arch/arm/mach-rk2928/board-rk2928-a720.c

   1 /* arch/arm/mach-rk2928/board-rk2928-fpga.c
   2  *
   3  * Copyright (C) 2012 ROCKCHIP, Inc.
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/input.h>
  20 #include <linux/io.h>
  21 #include <linux/delay.h>
  22 #include <linux/i2c.h>
  23 #include <linux/skbuff.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/mmc/host.h>
  26 #include <linux/ion.h>
  27 #include <linux/cpufreq.h>
  28 #include <linux/clk.h>
  29
  30 #include <asm/setup.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/map.h>
  34 #include <asm/mach/flash.h>
  35 #include <asm/hardware/gic.h>
  36 #include <mach/dvfs.h>
  37
  38 #include <mach/board.h>
  39 #include <mach/hardware.h>
  40 #include <mach/io.h>
  41 #include <mach/gpio.h>
  42 #include <mach/iomux.h>
  43 #include <linux/fb.h>
  44 #include <linux/regulator/machine.h>
  45 #include <linux/rfkill-rk.h>
  46 #include <linux/sensor-dev.h>
  47 #include <linux/mfd/tps65910.h>
  48 #include <linux/regulator/rk29-pwm-regulator.h>
  49 #if defined(CONFIG_HDMI_RK30)
  50         #include "../../../drivers/video/rockchip/hdmi/rk_hdmi.h"
  51 #endif
  52
  53 #if defined(CONFIG_SPIM_RK29)
  54 #include "../../../drivers/spi/rk29_spim.h"
  55 #endif
  56
  57 #include "board-rk2928-a720-camera.c"
  58 #include "board-rk2928-a720-key.c"
  59
  60 #ifdef  CONFIG_THREE_FB_BUFFER
  61 #define RK30_FB0_MEM_SIZE 12*SZ_1M
  62 #else
  63 #define RK30_FB0_MEM_SIZE 8*SZ_1M
  64 #endif
  65
  66 static struct spi_board_info board_spi_devices[] = {
  67 };
  68
  69 /***********************************************************
  70 *       rk30  backlight
  71 ************************************************************/
  72 #ifdef CONFIG_BACKLIGHT_RK29_BL
  73 #define PWM_ID            0
  74 #define PWM_MUX_NAME      GPIO0D2_PWM_0_NAME
  75 #define PWM_MUX_MODE      GPIO0D_PWM_0
  76 #define PWM_MUX_MODE_GPIO GPIO0D_GPIO0D2
  77 #define PWM_GPIO          RK2928_PIN0_PD2
  78 #define PWM_EFFECT_VALUE  0
  79
  80 #define LCD_DISP_ON_PIN
  81
  82 #ifdef  LCD_DISP_ON_PIN
  83
  84 #define BL_EN_PIN         RK2928_PIN1_PB0
  85 #define BL_EN_VALUE       GPIO_HIGH
  86 #endif
  87 static int rk29_backlight_io_init(void)
  88 {
  89         int ret = 0;
  90         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE);
  91 #ifdef  LCD_DISP_ON_PIN
  92         // rk30_mux_api_set(BL_EN_MUX_NAME, BL_EN_MUX_MODE);
  93
  94         ret = gpio_request(BL_EN_PIN, NULL);
  95         if (ret != 0) {
  96                 gpio_free(BL_EN_PIN);
  97         }
  98
  99         gpio_direction_output(BL_EN_PIN, 0);
 100         gpio_set_value(BL_EN_PIN, BL_EN_VALUE);
 101 #endif
 102         return ret;
 103 }
 104
 105 static int rk29_backlight_io_deinit(void)
 106 {
 107         int ret = 0;
 108 #ifdef  LCD_DISP_ON_PIN
 109         gpio_set_value(BL_EN_PIN, !BL_EN_VALUE);
 110         gpio_free(BL_EN_PIN);
 111 #endif
 112         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE_GPIO);
 113         return ret;
 114 }
 115
 116 static int rk29_backlight_pwm_suspend(void)
 117 {
 118         int ret = 0;
 119         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE_GPIO);
 120         if (gpio_request(PWM_GPIO, NULL)) {
 121                 printk("func %s, line %d: request gpio fail\n", __FUNCTION__, __LINE__);
 122                 return -1;
 123         }
 124         gpio_direction_output(PWM_GPIO, GPIO_LOW);
 125 #ifdef  LCD_DISP_ON_PIN
 126         gpio_direction_output(BL_EN_PIN, 0);
 127         gpio_set_value(BL_EN_PIN, !BL_EN_VALUE);
 128 #endif
 129
 130         return ret;
 131 }
 132
 133 static int rk29_backlight_pwm_resume(void)
 134 {
 135         gpio_free(PWM_GPIO);
 136         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE);
 137 #ifdef  LCD_DISP_ON_PIN
 138         msleep(30);
 139         gpio_direction_output(BL_EN_PIN, 1);
 140         gpio_set_value(BL_EN_PIN, BL_EN_VALUE);
 141 #endif
 142         return 0;
 143 }
 144
 145 static struct rk29_bl_info rk29_bl_info = {
 146         .pwm_id = PWM_ID,
 147         .min_brightness = 80,
 148         .bl_ref = PWM_EFFECT_VALUE,
 149         .io_init = rk29_backlight_io_init,
 150         .io_deinit = rk29_backlight_io_deinit,
 151         .pwm_suspend = rk29_backlight_pwm_suspend,
 152         .pwm_resume = rk29_backlight_pwm_resume,
 153 };
 154
 155 static struct platform_device rk29_device_backlight = {
 156         .name   = "rk29_backlight",
 157         .id     = -1,
 158         .dev    = {
 159                 .platform_data  = &rk29_bl_info,
 160         }
 161 };
 162
 163 #endif
 164
 165 #ifdef CONFIG_FB_ROCKCHIP
 166
 167 #define LCD_MUX_NAME  GPIO0C2_UART0_RTSN_NAME
 168 #define LCD_GPIO_MODE GPIO0C_GPIO0C2
 169
 170 #define LCD_EN        RK2928_PIN0_PC2
 171 #define LCD_EN_VALUE  GPIO_LOW
 172
 173 static int rk_fb_io_init(struct rk29_fb_setting_info *fb_setting)
 174 {
 175         int ret = 0;
 176
 177         rk30_mux_api_set(LCD_MUX_NAME, LCD_GPIO_MODE);
 178
 179         ret = gpio_request(LCD_EN, NULL);
 180         if (ret != 0)
 181         {
 182                 gpio_free(LCD_EN);
 183                 printk(KERN_ERR "request lcd en pin fail!\n");
 184                 return -1;
 185         }
 186         else
 187         {
 188                 gpio_direction_output(LCD_EN, LCD_EN_VALUE); //disable
 189         }
 190         return 0;
 191 }
 192 static int rk_fb_io_disable(void)
 193 {
 194         gpio_set_value(LCD_EN, !LCD_EN_VALUE);
 195         return 0;
 196 }
 197 static int rk_fb_io_enable(void)
 198 {
 199         gpio_set_value(LCD_EN, LCD_EN_VALUE);
 200         return 0;
 201 }
 202
 203 #if defined(CONFIG_LCDC_RK2928)
 204 struct rk29fb_info lcdc_screen_info = {
 205         .prop      = PRMRY,             //primary display device
 206         .io_init   = rk_fb_io_init,
 207         .io_disable = rk_fb_io_disable,
 208         .io_enable = rk_fb_io_enable,
 209         .set_screen_info = set_lcd_info,
 210 };
 211 #endif
 212
 213 static struct resource resource_fb[] = {
 214         [0] = {
 215                 .name  = "fb0 buf",
 216                 .start = 0,
 217                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 218                 .flags = IORESOURCE_MEM,
 219         },
 220         [1] = {
 221                 .name  = "ipp buf",  //for rotate
 222                 .start = 0,
 223                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 224                 .flags = IORESOURCE_MEM,
 225         },
 226         [2] = {
 227                 .name  = "fb2 buf",
 228                 .start = 0,
 229                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 230                 .flags = IORESOURCE_MEM,
 231         },
 232 };
 233
 234 static struct platform_device device_fb = {
 235         .name           = "rk-fb",
 236         .id             = -1,
 237         .num_resources  = ARRAY_SIZE(resource_fb),
 238         .resource       = resource_fb,
 239 };
 240 #endif
 241
 242 //LCDC
 243 #ifdef CONFIG_LCDC_RK2928
 244 static struct resource resource_lcdc[] = {
 245         [0] = {
 246                 .name  = "lcdc reg",
 247                 .start = RK2928_LCDC_PHYS,
 248                 .end   = RK2928_LCDC_PHYS + RK2928_LCDC_SIZE - 1,
 249                 .flags = IORESOURCE_MEM,
 250         },
 251
 252         [1] = {
 253                 .name  = "lcdc irq",
 254                 .start = IRQ_LCDC,
 255                 .end   = IRQ_LCDC,
 256                 .flags = IORESOURCE_IRQ,
 257         },
 258 };
 259
 260 static struct platform_device device_lcdc = {
 261         .name             = "rk2928-lcdc",
 262         .id               = 0,
 263         .num_resources    = ARRAY_SIZE(resource_lcdc),
 264         .resource         = resource_lcdc,
 265         .dev            = {
 266                 .platform_data = &lcdc_screen_info,
 267         },
 268 };
 269 #endif
 270
 271 #ifdef CONFIG_ION
 272 #define ION_RESERVE_SIZE        (80 * SZ_1M)
 273 static struct ion_platform_data rk30_ion_pdata = {
 274         .nr = 1,
 275         .heaps = {
 276                 {
 277                         .type = ION_HEAP_TYPE_CARVEOUT,
 278                         .id = ION_NOR_HEAP_ID,
 279                         .name = "norheap",
 280                         .size = ION_RESERVE_SIZE,
 281                 }
 282         },
 283 };
 284
 285 static struct platform_device device_ion = {
 286         .name = "ion-rockchip",
 287         .id = 0,
 288         .dev = {
 289                 .platform_data = &rk30_ion_pdata,
 290         },
 291 };
 292 #endif
 293
 294
 295 #if defined(CONFIG_TOUCHSCREEN_SITRONIX_A720)
 296
 297 #define TOUCH_RESET_PIN  RK2928_PIN1_PA3
 298 #define TOUCH_INT_PIN    RK2928_PIN1_PB3
 299 int ft5306_init_platform_hw(void)
 300 {
 301
 302         //printk("ft5306_init_platform_hw\n");
 303         if(gpio_request(TOUCH_RESET_PIN,NULL) != 0){
 304                 gpio_free(TOUCH_RESET_PIN);
 305                 printk("ft5306_init_platform_hw gpio_request error\n");
 306                 return -EIO;
 307         }
 308
 309         if(gpio_request(TOUCH_INT_PIN,NULL) != 0){
 310                 gpio_free(TOUCH_INT_PIN);
 311                 printk("ift5306_init_platform_hw gpio_request error\n");
 312                 return -EIO;
 313         }
 314         gpio_direction_output(TOUCH_RESET_PIN, GPIO_HIGH);
 315         mdelay(10);
 316         gpio_set_value(TOUCH_RESET_PIN,GPIO_LOW);
 317         mdelay(10);
 318         gpio_set_value(TOUCH_RESET_PIN,GPIO_HIGH);
 319         msleep(300);
 320         return 0;
 321
 322 }
 323
 324 struct ft5x0x_platform_data sitronix_info = {
 325         .model = 5007,
 326         .init_platform_hw= ft5306_init_platform_hw,
 327 };
 328
 329 #endif
 330
 331
 332 /*MMA7660 gsensor*/
 333 #if defined (CONFIG_GS_MMA7660)
 334 #define MMA7660_INT_PIN   RK2928_PIN1_PB1
 335
 336 static int mma7660_init_platform_hw(void)
 337 {
 338         rk30_mux_api_set(GPIO1B1_SPI_TXD_UART1_SOUT_NAME, GPIO1B_GPIO1B1);
 339
 340         return 0;
 341 }
 342
 343 static struct sensor_platform_data mma7660_info = {
 344         .type = SENSOR_TYPE_ACCEL,
 345         .irq_enable = 1,
 346         .poll_delay_ms = 30,
 347         .init_platform_hw = mma7660_init_platform_hw,
 348         .orientation = {-1, 0, 0, 0, 0, -1, 0, 1, 0},
 349 };
 350 #endif
 351
 352
 353 #if CONFIG_RK30_PWM_REGULATOR
 354 const static int pwm_voltage_map[] = {
 355         1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, 1400000
 356 };
 357
 358 static struct regulator_consumer_supply pwm_dcdc1_consumers[] = {
 359         {
 360                 .supply = "vdd_core",
 361         }
 362 };
 363
 364 struct regulator_init_data pwm_regulator_init_dcdc[1] =
 365 {
 366         {
 367                 .constraints = {
 368                         .name = "PWM_DCDC1",
 369                         .min_uV = 600000,
 370                         .max_uV = 1800000,      //0.6-1.8V
 371                         .apply_uV = true,
 372                         .valid_ops_mask = REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE,
 373                 },
 374                 .num_consumer_supplies = ARRAY_SIZE(pwm_dcdc1_consumers),
 375                 .consumer_supplies = pwm_dcdc1_consumers,
 376         },
 377 };
 378
 379 static struct pwm_platform_data pwm_regulator_info[1] = {
 380         {
 381                 .pwm_id = 2,
 382                 .pwm_gpio = RK2928_PIN0_PD4,
 383                 .pwm_iomux_name = GPIO0D4_PWM_2_NAME,
 384                 .pwm_iomux_pwm = GPIO0D_PWM_2,
 385                 .pwm_iomux_gpio = GPIO0D_GPIO0D4,
 386                 .pwm_voltage = 1200000,
 387                 .suspend_voltage = 1050000,
 388                 .min_uV = 1000000,
 389                 .max_uV = 1400000,
 390                 .coefficient = 455,     //45.5%
 391                 .pwm_voltage_map = pwm_voltage_map,
 392                 .init_data      = &pwm_regulator_init_dcdc[0],
 393         },
 394 };
 395
 396 struct platform_device pwm_regulator_device[1] = {
 397         {
 398                 .name = "pwm-voltage-regulator",
 399                 .id = 0,
 400                 .dev            = {
 401                         .platform_data = &pwm_regulator_info[0],
 402                 }
 403         },
 404 };
 405 #endif
 406 /**************************************************************************************************
 407  * SDMMC devices,  include the module of SD,MMC,and sdio.noted by xbw at 2012-03-05
 408 **************************************************************************************************/
 409 #ifdef CONFIG_SDMMC_RK29
 410 #include "board-rk2928-sdk-sdmmc.c"
 411
 412 #if defined(CONFIG_SDMMC0_RK29_WRITE_PROTECT)
 413 #define SDMMC0_WRITE_PROTECT_PIN        RK2928_PIN1_PA7 //According to your own project to set the value of write-protect-pin.
 414 #endif
 415
 416 #if defined(CONFIG_SDMMC1_RK29_WRITE_PROTECT)
 417 #define SDMMC1_WRITE_PROTECT_PIN        RK2928_PIN0_PD5 //According to your own project to set the value of write-protect-pin.
 418 #endif
 419
 420 #define RK29SDK_WIFI_SDIO_CARD_DETECT_N    RK2928_PIN0_PB2
 421
 422 #endif //endif ---#ifdef CONFIG_SDMMC_RK29
 423
 424 #ifdef CONFIG_SDMMC0_RK29
 425 static int rk29_sdmmc0_cfg_gpio(void)
 426 {
 427         rk29_sdmmc_set_iomux(0, 0xFFFF);
 428
 429         rk30_mux_api_set(GPIO1C1_MMC0_DETN_NAME, GPIO1C_MMC0_DETN);
 430
 431 #if defined(CONFIG_SDMMC0_RK29_WRITE_PROTECT)
 432         gpio_request(SDMMC0_WRITE_PROTECT_PIN, "sdmmc-wp");
 433         gpio_direction_input(SDMMC0_WRITE_PROTECT_PIN);
 434 #endif
 435
 436         return 0;
 437 }
 438
 439 #define CONFIG_SDMMC0_USE_DMA
 440 struct rk29_sdmmc_platform_data default_sdmmc0_data = {
 441         .host_ocr_avail =
 442             (MMC_VDD_25_26 | MMC_VDD_26_27 | MMC_VDD_27_28 | MMC_VDD_28_29 |
 443              MMC_VDD_29_30 | MMC_VDD_30_31 | MMC_VDD_31_32 | MMC_VDD_32_33 |
 444              MMC_VDD_33_34 | MMC_VDD_34_35 | MMC_VDD_35_36),
 445         .host_caps =
 446             (MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
 447         .io_init = rk29_sdmmc0_cfg_gpio,
 448
 449 #if !defined(CONFIG_SDMMC_RK29_OLD)
 450         .set_iomux = rk29_sdmmc_set_iomux,
 451 #endif
 452
 453         .dma_name = "sd_mmc",
 454 #ifdef CONFIG_SDMMC0_USE_DMA
 455         .use_dma = 1,
 456 #else
 457         .use_dma = 0,
 458 #endif
 459         .detect_irq = RK2928_PIN1_PC1,  // INVALID_GPIO
 460         .enable_sd_wakeup = 0,
 461
 462 #if defined(CONFIG_SDMMC0_RK29_WRITE_PROTECT)
 463         .write_prt = SDMMC0_WRITE_PROTECT_PIN,
 464 #else
 465         .write_prt = INVALID_GPIO,
 466 #endif
 467 };
 468 #endif // CONFIG_SDMMC0_RK29
 469
 470 #ifdef CONFIG_SND_SOC_RK2928
 471 static struct resource resources_acodec[] = {
 472         {
 473                 .start  = RK2928_ACODEC_PHYS,
 474                 .end    = RK2928_ACODEC_PHYS + RK2928_ACODEC_SIZE - 1,
 475                 .flags  = IORESOURCE_MEM,
 476         },
 477         {
 478                 .start  = RK2928_PIN1_PA0,
 479                 .end    = RK2928_PIN1_PA0,
 480                 .flags  = IORESOURCE_IO,
 481         },
 482 };
 483
 484 static struct platform_device device_acodec = {
 485         .name   = "rk2928-codec",
 486         .id             = -1,
 487         .num_resources  = ARRAY_SIZE(resources_acodec),
 488         .resource       = resources_acodec,
 489 };
 490 #endif
 491
 492 static struct platform_device *devices[] __initdata = {
 493 #ifdef CONFIG_FB_ROCKCHIP
 494         &device_fb,
 495 #endif
 496 #ifdef CONFIG_LCDC_RK2928
 497         &device_lcdc,
 498 #endif
 499 #ifdef CONFIG_BACKLIGHT_RK29_BL
 500         &rk29_device_backlight,
 501 #endif
 502 #ifdef CONFIG_ION
 503         &device_ion,
 504 #endif
 505 #ifdef CONFIG_SND_SOC_RK2928
 506         &device_acodec,
 507 #endif
 508 };
 509 //i2c
 510 #ifdef CONFIG_I2C0_RK30
 511 #ifdef CONFIG_MFD_TPS65910
 512 #define TPS65910_HOST_IRQ        RK2928_PIN1_PB2
 513 #include "board-rk2928-a720-tps65910.c"
 514 #endif
 515 #ifdef CONFIG_REGULATOR_ACT8931
 516 #include "board-rk2928-sdk-act8931.c"
 517 #endif
 518
 519 static struct i2c_board_info __initdata i2c0_info[] = {
 520 #if defined (CONFIG_MFD_TPS65910)
 521         {
 522         .type           = "tps65910",
 523         .addr           = TPS65910_I2C_ID0,
 524         .flags          = 0,
 525         .irq            = TPS65910_HOST_IRQ,
 526         .platform_data = &tps65910_data,
 527         },
 528 #endif
 529 #if defined (CONFIG_REGULATOR_ACT8931)
 530         {
 531                 .type                   = "act8931",
 532                 .addr           = 0x5b,
 533                 .flags                  = 0,
 534                 .platform_data=&act8931_data,
 535         },
 536 #endif
 537
 538 };
 539 #endif
 540
 541 int __sramdata gpio0d4_iomux,gpio0d4_do,gpio0d4_dir;
 542
 543 #define gpio_readl(offset)      readl_relaxed(RK2928_GPIO0_BASE + offset)
 544 #define gpio_writel(v, offset)  do { writel_relaxed(v, RK2928_GPIO0_BASE + offset); dsb(); } while (0)
 545
 546 void __sramfunc rk30_pwm_logic_suspend_voltage(void)
 547 {
 548 #ifdef CONFIG_RK30_PWM_REGULATOR
 549
 550 //      int gpio0d7_iomux,gpio0d7_do,gpio0d7_dir,gpio0d7_en;
 551         sram_udelay(10000);
 552         gpio0d4_iomux = readl_relaxed(GRF_GPIO0D_IOMUX);
 553         gpio0d4_do = gpio_readl(GPIO_SWPORTA_DR);
 554         gpio0d4_dir = gpio_readl(GPIO_SWPORTA_DDR);
 555
 556         writel_relaxed((gpio0d4_iomux |(1<<24)) & (~(1<<8)), GRF_GPIO0D_IOMUX);
 557         gpio_writel(gpio0d4_dir |(1<<28), GPIO_SWPORTA_DDR);
 558         gpio_writel(gpio0d4_do |(1<<28), GPIO_SWPORTA_DR);
 559
 560 #endif
 561 }
 562 void __sramfunc rk30_pwm_logic_resume_voltage(void)
 563 {
 564 #ifdef CONFIG_RK30_PWM_REGULATOR
 565         writel_relaxed((1<<24)|gpio0d4_iomux, GRF_GPIO0D_IOMUX);
 566         gpio_writel(gpio0d4_dir, GPIO_SWPORTA_DDR);
 567         gpio_writel(gpio0d4_do, GPIO_SWPORTA_DR);
 568         sram_udelay(10000);
 569
 570 #endif
 571
 572 }
 573 extern void pwm_suspend_voltage(void);
 574 extern void pwm_resume_voltage(void);
 575 void  rk30_pwm_suspend_voltage_set(void)
 576 {
 577 #ifdef CONFIG_RK30_PWM_REGULATOR
 578         pwm_suspend_voltage();
 579 #endif
 580 }
 581 void  rk30_pwm_resume_voltage_set(void)
 582 {
 583 #ifdef CONFIG_RK30_PWM_REGULATOR
 584         pwm_resume_voltage();
 585 #endif
 586 }
 587
 588 #ifdef CONFIG_I2C1_RK30
 589 static struct i2c_board_info __initdata i2c1_info[] = {
 590 #if defined (CONFIG_GS_MMA7660)
 591                 {
 592                         .type           = "gs_mma7660",
 593                         .addr           = 0x4c,
 594                         .flags          = 0,
 595                         .irq            = MMA7660_INT_PIN,
 596                         .platform_data = &mma7660_info,
 597                 },
 598 #endif
 599
 600 };
 601 #endif
 602 #ifdef CONFIG_I2C2_RK30
 603 static struct i2c_board_info __initdata i2c2_info[] = {
 604 #if defined (CONFIG_TOUCHSCREEN_SITRONIX_A720)
 605 {
 606         .type           ="sitronix",
 607         .addr           = 0x38,
 608         .flags          = 0,
 609         .irq            = TOUCH_INT_PIN,
 610         .platform_data = &sitronix_info,
 611 },
 612 #endif
 613 };
 614 #endif
 615 #ifdef CONFIG_I2C3_RK30
 616 static struct i2c_board_info __initdata i2c3_info[] = {
 617 };
 618 #endif
 619 #ifdef CONFIG_I2C_GPIO_RK30
 620 #define I2C_SDA_PIN     INVALID_GPIO   //set sda_pin here
 621 #define I2C_SCL_PIN     INVALID_GPIO   //set scl_pin here
 622 static int rk30_i2c_io_init(void)
 623 {
 624         //set iomux (gpio) here
 625
 626         return 0;
 627 }
 628 struct i2c_gpio_platform_data default_i2c_gpio_data = {
 629        .sda_pin = I2C_SDA_PIN,
 630        .scl_pin = I2C_SCL_PIN,
 631        .udelay = 5, // clk = 500/udelay = 100Khz
 632        .timeout = 100,//msecs_to_jiffies(100),
 633        .bus_num    = 5,
 634        .io_init = rk30_i2c_io_init,
 635 };
 636 static struct i2c_board_info __initdata i2c_gpio_info[] = {
 637 };
 638 #endif
 639 static void __init rk30_i2c_register_board_info(void)
 640 {
 641 #ifdef CONFIG_I2C0_RK30
 642         i2c_register_board_info(0, i2c0_info, ARRAY_SIZE(i2c0_info));
 643 #endif
 644 #ifdef CONFIG_I2C1_RK30
 645         i2c_register_board_info(1, i2c1_info, ARRAY_SIZE(i2c1_info));
 646 #endif
 647 #ifdef CONFIG_I2C2_RK30
 648         i2c_register_board_info(2, i2c2_info, ARRAY_SIZE(i2c2_info));
 649 #endif
 650 #ifdef CONFIG_I2C3_RK30
 651         i2c_register_board_info(3, i2c3_info, ARRAY_SIZE(i2c3_info));
 652 #endif
 653 #ifdef CONFIG_I2C_GPIO_RK30
 654         i2c_register_board_info(4, i2c_gpio_info, ARRAY_SIZE(i2c_gpio_info));
 655 #endif
 656 }
 657 //end of i2c
 658
 659 #define POWER_ON_PIN RK2928_PIN1_PA2   //power_hold
 660 static void rk2928_pm_power_off(void)
 661 {
 662         printk(KERN_ERR "rk2928_pm_power_off start...\n");
 663
 664         #if defined(CONFIG_MFD_TPS65910)
 665                 tps65910_device_shutdown();//tps65910 shutdown
 666         #endif
 667         gpio_direction_output(POWER_ON_PIN, GPIO_LOW);
 668
 669 };
 670
 671 static void __init rk2928_board_init(void)
 672 {
 673         gpio_request(POWER_ON_PIN, "poweronpin");
 674         gpio_direction_output(POWER_ON_PIN, GPIO_HIGH);
 675         gpio_free(POWER_ON_PIN);
 676
 677         pm_power_off = rk2928_pm_power_off;
 678
 679         rk30_i2c_register_board_info();
 680         spi_register_board_info(board_spi_devices, ARRAY_SIZE(board_spi_devices));
 681         platform_add_devices(devices, ARRAY_SIZE(devices));
 682
 683 }
 684
 685 static void __init rk2928_reserve(void)
 686 {
 687 #ifdef CONFIG_ION
 688         rk30_ion_pdata.heaps[0].base = board_mem_reserve_add("ion", ION_RESERVE_SIZE);
 689 #endif
 690 #ifdef CONFIG_FB_ROCKCHIP
 691         resource_fb[0].start = board_mem_reserve_add("fb0", RK30_FB0_MEM_SIZE);
 692         resource_fb[0].end = resource_fb[0].start + RK30_FB0_MEM_SIZE - 1;
 693 #endif
 694 #ifdef CONFIG_VIDEO_RK29
 695         rk30_camera_request_reserve_mem();
 696 #endif
 697         board_mem_reserved();
 698 }
 699 /**
 700  * dvfs_cpu_logic_table: table for arm and logic dvfs
 701  * @frequency   : arm frequency
 702  * @cpu_volt    : arm voltage depend on frequency
 703  * @logic_volt  : logic voltage arm requests depend on frequency
 704  * comments     : min arm/logic voltage
 705  */
 706 static struct dvfs_arm_table dvfs_cpu_logic_table[] = {
 707         {.frequency = 216 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//0.975V/1.000V
 708         {.frequency = 312 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//0.975V/1.000V
 709         {.frequency = 408 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 710         {.frequency = 504 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 711         {.frequency = 600 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.025V/1.050V
 712         {.frequency = 696 * 1000,       .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 713         {.frequency = 816 * 1000,       .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 714         //{.frequency = 912 * 1000,     .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 715         //{.frequency = 1008 * 1000,    .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 716 #if 0
 717         {.frequency = 1104 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 718         {.frequency = 1200 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 719         {.frequency = 1104 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 720         {.frequency = 1248 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 721 #endif
 722         //{.frequency = 1000 * 1000,    .cpu_volt = 1225 * 1000,        .logic_volt = 1200 * 1000},//1.150V/1.100V
 723         {.frequency = CPUFREQ_TABLE_END},
 724 };
 725
 726 static struct cpufreq_frequency_table dvfs_gpu_table[] = {
 727         {.frequency = 266 * 1000,       .index = 1050 * 1000},
 728         {.frequency = 400 * 1000,       .index = 1275 * 1000},
 729         {.frequency = CPUFREQ_TABLE_END},
 730 };
 731
 732 static struct cpufreq_frequency_table dvfs_ddr_table[] = {
 733         {.frequency = 300 * 1000,       .index = 1050 * 1000},
 734         {.frequency = 400 * 1000,       .index = 1125 * 1000},
 735         {.frequency = CPUFREQ_TABLE_END},
 736 };
 737
 738 #define DVFS_CPU_TABLE_SIZE     (ARRAY_SIZE(dvfs_cpu_logic_table))
 739 static struct cpufreq_frequency_table cpu_dvfs_table[DVFS_CPU_TABLE_SIZE];
 740 static struct cpufreq_frequency_table dep_cpu2core_table[DVFS_CPU_TABLE_SIZE];
 741
 742 void __init board_clock_init(void)
 743 {
 744         rk2928_clock_data_init(periph_pll_default, codec_pll_default, RK30_CLOCKS_DEFAULT_FLAGS);
 745         dvfs_set_arm_logic_volt(dvfs_cpu_logic_table, cpu_dvfs_table, dep_cpu2core_table);
 746         dvfs_set_freq_volt_table(clk_get(NULL, "gpu"), dvfs_gpu_table);
 747         //dvfs_set_freq_volt_table(clk_get(NULL, "ddr"), dvfs_ddr_table);
 748         printk("%s end\n", __func__);
 749 }
 750
 751
 752 MACHINE_START(RK2928, "RK2928board")
 753         .boot_params    = PLAT_PHYS_OFFSET + 0x800,
 754         .fixup          = rk2928_fixup,
 755         .reserve        = &rk2928_reserve,
 756         .map_io         = rk2928_map_io,
 757         .init_irq       = rk2928_init_irq,
 758         .timer          = &rk2928_timer,
 759         .init_machine   = rk2928_board_init,
 760 MACHINE_END