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/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  = 0x20000000, /* CS0 shadow instead of regular CS0 */
 202                 .end    = 0x28000000 - 1, /* needed by USB MASK ROM boot */
 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   = "regs",
 260                 .start  = 0xe8000000,
 261                 .end    = 0xe807ffff,
 262                 .flags  = IORESOURCE_MEM,
 263         },
 264         [1] = {
 265                 .name   = "meram",
 266                 .start  = 0xe8080000,
 267                 .end    = 0xe81fffff,
 268                 .flags  = IORESOURCE_MEM,
 269         },
 270 };
 271
 272 static struct platform_device meram_device = {
 273         .name           = "sh_mobile_meram",
 274         .id             = 0,
 275         .num_resources  = ARRAY_SIZE(meram_resources),
 276         .resource       = meram_resources,
 277         .dev            = {
 278                 .platform_data = &meram_info,
 279         },
 280 };
 281
 282 /* SH_MMCIF */
 283 static struct resource sh_mmcif_resources[] = {
 284         [0] = {
 285                 .name   = "MMCIF",
 286                 .start  = 0xE6BD0000,
 287                 .end    = 0xE6BD00FF,
 288                 .flags  = IORESOURCE_MEM,
 289         },
 290         [1] = {
 291                 /* MMC ERR */
 292                 .start  = evt2irq(0x1ac0),
 293                 .flags  = IORESOURCE_IRQ,
 294         },
 295         [2] = {
 296                 /* MMC NOR */
 297                 .start  = evt2irq(0x1ae0),
 298                 .flags  = IORESOURCE_IRQ,
 299         },
 300 };
 301
 302 static struct sh_mmcif_plat_data sh_mmcif_plat = {
 303         .sup_pclk       = 0,
 304         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
 305         .caps           = MMC_CAP_4_BIT_DATA |
 306                           MMC_CAP_8_BIT_DATA |
 307                           MMC_CAP_NEEDS_POLL,
 308         .get_cd         = slot_cn7_get_cd,
 309         .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
 310         .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 311 };
 312
 313 static struct platform_device sh_mmcif_device = {
 314         .name           = "sh_mmcif",
 315         .id             = 0,
 316         .dev            = {
 317                 .dma_mask               = NULL,
 318                 .coherent_dma_mask      = 0xffffffff,
 319                 .platform_data          = &sh_mmcif_plat,
 320         },
 321         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 322         .resource       = sh_mmcif_resources,
 323 };
 324
 325 /* SDHI0 */
 326 static struct sh_mobile_sdhi_info sdhi0_info = {
 327         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 328         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 329         .tmio_caps      = MMC_CAP_SDIO_IRQ,
 330 };
 331
 332 static struct resource sdhi0_resources[] = {
 333         [0] = {
 334                 .name   = "SDHI0",
 335                 .start  = 0xe6850000,
 336                 .end    = 0xe68500ff,
 337                 .flags  = IORESOURCE_MEM,
 338         },
 339         [1] = {
 340                 .start  = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
 341                 .flags  = IORESOURCE_IRQ,
 342         },
 343         [2] = {
 344                 .start  = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
 345                 .flags  = IORESOURCE_IRQ,
 346         },
 347         [3] = {
 348                 .start  = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
 349                 .flags  = IORESOURCE_IRQ,
 350         },
 351 };
 352
 353 static struct platform_device sdhi0_device = {
 354         .name           = "sh_mobile_sdhi",
 355         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 356         .resource       = sdhi0_resources,
 357         .id             = 0,
 358         .dev    = {
 359                 .platform_data  = &sdhi0_info,
 360         },
 361 };
 362
 363 /* SDHI1 */
 364 static struct sh_mobile_sdhi_info sdhi1_info = {
 365         .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
 366         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
 367         .tmio_ocr_mask  = MMC_VDD_165_195,
 368         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
 369         .tmio_caps      = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
 370         .get_cd         = slot_cn7_get_cd,
 371 };
 372
 373 static struct resource sdhi1_resources[] = {
 374         [0] = {
 375                 .name   = "SDHI1",
 376                 .start  = 0xe6860000,
 377                 .end    = 0xe68600ff,
 378                 .flags  = IORESOURCE_MEM,
 379         },
 380         [1] = {
 381                 .start  = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
 382                 .flags  = IORESOURCE_IRQ,
 383         },
 384         [2] = {
 385                 .start  = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
 386                 .flags  = IORESOURCE_IRQ,
 387         },
 388         [3] = {
 389                 .start  = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
 390                 .flags  = IORESOURCE_IRQ,
 391         },
 392 };
 393
 394 static struct platform_device sdhi1_device = {
 395         .name           = "sh_mobile_sdhi",
 396         .num_resources  = ARRAY_SIZE(sdhi1_resources),
 397         .resource       = sdhi1_resources,
 398         .id             = 1,
 399         .dev    = {
 400                 .platform_data  = &sdhi1_info,
 401         },
 402 };
 403
 404 /* USB1 */
 405 static void usb1_host_port_power(int port, int power)
 406 {
 407         if (!power) /* only power-on supported for now */
 408                 return;
 409
 410         /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
 411         __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
 412 }
 413
 414 static struct r8a66597_platdata usb1_host_data = {
 415         .on_chip        = 1,
 416         .port_power     = usb1_host_port_power,
 417 };
 418
 419 static struct resource usb1_host_resources[] = {
 420         [0] = {
 421                 .name   = "USBHS",
 422                 .start  = 0xE68B0000,
 423                 .end    = 0xE68B00E6 - 1,
 424                 .flags  = IORESOURCE_MEM,
 425         },
 426         [1] = {
 427                 .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
 428                 .flags  = IORESOURCE_IRQ,
 429         },
 430 };
 431
 432 static struct platform_device usb1_host_device = {
 433         .name   = "r8a66597_hcd",
 434         .id     = 1,
 435         .dev = {
 436                 .dma_mask               = NULL,         /*  not use dma */
 437                 .coherent_dma_mask      = 0xffffffff,
 438                 .platform_data          = &usb1_host_data,
 439         },
 440         .num_resources  = ARRAY_SIZE(usb1_host_resources),
 441         .resource       = usb1_host_resources,
 442 };
 443
 444 /*
 445  * QHD display
 446  */
 447 #ifdef CONFIG_AP4EVB_QHD
 448
 449 /* KEYSC (Needs SW43 set to ON) */
 450 static struct sh_keysc_info keysc_info = {
 451         .mode           = SH_KEYSC_MODE_1,
 452         .scan_timing    = 3,
 453         .delay          = 2500,
 454         .keycodes = {
 455                 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 456                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
 457                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
 458                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
 459                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
 460         },
 461 };
 462
 463 static struct resource keysc_resources[] = {
 464         [0] = {
 465                 .name   = "KEYSC",
 466                 .start  = 0xe61b0000,
 467                 .end    = 0xe61b0063,
 468                 .flags  = IORESOURCE_MEM,
 469         },
 470         [1] = {
 471                 .start  = evt2irq(0x0be0), /* KEYSC_KEY */
 472                 .flags  = IORESOURCE_IRQ,
 473         },
 474 };
 475
 476 static struct platform_device keysc_device = {
 477         .name           = "sh_keysc",
 478         .id             = 0, /* "keysc0" clock */
 479         .num_resources  = ARRAY_SIZE(keysc_resources),
 480         .resource       = keysc_resources,
 481         .dev    = {
 482                 .platform_data  = &keysc_info,
 483         },
 484 };
 485
 486 /* MIPI-DSI */
 487 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
 488                                  void __iomem *base,
 489                                  int enable)
 490 {
 491         struct clk *pck = clk_get(&pdev->dev, "dsip_clk");
 492
 493         if (IS_ERR(pck))
 494                 return PTR_ERR(pck);
 495
 496         if (enable) {
 497                 /*
 498                  * DSIPCLK      = 24MHz
 499                  * D-PHY        = DSIPCLK * ((0x6*2)+1) = 312MHz (see .phyctrl)
 500                  * HsByteCLK    = D-PHY/8 = 39MHz
 501                  *
 502                  *  X * Y * FPS =
 503                  * (544+72+600+16) * (961+8+8+2) * 30 = 36.1MHz
 504                  */
 505                 clk_set_rate(pck, clk_round_rate(pck, 24000000));
 506                 clk_enable(pck);
 507         } else {
 508                 clk_disable(pck);
 509         }
 510
 511         clk_put(pck);
 512
 513         return 0;
 514 }
 515
 516 static struct resource mipidsi0_resources[] = {
 517         [0] = {
 518                 .start  = 0xffc60000,
 519                 .end    = 0xffc63073,
 520                 .flags  = IORESOURCE_MEM,
 521         },
 522         [1] = {
 523                 .start  = 0xffc68000,
 524                 .end    = 0xffc680ef,
 525                 .flags  = IORESOURCE_MEM,
 526         },
 527 };
 528
 529 static struct sh_mobile_lcdc_info lcdc_info;
 530
 531 static struct sh_mipi_dsi_info mipidsi0_info = {
 532         .data_format    = MIPI_RGB888,
 533         .lcd_chan       = &lcdc_info.ch[0],
 534         .lane           = 2,
 535         .vsynw_offset   = 17,
 536         .phyctrl        = 0x6 << 8,
 537         .flags          = SH_MIPI_DSI_SYNC_PULSES_MODE |
 538                           SH_MIPI_DSI_HSbyteCLK,
 539         .set_dot_clock  = sh_mipi_set_dot_clock,
 540 };
 541
 542 static struct platform_device mipidsi0_device = {
 543         .name           = "sh-mipi-dsi",
 544         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 545         .resource       = mipidsi0_resources,
 546         .id             = 0,
 547         .dev    = {
 548                 .platform_data  = &mipidsi0_info,
 549         },
 550 };
 551
 552 static struct platform_device *qhd_devices[] __initdata = {
 553         &mipidsi0_device,
 554         &keysc_device,
 555 };
 556 #endif /* CONFIG_AP4EVB_QHD */
 557
 558 /* LCDC0 */
 559 static const struct fb_videomode ap4evb_lcdc_modes[] = {
 560         {
 561 #ifdef CONFIG_AP4EVB_QHD
 562                 .name           = "R63302(QHD)",
 563                 .xres           = 544,
 564                 .yres           = 961,
 565                 .left_margin    = 72,
 566                 .right_margin   = 600,
 567                 .hsync_len      = 16,
 568                 .upper_margin   = 8,
 569                 .lower_margin   = 8,
 570                 .vsync_len      = 2,
 571                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 572 #else
 573                 .name           = "WVGA Panel",
 574                 .xres           = 800,
 575                 .yres           = 480,
 576                 .left_margin    = 220,
 577                 .right_margin   = 110,
 578                 .hsync_len      = 70,
 579                 .upper_margin   = 20,
 580                 .lower_margin   = 5,
 581                 .vsync_len      = 5,
 582                 .sync           = 0,
 583 #endif
 584         },
 585 };
 586
 587 static const struct sh_mobile_meram_cfg lcd_meram_cfg = {
 588         .icb[0] = {
 589                 .meram_size     = 0x40,
 590         },
 591         .icb[1] = {
 592                 .meram_size     = 0x40,
 593         },
 594 };
 595
 596 static struct sh_mobile_lcdc_info lcdc_info = {
 597         .meram_dev = &meram_info,
 598         .ch[0] = {
 599                 .chan = LCDC_CHAN_MAINLCD,
 600                 .fourcc = V4L2_PIX_FMT_RGB565,
 601                 .lcd_modes = ap4evb_lcdc_modes,
 602                 .num_modes = ARRAY_SIZE(ap4evb_lcdc_modes),
 603                 .meram_cfg = &lcd_meram_cfg,
 604 #ifdef CONFIG_AP4EVB_QHD
 605                 .tx_dev = &mipidsi0_device,
 606 #endif
 607         }
 608 };
 609
 610 static struct resource lcdc_resources[] = {
 611         [0] = {
 612                 .name   = "LCDC",
 613                 .start  = 0xfe940000, /* P4-only space */
 614                 .end    = 0xfe943fff,
 615                 .flags  = IORESOURCE_MEM,
 616         },
 617         [1] = {
 618                 .start  = intcs_evt2irq(0x580),
 619                 .flags  = IORESOURCE_IRQ,
 620         },
 621 };
 622
 623 static struct platform_device lcdc_device = {
 624         .name           = "sh_mobile_lcdc_fb",
 625         .num_resources  = ARRAY_SIZE(lcdc_resources),
 626         .resource       = lcdc_resources,
 627         .dev    = {
 628                 .platform_data  = &lcdc_info,
 629                 .coherent_dma_mask = ~0,
 630         },
 631 };
 632
 633 /* FSI */
 634 #define IRQ_FSI         evt2irq(0x1840)
 635 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
 636 {
 637         int ret = 0;
 638
 639         if (rate <= 0)
 640                 return ret;
 641
 642         if (enable) {
 643                 ret = clk_set_rate(clk, rate);
 644                 if (0 == ret)
 645                         ret = clk_enable(clk);
 646         } else {
 647                 clk_disable(clk);
 648         }
 649
 650         return ret;
 651 }
 652
 653 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
 654 {
 655         return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
 656 }
 657
 658 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
 659 {
 660         struct clk *fsia_ick;
 661         struct clk *fsiack;
 662         int ret = -EIO;
 663
 664         fsia_ick = clk_get(dev, "icka");
 665         if (IS_ERR(fsia_ick))
 666                 return PTR_ERR(fsia_ick);
 667
 668         /*
 669          * FSIACK is connected to AK4642,
 670          * and use external clock pin from it.
 671          * it is parent of fsia_ick now.
 672          */
 673         fsiack = clk_get_parent(fsia_ick);
 674         if (!fsiack)
 675                 goto fsia_ick_out;
 676
 677         /*
 678          * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
 679          *
 680          ** FIXME **
 681          * Because the freq_table of external clk (fsiack) are all 0,
 682          * the return value of clk_round_rate became 0.
 683          * So, it use __fsi_set_rate here.
 684          */
 685         ret = __fsi_set_rate(fsiack, rate, enable);
 686         if (ret < 0)
 687                 goto fsiack_out;
 688
 689         ret = __fsi_set_round_rate(fsia_ick, rate, enable);
 690         if ((ret < 0) && enable)
 691                 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
 692
 693 fsiack_out:
 694         clk_put(fsiack);
 695
 696 fsia_ick_out:
 697         clk_put(fsia_ick);
 698
 699         return 0;
 700 }
 701
 702 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
 703 {
 704         struct clk *fsib_clk;
 705         struct clk *fdiv_clk = &sh7372_fsidivb_clk;
 706         long fsib_rate = 0;
 707         long fdiv_rate = 0;
 708         int ackmd_bpfmd;
 709         int ret;
 710
 711         switch (rate) {
 712         case 44100:
 713                 fsib_rate       = rate * 256;
 714                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 715                 break;
 716         case 48000:
 717                 fsib_rate       = 85428000; /* around 48kHz x 256 x 7 */
 718                 fdiv_rate       = rate * 256;
 719                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 720                 break;
 721         default:
 722                 pr_err("unsupported rate in FSI2 port B\n");
 723                 return -EINVAL;
 724         }
 725
 726         /* FSI B setting */
 727         fsib_clk = clk_get(dev, "ickb");
 728         if (IS_ERR(fsib_clk))
 729                 return -EIO;
 730
 731         ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
 732         if (ret < 0)
 733                 goto fsi_set_rate_end;
 734
 735         /* FSI DIV setting */
 736         ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
 737         if (ret < 0) {
 738                 /* disable FSI B */
 739                 if (enable)
 740                         __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
 741                 goto fsi_set_rate_end;
 742         }
 743
 744         ret = ackmd_bpfmd;
 745
 746 fsi_set_rate_end:
 747         clk_put(fsib_clk);
 748         return ret;
 749 }
 750
 751 static struct sh_fsi_platform_info fsi_info = {
 752         .port_a = {
 753                 .flags          = SH_FSI_BRS_INV,
 754                 .set_rate       = fsi_ak4642_set_rate,
 755         },
 756         .port_b = {
 757                 .flags          = SH_FSI_BRS_INV |
 758                                   SH_FSI_BRM_INV |
 759                                   SH_FSI_LRS_INV |
 760                                   SH_FSI_FMT_SPDIF,
 761                 .set_rate       = fsi_hdmi_set_rate,
 762         },
 763 };
 764
 765 static struct resource fsi_resources[] = {
 766         [0] = {
 767                 .name   = "FSI",
 768                 .start  = 0xFE3C0000,
 769                 .end    = 0xFE3C0400 - 1,
 770                 .flags  = IORESOURCE_MEM,
 771         },
 772         [1] = {
 773                 .start  = IRQ_FSI,
 774                 .flags  = IORESOURCE_IRQ,
 775         },
 776 };
 777
 778 static struct platform_device fsi_device = {
 779         .name           = "sh_fsi2",
 780         .id             = -1,
 781         .num_resources  = ARRAY_SIZE(fsi_resources),
 782         .resource       = fsi_resources,
 783         .dev    = {
 784                 .platform_data  = &fsi_info,
 785         },
 786 };
 787
 788 static struct fsi_ak4642_info fsi2_ak4643_info = {
 789         .name           = "AK4643",
 790         .card           = "FSI2A-AK4643",
 791         .cpu_dai        = "fsia-dai",
 792         .codec          = "ak4642-codec.0-0013",
 793         .platform       = "sh_fsi2",
 794         .id             = FSI_PORT_A,
 795 };
 796
 797 static struct platform_device fsi_ak4643_device = {
 798         .name   = "fsi-ak4642-audio",
 799         .dev    = {
 800                 .platform_data  = &fsi2_ak4643_info,
 801         },
 802 };
 803
 804 /* LCDC1 */
 805 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 806                                 unsigned long *parent_freq);
 807
 808 static struct sh_mobile_hdmi_info hdmi_info = {
 809         .flags = HDMI_SND_SRC_SPDIF,
 810         .clk_optimize_parent = ap4evb_clk_optimize,
 811 };
 812
 813 static struct resource hdmi_resources[] = {
 814         [0] = {
 815                 .name   = "HDMI",
 816                 .start  = 0xe6be0000,
 817                 .end    = 0xe6be00ff,
 818                 .flags  = IORESOURCE_MEM,
 819         },
 820         [1] = {
 821                 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
 822                 .start  = evt2irq(0x17e0),
 823                 .flags  = IORESOURCE_IRQ,
 824         },
 825 };
 826
 827 static struct platform_device hdmi_device = {
 828         .name           = "sh-mobile-hdmi",
 829         .num_resources  = ARRAY_SIZE(hdmi_resources),
 830         .resource       = hdmi_resources,
 831         .id             = -1,
 832         .dev    = {
 833                 .platform_data  = &hdmi_info,
 834         },
 835 };
 836
 837 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 838                                 unsigned long *parent_freq)
 839 {
 840         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
 841         long error;
 842
 843         if (IS_ERR(hdmi_ick)) {
 844                 int ret = PTR_ERR(hdmi_ick);
 845                 pr_err("Cannot get HDMI ICK: %d\n", ret);
 846                 return ret;
 847         }
 848
 849         error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
 850
 851         clk_put(hdmi_ick);
 852
 853         return error;
 854 }
 855
 856 static const struct sh_mobile_meram_cfg hdmi_meram_cfg = {
 857         .icb[0] = {
 858                 .meram_size     = 0x100,
 859         },
 860         .icb[1] = {
 861                 .meram_size     = 0x100,
 862         },
 863 };
 864
 865 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
 866         .clock_source = LCDC_CLK_EXTERNAL,
 867         .meram_dev = &meram_info,
 868         .ch[0] = {
 869                 .chan = LCDC_CHAN_MAINLCD,
 870                 .fourcc = V4L2_PIX_FMT_RGB565,
 871                 .interface_type = RGB24,
 872                 .clock_divider = 1,
 873                 .flags = LCDC_FLAGS_DWPOL,
 874                 .meram_cfg = &hdmi_meram_cfg,
 875                 .tx_dev = &hdmi_device,
 876         }
 877 };
 878
 879 static struct resource lcdc1_resources[] = {
 880         [0] = {
 881                 .name   = "LCDC1",
 882                 .start  = 0xfe944000,
 883                 .end    = 0xfe947fff,
 884                 .flags  = IORESOURCE_MEM,
 885         },
 886         [1] = {
 887                 .start  = intcs_evt2irq(0x1780),
 888                 .flags  = IORESOURCE_IRQ,
 889         },
 890 };
 891
 892 static struct platform_device lcdc1_device = {
 893         .name           = "sh_mobile_lcdc_fb",
 894         .num_resources  = ARRAY_SIZE(lcdc1_resources),
 895         .resource       = lcdc1_resources,
 896         .id             = 1,
 897         .dev    = {
 898                 .platform_data  = &sh_mobile_lcdc1_info,
 899                 .coherent_dma_mask = ~0,
 900         },
 901 };
 902
 903 static struct platform_device fsi_hdmi_device = {
 904         .name           = "sh_fsi2_b_hdmi",
 905 };
 906
 907 static struct gpio_led ap4evb_leds[] = {
 908         {
 909                 .name                   = "led4",
 910                 .gpio                   = GPIO_PORT185,
 911                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 912         },
 913         {
 914                 .name                   = "led2",
 915                 .gpio                   = GPIO_PORT186,
 916                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 917         },
 918         {
 919                 .name                   = "led3",
 920                 .gpio                   = GPIO_PORT187,
 921                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 922         },
 923         {
 924                 .name                   = "led1",
 925                 .gpio                   = GPIO_PORT188,
 926                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 927         }
 928 };
 929
 930 static struct gpio_led_platform_data ap4evb_leds_pdata = {
 931         .num_leds = ARRAY_SIZE(ap4evb_leds),
 932         .leds = ap4evb_leds,
 933 };
 934
 935 static struct platform_device leds_device = {
 936         .name = "leds-gpio",
 937         .id = 0,
 938         .dev = {
 939                 .platform_data  = &ap4evb_leds_pdata,
 940         },
 941 };
 942
 943 static struct i2c_board_info imx074_info = {
 944         I2C_BOARD_INFO("imx074", 0x1a),
 945 };
 946
 947 static struct soc_camera_link imx074_link = {
 948         .bus_id         = 0,
 949         .board_info     = &imx074_info,
 950         .i2c_adapter_id = 0,
 951         .module_name    = "imx074",
 952 };
 953
 954 static struct platform_device ap4evb_camera = {
 955         .name   = "soc-camera-pdrv",
 956         .id     = 0,
 957         .dev    = {
 958                 .platform_data = &imx074_link,
 959         },
 960 };
 961
 962 static struct sh_csi2_client_config csi2_clients[] = {
 963         {
 964                 .phy            = SH_CSI2_PHY_MAIN,
 965                 .lanes          = 0,            /* default: 2 lanes */
 966                 .channel        = 0,
 967                 .pdev           = &ap4evb_camera,
 968         },
 969 };
 970
 971 static struct sh_csi2_pdata csi2_info = {
 972         .type           = SH_CSI2C,
 973         .clients        = csi2_clients,
 974         .num_clients    = ARRAY_SIZE(csi2_clients),
 975         .flags          = SH_CSI2_ECC | SH_CSI2_CRC,
 976 };
 977
 978 static struct resource csi2_resources[] = {
 979         [0] = {
 980                 .name   = "CSI2",
 981                 .start  = 0xffc90000,
 982                 .end    = 0xffc90fff,
 983                 .flags  = IORESOURCE_MEM,
 984         },
 985         [1] = {
 986                 .start  = intcs_evt2irq(0x17a0),
 987                 .flags  = IORESOURCE_IRQ,
 988         },
 989 };
 990
 991 static struct sh_mobile_ceu_companion csi2 = {
 992         .id             = 0,
 993         .num_resources  = ARRAY_SIZE(csi2_resources),
 994         .resource       = csi2_resources,
 995         .platform_data  = &csi2_info,
 996 };
 997
 998 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
 999         .flags = SH_CEU_FLAG_USE_8BIT_BUS,
1000         .csi2 = &csi2,
1001 };
1002
1003 static struct resource ceu_resources[] = {
1004         [0] = {
1005                 .name   = "CEU",
1006                 .start  = 0xfe910000,
1007                 .end    = 0xfe91009f,
1008                 .flags  = IORESOURCE_MEM,
1009         },
1010         [1] = {
1011                 .start  = intcs_evt2irq(0x880),
1012                 .flags  = IORESOURCE_IRQ,
1013         },
1014         [2] = {
1015                 /* place holder for contiguous memory */
1016         },
1017 };
1018
1019 static struct platform_device ceu_device = {
1020         .name           = "sh_mobile_ceu",
1021         .id             = 0, /* "ceu0" clock */
1022         .num_resources  = ARRAY_SIZE(ceu_resources),
1023         .resource       = ceu_resources,
1024         .dev    = {
1025                 .platform_data          = &sh_mobile_ceu_info,
1026                 .coherent_dma_mask      = 0xffffffff,
1027         },
1028 };
1029
1030 static struct platform_device *ap4evb_devices[] __initdata = {
1031         &leds_device,
1032         &nor_flash_device,
1033         &smc911x_device,
1034         &sdhi0_device,
1035         &sdhi1_device,
1036         &usb1_host_device,
1037         &fsi_device,
1038         &fsi_ak4643_device,
1039         &fsi_hdmi_device,
1040         &sh_mmcif_device,
1041         &hdmi_device,
1042         &lcdc_device,
1043         &lcdc1_device,
1044         &ceu_device,
1045         &ap4evb_camera,
1046         &meram_device,
1047 };
1048
1049 static void __init hdmi_init_pm_clock(void)
1050 {
1051         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
1052         int ret;
1053         long rate;
1054
1055         if (IS_ERR(hdmi_ick)) {
1056                 ret = PTR_ERR(hdmi_ick);
1057                 pr_err("Cannot get HDMI ICK: %d\n", ret);
1058                 goto out;
1059         }
1060
1061         ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
1062         if (ret < 0) {
1063                 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
1064                 goto out;
1065         }
1066
1067         pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
1068
1069         rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
1070         if (rate < 0) {
1071                 pr_err("Cannot get suitable rate: %ld\n", rate);
1072                 ret = rate;
1073                 goto out;
1074         }
1075
1076         ret = clk_set_rate(&sh7372_pllc2_clk, rate);
1077         if (ret < 0) {
1078                 pr_err("Cannot set rate %ld: %d\n", rate, ret);
1079                 goto out;
1080         }
1081
1082         pr_debug("PLLC2 set frequency %lu\n", rate);
1083
1084         ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1085         if (ret < 0)
1086                 pr_err("Cannot set HDMI parent: %d\n", ret);
1087
1088 out:
1089         if (!IS_ERR(hdmi_ick))
1090                 clk_put(hdmi_ick);
1091 }
1092
1093 static void __init fsi_init_pm_clock(void)
1094 {
1095         struct clk *fsia_ick;
1096         int ret;
1097
1098         fsia_ick = clk_get(&fsi_device.dev, "icka");
1099         if (IS_ERR(fsia_ick)) {
1100                 ret = PTR_ERR(fsia_ick);
1101                 pr_err("Cannot get FSI ICK: %d\n", ret);
1102                 return;
1103         }
1104
1105         ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1106         if (ret < 0)
1107                 pr_err("Cannot set FSI-A parent: %d\n", ret);
1108
1109         clk_put(fsia_ick);
1110 }
1111
1112 /*
1113  * FIXME !!
1114  *
1115  * gpio_no_direction
1116  * are quick_hack.
1117  *
1118  * current gpio frame work doesn't have
1119  * the method to control only pull up/down/free.
1120  * this function should be replaced by correct gpio function
1121  */
1122 static void __init gpio_no_direction(u32 addr)
1123 {
1124         __raw_writeb(0x00, addr);
1125 }
1126
1127 /* TouchScreen */
1128 #ifdef CONFIG_AP4EVB_QHD
1129 # define GPIO_TSC_IRQ   GPIO_FN_IRQ28_123
1130 # define GPIO_TSC_PORT  GPIO_PORT123
1131 #else /* WVGA */
1132 # define GPIO_TSC_IRQ   GPIO_FN_IRQ7_40
1133 # define GPIO_TSC_PORT  GPIO_PORT40
1134 #endif
1135
1136 #define IRQ28   evt2irq(0x3380) /* IRQ28A */
1137 #define IRQ7    evt2irq(0x02e0) /* IRQ7A */
1138 static int ts_get_pendown_state(void)
1139 {
1140         int val;
1141
1142         gpio_free(GPIO_TSC_IRQ);
1143
1144         gpio_request(GPIO_TSC_PORT, NULL);
1145
1146         gpio_direction_input(GPIO_TSC_PORT);
1147
1148         val = gpio_get_value(GPIO_TSC_PORT);
1149
1150         gpio_request(GPIO_TSC_IRQ, NULL);
1151
1152         return !val;
1153 }
1154
1155 static int ts_init(void)
1156 {
1157         gpio_request(GPIO_TSC_IRQ, NULL);
1158
1159         return 0;
1160 }
1161
1162 static struct tsc2007_platform_data tsc2007_info = {
1163         .model                  = 2007,
1164         .x_plate_ohms           = 180,
1165         .get_pendown_state      = ts_get_pendown_state,
1166         .init_platform_hw       = ts_init,
1167 };
1168
1169 static struct i2c_board_info tsc_device = {
1170         I2C_BOARD_INFO("tsc2007", 0x48),
1171         .type           = "tsc2007",
1172         .platform_data  = &tsc2007_info,
1173         /*.irq is selected on ap4evb_init */
1174 };
1175
1176 /* I2C */
1177 static struct i2c_board_info i2c0_devices[] = {
1178         {
1179                 I2C_BOARD_INFO("ak4643", 0x13),
1180         },
1181 };
1182
1183 static struct i2c_board_info i2c1_devices[] = {
1184         {
1185                 I2C_BOARD_INFO("r2025sd", 0x32),
1186         },
1187 };
1188
1189 #define GPIO_PORT9CR    0xE6051009
1190 #define GPIO_PORT10CR   0xE605100A
1191 #define USCCR1          0xE6058144
1192 static void __init ap4evb_init(void)
1193 {
1194         u32 srcr4;
1195         struct clk *clk;
1196
1197         /* External clock source */
1198         clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1199
1200         sh7372_pinmux_init();
1201
1202         /* enable SCIFA0 */
1203         gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1204         gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1205
1206         /* enable SMSC911X */
1207         gpio_request(GPIO_FN_CS5A,      NULL);
1208         gpio_request(GPIO_FN_IRQ6_39,   NULL);
1209
1210         /* enable Debug switch (S6) */
1211         gpio_request(GPIO_PORT32, NULL);
1212         gpio_request(GPIO_PORT33, NULL);
1213         gpio_request(GPIO_PORT34, NULL);
1214         gpio_request(GPIO_PORT35, NULL);
1215         gpio_direction_input(GPIO_PORT32);
1216         gpio_direction_input(GPIO_PORT33);
1217         gpio_direction_input(GPIO_PORT34);
1218         gpio_direction_input(GPIO_PORT35);
1219         gpio_export(GPIO_PORT32, 0);
1220         gpio_export(GPIO_PORT33, 0);
1221         gpio_export(GPIO_PORT34, 0);
1222         gpio_export(GPIO_PORT35, 0);
1223
1224         /* SDHI0 */
1225         gpio_request(GPIO_FN_SDHICD0, NULL);
1226         gpio_request(GPIO_FN_SDHIWP0, NULL);
1227         gpio_request(GPIO_FN_SDHICMD0, NULL);
1228         gpio_request(GPIO_FN_SDHICLK0, NULL);
1229         gpio_request(GPIO_FN_SDHID0_3, NULL);
1230         gpio_request(GPIO_FN_SDHID0_2, NULL);
1231         gpio_request(GPIO_FN_SDHID0_1, NULL);
1232         gpio_request(GPIO_FN_SDHID0_0, NULL);
1233
1234         /* SDHI1 */
1235         gpio_request(GPIO_FN_SDHICMD1, NULL);
1236         gpio_request(GPIO_FN_SDHICLK1, NULL);
1237         gpio_request(GPIO_FN_SDHID1_3, NULL);
1238         gpio_request(GPIO_FN_SDHID1_2, NULL);
1239         gpio_request(GPIO_FN_SDHID1_1, NULL);
1240         gpio_request(GPIO_FN_SDHID1_0, NULL);
1241
1242         /* MMCIF */
1243         gpio_request(GPIO_FN_MMCD0_0, NULL);
1244         gpio_request(GPIO_FN_MMCD0_1, NULL);
1245         gpio_request(GPIO_FN_MMCD0_2, NULL);
1246         gpio_request(GPIO_FN_MMCD0_3, NULL);
1247         gpio_request(GPIO_FN_MMCD0_4, NULL);
1248         gpio_request(GPIO_FN_MMCD0_5, NULL);
1249         gpio_request(GPIO_FN_MMCD0_6, NULL);
1250         gpio_request(GPIO_FN_MMCD0_7, NULL);
1251         gpio_request(GPIO_FN_MMCCMD0, NULL);
1252         gpio_request(GPIO_FN_MMCCLK0, NULL);
1253
1254         /* USB enable */
1255         gpio_request(GPIO_FN_VBUS0_1,    NULL);
1256         gpio_request(GPIO_FN_IDIN_1_18,  NULL);
1257         gpio_request(GPIO_FN_PWEN_1_115, NULL);
1258         gpio_request(GPIO_FN_OVCN_1_114, NULL);
1259         gpio_request(GPIO_FN_EXTLP_1,    NULL);
1260         gpio_request(GPIO_FN_OVCN2_1,    NULL);
1261
1262         /* setup USB phy */
1263         __raw_writew(0x8a0a, 0xE6058130);       /* USBCR4 */
1264
1265         /* enable FSI2 port A (ak4643) */
1266         gpio_request(GPIO_FN_FSIAIBT,   NULL);
1267         gpio_request(GPIO_FN_FSIAILR,   NULL);
1268         gpio_request(GPIO_FN_FSIAISLD,  NULL);
1269         gpio_request(GPIO_FN_FSIAOSLD,  NULL);
1270         gpio_request(GPIO_PORT161,      NULL);
1271         gpio_direction_output(GPIO_PORT161, 0); /* slave */
1272
1273         gpio_request(GPIO_PORT9, NULL);
1274         gpio_request(GPIO_PORT10, NULL);
1275         gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
1276         gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1277
1278         /* card detect pin for MMC slot (CN7) */
1279         gpio_request(GPIO_PORT41, NULL);
1280         gpio_direction_input(GPIO_PORT41);
1281
1282         /* setup FSI2 port B (HDMI) */
1283         gpio_request(GPIO_FN_FSIBCK, NULL);
1284         __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1285
1286         /* set SPU2 clock to 119.6 MHz */
1287         clk = clk_get(NULL, "spu_clk");
1288         if (!IS_ERR(clk)) {
1289                 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1290                 clk_put(clk);
1291         }
1292
1293         /*
1294          * set irq priority, to avoid sound chopping
1295          * when NFS rootfs is used
1296          *  FSI(3) > SMSC911X(2)
1297          */
1298         intc_set_priority(IRQ_FSI, 3);
1299
1300         i2c_register_board_info(0, i2c0_devices,
1301                                 ARRAY_SIZE(i2c0_devices));
1302
1303         i2c_register_board_info(1, i2c1_devices,
1304                                 ARRAY_SIZE(i2c1_devices));
1305
1306 #ifdef CONFIG_AP4EVB_QHD
1307
1308         /*
1309          * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1310          * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1311          */
1312
1313         /* enable KEYSC */
1314         gpio_request(GPIO_FN_KEYOUT0, NULL);
1315         gpio_request(GPIO_FN_KEYOUT1, NULL);
1316         gpio_request(GPIO_FN_KEYOUT2, NULL);
1317         gpio_request(GPIO_FN_KEYOUT3, NULL);
1318         gpio_request(GPIO_FN_KEYOUT4, NULL);
1319         gpio_request(GPIO_FN_KEYIN0_136, NULL);
1320         gpio_request(GPIO_FN_KEYIN1_135, NULL);
1321         gpio_request(GPIO_FN_KEYIN2_134, NULL);
1322         gpio_request(GPIO_FN_KEYIN3_133, NULL);
1323         gpio_request(GPIO_FN_KEYIN4,     NULL);
1324
1325         /* enable TouchScreen */
1326         irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1327
1328         tsc_device.irq = IRQ28;
1329         i2c_register_board_info(1, &tsc_device, 1);
1330
1331         /* LCDC0 */
1332         lcdc_info.clock_source                  = LCDC_CLK_PERIPHERAL;
1333         lcdc_info.ch[0].interface_type          = RGB24;
1334         lcdc_info.ch[0].clock_divider           = 1;
1335         lcdc_info.ch[0].flags                   = LCDC_FLAGS_DWPOL;
1336         lcdc_info.ch[0].panel_cfg.width         = 44;
1337         lcdc_info.ch[0].panel_cfg.height        = 79;
1338
1339         platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1340
1341 #else
1342         /*
1343          * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1344          * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1345          */
1346
1347         gpio_request(GPIO_FN_LCDD17,   NULL);
1348         gpio_request(GPIO_FN_LCDD16,   NULL);
1349         gpio_request(GPIO_FN_LCDD15,   NULL);
1350         gpio_request(GPIO_FN_LCDD14,   NULL);
1351         gpio_request(GPIO_FN_LCDD13,   NULL);
1352         gpio_request(GPIO_FN_LCDD12,   NULL);
1353         gpio_request(GPIO_FN_LCDD11,   NULL);
1354         gpio_request(GPIO_FN_LCDD10,   NULL);
1355         gpio_request(GPIO_FN_LCDD9,    NULL);
1356         gpio_request(GPIO_FN_LCDD8,    NULL);
1357         gpio_request(GPIO_FN_LCDD7,    NULL);
1358         gpio_request(GPIO_FN_LCDD6,    NULL);
1359         gpio_request(GPIO_FN_LCDD5,    NULL);
1360         gpio_request(GPIO_FN_LCDD4,    NULL);
1361         gpio_request(GPIO_FN_LCDD3,    NULL);
1362         gpio_request(GPIO_FN_LCDD2,    NULL);
1363         gpio_request(GPIO_FN_LCDD1,    NULL);
1364         gpio_request(GPIO_FN_LCDD0,    NULL);
1365         gpio_request(GPIO_FN_LCDDISP,  NULL);
1366         gpio_request(GPIO_FN_LCDDCK,   NULL);
1367
1368         gpio_request(GPIO_PORT189, NULL); /* backlight */
1369         gpio_direction_output(GPIO_PORT189, 1);
1370
1371         gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1372         gpio_direction_output(GPIO_PORT151, 1);
1373
1374         lcdc_info.clock_source                  = LCDC_CLK_BUS;
1375         lcdc_info.ch[0].interface_type          = RGB18;
1376         lcdc_info.ch[0].clock_divider           = 3;
1377         lcdc_info.ch[0].flags                   = 0;
1378         lcdc_info.ch[0].panel_cfg.width         = 152;
1379         lcdc_info.ch[0].panel_cfg.height        = 91;
1380
1381         /* enable TouchScreen */
1382         irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1383
1384         tsc_device.irq = IRQ7;
1385         i2c_register_board_info(0, &tsc_device, 1);
1386 #endif /* CONFIG_AP4EVB_QHD */
1387
1388         /* CEU */
1389
1390         /*
1391          * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1392          * becomes available
1393          */
1394
1395         /* MIPI-CSI stuff */
1396         gpio_request(GPIO_FN_VIO_CKO, NULL);
1397
1398         clk = clk_get(NULL, "vck1_clk");
1399         if (!IS_ERR(clk)) {
1400                 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1401                 clk_enable(clk);
1402                 clk_put(clk);
1403         }
1404
1405         sh7372_add_standard_devices();
1406
1407         /* HDMI */
1408         gpio_request(GPIO_FN_HDMI_HPD, NULL);
1409         gpio_request(GPIO_FN_HDMI_CEC, NULL);
1410
1411         /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1412 #define SRCR4 0xe61580bc
1413         srcr4 = __raw_readl(SRCR4);
1414         __raw_writel(srcr4 | (1 << 13), SRCR4);
1415         udelay(50);
1416         __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1417
1418         platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1419
1420         sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
1421         sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
1422         sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
1423
1424         sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
1425         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
1426         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
1427         sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
1428
1429         hdmi_init_pm_clock();
1430         fsi_init_pm_clock();
1431         sh7372_pm_init();
1432         pm_clk_add(&fsi_device.dev, "spu2");
1433         pm_clk_add(&lcdc1_device.dev, "hdmi");
1434 }
1435
1436 MACHINE_START(AP4EVB, "ap4evb")
1437         .map_io         = sh7372_map_io,
1438         .init_early     = sh7372_add_early_devices,
1439         .init_irq       = sh7372_init_irq,
1440         .handle_irq     = shmobile_handle_irq_intc,
1441         .init_machine   = ap4evb_init,
1442         .timer          = &shmobile_timer,
1443 MACHINE_END