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