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_free(BL_EN_PIN);
 110 #endif
 111         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE_GPIO);
 112         return ret;
 113 }
 114
 115 static int rk29_backlight_pwm_suspend(void)
 116 {
 117         int ret = 0;
 118         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE_GPIO);
 119         if (gpio_request(PWM_GPIO, NULL)) {
 120                 printk("func %s, line %d: request gpio fail\n", __FUNCTION__, __LINE__);
 121                 return -1;
 122         }
 123         gpio_direction_output(PWM_GPIO, GPIO_LOW);
 124 #ifdef  LCD_DISP_ON_PIN
 125         gpio_direction_output(BL_EN_PIN, 0);
 126         gpio_set_value(BL_EN_PIN, !BL_EN_VALUE);
 127 #endif
 128
 129         return ret;
 130 }
 131
 132 static int rk29_backlight_pwm_resume(void)
 133 {
 134         gpio_free(PWM_GPIO);
 135         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE);
 136 #ifdef  LCD_DISP_ON_PIN
 137         msleep(30);
 138         gpio_direction_output(BL_EN_PIN, 1);
 139         gpio_set_value(BL_EN_PIN, BL_EN_VALUE);
 140 #endif
 141         return 0;
 142 }
 143
 144 static struct rk29_bl_info rk29_bl_info = {
 145         .pwm_id = PWM_ID,
 146         .bl_ref = PWM_EFFECT_VALUE,
 147         .io_init = rk29_backlight_io_init,
 148         .io_deinit = rk29_backlight_io_deinit,
 149         .pwm_suspend = rk29_backlight_pwm_suspend,
 150         .pwm_resume = rk29_backlight_pwm_resume,
 151 };
 152
 153 static struct platform_device rk29_device_backlight = {
 154         .name   = "rk29_backlight",
 155         .id     = -1,
 156         .dev    = {
 157                 .platform_data  = &rk29_bl_info,
 158         }
 159 };
 160
 161 #endif
 162
 163 #ifdef CONFIG_FB_ROCKCHIP
 164
 165 #define LCD_MUX_NAME  GPIO0C2_UART0_RTSN_NAME
 166 #define LCD_GPIO_MODE GPIO0C_GPIO0C2
 167
 168 #define LCD_EN        RK2928_PIN0_PC2
 169 #define LCD_EN_VALUE  GPIO_LOW
 170
 171 static int rk_fb_io_init(struct rk29_fb_setting_info *fb_setting)
 172 {
 173         int ret = 0;
 174
 175         rk30_mux_api_set(LCD_MUX_NAME, LCD_GPIO_MODE);
 176
 177         ret = gpio_request(LCD_EN, NULL);
 178         if (ret != 0)
 179         {
 180                 gpio_free(LCD_EN);
 181                 printk(KERN_ERR "request lcd en pin fail!\n");
 182                 return -1;
 183         }
 184         else
 185         {
 186                 gpio_direction_output(LCD_EN, LCD_EN_VALUE); //disable
 187         }
 188         return 0;
 189 }
 190 static int rk_fb_io_disable(void)
 191 {
 192         gpio_set_value(LCD_EN, !LCD_EN_VALUE);
 193         return 0;
 194 }
 195 static int rk_fb_io_enable(void)
 196 {
 197         gpio_set_value(LCD_EN, LCD_EN_VALUE);
 198         return 0;
 199 }
 200
 201 #if defined(CONFIG_LCDC_RK2928)
 202 struct rk29fb_info lcdc_screen_info = {
 203         .prop      = PRMRY,             //primary display device
 204         .io_init   = rk_fb_io_init,
 205         .io_disable = rk_fb_io_disable,
 206         .io_enable = rk_fb_io_enable,
 207         .set_screen_info = set_lcd_info,
 208 };
 209 #endif
 210
 211 static struct resource resource_fb[] = {
 212         [0] = {
 213                 .name  = "fb0 buf",
 214                 .start = 0,
 215                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 216                 .flags = IORESOURCE_MEM,
 217         },
 218         [1] = {
 219                 .name  = "ipp buf",  //for rotate
 220                 .start = 0,
 221                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 222                 .flags = IORESOURCE_MEM,
 223         },
 224         [2] = {
 225                 .name  = "fb2 buf",
 226                 .start = 0,
 227                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 228                 .flags = IORESOURCE_MEM,
 229         },
 230 };
 231
 232 static struct platform_device device_fb = {
 233         .name           = "rk-fb",
 234         .id             = -1,
 235         .num_resources  = ARRAY_SIZE(resource_fb),
 236         .resource       = resource_fb,
 237 };
 238 #endif
 239
 240 #ifdef CONFIG_ION
 241 #define ION_RESERVE_SIZE        (80 * SZ_1M)
 242 static struct ion_platform_data rk30_ion_pdata = {
 243         .nr = 1,
 244         .heaps = {
 245                 {
 246                         .type = ION_HEAP_TYPE_CARVEOUT,
 247                         .id = ION_NOR_HEAP_ID,
 248                         .name = "norheap",
 249                         .size = ION_RESERVE_SIZE,
 250                 }
 251         },
 252 };
 253
 254 static struct platform_device device_ion = {
 255         .name = "ion-rockchip",
 256         .id = 0,
 257         .dev = {
 258                 .platform_data = &rk30_ion_pdata,
 259         },
 260 };
 261 #endif
 262
 263
 264 #if defined(CONFIG_TOUCHSCREEN_SITRONIX_A720)
 265
 266 #define TOUCH_RESET_PIN  RK2928_PIN1_PA3
 267 #define TOUCH_INT_PIN    RK2928_PIN1_PB3
 268 int ft5306_init_platform_hw(void)
 269 {
 270
 271         //printk("ft5306_init_platform_hw\n");
 272         if(gpio_request(TOUCH_RESET_PIN,NULL) != 0){
 273                 gpio_free(TOUCH_RESET_PIN);
 274                 printk("ft5306_init_platform_hw gpio_request error\n");
 275                 return -EIO;
 276         }
 277
 278         if(gpio_request(TOUCH_INT_PIN,NULL) != 0){
 279                 gpio_free(TOUCH_INT_PIN);
 280                 printk("ift5306_init_platform_hw gpio_request error\n");
 281                 return -EIO;
 282         }
 283         gpio_direction_output(TOUCH_RESET_PIN, GPIO_HIGH);
 284         mdelay(10);
 285         gpio_set_value(TOUCH_RESET_PIN,GPIO_LOW);
 286         mdelay(10);
 287         gpio_set_value(TOUCH_RESET_PIN,GPIO_HIGH);
 288         msleep(300);
 289         return 0;
 290
 291 }
 292
 293 struct ft5x0x_platform_data sitronix_info = {
 294         .model = 5007,
 295         .init_platform_hw= ft5306_init_platform_hw,
 296 };
 297
 298 #endif
 299
 300
 301 /*MMA7660 gsensor*/
 302 #if defined (CONFIG_GS_MMA7660)
 303 #define MMA7660_INT_PIN   RK2928_PIN1_PB1
 304
 305 static int mma7660_init_platform_hw(void)
 306 {
 307         rk30_mux_api_set(GPIO1B1_SPI_TXD_UART1_SOUT_NAME, GPIO1B_GPIO1B1);
 308
 309         return 0;
 310 }
 311
 312 static struct sensor_platform_data mma7660_info = {
 313         .type = SENSOR_TYPE_ACCEL,
 314         .irq_enable = 1,
 315         .poll_delay_ms = 30,
 316         .init_platform_hw = mma7660_init_platform_hw,
 317         .orientation = {-1, 0, 0, 0, 0, 1, 0, -1, 0},
 318 };
 319 #endif
 320
 321
 322 #if CONFIG_RK30_PWM_REGULATOR
 323 const static int pwm_voltage_map[] = {
 324         1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, 1400000
 325 };
 326
 327 static struct regulator_consumer_supply pwm_dcdc1_consumers[] = {
 328         {
 329                 .supply = "vdd_core",
 330         }
 331 };
 332
 333 struct regulator_init_data pwm_regulator_init_dcdc[1] =
 334 {
 335         {
 336                 .constraints = {
 337                         .name = "PWM_DCDC1",
 338                         .min_uV = 600000,
 339                         .max_uV = 1800000,      //0.6-1.8V
 340                         .apply_uV = true,
 341                         .valid_ops_mask = REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE,
 342                 },
 343                 .num_consumer_supplies = ARRAY_SIZE(pwm_dcdc1_consumers),
 344                 .consumer_supplies = pwm_dcdc1_consumers,
 345         },
 346 };
 347
 348 static struct pwm_platform_data pwm_regulator_info[1] = {
 349         {
 350                 .pwm_id = 2,
 351                 .pwm_gpio = RK2928_PIN0_PD4,
 352                 .pwm_iomux_name = GPIO0D4_PWM_2_NAME,
 353                 .pwm_iomux_pwm = GPIO0D_PWM_2,
 354                 .pwm_iomux_gpio = GPIO0D_GPIO0D4,
 355                 .pwm_voltage = 1200000,
 356                 .suspend_voltage = 1050000,
 357                 .min_uV = 1000000,
 358                 .max_uV = 1400000,
 359                 .coefficient = 455,     //45.5%
 360                 .pwm_voltage_map = pwm_voltage_map,
 361                 .init_data      = &pwm_regulator_init_dcdc[0],
 362         },
 363 };
 364
 365 struct platform_device pwm_regulator_device[1] = {
 366         {
 367                 .name = "pwm-voltage-regulator",
 368                 .id = 0,
 369                 .dev            = {
 370                         .platform_data = &pwm_regulator_info[0],
 371                 }
 372         },
 373 };
 374 #endif
 375 /**************************************************************************************************
 376  * SDMMC devices,  include the module of SD,MMC,and sdio.noted by xbw at 2012-03-05
 377 **************************************************************************************************/
 378 #ifdef CONFIG_SDMMC_RK29
 379 #include "board-rk2928-sdk-sdmmc.c"
 380
 381 #if defined(CONFIG_SDMMC0_RK29_WRITE_PROTECT)
 382 #define SDMMC0_WRITE_PROTECT_PIN        RK2928_PIN1_PA7 //According to your own project to set the value of write-protect-pin.
 383 #endif
 384
 385 #if defined(CONFIG_SDMMC1_RK29_WRITE_PROTECT)
 386 #define SDMMC1_WRITE_PROTECT_PIN        RK2928_PIN0_PD5 //According to your own project to set the value of write-protect-pin.
 387 #endif
 388
 389 #define RK29SDK_WIFI_SDIO_CARD_DETECT_N    RK2928_PIN0_PB2
 390
 391 #endif //endif ---#ifdef CONFIG_SDMMC_RK29
 392
 393 #ifdef CONFIG_SDMMC0_RK29
 394 static int rk29_sdmmc0_cfg_gpio(void)
 395 {
 396         rk29_sdmmc_set_iomux(0, 0xFFFF);
 397
 398         rk30_mux_api_set(GPIO1C1_MMC0_DETN_NAME, GPIO1C_MMC0_DETN);
 399
 400 #if defined(CONFIG_SDMMC0_RK29_WRITE_PROTECT)
 401         gpio_request(SDMMC0_WRITE_PROTECT_PIN, "sdmmc-wp");
 402         gpio_direction_input(SDMMC0_WRITE_PROTECT_PIN);
 403 #endif
 404
 405         return 0;
 406 }
 407
 408 #define CONFIG_SDMMC0_USE_DMA
 409 struct rk29_sdmmc_platform_data default_sdmmc0_data = {
 410         .host_ocr_avail =
 411             (MMC_VDD_25_26 | MMC_VDD_26_27 | MMC_VDD_27_28 | MMC_VDD_28_29 |
 412              MMC_VDD_29_30 | MMC_VDD_30_31 | MMC_VDD_31_32 | MMC_VDD_32_33 |
 413              MMC_VDD_33_34 | MMC_VDD_34_35 | MMC_VDD_35_36),
 414         .host_caps =
 415             (MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
 416         .io_init = rk29_sdmmc0_cfg_gpio,
 417
 418 #if !defined(CONFIG_SDMMC_RK29_OLD)
 419         .set_iomux = rk29_sdmmc_set_iomux,
 420 #endif
 421
 422         .dma_name = "sd_mmc",
 423 #ifdef CONFIG_SDMMC0_USE_DMA
 424         .use_dma = 1,
 425 #else
 426         .use_dma = 0,
 427 #endif
 428         .detect_irq = RK2928_PIN1_PC1,  // INVALID_GPIO
 429         .enable_sd_wakeup = 0,
 430
 431 #if defined(CONFIG_SDMMC0_RK29_WRITE_PROTECT)
 432         .write_prt = SDMMC0_WRITE_PROTECT_PIN,
 433 #else
 434         .write_prt = INVALID_GPIO,
 435 #endif
 436 };
 437 #endif // CONFIG_SDMMC0_RK29
 438
 439 #ifdef CONFIG_SND_SOC_RK2928
 440 static struct resource resources_acodec[] = {
 441         {
 442                 .start  = RK2928_ACODEC_PHYS,
 443                 .end    = RK2928_ACODEC_PHYS + RK2928_ACODEC_SIZE - 1,
 444                 .flags  = IORESOURCE_MEM,
 445         },
 446         {
 447                 .start  = RK2928_PIN1_PA0,
 448                 .end    = RK2928_PIN1_PA0,
 449                 .flags  = IORESOURCE_IO,
 450         },
 451 };
 452
 453 static struct platform_device device_acodec = {
 454         .name   = "rk2928-codec",
 455         .id             = -1,
 456         .num_resources  = ARRAY_SIZE(resources_acodec),
 457         .resource       = resources_acodec,
 458 };
 459 #endif
 460
 461 static struct platform_device *devices[] __initdata = {
 462 #ifdef CONFIG_BACKLIGHT_RK29_BL
 463         &rk29_device_backlight,
 464 #endif
 465 #ifdef CONFIG_FB_ROCKCHIP
 466         &device_fb,
 467 #endif
 468 #ifdef CONFIG_ION
 469         &device_ion,
 470 #endif
 471 #ifdef CONFIG_SND_SOC_RK2928
 472         &device_acodec,
 473 #endif
 474 };
 475 //i2c
 476 #ifdef CONFIG_I2C0_RK30
 477 #ifdef CONFIG_MFD_TPS65910
 478 #define TPS65910_HOST_IRQ        RK2928_PIN1_PB2
 479 #include "board-rk2928-a720-tps65910.c"
 480 #endif
 481 static struct i2c_board_info __initdata i2c0_info[] = {
 482 #if defined (CONFIG_MFD_TPS65910)
 483         {
 484         .type           = "tps65910",
 485         .addr           = TPS65910_I2C_ID0,
 486         .flags          = 0,
 487         .irq            = TPS65910_HOST_IRQ,
 488         .platform_data = &tps65910_data,
 489         },
 490 #endif
 491 };
 492 #endif
 493 #ifdef CONFIG_I2C1_RK30
 494 static struct i2c_board_info __initdata i2c1_info[] = {
 495 #if defined (CONFIG_GS_MMA7660)
 496                 {
 497                         .type           = "gs_mma7660",
 498                         .addr           = 0x4c,
 499                         .flags          = 0,
 500                         .irq            = MMA7660_INT_PIN,
 501                         .platform_data = &mma7660_info,
 502                 },
 503 #endif
 504
 505 };
 506 #endif
 507 #ifdef CONFIG_I2C2_RK30
 508 static struct i2c_board_info __initdata i2c2_info[] = {
 509 #if defined (CONFIG_TOUCHSCREEN_SITRONIX_A720)
 510 {
 511         .type           ="sitronix",
 512         .addr           = 0x38,
 513         .flags          = 0,
 514         .irq            = TOUCH_INT_PIN,
 515         .platform_data = &sitronix_info,
 516 },
 517 #endif
 518 };
 519 #endif
 520 #ifdef CONFIG_I2C3_RK30
 521 static struct i2c_board_info __initdata i2c3_info[] = {
 522 };
 523 #endif
 524 #ifdef CONFIG_I2C_GPIO_RK30
 525 #define I2C_SDA_PIN     INVALID_GPIO   //set sda_pin here
 526 #define I2C_SCL_PIN     INVALID_GPIO   //set scl_pin here
 527 static int rk30_i2c_io_init(void)
 528 {
 529         //set iomux (gpio) here
 530
 531         return 0;
 532 }
 533 struct i2c_gpio_platform_data default_i2c_gpio_data = {
 534        .sda_pin = I2C_SDA_PIN,
 535        .scl_pin = I2C_SCL_PIN,
 536        .udelay = 5, // clk = 500/udelay = 100Khz
 537        .timeout = 100,//msecs_to_jiffies(100),
 538        .bus_num    = 5,
 539        .io_init = rk30_i2c_io_init,
 540 };
 541 static struct i2c_board_info __initdata i2c_gpio_info[] = {
 542 };
 543 #endif
 544 static void __init rk30_i2c_register_board_info(void)
 545 {
 546 #ifdef CONFIG_I2C0_RK30
 547         i2c_register_board_info(0, i2c0_info, ARRAY_SIZE(i2c0_info));
 548 #endif
 549 #ifdef CONFIG_I2C1_RK30
 550         i2c_register_board_info(1, i2c1_info, ARRAY_SIZE(i2c1_info));
 551 #endif
 552 #ifdef CONFIG_I2C2_RK30
 553         i2c_register_board_info(2, i2c2_info, ARRAY_SIZE(i2c2_info));
 554 #endif
 555 #ifdef CONFIG_I2C3_RK30
 556         i2c_register_board_info(3, i2c3_info, ARRAY_SIZE(i2c3_info));
 557 #endif
 558 #ifdef CONFIG_I2C_GPIO_RK30
 559         i2c_register_board_info(4, i2c_gpio_info, ARRAY_SIZE(i2c_gpio_info));
 560 #endif
 561 }
 562 //end of i2c
 563
 564 #define POWER_ON_PIN RK2928_PIN1_PA2   //power_hold
 565 static void rk2928_pm_power_off(void)
 566 {
 567         printk(KERN_ERR "rk2928_pm_power_off start...\n");
 568
 569         #if defined(CONFIG_MFD_TPS65910)
 570                 tps65910_device_shutdown();//tps65910 shutdown
 571         #endif
 572         gpio_direction_output(POWER_ON_PIN, GPIO_LOW);
 573
 574 };
 575
 576 static void __init rk2928_board_init(void)
 577 {
 578         gpio_request(POWER_ON_PIN, "poweronpin");
 579         gpio_direction_output(POWER_ON_PIN, GPIO_HIGH);
 580         gpio_free(POWER_ON_PIN);
 581
 582         pm_power_off = rk2928_pm_power_off;
 583
 584         rk30_i2c_register_board_info();
 585         spi_register_board_info(board_spi_devices, ARRAY_SIZE(board_spi_devices));
 586         platform_add_devices(devices, ARRAY_SIZE(devices));
 587
 588 }
 589
 590 static void __init rk2928_reserve(void)
 591 {
 592 #ifdef CONFIG_ION
 593         rk30_ion_pdata.heaps[0].base = board_mem_reserve_add("ion", ION_RESERVE_SIZE);
 594 #endif
 595 #ifdef CONFIG_FB_ROCKCHIP
 596         resource_fb[0].start = board_mem_reserve_add("fb0", RK30_FB0_MEM_SIZE);
 597         resource_fb[0].end = resource_fb[0].start + RK30_FB0_MEM_SIZE - 1;
 598 #endif
 599 #ifdef CONFIG_VIDEO_RK29
 600         rk30_camera_request_reserve_mem();
 601 #endif
 602         board_mem_reserved();
 603 }
 604 /**
 605  * dvfs_cpu_logic_table: table for arm and logic dvfs
 606  * @frequency   : arm frequency
 607  * @cpu_volt    : arm voltage depend on frequency
 608  * @logic_volt  : logic voltage arm requests depend on frequency
 609  * comments     : min arm/logic voltage
 610  */
 611 static struct dvfs_arm_table dvfs_cpu_logic_table[] = {
 612         {.frequency = 216 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//0.975V/1.000V
 613         {.frequency = 312 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//0.975V/1.000V
 614         {.frequency = 408 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 615         {.frequency = 504 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 616         {.frequency = 600 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.025V/1.050V
 617         {.frequency = 696 * 1000,       .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 618         {.frequency = 816 * 1000,       .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 619         //{.frequency = 912 * 1000,     .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 620         //{.frequency = 1008 * 1000,    .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 621 #if 0
 622         {.frequency = 1104 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 623         {.frequency = 1200 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 624         {.frequency = 1104 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 625         {.frequency = 1248 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 626 #endif
 627         //{.frequency = 1000 * 1000,    .cpu_volt = 1225 * 1000,        .logic_volt = 1200 * 1000},//1.150V/1.100V
 628         {.frequency = CPUFREQ_TABLE_END},
 629 };
 630
 631 static struct cpufreq_frequency_table dvfs_gpu_table[] = {
 632         {.frequency = 266 * 1000,       .index = 1050 * 1000},
 633         {.frequency = 400 * 1000,       .index = 1275 * 1000},
 634         {.frequency = CPUFREQ_TABLE_END},
 635 };
 636
 637 static struct cpufreq_frequency_table dvfs_ddr_table[] = {
 638         {.frequency = 300 * 1000,       .index = 1050 * 1000},
 639         {.frequency = 400 * 1000,       .index = 1125 * 1000},
 640         {.frequency = CPUFREQ_TABLE_END},
 641 };
 642
 643 #define DVFS_CPU_TABLE_SIZE     (ARRAY_SIZE(dvfs_cpu_logic_table))
 644 static struct cpufreq_frequency_table cpu_dvfs_table[DVFS_CPU_TABLE_SIZE];
 645 static struct cpufreq_frequency_table dep_cpu2core_table[DVFS_CPU_TABLE_SIZE];
 646
 647 void __init board_clock_init(void)
 648 {
 649         rk2928_clock_data_init(periph_pll_default, codec_pll_default, RK30_CLOCKS_DEFAULT_FLAGS);
 650         dvfs_set_arm_logic_volt(dvfs_cpu_logic_table, cpu_dvfs_table, dep_cpu2core_table);
 651         dvfs_set_freq_volt_table(clk_get(NULL, "gpu"), dvfs_gpu_table);
 652         //dvfs_set_freq_volt_table(clk_get(NULL, "ddr"), dvfs_ddr_table);
 653         printk("%s end\n", __func__);
 654 }
 655
 656
 657 MACHINE_START(RK2928, "RK2928board")
 658         .boot_params    = PLAT_PHYS_OFFSET + 0x800,
 659         .fixup          = rk2928_fixup,
 660         .reserve        = &rk2928_reserve,
 661         .map_io         = rk2928_map_io,
 662         .init_irq       = rk2928_init_irq,
 663         .timer          = &rk2928_timer,
 664         .init_machine   = rk2928_board_init,
 665 MACHINE_END