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

   1 /*
   2  * KFR2R09 board support code
   3  *
   4  * Copyright (C) 2009 Magnus Damm
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #include <linux/init.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/mtd/physmap.h>
  14 #include <linux/mtd/onenand.h>
  15 #include <linux/delay.h>
  16 #include <linux/clk.h>
  17 #include <linux/gpio.h>
  18 #include <linux/input.h>
  19 #include <linux/i2c.h>
  20 #include <linux/usb/r8a66597.h>
  21 #include <media/soc_camera.h>
  22 #include <media/sh_mobile_ceu.h>
  23 #include <video/sh_mobile_lcdc.h>
  24 #include <asm/suspend.h>
  25 #include <asm/clock.h>
  26 #include <asm/machvec.h>
  27 #include <asm/io.h>
  28 #include <asm/sh_keysc.h>
  29 #include <cpu/sh7724.h>
  30 #include <mach/kfr2r09.h>
  31
  32 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
  33 {
  34         {
  35                 .name = "boot",
  36                 .offset = 0,
  37                 .size = (4 * 1024 * 1024),
  38                 .mask_flags = MTD_WRITEABLE,    /* Read-only */
  39         },
  40         {
  41                 .name = "other",
  42                 .offset = MTDPART_OFS_APPEND,
  43                 .size = MTDPART_SIZ_FULL,
  44         },
  45 };
  46
  47 static struct physmap_flash_data kfr2r09_nor_flash_data = {
  48         .width          = 2,
  49         .parts          = kfr2r09_nor_flash_partitions,
  50         .nr_parts       = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
  51 };
  52
  53 static struct resource kfr2r09_nor_flash_resources[] = {
  54         [0] = {
  55                 .name           = "NOR Flash",
  56                 .start          = 0x00000000,
  57                 .end            = 0x03ffffff,
  58                 .flags          = IORESOURCE_MEM,
  59         }
  60 };
  61
  62 static struct platform_device kfr2r09_nor_flash_device = {
  63         .name           = "physmap-flash",
  64         .resource       = kfr2r09_nor_flash_resources,
  65         .num_resources  = ARRAY_SIZE(kfr2r09_nor_flash_resources),
  66         .dev            = {
  67                 .platform_data = &kfr2r09_nor_flash_data,
  68         },
  69 };
  70
  71 static struct resource kfr2r09_nand_flash_resources[] = {
  72         [0] = {
  73                 .name           = "NAND Flash",
  74                 .start          = 0x10000000,
  75                 .end            = 0x1001ffff,
  76                 .flags          = IORESOURCE_MEM,
  77         }
  78 };
  79
  80 static struct platform_device kfr2r09_nand_flash_device = {
  81         .name           = "onenand-flash",
  82         .resource       = kfr2r09_nand_flash_resources,
  83         .num_resources  = ARRAY_SIZE(kfr2r09_nand_flash_resources),
  84 };
  85
  86 static struct sh_keysc_info kfr2r09_sh_keysc_info = {
  87         .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
  88         .scan_timing = 3,
  89         .delay = 10,
  90         .keycodes = {
  91                 KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
  92                 KEY_1, KEY_2, KEY_3, 0, KEY_UP,
  93                 KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
  94                 KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
  95                 KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
  96                 0, 0, 0, 0, 0
  97         },
  98 };
  99
 100 static struct resource kfr2r09_sh_keysc_resources[] = {
 101         [0] = {
 102                 .name   = "KEYSC",
 103                 .start  = 0x044b0000,
 104                 .end    = 0x044b000f,
 105                 .flags  = IORESOURCE_MEM,
 106         },
 107         [1] = {
 108                 .start  = 79,
 109                 .flags  = IORESOURCE_IRQ,
 110         },
 111 };
 112
 113 static struct platform_device kfr2r09_sh_keysc_device = {
 114         .name           = "sh_keysc",
 115         .id             = 0, /* "keysc0" clock */
 116         .num_resources  = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
 117         .resource       = kfr2r09_sh_keysc_resources,
 118         .dev    = {
 119                 .platform_data  = &kfr2r09_sh_keysc_info,
 120         },
 121         .archdata = {
 122                 .hwblk_id = HWBLK_KEYSC,
 123         },
 124 };
 125
 126 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
 127         .clock_source = LCDC_CLK_BUS,
 128         .ch[0] = {
 129                 .chan = LCDC_CHAN_MAINLCD,
 130                 .bpp = 16,
 131                 .interface_type = SYS18,
 132                 .clock_divider = 6,
 133                 .flags = LCDC_FLAGS_DWPOL,
 134                 .lcd_cfg = {
 135                         .name = "TX07D34VM0AAA",
 136                         .xres = 240,
 137                         .yres = 400,
 138                         .left_margin = 0,
 139                         .right_margin = 16,
 140                         .hsync_len = 8,
 141                         .upper_margin = 0,
 142                         .lower_margin = 1,
 143                         .vsync_len = 1,
 144                         .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 145                 },
 146                 .lcd_size_cfg = {
 147                         .width = 35,
 148                         .height = 58,
 149                 },
 150                 .board_cfg = {
 151                         .setup_sys = kfr2r09_lcd_setup,
 152                         .display_on = kfr2r09_lcd_on,
 153                         .display_off = kfr2r09_lcd_off,
 154                 },
 155                 .sys_bus_cfg = {
 156                         .ldmt2r = 0x07010904,
 157                         .ldmt3r = 0x14012914,
 158                         /* set 1s delay to encourage fsync() */
 159                         .deferred_io_msec = 1000,
 160                 },
 161         }
 162 };
 163
 164 static struct resource kfr2r09_sh_lcdc_resources[] = {
 165         [0] = {
 166                 .name   = "LCDC",
 167                 .start  = 0xfe940000, /* P4-only space */
 168                 .end    = 0xfe942fff,
 169                 .flags  = IORESOURCE_MEM,
 170         },
 171         [1] = {
 172                 .start  = 106,
 173                 .flags  = IORESOURCE_IRQ,
 174         },
 175 };
 176
 177 static struct platform_device kfr2r09_sh_lcdc_device = {
 178         .name           = "sh_mobile_lcdc_fb",
 179         .num_resources  = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
 180         .resource       = kfr2r09_sh_lcdc_resources,
 181         .dev    = {
 182                 .platform_data  = &kfr2r09_sh_lcdc_info,
 183         },
 184         .archdata = {
 185                 .hwblk_id = HWBLK_LCDC,
 186         },
 187 };
 188
 189 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
 190         .on_chip = 1,
 191 };
 192
 193 static struct resource kfr2r09_usb0_gadget_resources[] = {
 194         [0] = {
 195                 .start  = 0x04d80000,
 196                 .end    = 0x04d80123,
 197                 .flags  = IORESOURCE_MEM,
 198         },
 199         [1] = {
 200                 .start  = 65,
 201                 .end    = 65,
 202                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
 203         },
 204 };
 205
 206 static struct platform_device kfr2r09_usb0_gadget_device = {
 207         .name           = "r8a66597_udc",
 208         .id             = 0,
 209         .dev = {
 210                 .dma_mask               = NULL,         /*  not use dma */
 211                 .coherent_dma_mask      = 0xffffffff,
 212                 .platform_data  = &kfr2r09_usb0_gadget_data,
 213         },
 214         .num_resources  = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
 215         .resource       = kfr2r09_usb0_gadget_resources,
 216 };
 217
 218 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
 219         .flags = SH_CEU_FLAG_USE_8BIT_BUS,
 220 };
 221
 222 static struct resource kfr2r09_ceu_resources[] = {
 223         [0] = {
 224                 .name   = "CEU",
 225                 .start  = 0xfe910000,
 226                 .end    = 0xfe91009f,
 227                 .flags  = IORESOURCE_MEM,
 228         },
 229         [1] = {
 230                 .start  = 52,
 231                 .end  = 52,
 232                 .flags  = IORESOURCE_IRQ,
 233         },
 234         [2] = {
 235                 /* place holder for contiguous memory */
 236         },
 237 };
 238
 239 static struct platform_device kfr2r09_ceu_device = {
 240         .name           = "sh_mobile_ceu",
 241         .id             = 0, /* "ceu0" clock */
 242         .num_resources  = ARRAY_SIZE(kfr2r09_ceu_resources),
 243         .resource       = kfr2r09_ceu_resources,
 244         .dev    = {
 245                 .platform_data  = &sh_mobile_ceu_info,
 246         },
 247         .archdata = {
 248                 .hwblk_id = HWBLK_CEU0,
 249         },
 250 };
 251
 252 static struct i2c_board_info kfr2r09_i2c_camera = {
 253         I2C_BOARD_INFO("rj54n1cb0c", 0x50),
 254 };
 255
 256 static struct clk *camera_clk;
 257
 258 #define DRVCRB 0xA405018C
 259 static int camera_power(struct device *dev, int mode)
 260 {
 261         int ret;
 262
 263         if (mode) {
 264                 long rate;
 265
 266                 camera_clk = clk_get(NULL, "video_clk");
 267                 if (IS_ERR(camera_clk))
 268                         return PTR_ERR(camera_clk);
 269
 270                 /* set VIO_CKO clock to 25MHz */
 271                 rate = clk_round_rate(camera_clk, 25000000);
 272                 ret = clk_set_rate(camera_clk, rate);
 273                 if (ret < 0)
 274                         goto eclkrate;
 275
 276                 /* set DRVCRB
 277                  *
 278                  * use 1.8 V for VccQ_VIO
 279                  * use 2.85V for VccQ_SR
 280                  */
 281                 ctrl_outw((ctrl_inw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
 282
 283                 /* reset clear */
 284                 ret = gpio_request(GPIO_PTB4, NULL);
 285                 if (ret < 0)
 286                         goto eptb4;
 287                 ret = gpio_request(GPIO_PTB7, NULL);
 288                 if (ret < 0)
 289                         goto eptb7;
 290
 291                 ret = gpio_direction_output(GPIO_PTB4, 1);
 292                 if (!ret)
 293                         ret = gpio_direction_output(GPIO_PTB7, 1);
 294                 if (ret < 0)
 295                         goto egpioout;
 296                 msleep(1);
 297
 298                 ret = clk_enable(camera_clk);   /* start VIO_CKO */
 299                 if (ret < 0)
 300                         goto eclkon;
 301
 302                 return 0;
 303         }
 304
 305         ret = 0;
 306
 307         clk_disable(camera_clk);
 308 eclkon:
 309         gpio_set_value(GPIO_PTB7, 0);
 310 egpioout:
 311         gpio_set_value(GPIO_PTB4, 0);
 312         gpio_free(GPIO_PTB7);
 313 eptb7:
 314         gpio_free(GPIO_PTB4);
 315 eptb4:
 316 eclkrate:
 317         clk_put(camera_clk);
 318         return ret;
 319 }
 320
 321 static struct soc_camera_link rj54n1_link = {
 322         .power          = camera_power,
 323         .board_info     = &kfr2r09_i2c_camera,
 324         .i2c_adapter_id = 1,
 325         .module_name    = "rj54n1cb0c",
 326 };
 327
 328 static struct platform_device kfr2r09_camera = {
 329         .name   = "soc-camera-pdrv",
 330         .id     = 0,
 331         .dev    = {
 332                 .platform_data = &rj54n1_link,
 333         },
 334 };
 335
 336 static struct resource kfr2r09_sh_sdhi0_resources[] = {
 337         [0] = {
 338                 .name   = "SDHI0",
 339                 .start  = 0x04ce0000,
 340                 .end    = 0x04ce01ff,
 341                 .flags  = IORESOURCE_MEM,
 342         },
 343         [1] = {
 344                 .start  = 101,
 345                 .flags  = IORESOURCE_IRQ,
 346         },
 347 };
 348
 349 static struct platform_device kfr2r09_sh_sdhi0_device = {
 350         .name           = "sh_mobile_sdhi",
 351         .num_resources  = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
 352         .resource       = kfr2r09_sh_sdhi0_resources,
 353         .archdata = {
 354                 .hwblk_id = HWBLK_SDHI0,
 355         },
 356 };
 357
 358 static struct platform_device *kfr2r09_devices[] __initdata = {
 359         &kfr2r09_nor_flash_device,
 360         &kfr2r09_nand_flash_device,
 361         &kfr2r09_sh_keysc_device,
 362         &kfr2r09_sh_lcdc_device,
 363         &kfr2r09_ceu_device,
 364         &kfr2r09_camera,
 365         &kfr2r09_sh_sdhi0_device,
 366 };
 367
 368 #define BSC_CS0BCR 0xfec10004
 369 #define BSC_CS0WCR 0xfec10024
 370 #define BSC_CS4BCR 0xfec10010
 371 #define BSC_CS4WCR 0xfec10030
 372 #define PORT_MSELCRB 0xa4050182
 373
 374 #ifdef CONFIG_I2C
 375 static int kfr2r09_usb0_gadget_i2c_setup(void)
 376 {
 377         struct i2c_adapter *a;
 378         struct i2c_msg msg;
 379         unsigned char buf[2];
 380         int ret;
 381
 382         a = i2c_get_adapter(0);
 383         if (!a)
 384                 return -ENODEV;
 385
 386         /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
 387         buf[0] = 0x13;
 388         msg.addr = 0x09;
 389         msg.buf = buf;
 390         msg.len = 1;
 391         msg.flags = 0;
 392         ret = i2c_transfer(a, &msg, 1);
 393         if (ret != 1)
 394                 return -ENODEV;
 395
 396         buf[0] = 0;
 397         msg.addr = 0x09;
 398         msg.buf = buf;
 399         msg.len = 1;
 400         msg.flags = I2C_M_RD;
 401         ret = i2c_transfer(a, &msg, 1);
 402         if (ret != 1)
 403                 return -ENODEV;
 404
 405         buf[1] = buf[0] | (1 << 1);
 406         buf[0] = 0x13;
 407         msg.addr = 0x09;
 408         msg.buf = buf;
 409         msg.len = 2;
 410         msg.flags = 0;
 411         ret = i2c_transfer(a, &msg, 1);
 412         if (ret != 1)
 413                 return -ENODEV;
 414
 415         return 0;
 416 }
 417 #else
 418 static int kfr2r09_usb0_gadget_i2c_setup(void)
 419 {
 420         return -ENODEV;
 421 }
 422 #endif
 423
 424 static int kfr2r09_usb0_gadget_setup(void)
 425 {
 426         int plugged_in;
 427
 428         gpio_request(GPIO_PTN4, NULL); /* USB_DET */
 429         gpio_direction_input(GPIO_PTN4);
 430         plugged_in = gpio_get_value(GPIO_PTN4);
 431         if (!plugged_in)
 432                 return -ENODEV; /* no cable plugged in */
 433
 434         if (kfr2r09_usb0_gadget_i2c_setup() != 0)
 435                 return -ENODEV; /* unable to configure using i2c */
 436
 437         ctrl_outw((ctrl_inw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
 438         gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
 439         gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
 440         gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
 441         msleep(20); /* wait 20ms to let the clock settle */
 442         clk_enable(clk_get(NULL, "usb0"));
 443         ctrl_outw(0x0600, 0xa40501d4);
 444
 445         return 0;
 446 }
 447
 448 extern char kfr2r09_sdram_enter_start;
 449 extern char kfr2r09_sdram_enter_end;
 450 extern char kfr2r09_sdram_leave_start;
 451 extern char kfr2r09_sdram_leave_end;
 452
 453 static int __init kfr2r09_devices_setup(void)
 454 {
 455         /* register board specific self-refresh code */
 456         sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
 457                                         &kfr2r09_sdram_enter_start,
 458                                         &kfr2r09_sdram_enter_end,
 459                                         &kfr2r09_sdram_leave_start,
 460                                         &kfr2r09_sdram_leave_end);
 461
 462         /* enable SCIF1 serial port for YC401 console support */
 463         gpio_request(GPIO_FN_SCIF1_RXD, NULL);
 464         gpio_request(GPIO_FN_SCIF1_TXD, NULL);
 465
 466         /* setup NOR flash at CS0 */
 467         ctrl_outl(0x36db0400, BSC_CS0BCR);
 468         ctrl_outl(0x00000500, BSC_CS0WCR);
 469
 470         /* setup NAND flash at CS4 */
 471         ctrl_outl(0x36db0400, BSC_CS4BCR);
 472         ctrl_outl(0x00000500, BSC_CS4WCR);
 473
 474         /* setup KEYSC pins */
 475         gpio_request(GPIO_FN_KEYOUT0, NULL);
 476         gpio_request(GPIO_FN_KEYOUT1, NULL);
 477         gpio_request(GPIO_FN_KEYOUT2, NULL);
 478         gpio_request(GPIO_FN_KEYOUT3, NULL);
 479         gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
 480         gpio_request(GPIO_FN_KEYIN0, NULL);
 481         gpio_request(GPIO_FN_KEYIN1, NULL);
 482         gpio_request(GPIO_FN_KEYIN2, NULL);
 483         gpio_request(GPIO_FN_KEYIN3, NULL);
 484         gpio_request(GPIO_FN_KEYIN4, NULL);
 485         gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
 486
 487         /* setup LCDC pins for SYS panel */
 488         gpio_request(GPIO_FN_LCDD17, NULL);
 489         gpio_request(GPIO_FN_LCDD16, NULL);
 490         gpio_request(GPIO_FN_LCDD15, NULL);
 491         gpio_request(GPIO_FN_LCDD14, NULL);
 492         gpio_request(GPIO_FN_LCDD13, NULL);
 493         gpio_request(GPIO_FN_LCDD12, NULL);
 494         gpio_request(GPIO_FN_LCDD11, NULL);
 495         gpio_request(GPIO_FN_LCDD10, NULL);
 496         gpio_request(GPIO_FN_LCDD9, NULL);
 497         gpio_request(GPIO_FN_LCDD8, NULL);
 498         gpio_request(GPIO_FN_LCDD7, NULL);
 499         gpio_request(GPIO_FN_LCDD6, NULL);
 500         gpio_request(GPIO_FN_LCDD5, NULL);
 501         gpio_request(GPIO_FN_LCDD4, NULL);
 502         gpio_request(GPIO_FN_LCDD3, NULL);
 503         gpio_request(GPIO_FN_LCDD2, NULL);
 504         gpio_request(GPIO_FN_LCDD1, NULL);
 505         gpio_request(GPIO_FN_LCDD0, NULL);
 506         gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
 507         gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
 508         gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
 509         gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
 510         gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
 511         gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
 512         gpio_direction_output(GPIO_PTE4, 1);
 513         gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
 514         gpio_direction_output(GPIO_PTF4, 1);
 515         gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
 516         gpio_direction_output(GPIO_PTU0, 1);
 517
 518         /* setup USB function */
 519         if (kfr2r09_usb0_gadget_setup() == 0)
 520                 platform_device_register(&kfr2r09_usb0_gadget_device);
 521
 522         /* CEU */
 523         gpio_request(GPIO_FN_VIO_CKO, NULL);
 524         gpio_request(GPIO_FN_VIO0_CLK, NULL);
 525         gpio_request(GPIO_FN_VIO0_VD, NULL);
 526         gpio_request(GPIO_FN_VIO0_HD, NULL);
 527         gpio_request(GPIO_FN_VIO0_FLD, NULL);
 528         gpio_request(GPIO_FN_VIO0_D7, NULL);
 529         gpio_request(GPIO_FN_VIO0_D6, NULL);
 530         gpio_request(GPIO_FN_VIO0_D5, NULL);
 531         gpio_request(GPIO_FN_VIO0_D4, NULL);
 532         gpio_request(GPIO_FN_VIO0_D3, NULL);
 533         gpio_request(GPIO_FN_VIO0_D2, NULL);
 534         gpio_request(GPIO_FN_VIO0_D1, NULL);
 535         gpio_request(GPIO_FN_VIO0_D0, NULL);
 536
 537         platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
 538
 539         /* SDHI0 connected to yc304 */
 540         gpio_request(GPIO_FN_SDHI0CD, NULL);
 541         gpio_request(GPIO_FN_SDHI0WP, NULL);
 542         gpio_request(GPIO_FN_SDHI0D3, NULL);
 543         gpio_request(GPIO_FN_SDHI0D2, NULL);
 544         gpio_request(GPIO_FN_SDHI0D1, NULL);
 545         gpio_request(GPIO_FN_SDHI0D0, NULL);
 546         gpio_request(GPIO_FN_SDHI0CMD, NULL);
 547         gpio_request(GPIO_FN_SDHI0CLK, NULL);
 548
 549         return platform_add_devices(kfr2r09_devices,
 550                                     ARRAY_SIZE(kfr2r09_devices));
 551 }
 552 device_initcall(kfr2r09_devices_setup);
 553
 554 /* Return the board specific boot mode pin configuration */
 555 static int kfr2r09_mode_pins(void)
 556 {
 557         /* MD0=1, MD1=1, MD2=0: Clock Mode 3
 558          * MD3=0: 16-bit Area0 Bus Width
 559          * MD5=1: Little Endian
 560          * MD8=1: Test Mode Disabled
 561          */
 562         return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
 563 }
 564
 565 /*
 566  * The Machine Vector
 567  */
 568 static struct sh_machine_vector mv_kfr2r09 __initmv = {
 569         .mv_name                = "kfr2r09",
 570         .mv_mode_pins           = kfr2r09_mode_pins,
 571 };