arch/arm/mach-shmobile/board-kzm9g.c

   1 /*
   2  * KZM-A9-GT board support
   3  *
   4  * Copyright (C) 2012   Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  */
  19
  20 #include <linux/delay.h>
  21 #include <linux/gpio.h>
  22 #include <linux/gpio_keys.h>
  23 #include <linux/io.h>
  24 #include <linux/irq.h>
  25 #include <linux/i2c.h>
  26 #include <linux/i2c/pcf857x.h>
  27 #include <linux/input.h>
  28 #include <linux/irqchip/arm-gic.h>
  29 #include <linux/mmc/host.h>
  30 #include <linux/mmc/sh_mmcif.h>
  31 #include <linux/mmc/sh_mobile_sdhi.h>
  32 #include <linux/mfd/tmio.h>
  33 #include <linux/platform_device.h>
  34 #include <linux/regulator/fixed.h>
  35 #include <linux/regulator/machine.h>
  36 #include <linux/smsc911x.h>
  37 #include <linux/usb/r8a66597.h>
  38 #include <linux/usb/renesas_usbhs.h>
  39 #include <linux/videodev2.h>
  40 #include <sound/sh_fsi.h>
  41 #include <sound/simple_card.h>
  42 #include <mach/irqs.h>
  43 #include <mach/sh73a0.h>
  44 #include <mach/common.h>
  45 #include <asm/hardware/cache-l2x0.h>
  46 #include <asm/mach-types.h>
  47 #include <asm/mach/arch.h>
  48 #include <video/sh_mobile_lcdc.h>
  49
  50 /*
  51  * external GPIO
  52  */
  53 #define GPIO_PCF8575_BASE       (GPIO_NR)
  54 #define GPIO_PCF8575_PORT10     (GPIO_NR + 8)
  55 #define GPIO_PCF8575_PORT11     (GPIO_NR + 9)
  56 #define GPIO_PCF8575_PORT12     (GPIO_NR + 10)
  57 #define GPIO_PCF8575_PORT13     (GPIO_NR + 11)
  58 #define GPIO_PCF8575_PORT14     (GPIO_NR + 12)
  59 #define GPIO_PCF8575_PORT15     (GPIO_NR + 13)
  60 #define GPIO_PCF8575_PORT16     (GPIO_NR + 14)
  61
  62 /* Dummy supplies, where voltage doesn't matter */
  63 static struct regulator_consumer_supply dummy_supplies[] = {
  64         REGULATOR_SUPPLY("vddvario", "smsc911x"),
  65         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
  66 };
  67
  68 /*
  69  * FSI-AK4648
  70  *
  71  * this command is required when playback.
  72  *
  73  * # amixer set "LINEOUT Mixer DACL" on
  74  */
  75
  76 /* SMSC 9221 */
  77 static struct resource smsc9221_resources[] = {
  78         [0] = {
  79                 .start  = 0x10000000, /* CS4 */
  80                 .end    = 0x100000ff,
  81                 .flags  = IORESOURCE_MEM,
  82         },
  83         [1] = {
  84                 .start  = intcs_evt2irq(0x260), /* IRQ3 */
  85                 .flags  = IORESOURCE_IRQ,
  86         },
  87 };
  88
  89 static struct smsc911x_platform_config smsc9221_platdata = {
  90         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
  91         .phy_interface  = PHY_INTERFACE_MODE_MII,
  92         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  93         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  94 };
  95
  96 static struct platform_device smsc_device = {
  97         .name           = "smsc911x",
  98         .dev  = {
  99                 .platform_data = &smsc9221_platdata,
 100         },
 101         .resource       = smsc9221_resources,
 102         .num_resources  = ARRAY_SIZE(smsc9221_resources),
 103 };
 104
 105 /* USB external chip */
 106 static struct r8a66597_platdata usb_host_data = {
 107         .on_chip        = 0,
 108         .xtal           = R8A66597_PLATDATA_XTAL_48MHZ,
 109 };
 110
 111 static struct resource usb_resources[] = {
 112         [0] = {
 113                 .start  = 0x10010000,
 114                 .end    = 0x1001ffff - 1,
 115                 .flags  = IORESOURCE_MEM,
 116         },
 117         [1] = {
 118                 .start  = intcs_evt2irq(0x220), /* IRQ1 */
 119                 .flags  = IORESOURCE_IRQ,
 120         },
 121 };
 122
 123 static struct platform_device usb_host_device = {
 124         .name   = "r8a66597_hcd",
 125         .dev = {
 126                 .platform_data          = &usb_host_data,
 127                 .dma_mask               = NULL,
 128                 .coherent_dma_mask      = 0xffffffff,
 129         },
 130         .num_resources  = ARRAY_SIZE(usb_resources),
 131         .resource       = usb_resources,
 132 };
 133
 134 /* USB Func CN17 */
 135 struct usbhs_private {
 136         void __iomem *phy;
 137         void __iomem *cr2;
 138         struct renesas_usbhs_platform_info info;
 139 };
 140
 141 #define IRQ15                   intcs_evt2irq(0x03e0)
 142 #define USB_PHY_MODE            (1 << 4)
 143 #define USB_PHY_INT_EN          ((1 << 3) | (1 << 2))
 144 #define USB_PHY_ON              (1 << 1)
 145 #define USB_PHY_OFF             (1 << 0)
 146 #define USB_PHY_INT_CLR         (USB_PHY_ON | USB_PHY_OFF)
 147
 148 #define usbhs_get_priv(pdev) \
 149         container_of(renesas_usbhs_get_info(pdev), struct usbhs_private, info)
 150
 151 static int usbhs_get_vbus(struct platform_device *pdev)
 152 {
 153         struct usbhs_private *priv = usbhs_get_priv(pdev);
 154
 155         return !((1 << 7) & __raw_readw(priv->cr2));
 156 }
 157
 158 static void usbhs_phy_reset(struct platform_device *pdev)
 159 {
 160         struct usbhs_private *priv = usbhs_get_priv(pdev);
 161
 162         /* init phy */
 163         __raw_writew(0x8a0a, priv->cr2);
 164 }
 165
 166 static int usbhs_get_id(struct platform_device *pdev)
 167 {
 168         return USBHS_GADGET;
 169 }
 170
 171 static irqreturn_t usbhs_interrupt(int irq, void *data)
 172 {
 173         struct platform_device *pdev = data;
 174         struct usbhs_private *priv = usbhs_get_priv(pdev);
 175
 176         renesas_usbhs_call_notify_hotplug(pdev);
 177
 178         /* clear status */
 179         __raw_writew(__raw_readw(priv->phy) | USB_PHY_INT_CLR, priv->phy);
 180
 181         return IRQ_HANDLED;
 182 }
 183
 184 static int usbhs_hardware_init(struct platform_device *pdev)
 185 {
 186         struct usbhs_private *priv = usbhs_get_priv(pdev);
 187         int ret;
 188
 189         /* clear interrupt status */
 190         __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->phy);
 191
 192         ret = request_irq(IRQ15, usbhs_interrupt, IRQF_TRIGGER_HIGH,
 193                           dev_name(&pdev->dev), pdev);
 194         if (ret) {
 195                 dev_err(&pdev->dev, "request_irq err\n");
 196                 return ret;
 197         }
 198
 199         /* enable USB phy interrupt */
 200         __raw_writew(USB_PHY_MODE | USB_PHY_INT_EN, priv->phy);
 201
 202         return 0;
 203 }
 204
 205 static void usbhs_hardware_exit(struct platform_device *pdev)
 206 {
 207         struct usbhs_private *priv = usbhs_get_priv(pdev);
 208
 209         /* clear interrupt status */
 210         __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->phy);
 211
 212         free_irq(IRQ15, pdev);
 213 }
 214
 215 static u32 usbhs_pipe_cfg[] = {
 216         USB_ENDPOINT_XFER_CONTROL,
 217         USB_ENDPOINT_XFER_ISOC,
 218         USB_ENDPOINT_XFER_ISOC,
 219         USB_ENDPOINT_XFER_BULK,
 220         USB_ENDPOINT_XFER_BULK,
 221         USB_ENDPOINT_XFER_BULK,
 222         USB_ENDPOINT_XFER_INT,
 223         USB_ENDPOINT_XFER_INT,
 224         USB_ENDPOINT_XFER_INT,
 225         USB_ENDPOINT_XFER_BULK,
 226         USB_ENDPOINT_XFER_BULK,
 227         USB_ENDPOINT_XFER_BULK,
 228         USB_ENDPOINT_XFER_BULK,
 229         USB_ENDPOINT_XFER_BULK,
 230         USB_ENDPOINT_XFER_BULK,
 231         USB_ENDPOINT_XFER_BULK,
 232 };
 233
 234 static struct usbhs_private usbhs_private = {
 235         .phy    = IOMEM(0xe60781e0),            /* USBPHYINT */
 236         .cr2    = IOMEM(0xe605810c),            /* USBCR2 */
 237         .info = {
 238                 .platform_callback = {
 239                         .hardware_init  = usbhs_hardware_init,
 240                         .hardware_exit  = usbhs_hardware_exit,
 241                         .get_id         = usbhs_get_id,
 242                         .phy_reset      = usbhs_phy_reset,
 243                         .get_vbus       = usbhs_get_vbus,
 244                 },
 245                 .driver_param = {
 246                         .buswait_bwait  = 4,
 247                         .has_otg        = 1,
 248                         .pipe_type      = usbhs_pipe_cfg,
 249                         .pipe_size      = ARRAY_SIZE(usbhs_pipe_cfg),
 250                 },
 251         },
 252 };
 253
 254 static struct resource usbhs_resources[] = {
 255         [0] = {
 256                 .start  = 0xE6890000,
 257                 .end    = 0xE68900e6 - 1,
 258                 .flags  = IORESOURCE_MEM,
 259         },
 260         [1] = {
 261                 .start  = gic_spi(62),
 262                 .end    = gic_spi(62),
 263                 .flags  = IORESOURCE_IRQ,
 264         },
 265 };
 266
 267 static struct platform_device usbhs_device = {
 268         .name   = "renesas_usbhs",
 269         .id     = -1,
 270         .dev = {
 271                 .dma_mask               = NULL,
 272                 .coherent_dma_mask      = 0xffffffff,
 273                 .platform_data          = &usbhs_private.info,
 274         },
 275         .num_resources  = ARRAY_SIZE(usbhs_resources),
 276         .resource       = usbhs_resources,
 277 };
 278
 279 /* LCDC */
 280 static struct fb_videomode kzm_lcdc_mode = {
 281         .name           = "WVGA Panel",
 282         .xres           = 800,
 283         .yres           = 480,
 284         .left_margin    = 220,
 285         .right_margin   = 110,
 286         .hsync_len      = 70,
 287         .upper_margin   = 20,
 288         .lower_margin   = 5,
 289         .vsync_len      = 5,
 290         .sync           = 0,
 291 };
 292
 293 static struct sh_mobile_lcdc_info lcdc_info = {
 294         .clock_source = LCDC_CLK_BUS,
 295         .ch[0] = {
 296                 .chan           = LCDC_CHAN_MAINLCD,
 297                 .fourcc         = V4L2_PIX_FMT_RGB565,
 298                 .interface_type = RGB24,
 299                 .lcd_modes      = &kzm_lcdc_mode,
 300                 .num_modes      = 1,
 301                 .clock_divider  = 5,
 302                 .flags          = 0,
 303                 .panel_cfg = {
 304                         .width  = 152,
 305                         .height = 91,
 306                 },
 307         }
 308 };
 309
 310 static struct resource lcdc_resources[] = {
 311         [0] = {
 312                 .name   = "LCDC",
 313                 .start  = 0xfe940000,
 314                 .end    = 0xfe943fff,
 315                 .flags  = IORESOURCE_MEM,
 316         },
 317         [1] = {
 318                 .start  = intcs_evt2irq(0x580),
 319                 .flags  = IORESOURCE_IRQ,
 320         },
 321 };
 322
 323 static struct platform_device lcdc_device = {
 324         .name           = "sh_mobile_lcdc_fb",
 325         .num_resources  = ARRAY_SIZE(lcdc_resources),
 326         .resource       = lcdc_resources,
 327         .dev    = {
 328                 .platform_data  = &lcdc_info,
 329                 .coherent_dma_mask = ~0,
 330         },
 331 };
 332
 333 /* Fixed 1.8V regulator to be used by MMCIF */
 334 static struct regulator_consumer_supply fixed1v8_power_consumers[] =
 335 {
 336         REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
 337         REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
 338 };
 339
 340 /* MMCIF */
 341 static struct resource sh_mmcif_resources[] = {
 342         [0] = {
 343                 .name   = "MMCIF",
 344                 .start  = 0xe6bd0000,
 345                 .end    = 0xe6bd00ff,
 346                 .flags  = IORESOURCE_MEM,
 347         },
 348         [1] = {
 349                 .start  = gic_spi(140),
 350                 .flags  = IORESOURCE_IRQ,
 351         },
 352         [2] = {
 353                 .start  = gic_spi(141),
 354                 .flags  = IORESOURCE_IRQ,
 355         },
 356 };
 357
 358 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
 359         .ocr            = MMC_VDD_165_195,
 360         .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
 361         .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
 362         .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 363 };
 364
 365 static struct platform_device mmc_device = {
 366         .name           = "sh_mmcif",
 367         .dev            = {
 368                 .dma_mask               = NULL,
 369                 .coherent_dma_mask      = 0xffffffff,
 370                 .platform_data          = &sh_mmcif_platdata,
 371         },
 372         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 373         .resource       = sh_mmcif_resources,
 374 };
 375
 376 /* Fixed 2.8V regulators to be used by SDHI0 and SDHI2 */
 377 static struct regulator_consumer_supply fixed2v8_power_consumers[] =
 378 {
 379         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
 380         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
 381         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.2"),
 382         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.2"),
 383 };
 384
 385 /* SDHI */
 386 static struct sh_mobile_sdhi_info sdhi0_info = {
 387         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 388         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 389         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
 390         .tmio_caps      = MMC_CAP_SD_HIGHSPEED,
 391         .tmio_ocr_mask  = MMC_VDD_27_28 | MMC_VDD_28_29,
 392 };
 393
 394 static struct resource sdhi0_resources[] = {
 395         [0] = {
 396                 .name   = "SDHI0",
 397                 .start  = 0xee100000,
 398                 .end    = 0xee1000ff,
 399                 .flags  = IORESOURCE_MEM,
 400         },
 401         [1] = {
 402                 .name   = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
 403                 .start  = gic_spi(83),
 404                 .flags  = IORESOURCE_IRQ,
 405         },
 406         [2] = {
 407                 .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
 408                 .start  = gic_spi(84),
 409                 .flags  = IORESOURCE_IRQ,
 410         },
 411         [3] = {
 412                 .name   = SH_MOBILE_SDHI_IRQ_SDIO,
 413                 .start  = gic_spi(85),
 414                 .flags  = IORESOURCE_IRQ,
 415         },
 416 };
 417
 418 static struct platform_device sdhi0_device = {
 419         .name           = "sh_mobile_sdhi",
 420         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 421         .resource       = sdhi0_resources,
 422         .dev    = {
 423                 .platform_data  = &sdhi0_info,
 424         },
 425 };
 426
 427 /* Micro SD */
 428 static struct sh_mobile_sdhi_info sdhi2_info = {
 429         .dma_slave_tx   = SHDMA_SLAVE_SDHI2_TX,
 430         .dma_slave_rx   = SHDMA_SLAVE_SDHI2_RX,
 431         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT |
 432                           TMIO_MMC_USE_GPIO_CD |
 433                           TMIO_MMC_WRPROTECT_DISABLE,
 434         .tmio_caps      = MMC_CAP_SD_HIGHSPEED,
 435         .tmio_ocr_mask  = MMC_VDD_27_28 | MMC_VDD_28_29,
 436         .cd_gpio        = GPIO_PORT13,
 437 };
 438
 439 static struct resource sdhi2_resources[] = {
 440         [0] = {
 441                 .name   = "SDHI2",
 442                 .start  = 0xee140000,
 443                 .end    = 0xee1400ff,
 444                 .flags  = IORESOURCE_MEM,
 445         },
 446         [1] = {
 447                 .name   = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
 448                 .start  = gic_spi(103),
 449                 .flags  = IORESOURCE_IRQ,
 450         },
 451         [2] = {
 452                 .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
 453                 .start  = gic_spi(104),
 454                 .flags  = IORESOURCE_IRQ,
 455         },
 456         [3] = {
 457                 .name   = SH_MOBILE_SDHI_IRQ_SDIO,
 458                 .start  = gic_spi(105),
 459                 .flags  = IORESOURCE_IRQ,
 460         },
 461 };
 462
 463 static struct platform_device sdhi2_device = {
 464         .name           = "sh_mobile_sdhi",
 465         .id             = 2,
 466         .num_resources  = ARRAY_SIZE(sdhi2_resources),
 467         .resource       = sdhi2_resources,
 468         .dev    = {
 469                 .platform_data  = &sdhi2_info,
 470         },
 471 };
 472
 473 /* KEY */
 474 #define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
 475
 476 static struct gpio_keys_button gpio_buttons[] = {
 477         GPIO_KEY(KEY_BACK,      GPIO_PCF8575_PORT10,    "SW3"),
 478         GPIO_KEY(KEY_RIGHT,     GPIO_PCF8575_PORT11,    "SW2-R"),
 479         GPIO_KEY(KEY_LEFT,      GPIO_PCF8575_PORT12,    "SW2-L"),
 480         GPIO_KEY(KEY_ENTER,     GPIO_PCF8575_PORT13,    "SW2-P"),
 481         GPIO_KEY(KEY_UP,        GPIO_PCF8575_PORT14,    "SW2-U"),
 482         GPIO_KEY(KEY_DOWN,      GPIO_PCF8575_PORT15,    "SW2-D"),
 483         GPIO_KEY(KEY_HOME,      GPIO_PCF8575_PORT16,    "SW1"),
 484 };
 485
 486 static struct gpio_keys_platform_data gpio_key_info = {
 487         .buttons        = gpio_buttons,
 488         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 489 };
 490
 491 static struct platform_device gpio_keys_device = {
 492         .name   = "gpio-keys",
 493         .dev    = {
 494                 .platform_data  = &gpio_key_info,
 495         },
 496 };
 497
 498 /* FSI-AK4648 */
 499 static struct sh_fsi_platform_info fsi_info = {
 500         .port_a = {
 501                 .tx_id = SHDMA_SLAVE_FSI2A_TX,
 502         },
 503 };
 504
 505 static struct resource fsi_resources[] = {
 506         [0] = {
 507                 .name   = "FSI",
 508                 .start  = 0xEC230000,
 509                 .end    = 0xEC230400 - 1,
 510                 .flags  = IORESOURCE_MEM,
 511         },
 512         [1] = {
 513                 .start  = gic_spi(146),
 514                 .flags  = IORESOURCE_IRQ,
 515         },
 516 };
 517
 518 static struct platform_device fsi_device = {
 519         .name           = "sh_fsi2",
 520         .id             = -1,
 521         .num_resources  = ARRAY_SIZE(fsi_resources),
 522         .resource       = fsi_resources,
 523         .dev    = {
 524                 .platform_data  = &fsi_info,
 525         },
 526 };
 527
 528 static struct asoc_simple_card_info fsi2_ak4648_info = {
 529         .name           = "AK4648",
 530         .card           = "FSI2A-AK4648",
 531         .codec          = "ak4642-codec.0-0012",
 532         .platform       = "sh_fsi2",
 533         .daifmt         = SND_SOC_DAIFMT_LEFT_J,
 534         .cpu_dai = {
 535                 .name   = "fsia-dai",
 536                 .fmt    = SND_SOC_DAIFMT_CBS_CFS,
 537         },
 538         .codec_dai = {
 539                 .name   = "ak4642-hifi",
 540                 .fmt    = SND_SOC_DAIFMT_CBM_CFM,
 541                 .sysclk = 11289600,
 542         },
 543 };
 544
 545 static struct platform_device fsi_ak4648_device = {
 546         .name   = "asoc-simple-card",
 547         .dev    = {
 548                 .platform_data  = &fsi2_ak4648_info,
 549         },
 550 };
 551
 552 /* I2C */
 553 static struct pcf857x_platform_data pcf8575_pdata = {
 554         .gpio_base      = GPIO_PCF8575_BASE,
 555 };
 556
 557 static struct i2c_board_info i2c0_devices[] = {
 558         {
 559                 I2C_BOARD_INFO("ak4648", 0x12),
 560         },
 561         {
 562                 I2C_BOARD_INFO("r2025sd", 0x32),
 563         },
 564         {
 565                 I2C_BOARD_INFO("ak8975", 0x0c),
 566                 .irq = intcs_evt2irq(0x3380), /* IRQ28 */
 567         },
 568         {
 569                 I2C_BOARD_INFO("adxl34x", 0x1d),
 570                 .irq = intcs_evt2irq(0x3340), /* IRQ26 */
 571         },
 572 };
 573
 574 static struct i2c_board_info i2c1_devices[] = {
 575         {
 576                 I2C_BOARD_INFO("st1232-ts", 0x55),
 577                 .irq = intcs_evt2irq(0x300), /* IRQ8 */
 578         },
 579 };
 580
 581 static struct i2c_board_info i2c3_devices[] = {
 582         {
 583                 I2C_BOARD_INFO("pcf8575", 0x20),
 584                 .irq            = intcs_evt2irq(0x3260), /* IRQ19 */
 585                 .platform_data = &pcf8575_pdata,
 586         },
 587 };
 588
 589 static struct platform_device *kzm_devices[] __initdata = {
 590         &smsc_device,
 591         &usb_host_device,
 592         &usbhs_device,
 593         &lcdc_device,
 594         &mmc_device,
 595         &sdhi0_device,
 596         &sdhi2_device,
 597         &gpio_keys_device,
 598         &fsi_device,
 599         &fsi_ak4648_device,
 600 };
 601
 602 /*
 603  * FIXME
 604  *
 605  * This is quick hack for enabling LCDC backlight
 606  */
 607 static int __init as3711_enable_lcdc_backlight(void)
 608 {
 609         struct i2c_adapter *a = i2c_get_adapter(0);
 610         struct i2c_msg msg;
 611         int i, ret;
 612         __u8 magic[] = {
 613                 0x40, 0x2a,
 614                 0x43, 0x3c,
 615                 0x44, 0x3c,
 616                 0x45, 0x3c,
 617                 0x54, 0x03,
 618                 0x51, 0x00,
 619                 0x51, 0x01,
 620                 0xff, 0x00, /* wait */
 621                 0x43, 0xf0,
 622                 0x44, 0xf0,
 623                 0x45, 0xf0,
 624         };
 625
 626         if (!of_machine_is_compatible("renesas,kzm9g"))
 627                 return 0;
 628
 629         if (!a)
 630                 return 0;
 631
 632         msg.addr        = 0x40;
 633         msg.len         = 2;
 634         msg.flags       = 0;
 635
 636         for (i = 0; i < ARRAY_SIZE(magic); i += 2) {
 637                 msg.buf = magic + i;
 638
 639                 if (0xff == msg.buf[0]) {
 640                         udelay(500);
 641                         continue;
 642                 }
 643
 644                 ret = i2c_transfer(a, &msg, 1);
 645                 if (ret < 0) {
 646                         pr_err("i2c transfer fail\n");
 647                         break;
 648                 }
 649         }
 650
 651         return 0;
 652 }
 653 device_initcall(as3711_enable_lcdc_backlight);
 654
 655 static void __init kzm_init(void)
 656 {
 657         regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
 658                                      ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
 659         regulator_register_always_on(1, "fixed-2.8V", fixed2v8_power_consumers,
 660                                      ARRAY_SIZE(fixed2v8_power_consumers), 2800000);
 661         regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 662
 663         sh73a0_pinmux_init();
 664
 665         /* enable SCIFA4 */
 666         gpio_request(GPIO_FN_SCIFA4_TXD, NULL);
 667         gpio_request(GPIO_FN_SCIFA4_RXD, NULL);
 668         gpio_request(GPIO_FN_SCIFA4_RTS_, NULL);
 669         gpio_request(GPIO_FN_SCIFA4_CTS_, NULL);
 670
 671         /* CS4 for SMSC/USB */
 672         gpio_request(GPIO_FN_CS4_, NULL); /* CS4 */
 673
 674         /* SMSC */
 675         gpio_request_one(GPIO_PORT224, GPIOF_IN, NULL); /* IRQ3 */
 676
 677         /* LCDC */
 678         gpio_request(GPIO_FN_LCDD23,    NULL);
 679         gpio_request(GPIO_FN_LCDD22,    NULL);
 680         gpio_request(GPIO_FN_LCDD21,    NULL);
 681         gpio_request(GPIO_FN_LCDD20,    NULL);
 682         gpio_request(GPIO_FN_LCDD19,    NULL);
 683         gpio_request(GPIO_FN_LCDD18,    NULL);
 684         gpio_request(GPIO_FN_LCDD17,    NULL);
 685         gpio_request(GPIO_FN_LCDD16,    NULL);
 686         gpio_request(GPIO_FN_LCDD15,    NULL);
 687         gpio_request(GPIO_FN_LCDD14,    NULL);
 688         gpio_request(GPIO_FN_LCDD13,    NULL);
 689         gpio_request(GPIO_FN_LCDD12,    NULL);
 690         gpio_request(GPIO_FN_LCDD11,    NULL);
 691         gpio_request(GPIO_FN_LCDD10,    NULL);
 692         gpio_request(GPIO_FN_LCDD9,     NULL);
 693         gpio_request(GPIO_FN_LCDD8,     NULL);
 694         gpio_request(GPIO_FN_LCDD7,     NULL);
 695         gpio_request(GPIO_FN_LCDD6,     NULL);
 696         gpio_request(GPIO_FN_LCDD5,     NULL);
 697         gpio_request(GPIO_FN_LCDD4,     NULL);
 698         gpio_request(GPIO_FN_LCDD3,     NULL);
 699         gpio_request(GPIO_FN_LCDD2,     NULL);
 700         gpio_request(GPIO_FN_LCDD1,     NULL);
 701         gpio_request(GPIO_FN_LCDD0,     NULL);
 702         gpio_request(GPIO_FN_LCDDISP,   NULL);
 703         gpio_request(GPIO_FN_LCDDCK,    NULL);
 704
 705         gpio_request_one(GPIO_PORT222, GPIOF_OUT_INIT_HIGH, NULL); /* LCDCDON */
 706         gpio_request_one(GPIO_PORT226, GPIOF_OUT_INIT_HIGH, NULL); /* SC */
 707
 708         /* Touchscreen */
 709         gpio_request_one(GPIO_PORT223, GPIOF_IN, NULL); /* IRQ8 */
 710
 711         /* enable MMCIF */
 712         gpio_request(GPIO_FN_MMCCLK0,           NULL);
 713         gpio_request(GPIO_FN_MMCCMD0_PU,        NULL);
 714         gpio_request(GPIO_FN_MMCD0_0_PU,        NULL);
 715         gpio_request(GPIO_FN_MMCD0_1_PU,        NULL);
 716         gpio_request(GPIO_FN_MMCD0_2_PU,        NULL);
 717         gpio_request(GPIO_FN_MMCD0_3_PU,        NULL);
 718         gpio_request(GPIO_FN_MMCD0_4_PU,        NULL);
 719         gpio_request(GPIO_FN_MMCD0_5_PU,        NULL);
 720         gpio_request(GPIO_FN_MMCD0_6_PU,        NULL);
 721         gpio_request(GPIO_FN_MMCD0_7_PU,        NULL);
 722
 723         /* enable SD */
 724         gpio_request(GPIO_FN_SDHIWP0,           NULL);
 725         gpio_request(GPIO_FN_SDHICD0,           NULL);
 726         gpio_request(GPIO_FN_SDHICMD0,          NULL);
 727         gpio_request(GPIO_FN_SDHICLK0,          NULL);
 728         gpio_request(GPIO_FN_SDHID0_3,          NULL);
 729         gpio_request(GPIO_FN_SDHID0_2,          NULL);
 730         gpio_request(GPIO_FN_SDHID0_1,          NULL);
 731         gpio_request(GPIO_FN_SDHID0_0,          NULL);
 732         gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL);
 733         gpio_request_one(GPIO_PORT15, GPIOF_OUT_INIT_HIGH, NULL); /* power */
 734
 735         /* enable Micro SD */
 736         gpio_request(GPIO_FN_SDHID2_0,          NULL);
 737         gpio_request(GPIO_FN_SDHID2_1,          NULL);
 738         gpio_request(GPIO_FN_SDHID2_2,          NULL);
 739         gpio_request(GPIO_FN_SDHID2_3,          NULL);
 740         gpio_request(GPIO_FN_SDHICMD2,          NULL);
 741         gpio_request(GPIO_FN_SDHICLK2,          NULL);
 742         gpio_request_one(GPIO_PORT14, GPIOF_OUT_INIT_HIGH, NULL); /* power */
 743
 744         /* I2C 3 */
 745         gpio_request(GPIO_FN_PORT27_I2C_SCL3, NULL);
 746         gpio_request(GPIO_FN_PORT28_I2C_SDA3, NULL);
 747
 748         /* enable FSI2 port A (ak4648) */
 749         gpio_request(GPIO_FN_FSIACK,    NULL);
 750         gpio_request(GPIO_FN_FSIAILR,   NULL);
 751         gpio_request(GPIO_FN_FSIAIBT,   NULL);
 752         gpio_request(GPIO_FN_FSIAISLD,  NULL);
 753         gpio_request(GPIO_FN_FSIAOSLD,  NULL);
 754
 755         /* enable USB */
 756         gpio_request(GPIO_FN_VBUS_0,    NULL);
 757
 758 #ifdef CONFIG_CACHE_L2X0
 759         /* Early BRESP enable, Shared attribute override enable, 64K*8way */
 760         l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);
 761 #endif
 762
 763         i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
 764         i2c_register_board_info(1, i2c1_devices, ARRAY_SIZE(i2c1_devices));
 765         i2c_register_board_info(3, i2c3_devices, ARRAY_SIZE(i2c3_devices));
 766
 767         sh73a0_add_standard_devices();
 768         platform_add_devices(kzm_devices, ARRAY_SIZE(kzm_devices));
 769
 770         sh73a0_pm_init();
 771 }
 772
 773 static void kzm9g_restart(char mode, const char *cmd)
 774 {
 775 #define RESCNT2 IOMEM(0xe6188020)
 776         /* Do soft power on reset */
 777         writel((1 << 31), RESCNT2);
 778 }
 779
 780 static const char *kzm9g_boards_compat_dt[] __initdata = {
 781         "renesas,kzm9g",
 782         NULL,
 783 };
 784
 785 DT_MACHINE_START(KZM9G_DT, "kzm9g")
 786         .smp            = smp_ops(sh73a0_smp_ops),
 787         .map_io         = sh73a0_map_io,
 788         .init_early     = sh73a0_add_early_devices,
 789         .nr_irqs        = NR_IRQS_LEGACY,
 790         .init_irq       = sh73a0_init_irq,
 791         .init_machine   = kzm_init,
 792         .init_late      = shmobile_init_late,
 793         .init_time      = sh73a0_earlytimer_init,
 794         .restart        = kzm9g_restart,
 795         .dt_compat      = kzm9g_boards_compat_dt,
 796 MACHINE_END