arch/sh/boards/mach-kfr2r09/setup.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * KFR2R09 board support code
   4  *
   5  * Copyright (C) 2009 Magnus Damm
   6  */
   7
   8 #include <asm/clock.h>
   9 #include <asm/io.h>
  10 #include <asm/machvec.h>
  11 #include <asm/suspend.h>
  12
  13 #include <cpu/sh7724.h>
  14
  15 #include <linux/clkdev.h>
  16 #include <linux/delay.h>
  17 #include <linux/dma-mapping.h>
  18 #include <linux/gpio.h>
  19 #include <linux/gpio/machine.h>
  20 #include <linux/i2c.h>
  21 #include <linux/init.h>
  22 #include <linux/input.h>
  23 #include <linux/input/sh_keysc.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/memblock.h>
  26 #include <linux/mfd/tmio.h>
  27 #include <linux/mmc/host.h>
  28 #include <linux/mtd/physmap.h>
  29 #include <linux/platform_data/lv5207lp.h>
  30 #include <linux/platform_device.h>
  31 #include <linux/regulator/fixed.h>
  32 #include <linux/regulator/machine.h>
  33 #include <linux/sh_intc.h>
  34 #include <linux/usb/r8a66597.h>
  35 #include <linux/videodev2.h>
  36
  37 #include <mach/kfr2r09.h>
  38
  39 #include <media/drv-intf/renesas-ceu.h>
  40 #include <media/i2c/rj54n1cb0c.h>
  41
  42 #include <video/sh_mobile_lcdc.h>
  43
  44 #define CEU_BUFFER_MEMORY_SIZE          (4 << 20)
  45 static phys_addr_t ceu_dma_membase;
  46
  47 /* set VIO_CKO clock to 25MHz */
  48 #define CEU_MCLK_FREQ                   25000000
  49 #define DRVCRB                          0xA405018C
  50
  51 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
  52 {
  53         {
  54                 .name = "boot",
  55                 .offset = 0,
  56                 .size = (4 * 1024 * 1024),
  57                 .mask_flags = MTD_WRITEABLE,    /* Read-only */
  58         },
  59         {
  60                 .name = "other",
  61                 .offset = MTDPART_OFS_APPEND,
  62                 .size = MTDPART_SIZ_FULL,
  63         },
  64 };
  65
  66 static struct physmap_flash_data kfr2r09_nor_flash_data = {
  67         .width          = 2,
  68         .parts          = kfr2r09_nor_flash_partitions,
  69         .nr_parts       = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
  70 };
  71
  72 static struct resource kfr2r09_nor_flash_resources[] = {
  73         [0] = {
  74                 .name           = "NOR Flash",
  75                 .start          = 0x00000000,
  76                 .end            = 0x03ffffff,
  77                 .flags          = IORESOURCE_MEM,
  78         }
  79 };
  80
  81 static struct platform_device kfr2r09_nor_flash_device = {
  82         .name           = "physmap-flash",
  83         .resource       = kfr2r09_nor_flash_resources,
  84         .num_resources  = ARRAY_SIZE(kfr2r09_nor_flash_resources),
  85         .dev            = {
  86                 .platform_data = &kfr2r09_nor_flash_data,
  87         },
  88 };
  89
  90 static struct resource kfr2r09_nand_flash_resources[] = {
  91         [0] = {
  92                 .name           = "NAND Flash",
  93                 .start          = 0x10000000,
  94                 .end            = 0x1001ffff,
  95                 .flags          = IORESOURCE_MEM,
  96         }
  97 };
  98
  99 static struct platform_device kfr2r09_nand_flash_device = {
 100         .name           = "onenand-flash",
 101         .resource       = kfr2r09_nand_flash_resources,
 102         .num_resources  = ARRAY_SIZE(kfr2r09_nand_flash_resources),
 103 };
 104
 105 static struct sh_keysc_info kfr2r09_sh_keysc_info = {
 106         .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
 107         .scan_timing = 3,
 108         .delay = 10,
 109         .keycodes = {
 110                 KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
 111                 KEY_1, KEY_2, KEY_3, 0, KEY_UP,
 112                 KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
 113                 KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
 114                 KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
 115                 0, 0, 0, 0, 0
 116         },
 117 };
 118
 119 static struct resource kfr2r09_sh_keysc_resources[] = {
 120         [0] = {
 121                 .name   = "KEYSC",
 122                 .start  = 0x044b0000,
 123                 .end    = 0x044b000f,
 124                 .flags  = IORESOURCE_MEM,
 125         },
 126         [1] = {
 127                 .start  = evt2irq(0xbe0),
 128                 .flags  = IORESOURCE_IRQ,
 129         },
 130 };
 131
 132 static struct platform_device kfr2r09_sh_keysc_device = {
 133         .name           = "sh_keysc",
 134         .id             = 0, /* "keysc0" clock */
 135         .num_resources  = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
 136         .resource       = kfr2r09_sh_keysc_resources,
 137         .dev    = {
 138                 .platform_data  = &kfr2r09_sh_keysc_info,
 139         },
 140 };
 141
 142 static const struct fb_videomode kfr2r09_lcdc_modes[] = {
 143         {
 144                 .name = "TX07D34VM0AAA",
 145                 .xres = 240,
 146                 .yres = 400,
 147                 .left_margin = 0,
 148                 .right_margin = 16,
 149                 .hsync_len = 8,
 150                 .upper_margin = 0,
 151                 .lower_margin = 1,
 152                 .vsync_len = 1,
 153                 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 154         },
 155 };
 156
 157 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
 158         .clock_source = LCDC_CLK_BUS,
 159         .ch[0] = {
 160                 .chan = LCDC_CHAN_MAINLCD,
 161                 .fourcc = V4L2_PIX_FMT_RGB565,
 162                 .interface_type = SYS18,
 163                 .clock_divider = 6,
 164                 .flags = LCDC_FLAGS_DWPOL,
 165                 .lcd_modes = kfr2r09_lcdc_modes,
 166                 .num_modes = ARRAY_SIZE(kfr2r09_lcdc_modes),
 167                 .panel_cfg = {
 168                         .width = 35,
 169                         .height = 58,
 170                         .setup_sys = kfr2r09_lcd_setup,
 171                         .start_transfer = kfr2r09_lcd_start,
 172                 },
 173                 .sys_bus_cfg = {
 174                         .ldmt2r = 0x07010904,
 175                         .ldmt3r = 0x14012914,
 176                         /* set 1s delay to encourage fsync() */
 177                         .deferred_io_msec = 1000,
 178                 },
 179         }
 180 };
 181
 182 static struct resource kfr2r09_sh_lcdc_resources[] = {
 183         [0] = {
 184                 .name   = "LCDC",
 185                 .start  = 0xfe940000, /* P4-only space */
 186                 .end    = 0xfe942fff,
 187                 .flags  = IORESOURCE_MEM,
 188         },
 189         [1] = {
 190                 .start  = evt2irq(0xf40),
 191                 .flags  = IORESOURCE_IRQ,
 192         },
 193 };
 194
 195 static struct platform_device kfr2r09_sh_lcdc_device = {
 196         .name           = "sh_mobile_lcdc_fb",
 197         .num_resources  = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
 198         .resource       = kfr2r09_sh_lcdc_resources,
 199         .dev    = {
 200                 .platform_data  = &kfr2r09_sh_lcdc_info,
 201         },
 202 };
 203
 204 static struct lv5207lp_platform_data kfr2r09_backlight_data = {
 205         .fbdev = &kfr2r09_sh_lcdc_device.dev,
 206         .def_value = 13,
 207         .max_value = 13,
 208 };
 209
 210 static struct i2c_board_info kfr2r09_backlight_board_info = {
 211         I2C_BOARD_INFO("lv5207lp", 0x75),
 212         .platform_data = &kfr2r09_backlight_data,
 213 };
 214
 215 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
 216         .on_chip = 1,
 217 };
 218
 219 static struct resource kfr2r09_usb0_gadget_resources[] = {
 220         [0] = {
 221                 .start  = 0x04d80000,
 222                 .end    = 0x04d80123,
 223                 .flags  = IORESOURCE_MEM,
 224         },
 225         [1] = {
 226                 .start  = evt2irq(0xa20),
 227                 .end    = evt2irq(0xa20),
 228                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
 229         },
 230 };
 231
 232 static struct platform_device kfr2r09_usb0_gadget_device = {
 233         .name           = "r8a66597_udc",
 234         .id             = 0,
 235         .dev = {
 236                 .dma_mask               = NULL,         /*  not use dma */
 237                 .coherent_dma_mask      = 0xffffffff,
 238                 .platform_data  = &kfr2r09_usb0_gadget_data,
 239         },
 240         .num_resources  = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
 241         .resource       = kfr2r09_usb0_gadget_resources,
 242 };
 243
 244 static struct ceu_platform_data ceu_pdata = {
 245         .num_subdevs                    = 1,
 246         .subdevs = {
 247                 { /* [0] = rj54n1cb0c */
 248                         .flags          = 0,
 249                         .bus_width      = 8,
 250                         .bus_shift      = 0,
 251                         .i2c_adapter_id = 1,
 252                         .i2c_address    = 0x50,
 253                 },
 254         },
 255 };
 256
 257 static struct resource kfr2r09_ceu_resources[] = {
 258         [0] = {
 259                 .name   = "CEU",
 260                 .start  = 0xfe910000,
 261                 .end    = 0xfe91009f,
 262                 .flags  = IORESOURCE_MEM,
 263         },
 264         [1] = {
 265                 .start  = evt2irq(0x880),
 266                 .end    = evt2irq(0x880),
 267                 .flags  = IORESOURCE_IRQ,
 268         },
 269 };
 270
 271 static struct platform_device kfr2r09_ceu_device = {
 272         .name           = "renesas-ceu",
 273         .id             = 0, /* "ceu0" clock */
 274         .num_resources  = ARRAY_SIZE(kfr2r09_ceu_resources),
 275         .resource       = kfr2r09_ceu_resources,
 276         .dev    = {
 277                 .platform_data  = &ceu_pdata,
 278         },
 279 };
 280
 281 static struct rj54n1_pdata rj54n1_priv = {
 282         .mclk_freq      = CEU_MCLK_FREQ,
 283         .ioctl_high     = false,
 284 };
 285
 286 static struct i2c_board_info kfr2r09_i2c_camera = {
 287         I2C_BOARD_INFO("rj54n1cb0c", 0x50),
 288         .platform_data = &rj54n1_priv,
 289 };
 290
 291 static struct gpiod_lookup_table rj54n1_gpios = {
 292         .dev_id         = "1-0050",
 293         .table          = {
 294                 GPIO_LOOKUP("sh7724_pfc", GPIO_PTB4, "poweron",
 295                             GPIO_ACTIVE_HIGH),
 296                 GPIO_LOOKUP("sh7724_pfc", GPIO_PTB7, "enable",
 297                             GPIO_ACTIVE_HIGH),
 298         },
 299 };
 300
 301 /* Fixed 3.3V regulator to be used by SDHI0 */
 302 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
 303 {
 304         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
 305         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
 306 };
 307
 308 static struct resource kfr2r09_sh_sdhi0_resources[] = {
 309         [0] = {
 310                 .name   = "SDHI0",
 311                 .start  = 0x04ce0000,
 312                 .end    = 0x04ce00ff,
 313                 .flags  = IORESOURCE_MEM,
 314         },
 315         [1] = {
 316                 .start  = evt2irq(0xe80),
 317                 .flags  = IORESOURCE_IRQ,
 318         },
 319 };
 320
 321 static struct tmio_mmc_data sh7724_sdhi0_data = {
 322         .chan_priv_tx   = (void *)SHDMA_SLAVE_SDHI0_TX,
 323         .chan_priv_rx   = (void *)SHDMA_SLAVE_SDHI0_RX,
 324         .capabilities   = MMC_CAP_SDIO_IRQ,
 325         .capabilities2  = MMC_CAP2_NO_WRITE_PROTECT,
 326 };
 327
 328 static struct platform_device kfr2r09_sh_sdhi0_device = {
 329         .name           = "sh_mobile_sdhi",
 330         .num_resources  = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
 331         .resource       = kfr2r09_sh_sdhi0_resources,
 332         .dev = {
 333                 .platform_data  = &sh7724_sdhi0_data,
 334         },
 335 };
 336
 337 static struct platform_device *kfr2r09_devices[] __initdata = {
 338         &kfr2r09_nor_flash_device,
 339         &kfr2r09_nand_flash_device,
 340         &kfr2r09_sh_keysc_device,
 341         &kfr2r09_sh_lcdc_device,
 342         &kfr2r09_sh_sdhi0_device,
 343 };
 344
 345 #define BSC_CS0BCR 0xfec10004
 346 #define BSC_CS0WCR 0xfec10024
 347 #define BSC_CS4BCR 0xfec10010
 348 #define BSC_CS4WCR 0xfec10030
 349 #define PORT_MSELCRB 0xa4050182
 350
 351 #ifdef CONFIG_I2C
 352 static int kfr2r09_usb0_gadget_i2c_setup(void)
 353 {
 354         struct i2c_adapter *a;
 355         struct i2c_msg msg;
 356         unsigned char buf[2];
 357         int ret;
 358
 359         a = i2c_get_adapter(0);
 360         if (!a)
 361                 return -ENODEV;
 362
 363         /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
 364         buf[0] = 0x13;
 365         msg.addr = 0x09;
 366         msg.buf = buf;
 367         msg.len = 1;
 368         msg.flags = 0;
 369         ret = i2c_transfer(a, &msg, 1);
 370         if (ret != 1)
 371                 return -ENODEV;
 372
 373         buf[0] = 0;
 374         msg.addr = 0x09;
 375         msg.buf = buf;
 376         msg.len = 1;
 377         msg.flags = I2C_M_RD;
 378         ret = i2c_transfer(a, &msg, 1);
 379         if (ret != 1)
 380                 return -ENODEV;
 381
 382         buf[1] = buf[0] | (1 << 1);
 383         buf[0] = 0x13;
 384         msg.addr = 0x09;
 385         msg.buf = buf;
 386         msg.len = 2;
 387         msg.flags = 0;
 388         ret = i2c_transfer(a, &msg, 1);
 389         if (ret != 1)
 390                 return -ENODEV;
 391
 392         return 0;
 393 }
 394
 395 static int kfr2r09_serial_i2c_setup(void)
 396 {
 397         struct i2c_adapter *a;
 398         struct i2c_msg msg;
 399         unsigned char buf[2];
 400         int ret;
 401
 402         a = i2c_get_adapter(0);
 403         if (!a)
 404                 return -ENODEV;
 405
 406         /* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
 407         buf[0] = 0x13;
 408         msg.addr = 0x09;
 409         msg.buf = buf;
 410         msg.len = 1;
 411         msg.flags = 0;
 412         ret = i2c_transfer(a, &msg, 1);
 413         if (ret != 1)
 414                 return -ENODEV;
 415
 416         buf[0] = 0;
 417         msg.addr = 0x09;
 418         msg.buf = buf;
 419         msg.len = 1;
 420         msg.flags = I2C_M_RD;
 421         ret = i2c_transfer(a, &msg, 1);
 422         if (ret != 1)
 423                 return -ENODEV;
 424
 425         buf[1] = buf[0] | (1 << 6);
 426         buf[0] = 0x13;
 427         msg.addr = 0x09;
 428         msg.buf = buf;
 429         msg.len = 2;
 430         msg.flags = 0;
 431         ret = i2c_transfer(a, &msg, 1);
 432         if (ret != 1)
 433                 return -ENODEV;
 434
 435         return 0;
 436 }
 437 #else
 438 static int kfr2r09_usb0_gadget_i2c_setup(void)
 439 {
 440         return -ENODEV;
 441 }
 442
 443 static int kfr2r09_serial_i2c_setup(void)
 444 {
 445         return -ENODEV;
 446 }
 447 #endif
 448
 449 static int kfr2r09_usb0_gadget_setup(void)
 450 {
 451         int plugged_in;
 452
 453         gpio_request(GPIO_PTN4, NULL); /* USB_DET */
 454         gpio_direction_input(GPIO_PTN4);
 455         plugged_in = gpio_get_value(GPIO_PTN4);
 456         if (!plugged_in)
 457                 return -ENODEV; /* no cable plugged in */
 458
 459         if (kfr2r09_usb0_gadget_i2c_setup() != 0)
 460                 return -ENODEV; /* unable to configure using i2c */
 461
 462         __raw_writew((__raw_readw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
 463         gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
 464         gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
 465         gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
 466         msleep(20); /* wait 20ms to let the clock settle */
 467         clk_enable(clk_get(NULL, "usb0"));
 468         __raw_writew(0x0600, 0xa40501d4);
 469
 470         return 0;
 471 }
 472
 473 extern char kfr2r09_sdram_enter_start;
 474 extern char kfr2r09_sdram_enter_end;
 475 extern char kfr2r09_sdram_leave_start;
 476 extern char kfr2r09_sdram_leave_end;
 477
 478 static int __init kfr2r09_devices_setup(void)
 479 {
 480         struct clk *camera_clk;
 481
 482         /* register board specific self-refresh code */
 483         sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
 484                                         SUSP_SH_RSTANDBY,
 485                                         &kfr2r09_sdram_enter_start,
 486                                         &kfr2r09_sdram_enter_end,
 487                                         &kfr2r09_sdram_leave_start,
 488                                         &kfr2r09_sdram_leave_end);
 489
 490         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
 491                                      ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
 492
 493         /* enable SCIF1 serial port for YC401 console support */
 494         gpio_request(GPIO_FN_SCIF1_RXD, NULL);
 495         gpio_request(GPIO_FN_SCIF1_TXD, NULL);
 496         kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
 497         gpio_request(GPIO_PTG3, NULL); /* HPON_ON */
 498         gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */
 499
 500         /* setup NOR flash at CS0 */
 501         __raw_writel(0x36db0400, BSC_CS0BCR);
 502         __raw_writel(0x00000500, BSC_CS0WCR);
 503
 504         /* setup NAND flash at CS4 */
 505         __raw_writel(0x36db0400, BSC_CS4BCR);
 506         __raw_writel(0x00000500, BSC_CS4WCR);
 507
 508         /* setup KEYSC pins */
 509         gpio_request(GPIO_FN_KEYOUT0, NULL);
 510         gpio_request(GPIO_FN_KEYOUT1, NULL);
 511         gpio_request(GPIO_FN_KEYOUT2, NULL);
 512         gpio_request(GPIO_FN_KEYOUT3, NULL);
 513         gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
 514         gpio_request(GPIO_FN_KEYIN0, NULL);
 515         gpio_request(GPIO_FN_KEYIN1, NULL);
 516         gpio_request(GPIO_FN_KEYIN2, NULL);
 517         gpio_request(GPIO_FN_KEYIN3, NULL);
 518         gpio_request(GPIO_FN_KEYIN4, NULL);
 519         gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
 520
 521         /* setup LCDC pins for SYS panel */
 522         gpio_request(GPIO_FN_LCDD17, NULL);
 523         gpio_request(GPIO_FN_LCDD16, NULL);
 524         gpio_request(GPIO_FN_LCDD15, NULL);
 525         gpio_request(GPIO_FN_LCDD14, NULL);
 526         gpio_request(GPIO_FN_LCDD13, NULL);
 527         gpio_request(GPIO_FN_LCDD12, NULL);
 528         gpio_request(GPIO_FN_LCDD11, NULL);
 529         gpio_request(GPIO_FN_LCDD10, NULL);
 530         gpio_request(GPIO_FN_LCDD9, NULL);
 531         gpio_request(GPIO_FN_LCDD8, NULL);
 532         gpio_request(GPIO_FN_LCDD7, NULL);
 533         gpio_request(GPIO_FN_LCDD6, NULL);
 534         gpio_request(GPIO_FN_LCDD5, NULL);
 535         gpio_request(GPIO_FN_LCDD4, NULL);
 536         gpio_request(GPIO_FN_LCDD3, NULL);
 537         gpio_request(GPIO_FN_LCDD2, NULL);
 538         gpio_request(GPIO_FN_LCDD1, NULL);
 539         gpio_request(GPIO_FN_LCDD0, NULL);
 540         gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
 541         gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
 542         gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
 543         gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
 544         gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
 545         gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
 546         gpio_direction_output(GPIO_PTE4, 1);
 547         gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
 548         gpio_direction_output(GPIO_PTF4, 1);
 549         gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
 550         gpio_direction_output(GPIO_PTU0, 1);
 551
 552         /* setup USB function */
 553         if (kfr2r09_usb0_gadget_setup() == 0)
 554                 platform_device_register(&kfr2r09_usb0_gadget_device);
 555
 556         /* CEU */
 557         gpio_request(GPIO_FN_VIO_CKO, NULL);
 558         gpio_request(GPIO_FN_VIO0_CLK, NULL);
 559         gpio_request(GPIO_FN_VIO0_VD, NULL);
 560         gpio_request(GPIO_FN_VIO0_HD, NULL);
 561         gpio_request(GPIO_FN_VIO0_FLD, NULL);
 562         gpio_request(GPIO_FN_VIO0_D7, NULL);
 563         gpio_request(GPIO_FN_VIO0_D6, NULL);
 564         gpio_request(GPIO_FN_VIO0_D5, NULL);
 565         gpio_request(GPIO_FN_VIO0_D4, NULL);
 566         gpio_request(GPIO_FN_VIO0_D3, NULL);
 567         gpio_request(GPIO_FN_VIO0_D2, NULL);
 568         gpio_request(GPIO_FN_VIO0_D1, NULL);
 569         gpio_request(GPIO_FN_VIO0_D0, NULL);
 570
 571         /* SDHI0 connected to yc304 */
 572         gpio_request(GPIO_FN_SDHI0CD, NULL);
 573         gpio_request(GPIO_FN_SDHI0D3, NULL);
 574         gpio_request(GPIO_FN_SDHI0D2, NULL);
 575         gpio_request(GPIO_FN_SDHI0D1, NULL);
 576         gpio_request(GPIO_FN_SDHI0D0, NULL);
 577         gpio_request(GPIO_FN_SDHI0CMD, NULL);
 578         gpio_request(GPIO_FN_SDHI0CLK, NULL);
 579
 580         i2c_register_board_info(0, &kfr2r09_backlight_board_info, 1);
 581
 582         /* Set camera clock frequency and register and alias for rj54n1. */
 583         camera_clk = clk_get(NULL, "video_clk");
 584         if (!IS_ERR(camera_clk)) {
 585                 clk_set_rate(camera_clk,
 586                              clk_round_rate(camera_clk, CEU_MCLK_FREQ));
 587                 clk_put(camera_clk);
 588         }
 589         clk_add_alias(NULL, "1-0050", "video_clk", NULL);
 590
 591         /* set DRVCRB
 592          *
 593          * use 1.8 V for VccQ_VIO
 594          * use 2.85V for VccQ_SR
 595          */
 596         __raw_writew((__raw_readw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
 597
 598         gpiod_add_lookup_table(&rj54n1_gpios);
 599
 600         i2c_register_board_info(1, &kfr2r09_i2c_camera, 1);
 601
 602         /* Initialize CEU platform device separately to map memory first */
 603         device_initialize(&kfr2r09_ceu_device.dev);
 604         arch_setup_pdev_archdata(&kfr2r09_ceu_device);
 605         dma_declare_coherent_memory(&kfr2r09_ceu_device.dev,
 606                         ceu_dma_membase, ceu_dma_membase,
 607                         ceu_dma_membase + CEU_BUFFER_MEMORY_SIZE - 1);
 608
 609         platform_device_add(&kfr2r09_ceu_device);
 610
 611         return platform_add_devices(kfr2r09_devices,
 612                                     ARRAY_SIZE(kfr2r09_devices));
 613 }
 614 device_initcall(kfr2r09_devices_setup);
 615
 616 /* Return the board specific boot mode pin configuration */
 617 static int kfr2r09_mode_pins(void)
 618 {
 619         /* MD0=1, MD1=1, MD2=0: Clock Mode 3
 620          * MD3=0: 16-bit Area0 Bus Width
 621          * MD5=1: Little Endian
 622          * MD8=1: Test Mode Disabled
 623          */
 624         return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
 625 }
 626
 627 /* Reserve a portion of memory for CEU buffers */
 628 static void __init kfr2r09_mv_mem_reserve(void)
 629 {
 630         phys_addr_t phys;
 631         phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 632
 633         phys = memblock_phys_alloc(size, PAGE_SIZE);
 634         if (!phys)
 635                 panic("Failed to allocate CEU memory\n");
 636
 637         memblock_free(phys, size);
 638         memblock_remove(phys, size);
 639
 640         ceu_dma_membase = phys;
 641 }
 642
 643 /*
 644  * The Machine Vector
 645  */
 646 static struct sh_machine_vector mv_kfr2r09 __initmv = {
 647         .mv_name                = "kfr2r09",
 648         .mv_mode_pins           = kfr2r09_mode_pins,
 649         .mv_mem_reserve         = kfr2r09_mv_mem_reserve,
 650 };