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/tmio.h>
  28 #include <linux/mmc/host.h>
  29 #include <linux/mmc/sh_mobile_sdhi.h>
  30 #include <linux/mtd/mtd.h>
  31 #include <linux/mtd/partitions.h>
  32 #include <linux/mtd/physmap.h>
  33 #include <linux/mmc/sh_mmcif.h>
  34 #include <linux/i2c.h>
  35 #include <linux/i2c/tsc2007.h>
  36 #include <linux/io.h>
  37 #include <linux/smsc911x.h>
  38 #include <linux/sh_intc.h>
  39 #include <linux/sh_clk.h>
  40 #include <linux/gpio.h>
  41 #include <linux/input.h>
  42 #include <linux/leds.h>
  43 #include <linux/input/sh_keysc.h>
  44 #include <linux/usb/r8a66597.h>
  45 #include <linux/pm_clock.h>
  46 #include <linux/dma-mapping.h>
  47
  48 #include <media/sh_mobile_ceu.h>
  49 #include <media/sh_mobile_csi2.h>
  50 #include <media/soc_camera.h>
  51
  52 #include <sound/sh_fsi.h>
  53
  54 #include <video/sh_mobile_hdmi.h>
  55 #include <video/sh_mobile_lcdc.h>
  56 #include <video/sh_mipi_dsi.h>
  57
  58 #include <mach/common.h>
  59 #include <mach/irqs.h>
  60 #include <mach/sh7372.h>
  61
  62 #include <asm/mach-types.h>
  63 #include <asm/mach/arch.h>
  64 #include <asm/mach/map.h>
  65 #include <asm/mach/time.h>
  66 #include <asm/setup.h>
  67
  68 /*
  69  * Address      Interface               BusWidth        note
  70  * ------------------------------------------------------------------
  71  * 0x0000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = ON
  72  * 0x0800_0000  user area               -
  73  * 0x1000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = OFF
  74  * 0x1400_0000  Ether (LAN9220)         16bit
  75  * 0x1600_0000  user area               -               cannot use with NAND
  76  * 0x1800_0000  user area               -
  77  * 0x1A00_0000  -
  78  * 0x4000_0000  LPDDR2-SDRAM (POP)      32bit
  79  */
  80
  81 /*
  82  * NOR Flash ROM
  83  *
  84  *  SW1  |     SW2    | SW7  | NOR Flash ROM
  85  *  bit1 | bit1  bit2 | bit1 | Memory allocation
  86  * ------+------------+------+------------------
  87  *  OFF  | ON     OFF | ON   |    Area 0
  88  *  OFF  | ON     OFF | OFF  |    Area 4
  89  */
  90
  91 /*
  92  * NAND Flash ROM
  93  *
  94  *  SW1  |     SW2    | SW7  | NAND Flash ROM
  95  *  bit1 | bit1  bit2 | bit2 | Memory allocation
  96  * ------+------------+------+------------------
  97  *  OFF  | ON     OFF | ON   |    FCE 0
  98  *  OFF  | ON     OFF | OFF  |    FCE 1
  99  */
 100
 101 /*
 102  * SMSC 9220
 103  *
 104  *  SW1         SMSC 9220
 105  * -----------------------
 106  *  ON          access disable
 107  *  OFF         access enable
 108  */
 109
 110 /*
 111  * LCD / IRQ / KEYSC / IrDA
 112  *
 113  * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
 114  * LCD = 2nd LCDC (WVGA)
 115  *
 116  *              |               SW43                    |
 117  * SW3          |       ON              |       OFF     |
 118  * -------------+-----------------------+---------------+
 119  * ON           | KEY / IrDA            | LCD           |
 120  * OFF          | KEY / IrDA / IRQ      | IRQ           |
 121  *
 122  *
 123  * QHD / WVGA display
 124  *
 125  * You can choice display type on menuconfig.
 126  * Then, check above dip-switch.
 127  */
 128
 129 /*
 130  * USB
 131  *
 132  * J7 : 1-2  MAX3355E VBUS
 133  *      2-3  DC 5.0V
 134  *
 135  * S39: bit2: off
 136  */
 137
 138 /*
 139  * FSI/FSMI
 140  *
 141  * SW41 :  ON : SH-Mobile AP4 Audio Mode
 142  *      : OFF : Bluetooth Audio Mode
 143  */
 144
 145 /*
 146  * MMC0/SDHI1 (CN7)
 147  *
 148  * J22 : select card voltage
 149  *       1-2 pin : 1.8v
 150  *       2-3 pin : 3.3v
 151  *
 152  *        SW1  |             SW33
 153  *             | bit1 | bit2 | bit3 | bit4
 154  * ------------+------+------+------+-------
 155  * MMC0   OFF  |  OFF |  ON  |  ON  |  X
 156  * SDHI1  OFF  |  ON  |   X  |  OFF | ON
 157  *
 158  * voltage lebel
 159  * CN7 : 1.8v
 160  * CN12: 3.3v
 161  */
 162
 163 /* MTD */
 164 static struct mtd_partition nor_flash_partitions[] = {
 165         {
 166                 .name           = "loader",
 167                 .offset         = 0x00000000,
 168                 .size           = 512 * 1024,
 169                 .mask_flags     = MTD_WRITEABLE,
 170         },
 171         {
 172                 .name           = "bootenv",
 173                 .offset         = MTDPART_OFS_APPEND,
 174                 .size           = 512 * 1024,
 175                 .mask_flags     = MTD_WRITEABLE,
 176         },
 177         {
 178                 .name           = "kernel_ro",
 179                 .offset         = MTDPART_OFS_APPEND,
 180                 .size           = 8 * 1024 * 1024,
 181                 .mask_flags     = MTD_WRITEABLE,
 182         },
 183         {
 184                 .name           = "kernel",
 185                 .offset         = MTDPART_OFS_APPEND,
 186                 .size           = 8 * 1024 * 1024,
 187         },
 188         {
 189                 .name           = "data",
 190                 .offset         = MTDPART_OFS_APPEND,
 191                 .size           = MTDPART_SIZ_FULL,
 192         },
 193 };
 194
 195 static struct physmap_flash_data nor_flash_data = {
 196         .width          = 2,
 197         .parts          = nor_flash_partitions,
 198         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
 199 };
 200
 201 static struct resource nor_flash_resources[] = {
 202         [0]     = {
 203                 .start  = 0x00000000,
 204                 .end    = 0x08000000 - 1,
 205                 .flags  = IORESOURCE_MEM,
 206         }
 207 };
 208
 209 static struct platform_device nor_flash_device = {
 210         .name           = "physmap-flash",
 211         .dev            = {
 212                 .platform_data  = &nor_flash_data,
 213         },
 214         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 215         .resource       = nor_flash_resources,
 216 };
 217
 218 /* SMSC 9220 */
 219 static struct resource smc911x_resources[] = {
 220         {
 221                 .start  = 0x14000000,
 222                 .end    = 0x16000000 - 1,
 223                 .flags  = IORESOURCE_MEM,
 224         }, {
 225                 .start  = evt2irq(0x02c0) /* IRQ6A */,
 226                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 227         },
 228 };
 229
 230 static struct smsc911x_platform_config smsc911x_info = {
 231         .flags          = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
 232         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 233         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 234 };
 235
 236 static struct platform_device smc911x_device = {
 237         .name           = "smsc911x",
 238         .id             = -1,
 239         .num_resources  = ARRAY_SIZE(smc911x_resources),
 240         .resource       = smc911x_resources,
 241         .dev            = {
 242                 .platform_data = &smsc911x_info,
 243         },
 244 };
 245
 246 /*
 247  * The card detect pin of the top SD/MMC slot (CN7) is active low and is
 248  * connected to GPIO A22 of SH7372 (GPIO_PORT41).
 249  */
 250 static int slot_cn7_get_cd(struct platform_device *pdev)
 251 {
 252         return !gpio_get_value(GPIO_PORT41);
 253 }
 254 /* MERAM */
 255 static struct sh_mobile_meram_info meram_info = {
 256         .addr_mode      = SH_MOBILE_MERAM_MODE1,
 257 };
 258
 259 static struct resource meram_resources[] = {
 260         [0] = {
 261                 .name   = "MERAM",
 262                 .start  = 0xe8000000,
 263                 .end    = 0xe81fffff,
 264                 .flags  = IORESOURCE_MEM,
 265         },
 266 };
 267
 268 static struct platform_device meram_device = {
 269         .name           = "sh_mobile_meram",
 270         .id             = 0,
 271         .num_resources  = ARRAY_SIZE(meram_resources),
 272         .resource       = meram_resources,
 273         .dev            = {
 274                 .platform_data = &meram_info,
 275         },
 276 };
 277
 278 /* SH_MMCIF */
 279 static struct resource sh_mmcif_resources[] = {
 280         [0] = {
 281                 .name   = "MMCIF",
 282                 .start  = 0xE6BD0000,
 283                 .end    = 0xE6BD00FF,
 284                 .flags  = IORESOURCE_MEM,
 285         },
 286         [1] = {
 287                 /* MMC ERR */
 288                 .start  = evt2irq(0x1ac0),
 289                 .flags  = IORESOURCE_IRQ,
 290         },
 291         [2] = {
 292                 /* MMC NOR */
 293                 .start  = evt2irq(0x1ae0),
 294                 .flags  = IORESOURCE_IRQ,
 295         },
 296 };
 297
 298 static struct sh_mmcif_dma sh_mmcif_dma = {
 299         .chan_priv_rx   = {
 300                 .slave_id       = SHDMA_SLAVE_MMCIF_RX,
 301         },
 302         .chan_priv_tx   = {
 303                 .slave_id       = SHDMA_SLAVE_MMCIF_TX,
 304         },
 305 };
 306
 307 static struct sh_mmcif_plat_data sh_mmcif_plat = {
 308         .sup_pclk       = 0,
 309         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
 310         .caps           = MMC_CAP_4_BIT_DATA |
 311                           MMC_CAP_8_BIT_DATA |
 312                           MMC_CAP_NEEDS_POLL,
 313         .get_cd         = slot_cn7_get_cd,
 314         .dma            = &sh_mmcif_dma,
 315 };
 316
 317 static struct platform_device sh_mmcif_device = {
 318         .name           = "sh_mmcif",
 319         .id             = 0,
 320         .dev            = {
 321                 .dma_mask               = NULL,
 322                 .coherent_dma_mask      = 0xffffffff,
 323                 .platform_data          = &sh_mmcif_plat,
 324         },
 325         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 326         .resource       = sh_mmcif_resources,
 327 };
 328
 329 /* SDHI0 */
 330 static struct sh_mobile_sdhi_info sdhi0_info = {
 331         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 332         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 333         .tmio_caps      = MMC_CAP_SDIO_IRQ,
 334 };
 335
 336 static struct resource sdhi0_resources[] = {
 337         [0] = {
 338                 .name   = "SDHI0",
 339                 .start  = 0xe6850000,
 340                 .end    = 0xe68500ff,
 341                 .flags  = IORESOURCE_MEM,
 342         },
 343         [1] = {
 344                 .start  = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
 345                 .flags  = IORESOURCE_IRQ,
 346         },
 347         [2] = {
 348                 .start  = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
 349                 .flags  = IORESOURCE_IRQ,
 350         },
 351         [3] = {
 352                 .start  = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
 353                 .flags  = IORESOURCE_IRQ,
 354         },
 355 };
 356
 357 static struct platform_device sdhi0_device = {
 358         .name           = "sh_mobile_sdhi",
 359         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 360         .resource       = sdhi0_resources,
 361         .id             = 0,
 362         .dev    = {
 363                 .platform_data  = &sdhi0_info,
 364         },
 365 };
 366
 367 /* SDHI1 */
 368 static struct sh_mobile_sdhi_info sdhi1_info = {
 369         .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
 370         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
 371         .tmio_ocr_mask  = MMC_VDD_165_195,
 372         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
 373         .tmio_caps      = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
 374         .get_cd         = slot_cn7_get_cd,
 375 };
 376
 377 static struct resource sdhi1_resources[] = {
 378         [0] = {
 379                 .name   = "SDHI1",
 380                 .start  = 0xe6860000,
 381                 .end    = 0xe68600ff,
 382                 .flags  = IORESOURCE_MEM,
 383         },
 384         [1] = {
 385                 .start  = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
 386                 .flags  = IORESOURCE_IRQ,
 387         },
 388         [2] = {
 389                 .start  = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
 390                 .flags  = IORESOURCE_IRQ,
 391         },
 392         [3] = {
 393                 .start  = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
 394                 .flags  = IORESOURCE_IRQ,
 395         },
 396 };
 397
 398 static struct platform_device sdhi1_device = {
 399         .name           = "sh_mobile_sdhi",
 400         .num_resources  = ARRAY_SIZE(sdhi1_resources),
 401         .resource       = sdhi1_resources,
 402         .id             = 1,
 403         .dev    = {
 404                 .platform_data  = &sdhi1_info,
 405         },
 406 };
 407
 408 /* USB1 */
 409 static void usb1_host_port_power(int port, int power)
 410 {
 411         if (!power) /* only power-on supported for now */
 412                 return;
 413
 414         /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
 415         __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
 416 }
 417
 418 static struct r8a66597_platdata usb1_host_data = {
 419         .on_chip        = 1,
 420         .port_power     = usb1_host_port_power,
 421 };
 422
 423 static struct resource usb1_host_resources[] = {
 424         [0] = {
 425                 .name   = "USBHS",
 426                 .start  = 0xE68B0000,
 427                 .end    = 0xE68B00E6 - 1,
 428                 .flags  = IORESOURCE_MEM,
 429         },
 430         [1] = {
 431                 .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
 432                 .flags  = IORESOURCE_IRQ,
 433         },
 434 };
 435
 436 static struct platform_device usb1_host_device = {
 437         .name   = "r8a66597_hcd",
 438         .id     = 1,
 439         .dev = {
 440                 .dma_mask               = NULL,         /*  not use dma */
 441                 .coherent_dma_mask      = 0xffffffff,
 442                 .platform_data          = &usb1_host_data,
 443         },
 444         .num_resources  = ARRAY_SIZE(usb1_host_resources),
 445         .resource       = usb1_host_resources,
 446 };
 447
 448 static const struct fb_videomode ap4evb_lcdc_modes[] = {
 449         {
 450 #ifdef CONFIG_AP4EVB_QHD
 451                 .name           = "R63302(QHD)",
 452                 .xres           = 544,
 453                 .yres           = 961,
 454                 .left_margin    = 72,
 455                 .right_margin   = 600,
 456                 .hsync_len      = 16,
 457                 .upper_margin   = 8,
 458                 .lower_margin   = 8,
 459                 .vsync_len      = 2,
 460                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 461 #else
 462                 .name           = "WVGA Panel",
 463                 .xres           = 800,
 464                 .yres           = 480,
 465                 .left_margin    = 220,
 466                 .right_margin   = 110,
 467                 .hsync_len      = 70,
 468                 .upper_margin   = 20,
 469                 .lower_margin   = 5,
 470                 .vsync_len      = 5,
 471                 .sync           = 0,
 472 #endif
 473         },
 474 };
 475 static struct sh_mobile_meram_cfg lcd_meram_cfg = {
 476         .icb[0] = {
 477                 .marker_icb     = 28,
 478                 .cache_icb      = 24,
 479                 .meram_offset   = 0x0,
 480                 .meram_size     = 0x40,
 481         },
 482         .icb[1] = {
 483                 .marker_icb     = 29,
 484                 .cache_icb      = 25,
 485                 .meram_offset   = 0x40,
 486                 .meram_size     = 0x40,
 487         },
 488 };
 489
 490 static struct sh_mobile_lcdc_info lcdc_info = {
 491         .meram_dev = &meram_info,
 492         .ch[0] = {
 493                 .chan = LCDC_CHAN_MAINLCD,
 494                 .bpp = 16,
 495                 .lcd_cfg = ap4evb_lcdc_modes,
 496                 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
 497                 .meram_cfg = &lcd_meram_cfg,
 498         }
 499 };
 500
 501 static struct resource lcdc_resources[] = {
 502         [0] = {
 503                 .name   = "LCDC",
 504                 .start  = 0xfe940000, /* P4-only space */
 505                 .end    = 0xfe943fff,
 506                 .flags  = IORESOURCE_MEM,
 507         },
 508         [1] = {
 509                 .start  = intcs_evt2irq(0x580),
 510                 .flags  = IORESOURCE_IRQ,
 511         },
 512 };
 513
 514 static struct platform_device lcdc_device = {
 515         .name           = "sh_mobile_lcdc_fb",
 516         .num_resources  = ARRAY_SIZE(lcdc_resources),
 517         .resource       = lcdc_resources,
 518         .dev    = {
 519                 .platform_data  = &lcdc_info,
 520                 .coherent_dma_mask = ~0,
 521         },
 522 };
 523
 524 /*
 525  * QHD display
 526  */
 527 #ifdef CONFIG_AP4EVB_QHD
 528
 529 /* KEYSC (Needs SW43 set to ON) */
 530 static struct sh_keysc_info keysc_info = {
 531         .mode           = SH_KEYSC_MODE_1,
 532         .scan_timing    = 3,
 533         .delay          = 2500,
 534         .keycodes = {
 535                 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 536                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
 537                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
 538                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
 539                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
 540         },
 541 };
 542
 543 static struct resource keysc_resources[] = {
 544         [0] = {
 545                 .name   = "KEYSC",
 546                 .start  = 0xe61b0000,
 547                 .end    = 0xe61b0063,
 548                 .flags  = IORESOURCE_MEM,
 549         },
 550         [1] = {
 551                 .start  = evt2irq(0x0be0), /* KEYSC_KEY */
 552                 .flags  = IORESOURCE_IRQ,
 553         },
 554 };
 555
 556 static struct platform_device keysc_device = {
 557         .name           = "sh_keysc",
 558         .id             = 0, /* "keysc0" clock */
 559         .num_resources  = ARRAY_SIZE(keysc_resources),
 560         .resource       = keysc_resources,
 561         .dev    = {
 562                 .platform_data  = &keysc_info,
 563         },
 564 };
 565
 566 /* MIPI-DSI */
 567 static struct resource mipidsi0_resources[] = {
 568         [0] = {
 569                 .start  = 0xffc60000,
 570                 .end    = 0xffc63073,
 571                 .flags  = IORESOURCE_MEM,
 572         },
 573         [1] = {
 574                 .start  = 0xffc68000,
 575                 .end    = 0xffc680ef,
 576                 .flags  = IORESOURCE_MEM,
 577         },
 578 };
 579
 580 static struct sh_mipi_dsi_info mipidsi0_info = {
 581         .data_format    = MIPI_RGB888,
 582         .lcd_chan       = &lcdc_info.ch[0],
 583         .vsynw_offset   = 17,
 584 };
 585
 586 static struct platform_device mipidsi0_device = {
 587         .name           = "sh-mipi-dsi",
 588         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 589         .resource       = mipidsi0_resources,
 590         .id             = 0,
 591         .dev    = {
 592                 .platform_data  = &mipidsi0_info,
 593         },
 594 };
 595
 596 static struct platform_device *qhd_devices[] __initdata = {
 597         &mipidsi0_device,
 598         &keysc_device,
 599 };
 600 #endif /* CONFIG_AP4EVB_QHD */
 601
 602 /* FSI */
 603 #define IRQ_FSI         evt2irq(0x1840)
 604 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
 605 {
 606         int ret = 0;
 607
 608         if (rate <= 0)
 609                 return ret;
 610
 611         if (enable) {
 612                 ret = clk_set_rate(clk, rate);
 613                 if (0 == ret)
 614                         ret = clk_enable(clk);
 615         } else {
 616                 clk_disable(clk);
 617         }
 618
 619         return ret;
 620 }
 621
 622 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
 623 {
 624         return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
 625 }
 626
 627 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
 628 {
 629         struct clk *fsia_ick;
 630         struct clk *fsiack;
 631         int ret = -EIO;
 632
 633         fsia_ick = clk_get(dev, "icka");
 634         if (IS_ERR(fsia_ick))
 635                 return PTR_ERR(fsia_ick);
 636
 637         /*
 638          * FSIACK is connected to AK4642,
 639          * and use external clock pin from it.
 640          * it is parent of fsia_ick now.
 641          */
 642         fsiack = clk_get_parent(fsia_ick);
 643         if (!fsiack)
 644                 goto fsia_ick_out;
 645
 646         /*
 647          * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
 648          *
 649          ** FIXME **
 650          * Because the freq_table of external clk (fsiack) are all 0,
 651          * the return value of clk_round_rate became 0.
 652          * So, it use __fsi_set_rate here.
 653          */
 654         ret = __fsi_set_rate(fsiack, rate, enable);
 655         if (ret < 0)
 656                 goto fsiack_out;
 657
 658         ret = __fsi_set_round_rate(fsia_ick, rate, enable);
 659         if ((ret < 0) && enable)
 660                 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
 661
 662 fsiack_out:
 663         clk_put(fsiack);
 664
 665 fsia_ick_out:
 666         clk_put(fsia_ick);
 667
 668         return 0;
 669 }
 670
 671 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
 672 {
 673         struct clk *fsib_clk;
 674         struct clk *fdiv_clk = &sh7372_fsidivb_clk;
 675         long fsib_rate = 0;
 676         long fdiv_rate = 0;
 677         int ackmd_bpfmd;
 678         int ret;
 679
 680         switch (rate) {
 681         case 44100:
 682                 fsib_rate       = rate * 256;
 683                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 684                 break;
 685         case 48000:
 686                 fsib_rate       = 85428000; /* around 48kHz x 256 x 7 */
 687                 fdiv_rate       = rate * 256;
 688                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 689                 break;
 690         default:
 691                 pr_err("unsupported rate in FSI2 port B\n");
 692                 return -EINVAL;
 693         }
 694
 695         /* FSI B setting */
 696         fsib_clk = clk_get(dev, "ickb");
 697         if (IS_ERR(fsib_clk))
 698                 return -EIO;
 699
 700         ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
 701         if (ret < 0)
 702                 goto fsi_set_rate_end;
 703
 704         /* FSI DIV setting */
 705         ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
 706         if (ret < 0) {
 707                 /* disable FSI B */
 708                 if (enable)
 709                         __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
 710                 goto fsi_set_rate_end;
 711         }
 712
 713         ret = ackmd_bpfmd;
 714
 715 fsi_set_rate_end:
 716         clk_put(fsib_clk);
 717         return ret;
 718 }
 719
 720 static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
 721 {
 722         int ret;
 723
 724         if (is_porta)
 725                 ret = fsi_ak4642_set_rate(dev, rate, enable);
 726         else
 727                 ret = fsi_hdmi_set_rate(dev, rate, enable);
 728
 729         return ret;
 730 }
 731
 732 static struct sh_fsi_platform_info fsi_info = {
 733         .porta_flags = SH_FSI_BRS_INV,
 734
 735         .portb_flags = SH_FSI_BRS_INV |
 736                        SH_FSI_BRM_INV |
 737                        SH_FSI_LRS_INV |
 738                        SH_FSI_FMT_SPDIF,
 739         .set_rate = fsi_set_rate,
 740 };
 741
 742 static struct resource fsi_resources[] = {
 743         [0] = {
 744                 .name   = "FSI",
 745                 .start  = 0xFE3C0000,
 746                 .end    = 0xFE3C0400 - 1,
 747                 .flags  = IORESOURCE_MEM,
 748         },
 749         [1] = {
 750                 .start  = IRQ_FSI,
 751                 .flags  = IORESOURCE_IRQ,
 752         },
 753 };
 754
 755 static struct platform_device fsi_device = {
 756         .name           = "sh_fsi2",
 757         .id             = -1,
 758         .num_resources  = ARRAY_SIZE(fsi_resources),
 759         .resource       = fsi_resources,
 760         .dev    = {
 761                 .platform_data  = &fsi_info,
 762         },
 763 };
 764
 765 static struct platform_device fsi_ak4643_device = {
 766         .name           = "sh_fsi2_a_ak4643",
 767 };
 768 static struct sh_mobile_meram_cfg hdmi_meram_cfg = {
 769         .icb[0] = {
 770                 .marker_icb     = 30,
 771                 .cache_icb      = 26,
 772                 .meram_offset   = 0x80,
 773                 .meram_size     = 0x100,
 774         },
 775         .icb[1] = {
 776                 .marker_icb     = 31,
 777                 .cache_icb      = 27,
 778                 .meram_offset   = 0x180,
 779                 .meram_size     = 0x100,
 780         },
 781 };
 782
 783 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
 784         .clock_source = LCDC_CLK_EXTERNAL,
 785         .meram_dev = &meram_info,
 786         .ch[0] = {
 787                 .chan = LCDC_CHAN_MAINLCD,
 788                 .bpp = 16,
 789                 .interface_type = RGB24,
 790                 .clock_divider = 1,
 791                 .flags = LCDC_FLAGS_DWPOL,
 792                 .meram_cfg = &hdmi_meram_cfg,
 793         }
 794 };
 795
 796 static struct resource lcdc1_resources[] = {
 797         [0] = {
 798                 .name   = "LCDC1",
 799                 .start  = 0xfe944000,
 800                 .end    = 0xfe947fff,
 801                 .flags  = IORESOURCE_MEM,
 802         },
 803         [1] = {
 804                 .start  = intcs_evt2irq(0x1780),
 805                 .flags  = IORESOURCE_IRQ,
 806         },
 807 };
 808
 809 static struct platform_device lcdc1_device = {
 810         .name           = "sh_mobile_lcdc_fb",
 811         .num_resources  = ARRAY_SIZE(lcdc1_resources),
 812         .resource       = lcdc1_resources,
 813         .id             = 1,
 814         .dev    = {
 815                 .platform_data  = &sh_mobile_lcdc1_info,
 816                 .coherent_dma_mask = ~0,
 817         },
 818 };
 819
 820 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 821                                 unsigned long *parent_freq);
 822
 823
 824 static struct sh_mobile_hdmi_info hdmi_info = {
 825         .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
 826         .lcd_dev = &lcdc1_device.dev,
 827         .flags = HDMI_SND_SRC_SPDIF,
 828         .clk_optimize_parent = ap4evb_clk_optimize,
 829 };
 830
 831 static struct resource hdmi_resources[] = {
 832         [0] = {
 833                 .name   = "HDMI",
 834                 .start  = 0xe6be0000,
 835                 .end    = 0xe6be00ff,
 836                 .flags  = IORESOURCE_MEM,
 837         },
 838         [1] = {
 839                 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
 840                 .start  = evt2irq(0x17e0),
 841                 .flags  = IORESOURCE_IRQ,
 842         },
 843 };
 844
 845 static struct platform_device hdmi_device = {
 846         .name           = "sh-mobile-hdmi",
 847         .num_resources  = ARRAY_SIZE(hdmi_resources),
 848         .resource       = hdmi_resources,
 849         .id             = -1,
 850         .dev    = {
 851                 .platform_data  = &hdmi_info,
 852         },
 853 };
 854
 855 static struct platform_device fsi_hdmi_device = {
 856         .name           = "sh_fsi2_b_hdmi",
 857 };
 858
 859 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 860                                 unsigned long *parent_freq)
 861 {
 862         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
 863         long error;
 864
 865         if (IS_ERR(hdmi_ick)) {
 866                 int ret = PTR_ERR(hdmi_ick);
 867                 pr_err("Cannot get HDMI ICK: %d\n", ret);
 868                 return ret;
 869         }
 870
 871         error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
 872
 873         clk_put(hdmi_ick);
 874
 875         return error;
 876 }
 877
 878 static struct gpio_led ap4evb_leds[] = {
 879         {
 880                 .name                   = "led4",
 881                 .gpio                   = GPIO_PORT185,
 882                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 883         },
 884         {
 885                 .name                   = "led2",
 886                 .gpio                   = GPIO_PORT186,
 887                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 888         },
 889         {
 890                 .name                   = "led3",
 891                 .gpio                   = GPIO_PORT187,
 892                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 893         },
 894         {
 895                 .name                   = "led1",
 896                 .gpio                   = GPIO_PORT188,
 897                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 898         }
 899 };
 900
 901 static struct gpio_led_platform_data ap4evb_leds_pdata = {
 902         .num_leds = ARRAY_SIZE(ap4evb_leds),
 903         .leds = ap4evb_leds,
 904 };
 905
 906 static struct platform_device leds_device = {
 907         .name = "leds-gpio",
 908         .id = 0,
 909         .dev = {
 910                 .platform_data  = &ap4evb_leds_pdata,
 911         },
 912 };
 913
 914 static struct i2c_board_info imx074_info = {
 915         I2C_BOARD_INFO("imx074", 0x1a),
 916 };
 917
 918 static struct soc_camera_link imx074_link = {
 919         .bus_id         = 0,
 920         .board_info     = &imx074_info,
 921         .i2c_adapter_id = 0,
 922         .module_name    = "imx074",
 923 };
 924
 925 static struct platform_device ap4evb_camera = {
 926         .name   = "soc-camera-pdrv",
 927         .id     = 0,
 928         .dev    = {
 929                 .platform_data = &imx074_link,
 930         },
 931 };
 932
 933 static struct sh_csi2_client_config csi2_clients[] = {
 934         {
 935                 .phy            = SH_CSI2_PHY_MAIN,
 936                 .lanes          = 3,
 937                 .channel        = 0,
 938                 .pdev           = &ap4evb_camera,
 939         },
 940 };
 941
 942 static struct sh_csi2_pdata csi2_info = {
 943         .type           = SH_CSI2C,
 944         .clients        = csi2_clients,
 945         .num_clients    = ARRAY_SIZE(csi2_clients),
 946         .flags          = SH_CSI2_ECC | SH_CSI2_CRC,
 947 };
 948
 949 static struct resource csi2_resources[] = {
 950         [0] = {
 951                 .name   = "CSI2",
 952                 .start  = 0xffc90000,
 953                 .end    = 0xffc90fff,
 954                 .flags  = IORESOURCE_MEM,
 955         },
 956         [1] = {
 957                 .start  = intcs_evt2irq(0x17a0),
 958                 .flags  = IORESOURCE_IRQ,
 959         },
 960 };
 961
 962 static struct sh_mobile_ceu_companion csi2 = {
 963         .id             = 0,
 964         .num_resources  = ARRAY_SIZE(csi2_resources),
 965         .resource       = csi2_resources,
 966         .platform_data  = &csi2_info,
 967 };
 968
 969 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
 970         .flags = SH_CEU_FLAG_USE_8BIT_BUS,
 971         .csi2 = &csi2,
 972 };
 973
 974 static struct resource ceu_resources[] = {
 975         [0] = {
 976                 .name   = "CEU",
 977                 .start  = 0xfe910000,
 978                 .end    = 0xfe91009f,
 979                 .flags  = IORESOURCE_MEM,
 980         },
 981         [1] = {
 982                 .start  = intcs_evt2irq(0x880),
 983                 .flags  = IORESOURCE_IRQ,
 984         },
 985         [2] = {
 986                 /* place holder for contiguous memory */
 987         },
 988 };
 989
 990 static struct platform_device ceu_device = {
 991         .name           = "sh_mobile_ceu",
 992         .id             = 0, /* "ceu0" clock */
 993         .num_resources  = ARRAY_SIZE(ceu_resources),
 994         .resource       = ceu_resources,
 995         .dev    = {
 996                 .platform_data          = &sh_mobile_ceu_info,
 997                 .coherent_dma_mask      = 0xffffffff,
 998         },
 999 };
1000
1001 static struct platform_device *ap4evb_devices[] __initdata = {
1002         &leds_device,
1003         &nor_flash_device,
1004         &smc911x_device,
1005         &sdhi0_device,
1006         &sdhi1_device,
1007         &usb1_host_device,
1008         &fsi_device,
1009         &fsi_ak4643_device,
1010         &fsi_hdmi_device,
1011         &sh_mmcif_device,
1012         &lcdc1_device,
1013         &lcdc_device,
1014         &hdmi_device,
1015         &ceu_device,
1016         &ap4evb_camera,
1017         &meram_device,
1018 };
1019
1020 static void __init hdmi_init_pm_clock(void)
1021 {
1022         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
1023         int ret;
1024         long rate;
1025
1026         if (IS_ERR(hdmi_ick)) {
1027                 ret = PTR_ERR(hdmi_ick);
1028                 pr_err("Cannot get HDMI ICK: %d\n", ret);
1029                 goto out;
1030         }
1031
1032         ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
1033         if (ret < 0) {
1034                 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
1035                 goto out;
1036         }
1037
1038         pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
1039
1040         rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
1041         if (rate < 0) {
1042                 pr_err("Cannot get suitable rate: %ld\n", rate);
1043                 ret = rate;
1044                 goto out;
1045         }
1046
1047         ret = clk_set_rate(&sh7372_pllc2_clk, rate);
1048         if (ret < 0) {
1049                 pr_err("Cannot set rate %ld: %d\n", rate, ret);
1050                 goto out;
1051         }
1052
1053         pr_debug("PLLC2 set frequency %lu\n", rate);
1054
1055         ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1056         if (ret < 0)
1057                 pr_err("Cannot set HDMI parent: %d\n", ret);
1058
1059 out:
1060         if (!IS_ERR(hdmi_ick))
1061                 clk_put(hdmi_ick);
1062 }
1063
1064 static void __init fsi_init_pm_clock(void)
1065 {
1066         struct clk *fsia_ick;
1067         int ret;
1068
1069         fsia_ick = clk_get(&fsi_device.dev, "icka");
1070         if (IS_ERR(fsia_ick)) {
1071                 ret = PTR_ERR(fsia_ick);
1072                 pr_err("Cannot get FSI ICK: %d\n", ret);
1073                 return;
1074         }
1075
1076         ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1077         if (ret < 0)
1078                 pr_err("Cannot set FSI-A parent: %d\n", ret);
1079
1080         clk_put(fsia_ick);
1081 }
1082
1083 /*
1084  * FIXME !!
1085  *
1086  * gpio_no_direction
1087  * are quick_hack.
1088  *
1089  * current gpio frame work doesn't have
1090  * the method to control only pull up/down/free.
1091  * this function should be replaced by correct gpio function
1092  */
1093 static void __init gpio_no_direction(u32 addr)
1094 {
1095         __raw_writeb(0x00, addr);
1096 }
1097
1098 /* TouchScreen */
1099 #ifdef CONFIG_AP4EVB_QHD
1100 # define GPIO_TSC_IRQ   GPIO_FN_IRQ28_123
1101 # define GPIO_TSC_PORT  GPIO_PORT123
1102 #else /* WVGA */
1103 # define GPIO_TSC_IRQ   GPIO_FN_IRQ7_40
1104 # define GPIO_TSC_PORT  GPIO_PORT40
1105 #endif
1106
1107 #define IRQ28   evt2irq(0x3380) /* IRQ28A */
1108 #define IRQ7    evt2irq(0x02e0) /* IRQ7A */
1109 static int ts_get_pendown_state(void)
1110 {
1111         int val;
1112
1113         gpio_free(GPIO_TSC_IRQ);
1114
1115         gpio_request(GPIO_TSC_PORT, NULL);
1116
1117         gpio_direction_input(GPIO_TSC_PORT);
1118
1119         val = gpio_get_value(GPIO_TSC_PORT);
1120
1121         gpio_request(GPIO_TSC_IRQ, NULL);
1122
1123         return !val;
1124 }
1125
1126 static int ts_init(void)
1127 {
1128         gpio_request(GPIO_TSC_IRQ, NULL);
1129
1130         return 0;
1131 }
1132
1133 static struct tsc2007_platform_data tsc2007_info = {
1134         .model                  = 2007,
1135         .x_plate_ohms           = 180,
1136         .get_pendown_state      = ts_get_pendown_state,
1137         .init_platform_hw       = ts_init,
1138 };
1139
1140 static struct i2c_board_info tsc_device = {
1141         I2C_BOARD_INFO("tsc2007", 0x48),
1142         .type           = "tsc2007",
1143         .platform_data  = &tsc2007_info,
1144         /*.irq is selected on ap4evb_init */
1145 };
1146
1147 /* I2C */
1148 static struct i2c_board_info i2c0_devices[] = {
1149         {
1150                 I2C_BOARD_INFO("ak4643", 0x13),
1151         },
1152 };
1153
1154 static struct i2c_board_info i2c1_devices[] = {
1155         {
1156                 I2C_BOARD_INFO("r2025sd", 0x32),
1157         },
1158 };
1159
1160 static struct map_desc ap4evb_io_desc[] __initdata = {
1161         /* create a 1:1 entity map for 0xe6xxxxxx
1162          * used by CPGA, INTC and PFC.
1163          */
1164         {
1165                 .virtual        = 0xe6000000,
1166                 .pfn            = __phys_to_pfn(0xe6000000),
1167                 .length         = 256 << 20,
1168                 .type           = MT_DEVICE_NONSHARED
1169         },
1170 };
1171
1172 static void __init ap4evb_map_io(void)
1173 {
1174         iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1175         /* DMA memory at 0xf6000000 - 0xffdfffff */
1176         init_consistent_dma_size(158 << 20);
1177
1178         /* setup early devices and console here as well */
1179         sh7372_add_early_devices();
1180         shmobile_setup_console();
1181 }
1182
1183 #define GPIO_PORT9CR    0xE6051009
1184 #define GPIO_PORT10CR   0xE605100A
1185 #define USCCR1          0xE6058144
1186 static void __init ap4evb_init(void)
1187 {
1188         u32 srcr4;
1189         struct clk *clk;
1190
1191         sh7372_pinmux_init();
1192
1193         /* enable SCIFA0 */
1194         gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1195         gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1196
1197         /* enable SMSC911X */
1198         gpio_request(GPIO_FN_CS5A,      NULL);
1199         gpio_request(GPIO_FN_IRQ6_39,   NULL);
1200
1201         /* enable Debug switch (S6) */
1202         gpio_request(GPIO_PORT32, NULL);
1203         gpio_request(GPIO_PORT33, NULL);
1204         gpio_request(GPIO_PORT34, NULL);
1205         gpio_request(GPIO_PORT35, NULL);
1206         gpio_direction_input(GPIO_PORT32);
1207         gpio_direction_input(GPIO_PORT33);
1208         gpio_direction_input(GPIO_PORT34);
1209         gpio_direction_input(GPIO_PORT35);
1210         gpio_export(GPIO_PORT32, 0);
1211         gpio_export(GPIO_PORT33, 0);
1212         gpio_export(GPIO_PORT34, 0);
1213         gpio_export(GPIO_PORT35, 0);
1214
1215         /* SDHI0 */
1216         gpio_request(GPIO_FN_SDHICD0, NULL);
1217         gpio_request(GPIO_FN_SDHIWP0, NULL);
1218         gpio_request(GPIO_FN_SDHICMD0, NULL);
1219         gpio_request(GPIO_FN_SDHICLK0, NULL);
1220         gpio_request(GPIO_FN_SDHID0_3, NULL);
1221         gpio_request(GPIO_FN_SDHID0_2, NULL);
1222         gpio_request(GPIO_FN_SDHID0_1, NULL);
1223         gpio_request(GPIO_FN_SDHID0_0, NULL);
1224
1225         /* SDHI1 */
1226         gpio_request(GPIO_FN_SDHICMD1, NULL);
1227         gpio_request(GPIO_FN_SDHICLK1, NULL);
1228         gpio_request(GPIO_FN_SDHID1_3, NULL);
1229         gpio_request(GPIO_FN_SDHID1_2, NULL);
1230         gpio_request(GPIO_FN_SDHID1_1, NULL);
1231         gpio_request(GPIO_FN_SDHID1_0, NULL);
1232
1233         /* MMCIF */
1234         gpio_request(GPIO_FN_MMCD0_0, NULL);
1235         gpio_request(GPIO_FN_MMCD0_1, NULL);
1236         gpio_request(GPIO_FN_MMCD0_2, NULL);
1237         gpio_request(GPIO_FN_MMCD0_3, NULL);
1238         gpio_request(GPIO_FN_MMCD0_4, NULL);
1239         gpio_request(GPIO_FN_MMCD0_5, NULL);
1240         gpio_request(GPIO_FN_MMCD0_6, NULL);
1241         gpio_request(GPIO_FN_MMCD0_7, NULL);
1242         gpio_request(GPIO_FN_MMCCMD0, NULL);
1243         gpio_request(GPIO_FN_MMCCLK0, NULL);
1244
1245         /* USB enable */
1246         gpio_request(GPIO_FN_VBUS0_1,    NULL);
1247         gpio_request(GPIO_FN_IDIN_1_18,  NULL);
1248         gpio_request(GPIO_FN_PWEN_1_115, NULL);
1249         gpio_request(GPIO_FN_OVCN_1_114, NULL);
1250         gpio_request(GPIO_FN_EXTLP_1,    NULL);
1251         gpio_request(GPIO_FN_OVCN2_1,    NULL);
1252
1253         /* setup USB phy */
1254         __raw_writew(0x8a0a, 0xE6058130);       /* USBCR4 */
1255
1256         /* enable FSI2 port A (ak4643) */
1257         gpio_request(GPIO_FN_FSIAIBT,   NULL);
1258         gpio_request(GPIO_FN_FSIAILR,   NULL);
1259         gpio_request(GPIO_FN_FSIAISLD,  NULL);
1260         gpio_request(GPIO_FN_FSIAOSLD,  NULL);
1261         gpio_request(GPIO_PORT161,      NULL);
1262         gpio_direction_output(GPIO_PORT161, 0); /* slave */
1263
1264         gpio_request(GPIO_PORT9, NULL);
1265         gpio_request(GPIO_PORT10, NULL);
1266         gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
1267         gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1268
1269         /* card detect pin for MMC slot (CN7) */
1270         gpio_request(GPIO_PORT41, NULL);
1271         gpio_direction_input(GPIO_PORT41);
1272
1273         /* setup FSI2 port B (HDMI) */
1274         gpio_request(GPIO_FN_FSIBCK, NULL);
1275         __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1276
1277         /* set SPU2 clock to 119.6 MHz */
1278         clk = clk_get(NULL, "spu_clk");
1279         if (!IS_ERR(clk)) {
1280                 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1281                 clk_put(clk);
1282         }
1283
1284         /*
1285          * set irq priority, to avoid sound chopping
1286          * when NFS rootfs is used
1287          *  FSI(3) > SMSC911X(2)
1288          */
1289         intc_set_priority(IRQ_FSI, 3);
1290
1291         i2c_register_board_info(0, i2c0_devices,
1292                                 ARRAY_SIZE(i2c0_devices));
1293
1294         i2c_register_board_info(1, i2c1_devices,
1295                                 ARRAY_SIZE(i2c1_devices));
1296
1297 #ifdef CONFIG_AP4EVB_QHD
1298
1299         /*
1300          * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1301          * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1302          */
1303
1304         /* enable KEYSC */
1305         gpio_request(GPIO_FN_KEYOUT0, NULL);
1306         gpio_request(GPIO_FN_KEYOUT1, NULL);
1307         gpio_request(GPIO_FN_KEYOUT2, NULL);
1308         gpio_request(GPIO_FN_KEYOUT3, NULL);
1309         gpio_request(GPIO_FN_KEYOUT4, NULL);
1310         gpio_request(GPIO_FN_KEYIN0_136, NULL);
1311         gpio_request(GPIO_FN_KEYIN1_135, NULL);
1312         gpio_request(GPIO_FN_KEYIN2_134, NULL);
1313         gpio_request(GPIO_FN_KEYIN3_133, NULL);
1314         gpio_request(GPIO_FN_KEYIN4,     NULL);
1315
1316         /* enable TouchScreen */
1317         irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1318
1319         tsc_device.irq = IRQ28;
1320         i2c_register_board_info(1, &tsc_device, 1);
1321
1322         /* LCDC0 */
1323         lcdc_info.clock_source                  = LCDC_CLK_PERIPHERAL;
1324         lcdc_info.ch[0].interface_type          = RGB24;
1325         lcdc_info.ch[0].clock_divider           = 1;
1326         lcdc_info.ch[0].flags                   = LCDC_FLAGS_DWPOL;
1327         lcdc_info.ch[0].lcd_size_cfg.width      = 44;
1328         lcdc_info.ch[0].lcd_size_cfg.height     = 79;
1329
1330         platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1331
1332 #else
1333         /*
1334          * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1335          * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1336          */
1337
1338         gpio_request(GPIO_FN_LCDD17,   NULL);
1339         gpio_request(GPIO_FN_LCDD16,   NULL);
1340         gpio_request(GPIO_FN_LCDD15,   NULL);
1341         gpio_request(GPIO_FN_LCDD14,   NULL);
1342         gpio_request(GPIO_FN_LCDD13,   NULL);
1343         gpio_request(GPIO_FN_LCDD12,   NULL);
1344         gpio_request(GPIO_FN_LCDD11,   NULL);
1345         gpio_request(GPIO_FN_LCDD10,   NULL);
1346         gpio_request(GPIO_FN_LCDD9,    NULL);
1347         gpio_request(GPIO_FN_LCDD8,    NULL);
1348         gpio_request(GPIO_FN_LCDD7,    NULL);
1349         gpio_request(GPIO_FN_LCDD6,    NULL);
1350         gpio_request(GPIO_FN_LCDD5,    NULL);
1351         gpio_request(GPIO_FN_LCDD4,    NULL);
1352         gpio_request(GPIO_FN_LCDD3,    NULL);
1353         gpio_request(GPIO_FN_LCDD2,    NULL);
1354         gpio_request(GPIO_FN_LCDD1,    NULL);
1355         gpio_request(GPIO_FN_LCDD0,    NULL);
1356         gpio_request(GPIO_FN_LCDDISP,  NULL);
1357         gpio_request(GPIO_FN_LCDDCK,   NULL);
1358
1359         gpio_request(GPIO_PORT189, NULL); /* backlight */
1360         gpio_direction_output(GPIO_PORT189, 1);
1361
1362         gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1363         gpio_direction_output(GPIO_PORT151, 1);
1364
1365         lcdc_info.clock_source                  = LCDC_CLK_BUS;
1366         lcdc_info.ch[0].interface_type          = RGB18;
1367         lcdc_info.ch[0].clock_divider           = 3;
1368         lcdc_info.ch[0].flags                   = 0;
1369         lcdc_info.ch[0].lcd_size_cfg.width      = 152;
1370         lcdc_info.ch[0].lcd_size_cfg.height     = 91;
1371
1372         /* enable TouchScreen */
1373         irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1374
1375         tsc_device.irq = IRQ7;
1376         i2c_register_board_info(0, &tsc_device, 1);
1377 #endif /* CONFIG_AP4EVB_QHD */
1378
1379         /* CEU */
1380
1381         /*
1382          * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1383          * becomes available
1384          */
1385
1386         /* MIPI-CSI stuff */
1387         gpio_request(GPIO_FN_VIO_CKO, NULL);
1388
1389         clk = clk_get(NULL, "vck1_clk");
1390         if (!IS_ERR(clk)) {
1391                 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1392                 clk_enable(clk);
1393                 clk_put(clk);
1394         }
1395
1396         sh7372_add_standard_devices();
1397
1398         /* HDMI */
1399         gpio_request(GPIO_FN_HDMI_HPD, NULL);
1400         gpio_request(GPIO_FN_HDMI_CEC, NULL);
1401
1402         /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1403 #define SRCR4 0xe61580bc
1404         srcr4 = __raw_readl(SRCR4);
1405         __raw_writel(srcr4 | (1 << 13), SRCR4);
1406         udelay(50);
1407         __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1408
1409         platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1410
1411         sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
1412         sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
1413         sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
1414
1415         sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
1416         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
1417         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
1418         sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
1419
1420         hdmi_init_pm_clock();
1421         fsi_init_pm_clock();
1422         sh7372_pm_init();
1423         pm_clk_add(&fsi_device.dev, "spu2");
1424         pm_clk_add(&lcdc1_device.dev, "hdmi");
1425 }
1426
1427 static void __init ap4evb_timer_init(void)
1428 {
1429         sh7372_clock_init();
1430         shmobile_timer.init();
1431
1432         /* External clock source */
1433         clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1434 }
1435
1436 static struct sys_timer ap4evb_timer = {
1437         .init           = ap4evb_timer_init,
1438 };
1439
1440 MACHINE_START(AP4EVB, "ap4evb")
1441         .map_io         = ap4evb_map_io,
1442         .init_irq       = sh7372_init_irq,
1443         .handle_irq     = shmobile_handle_irq_intc,
1444         .init_machine   = ap4evb_init,
1445         .timer          = &ap4evb_timer,
1446 MACHINE_END