
 627                 .yres = 1024,
 628
 629                 .left_margin = 144,
 630                 .right_margin = 48,
 631                 .hsync_len = 64,
 632
 633                 .upper_margin = 35,
 634                 .lower_margin = 5,
 635                 .vsync_len = 3,
 636
 637                 .pixclock = 9800,
 638                 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 639         }, {
 640                 .name = "HDMI 480p",
 641                 .xres = 720,
 642                 .yres = 480,
 643
 644                 .left_margin = 36,
 645                 .right_margin = 18,
 646                 .hsync_len = 68,
 647
 648                 .upper_margin = 36,
 649                 .lower_margin = 3,
 650                 .vsync_len = 6,
 651                 .pixclock = 37037,
 652                 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 653         },
 654 };
 655
 656 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
 657         .clock_source = LCDC_CLK_EXTERNAL,
 658         .ch[0] = {
 659                 .chan = LCDC_CHAN_MAINLCD,
 660                 .bpp = 16,
 661                 .interface_type = RGB24,
 662                 .clock_divider = 1,
 663                 .flags = LCDC_FLAGS_DWPOL,
 664                 .lcd_cfg = ap4evb_hdmi_modes,
 665                 .num_cfg = ARRAY_SIZE(ap4evb_hdmi_modes),
 666         }
 667 };
 668
 669 static struct resource lcdc1_resources[] = {
 670         [0] = {
 671                 .name   = "LCDC1",
 672                 .start  = 0xfe944000,
 673                 .end    = 0xfe947fff,
 674                 .flags  = IORESOURCE_MEM,
 675         },
 676         [1] = {
 677                 .start  = intcs_evt2irq(0x17a0),
 678                 .flags  = IORESOURCE_IRQ,
 679         },
 680 };
 681
 682 static struct platform_device lcdc1_device = {
 683         .name           = "sh_mobile_lcdc_fb",
 684         .num_resources  = ARRAY_SIZE(lcdc1_resources),
 685         .resource       = lcdc1_resources,
 686         .id             = 1,
 687         .dev    = {
 688                 .platform_data  = &sh_mobile_lcdc1_info,
 689                 .coherent_dma_mask = ~0,
 690         },
 691 };
 692
 693 static struct sh_mobile_hdmi_info hdmi_info = {
 694         .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
 695         .lcd_dev = &lcdc1_device.dev,
 696 };
 697
 698 static struct resource hdmi_resources[] = {
 699         [0] = {
 700                 .name   = "HDMI",
 701                 .start  = 0xe6be0000,
 702                 .end    = 0xe6be00ff,
 703                 .flags  = IORESOURCE_MEM,
 704         },
 705         [1] = {
 706                 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
 707                 .start  = evt2irq(0x17e0),
 708                 .flags  = IORESOURCE_IRQ,
 709         },
 710 };
 711
 712 static struct platform_device hdmi_device = {
 713         .name           = "sh-mobile-hdmi",
 714         .num_resources  = ARRAY_SIZE(hdmi_resources),
 715         .resource       = hdmi_resources,
 716         .id             = -1,
 717         .dev    = {
 718                 .platform_data  = &hdmi_info,
 719         },
 720 };
 721
 722 static struct gpio_led ap4evb_leds[] = {
 723         {
 724                 .name                   = "led4",
 725                 .gpio                   = GPIO_PORT185,
 726                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 727         },
 728         {
 729                 .name                   = "led2",
 730                 .gpio                   = GPIO_PORT186,
 731                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 732         },
 733         {
 734                 .name                   = "led3",
 735                 .gpio                   = GPIO_PORT187,
 736                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 737         },
 738         {
 739                 .name                   = "led1",
 740                 .gpio                   = GPIO_PORT188,
 741                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 742         }
 743 };
 744
 745 static struct gpio_led_platform_data ap4evb_leds_pdata = {
 746         .num_leds = ARRAY_SIZE(ap4evb_leds),
 747         .leds = ap4evb_leds,
 748 };
 749
 750 static struct platform_device leds_device = {
 751         .name = "leds-gpio",
 752         .id = 0,
 753         .dev = {
 754                 .platform_data  = &ap4evb_leds_pdata,
 755         },
 756 };
 757
 758 static struct platform_device *ap4evb_devices[] __initdata = {
 759         &leds_device,
 760         &nor_flash_device,
 761         &smc911x_device,
 762         &sdhi0_device,
 763         &sdhi1_device,
 764         &usb1_host_device,
 765         &fsi_device,
 766         &sh_mmcif_device,
 767         &lcdc1_device,
 768         &lcdc_device,
 769         &hdmi_device,
 770 };
 771
 772 static int __init hdmi_init_pm_clock(void)
 773 {
 774         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
 775         int ret;
 776         long rate;
 777
 778         if (IS_ERR(hdmi_ick)) {
 779                 ret = PTR_ERR(hdmi_ick);
 780                 pr_err("Cannot get HDMI ICK: %d\n", ret);
 781                 goto out;
 782         }
 783
 784         ret = clk_set_parent(&pllc2_clk, &dv_clki_div2_clk);
 785         if (ret < 0) {
 786                 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, pllc2_clk.usecount);
 787                 goto out;
 788         }
 789
 790         pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&pllc2_clk));
 791
 792         rate = clk_round_rate(&pllc2_clk, 594000000);
 793         if (rate < 0) {
 794                 pr_err("Cannot get suitable rate: %ld\n", rate);
 795                 ret = rate;
 796                 goto out;
 797         }
 798
 799         ret = clk_set_rate(&pllc2_clk, rate);
 800         if (ret < 0) {
 801                 pr_err("Cannot set rate %ld: %d\n", rate, ret);
 802                 goto out;
 803         }
 804
 805         pr_debug("PLLC2 set frequency %lu\n", rate);
 806
 807         ret = clk_set_parent(hdmi_ick, &pllc2_clk);
 808         if (ret < 0) {
 809                 pr_err("Cannot set HDMI parent: %d\n", ret);
 810                 goto out;
 811         }
 812
 813 out:
 814         if (!IS_ERR(hdmi_ick))
 815                 clk_put(hdmi_ick);
 816         return ret;
 817 }
 818
 819 device_initcall(hdmi_init_pm_clock);
 820
 821 /*
 822  * FIXME !!
 823  *
 824  * gpio_no_direction
 825  * are quick_hack.
 826  *
 827  * current gpio frame work doesn't have
 828  * the method to control only pull up/down/free.
 829  * this function should be replaced by correct gpio function
 830  */
 831 static void __init gpio_no_direction(u32 addr)
 832 {
 833         __raw_writeb(0x00, addr);
 834 }
 835
 836 /* TouchScreen */
 837 #define IRQ28   evt2irq(0x3380) /* IRQ28A */
 838 #define IRQ7    evt2irq(0x02e0) /* IRQ7A */
 839 static struct tsc2007_platform_data tsc2007_info = {
 840         .model                  = 2007,
 841         .x_plate_ohms           = 1000,
 842 };
 843
 844 static struct i2c_board_info tsc_device = {
 845         I2C_BOARD_INFO("tsc2007", 0x48),
 846         .type           = "tsc2007",
 847         .platform_data  = &tsc2007_info,
 848         /*.irq is selected on ap4evb_init */
 849 };
 850
 851 /* I2C */
 852 static struct i2c_board_info i2c0_devices[] = {
 853         {
 854                 I2C_BOARD_INFO("ak4643", 0x13),
 855         },
 856 };
 857
 858 static struct i2c_board_info i2c1_devices[] = {
 859         {
 860                 I2C_BOARD_INFO("r2025sd", 0x32),
 861         },
 862 };
 863
 864 static struct map_desc ap4evb_io_desc[] __initdata = {
 865         /* create a 1:1 entity map for 0xe6xxxxxx
 866          * used by CPGA, INTC and PFC.
 867          */
 868         {
 869                 .virtual        = 0xe6000000,
 870                 .pfn            = __phys_to_pfn(0xe6000000),
 871                 .length         = 256 << 20,
 872                 .type           = MT_DEVICE_NONSHARED
 873         },
 874 };
 875
 876 static void __init ap4evb_map_io(void)
 877 {
 878         iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
 879
 880         /* setup early devices and console here as well */
 881         sh7372_add_early_devices();
 882         shmobile_setup_console();
 883 }
 884
 885 #define GPIO_PORT9CR    0xE6051009
 886 #define GPIO_PORT10CR   0xE605100A
 887 static void __init ap4evb_init(void)
 888 {
 889         u32 srcr4;
 890         struct clk *clk;
 891
 892         sh7372_pinmux_init();
 893
 894         /* enable SCIFA0 */
 895         gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
 896         gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
 897
 898         /* enable SMSC911X */
 899         gpio_request(GPIO_FN_CS5A,      NULL);
 900         gpio_request(GPIO_FN_IRQ6_39,   NULL);
 901
 902         /* enable Debug switch (S6) */
 903         gpio_request(GPIO_PORT32, NULL);
 904         gpio_request(GPIO_PORT33, NULL);
 905         gpio_request(GPIO_PORT34, NULL);
 906         gpio_request(GPIO_PORT35, NULL);
 907         gpio_direction_input(GPIO_PORT32);
 908         gpio_direction_input(GPIO_PORT33);
 909         gpio_direction_input(GPIO_PORT34);
 910         gpio_direction_input(GPIO_PORT35);
 911         gpio_export(GPIO_PORT32, 0);
 912         gpio_export(GPIO_PORT33, 0);
 913         gpio_export(GPIO_PORT34, 0);
 914         gpio_export(GPIO_PORT35, 0);
 915
 916         /* SDHI0 */
 917         gpio_request(GPIO_FN_SDHICD0, NULL);
 918         gpio_request(GPIO_FN_SDHIWP0, NULL);
 919         gpio_request(GPIO_FN_SDHICMD0, NULL);
 920         gpio_request(GPIO_FN_SDHICLK0, NULL);
 921         gpio_request(GPIO_FN_SDHID0_3, NULL);
 922         gpio_request(GPIO_FN_SDHID0_2, NULL);
 923         gpio_request(GPIO_FN_SDHID0_1, NULL);
 924         gpio_request(GPIO_FN_SDHID0_0, NULL);
 925
 926         /* SDHI1 */
 927         gpio_request(GPIO_FN_SDHICMD1, NULL);
 928         gpio_request(GPIO_FN_SDHICLK1, NULL);
 929         gpio_request(GPIO_FN_SDHID1_3, NULL);
 930         gpio_request(GPIO_FN_SDHID1_2, NULL);
 931         gpio_request(GPIO_FN_SDHID1_1, NULL);
 932         gpio_request(GPIO_FN_SDHID1_0, NULL);
 933
 934         /* MMCIF */
 935         gpio_request(GPIO_FN_MMCD0_0, NULL);
 936         gpio_request(GPIO_FN_MMCD0_1, NULL);
 937         gpio_request(GPIO_FN_MMCD0_2, NULL);
 938         gpio_request(GPIO_FN_MMCD0_3, NULL);
 939         gpio_request(GPIO_FN_MMCD0_4, NULL);
 940         gpio_request(GPIO_FN_MMCD0_5, NULL);
 941         gpio_request(GPIO_FN_MMCD0_6, NULL);
 942         gpio_request(GPIO_FN_MMCD0_7, NULL);
 943         gpio_request(GPIO_FN_MMCCMD0, NULL);
 944         gpio_request(GPIO_FN_MMCCLK0, NULL);
 945
 946         /* USB enable */
 947         gpio_request(GPIO_FN_VBUS0_1,    NULL);
 948         gpio_request(GPIO_FN_IDIN_1_18,  NULL);
 949         gpio_request(GPIO_FN_PWEN_1_115, NULL);
 950         gpio_request(GPIO_FN_OVCN_1_114, NULL);
 951         gpio_request(GPIO_FN_EXTLP_1,    NULL);
 952         gpio_request(GPIO_FN_OVCN2_1,    NULL);
 953
 954         /* setup USB phy */
 955         __raw_writew(0x8a0a, 0xE6058130);       /* USBCR2 */
 956
 957         /* enable FSI2 */
 958         gpio_request(GPIO_FN_FSIAIBT,   NULL);
 959         gpio_request(GPIO_FN_FSIAILR,   NULL);
 960         gpio_request(GPIO_FN_FSIAISLD,  NULL);
 961         gpio_request(GPIO_FN_FSIAOSLD,  NULL);
 962         gpio_request(GPIO_PORT161,      NULL);
 963         gpio_direction_output(GPIO_PORT161, 0); /* slave */
 964
 965         gpio_request(GPIO_PORT9, NULL);
 966         gpio_request(GPIO_PORT10, NULL);
 967         gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
 968         gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
 969
 970         /* set SPU2 clock to 119.6 MHz */
 971         clk = clk_get(NULL, "spu_clk");
 972         if (!IS_ERR(clk)) {
 973                 clk_set_rate(clk, clk_round_rate(clk, 119600000));
 974                 clk_put(clk);
 975         }
 976
 977         /* change parent of FSI A */
 978         clk = clk_get(NULL, "fsia_clk");
 979         if (!IS_ERR(clk)) {
 980                 clk_register(&fsiackcr_clk);
 981                 clk_set_parent(clk, &fsiackcr_clk);
 982                 clk_put(clk);
 983         }
 984
 985         /*
 986          * set irq priority, to avoid sound chopping
 987          * when NFS rootfs is used
 988          *  FSI(3) > SMSC911X(2)
 989          */
 990         intc_set_priority(IRQ_FSI, 3);
 991
 992         i2c_register_board_info(0, i2c0_devices,
 993                                 ARRAY_SIZE(i2c0_devices));
 994
 995         i2c_register_board_info(1, i2c1_devices,
 996                                 ARRAY_SIZE(i2c1_devices));
 997
 998 #ifdef CONFIG_AP4EVB_QHD
 999
1000         /*
1001          * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1002          * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1003          */
1004
1005         /* enable KEYSC */
1006         gpio_request(GPIO_FN_KEYOUT0, NULL);
1007         gpio_request(GPIO_FN_KEYOUT1, NULL);
1008         gpio_request(GPIO_FN_KEYOUT2, NULL);
1009         gpio_request(GPIO_FN_KEYOUT3, NULL);
1010         gpio_request(GPIO_FN_KEYOUT4, NULL);
1011         gpio_request(GPIO_FN_KEYIN0_136, NULL);
1012         gpio_request(GPIO_FN_KEYIN1_135, NULL);
1013         gpio_request(GPIO_FN_KEYIN2_134, NULL);
1014         gpio_request(GPIO_FN_KEYIN3_133, NULL);
1015         gpio_request(GPIO_FN_KEYIN4,     NULL);
1016
1017         /* enable TouchScreen */
1018         gpio_request(GPIO_FN_IRQ28_123, NULL);
1019         set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1020
1021         tsc_device.irq = IRQ28;
1022         i2c_register_board_info(1, &tsc_device, 1);
1023
1024         /* LCDC0 */
1025         lcdc_info.clock_source                  = LCDC_CLK_PERIPHERAL;
1026         lcdc_info.ch[0].interface_type          = RGB24;
1027         lcdc_info.ch[0].clock_divider           = 1;
1028         lcdc_info.ch[0].flags                   = LCDC_FLAGS_DWPOL;
1029         lcdc_info.ch[0].lcd_size_cfg.width      = 44;
1030         lcdc_info.ch[0].lcd_size_cfg.height     = 79;
1031
1032         platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1033
1034 #else
1035         /*
1036          * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1037          * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1038          */
1039
1040         gpio_request(GPIO_FN_LCDD17,   NULL);
1041         gpio_request(GPIO_FN_LCDD16,   NULL);
1042         gpio_request(GPIO_FN_LCDD15,   NULL);
1043         gpio_request(GPIO_FN_LCDD14,   NULL);
1044         gpio_request(GPIO_FN_LCDD13,   NULL);
1045         gpio_request(GPIO_FN_LCDD12,   NULL);
1046         gpio_request(GPIO_FN_LCDD11,   NULL);
1047         gpio_request(GPIO_FN_LCDD10,   NULL);
1048         gpio_request(GPIO_FN_LCDD9,    NULL);
1049         gpio_request(GPIO_FN_LCDD8,    NULL);
1050         gpio_request(GPIO_FN_LCDD7,    NULL);
1051         gpio_request(GPIO_FN_LCDD6,    NULL);
1052         gpio_request(GPIO_FN_LCDD5,    NULL);
1053         gpio_request(GPIO_FN_LCDD4,    NULL);
1054         gpio_request(GPIO_FN_LCDD3,    NULL);
1055         gpio_request(GPIO_FN_LCDD2,    NULL);
1056         gpio_request(GPIO_FN_LCDD1,    NULL);
1057         gpio_request(GPIO_FN_LCDD0,    NULL);
1058         gpio_request(GPIO_FN_LCDDISP,  NULL);
1059         gpio_request(GPIO_FN_LCDDCK,   NULL);
1060
1061         gpio_request(GPIO_PORT189, NULL); /* backlight */
1062         gpio_direction_output(GPIO_PORT189, 1);
1063
1064         gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1065         gpio_direction_output(GPIO_PORT151, 1);
1066
1067         lcdc_info.clock_source                  = LCDC_CLK_BUS;
1068         lcdc_info.ch[0].interface_type          = RGB18;
1069         lcdc_info.ch[0].clock_divider           = 2;
1070         lcdc_info.ch[0].flags                   = 0;
1071         lcdc_info.ch[0].lcd_size_cfg.width      = 152;
1072         lcdc_info.ch[0].lcd_size_cfg.height     = 91;
1073
1074         /* enable TouchScreen */
1075         gpio_request(GPIO_FN_IRQ7_40, NULL);
1076         set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1077
1078         tsc_device.irq = IRQ7;
1079         i2c_register_board_info(0, &tsc_device, 1);
1080 #endif /* CONFIG_AP4EVB_QHD */
1081
1082         sh7372_add_standard_devices();
1083
1084         /* HDMI */
1085         gpio_request(GPIO_FN_HDMI_HPD, NULL);
1086         gpio_request(GPIO_FN_HDMI_CEC, NULL);
1087
1088         /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1089 #define SRCR4 0xe61580bc
1090         srcr4 = __raw_readl(SRCR4);
1091         __raw_writel(srcr4 | (1 << 13), SRCR4);
1092         udelay(50);
1093         __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1094
1095         platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1096 }
1097
1098 static void __init ap4evb_timer_init(void)
1099 {
1100         sh7372_clock_init();
1101         shmobile_timer.init();
1102
1103         /* External clock source */
1104         clk_set_rate(&dv_clki_clk, 27000000);
1105 }
1106
1107 static struct sys_timer ap4evb_timer = {
1108         .init           = ap4evb_timer_init,
1109 };
1110
1111 MACHINE_START(AP4EVB, "ap4evb")
1112         .phys_io        = 0xe6000000,
1113         .io_pg_offst    = ((0xe6000000) >> 18) & 0xfffc,
1114         .map_io         = ap4evb_map_io,
1115         .init_irq       = sh7372_init_irq,
1116         .init_machine   = ap4evb_init,
1117         .timer          = &ap4evb_timer,
1118 MACHINE_END