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