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/act8931.h>
  49 #include <linux/regulator/rk29-pwm-regulator.h>
  50 #if defined(CONFIG_HDMI_RK30)
  51         #include "../../../drivers/video/rockchip/hdmi/rk_hdmi.h"
  52 #endif
  53
  54 #if defined(CONFIG_SPIM_RK29)
  55 #include "../../../drivers/spi/rk29_spim.h"
  56 #endif
  57
  58 #include "board-rk2928-a720-camera.c"
  59 #include "board-rk2928-a720-key.c"
  60
  61 int __sramdata g_pmic_type =  0;
  62 #define PMIC_TYPE_TPS65910      2
  63 #define PMIC_TYPE_ACT8931       3
  64
  65 #ifdef  CONFIG_THREE_FB_BUFFER
  66 #define RK30_FB0_MEM_SIZE 12*SZ_1M
  67 #else
  68 #define RK30_FB0_MEM_SIZE 8*SZ_1M
  69 #endif
  70
  71 static struct spi_board_info board_spi_devices[] = {
  72 };
  73
  74 /***********************************************************
  75 *       rk30  backlight
  76 ************************************************************/
  77 #ifdef CONFIG_BACKLIGHT_RK29_BL
  78 #define PWM_ID            0
  79 #define PWM_MUX_NAME      GPIO0D2_PWM_0_NAME
  80 #define PWM_MUX_MODE      GPIO0D_PWM_0
  81 #define PWM_MUX_MODE_GPIO GPIO0D_GPIO0D2
  82 #define PWM_GPIO          RK2928_PIN0_PD2
  83 #define PWM_EFFECT_VALUE  0
  84
  85 #define LCD_DISP_ON_PIN
  86
  87 #ifdef  LCD_DISP_ON_PIN
  88
  89 #define BL_EN_PIN         RK2928_PIN1_PB0
  90 #define BL_EN_VALUE       GPIO_HIGH
  91 #endif
  92 static int rk29_backlight_io_init(void)
  93 {
  94         int ret = 0;
  95         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE);
  96 #ifdef  LCD_DISP_ON_PIN
  97         // rk30_mux_api_set(BL_EN_MUX_NAME, BL_EN_MUX_MODE);
  98
  99         ret = gpio_request(BL_EN_PIN, NULL);
 100         if (ret != 0) {
 101                 gpio_free(BL_EN_PIN);
 102         }
 103
 104         gpio_direction_output(BL_EN_PIN, 0);
 105         gpio_set_value(BL_EN_PIN, BL_EN_VALUE);
 106 #endif
 107         return ret;
 108 }
 109
 110 static int rk29_backlight_io_deinit(void)
 111 {
 112         int ret = 0;
 113 #ifdef  LCD_DISP_ON_PIN
 114         gpio_set_value(BL_EN_PIN, !BL_EN_VALUE);
 115         gpio_free(BL_EN_PIN);
 116 #endif
 117         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE_GPIO);
 118         return ret;
 119 }
 120
 121 static int rk29_backlight_pwm_suspend(void)
 122 {
 123         int ret = 0;
 124         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE_GPIO);
 125         if (gpio_request(PWM_GPIO, NULL)) {
 126                 printk("func %s, line %d: request gpio fail\n", __FUNCTION__, __LINE__);
 127                 return -1;
 128         }
 129         #if defined(CONFIG_MFD_TPS65910)
 130         if(g_pmic_type == PMIC_TYPE_TPS65910)
 131         {
 132                 gpio_direction_output(PWM_GPIO, GPIO_LOW);
 133         }
 134         #endif
 135         #if defined(CONFIG_REGULATOR_ACT8931)
 136         if(g_pmic_type == PMIC_TYPE_ACT8931)
 137         {
 138                 gpio_direction_output(PWM_GPIO, GPIO_HIGH);
 139         }
 140         #endif
 141 #ifdef  LCD_DISP_ON_PIN
 142         gpio_direction_output(BL_EN_PIN, 0);
 143         gpio_set_value(BL_EN_PIN, !BL_EN_VALUE);
 144 #endif
 145
 146         return ret;
 147 }
 148
 149 static int rk29_backlight_pwm_resume(void)
 150 {
 151         gpio_free(PWM_GPIO);
 152         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE);
 153 #ifdef  LCD_DISP_ON_PIN
 154         msleep(30);
 155         gpio_direction_output(BL_EN_PIN, 1);
 156         gpio_set_value(BL_EN_PIN, BL_EN_VALUE);
 157 #endif
 158         return 0;
 159 }
 160
 161 static struct rk29_bl_info rk29_bl_info = {
 162         .pwm_id = PWM_ID,
 163         .min_brightness = 80,
 164         .bl_ref = PWM_EFFECT_VALUE,
 165         .io_init = rk29_backlight_io_init,
 166         .io_deinit = rk29_backlight_io_deinit,
 167         .pwm_suspend = rk29_backlight_pwm_suspend,
 168         .pwm_resume = rk29_backlight_pwm_resume,
 169 };
 170
 171 static struct platform_device rk29_device_backlight = {
 172         .name   = "rk29_backlight",
 173         .id     = -1,
 174         .dev    = {
 175                 .platform_data  = &rk29_bl_info,
 176         }
 177 };
 178
 179 #endif
 180
 181 #ifdef CONFIG_FB_ROCKCHIP
 182
 183 #define LCD_MUX_NAME  GPIO0C2_UART0_RTSN_NAME
 184 #define LCD_GPIO_MODE GPIO0C_GPIO0C2
 185
 186 #define LCD_EN        RK2928_PIN0_PC2
 187 #define LCD_EN_VALUE  GPIO_LOW
 188
 189 static int rk_fb_io_init(struct rk29_fb_setting_info *fb_setting)
 190 {
 191         int ret = 0;
 192
 193         rk30_mux_api_set(LCD_MUX_NAME, LCD_GPIO_MODE);
 194
 195         ret = gpio_request(LCD_EN, NULL);
 196         if (ret != 0)
 197         {
 198                 gpio_free(LCD_EN);
 199                 printk(KERN_ERR "request lcd en pin fail!\n");
 200                 return -1;
 201         }
 202         else
 203         {
 204                 gpio_direction_output(LCD_EN, LCD_EN_VALUE); //disable
 205         }
 206         return 0;
 207 }
 208 static int rk_fb_io_disable(void)
 209 {
 210
 211         #if 0//defined(CONFIG_REGULATOR_ACT8931)
 212         if(g_pmic_type == PMIC_TYPE_ACT8931)
 213         {
 214                 struct regulator *ldo;
 215                 ldo = regulator_get(NULL, "act_ldo4");   //vcc_lcd
 216                 regulator_disable(ldo);
 217                 regulator_put(ldo);
 218                 udelay(100);
 219         }
 220         #endif
 221         gpio_set_value(LCD_EN, !LCD_EN_VALUE);
 222         return 0;
 223 }
 224 static int rk_fb_io_enable(void)
 225 {
 226         #if 0//defined(CONFIG_REGULATOR_ACT8931)
 227         if(g_pmic_type == PMIC_TYPE_ACT8931)
 228         {
 229                 struct regulator *ldo;
 230                 ldo = regulator_get(NULL, "act_ldo4");   //vcc_lcd
 231                 regulator_enable(ldo);
 232                 regulator_put(ldo);
 233                 udelay(100);
 234                 msleep(300);    // wait for powering on LED circuit
 235         }
 236         #endif
 237
 238         gpio_set_value(LCD_EN, LCD_EN_VALUE);
 239         return 0;
 240 }
 241
 242 #if defined(CONFIG_LCDC_RK2928)
 243 struct rk29fb_info lcdc_screen_info = {
 244         .prop      = PRMRY,             //primary display device
 245         .io_init   = rk_fb_io_init,
 246         .io_disable = rk_fb_io_disable,
 247         .io_enable = rk_fb_io_enable,
 248         .set_screen_info = set_lcd_info,
 249 };
 250 #endif
 251
 252 static struct resource resource_fb[] = {
 253         [0] = {
 254                 .name  = "fb0 buf",
 255                 .start = 0,
 256                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 257                 .flags = IORESOURCE_MEM,
 258         },
 259         [1] = {
 260                 .name  = "ipp buf",  //for rotate
 261                 .start = 0,
 262                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 263                 .flags = IORESOURCE_MEM,
 264         },
 265         [2] = {
 266                 .name  = "fb2 buf",
 267                 .start = 0,
 268                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 269                 .flags = IORESOURCE_MEM,
 270         },
 271 };
 272
 273 static struct platform_device device_fb = {
 274         .name           = "rk-fb",
 275         .id             = -1,
 276         .num_resources  = ARRAY_SIZE(resource_fb),
 277         .resource       = resource_fb,
 278 };
 279 #endif
 280
 281 //LCDC
 282 #ifdef CONFIG_LCDC_RK2928
 283 static struct resource resource_lcdc[] = {
 284         [0] = {
 285                 .name  = "lcdc reg",
 286                 .start = RK2928_LCDC_PHYS,
 287                 .end   = RK2928_LCDC_PHYS + RK2928_LCDC_SIZE - 1,
 288                 .flags = IORESOURCE_MEM,
 289         },
 290
 291         [1] = {
 292                 .name  = "lcdc irq",
 293                 .start = IRQ_LCDC,
 294                 .end   = IRQ_LCDC,
 295                 .flags = IORESOURCE_IRQ,
 296         },
 297 };
 298
 299 static struct platform_device device_lcdc = {
 300         .name             = "rk2928-lcdc",
 301         .id               = 0,
 302         .num_resources    = ARRAY_SIZE(resource_lcdc),
 303         .resource         = resource_lcdc,
 304         .dev            = {
 305                 .platform_data = &lcdc_screen_info,
 306         },
 307 };
 308 #endif
 309
 310 #ifdef CONFIG_ION
 311 #define ION_RESERVE_SIZE        (80 * SZ_1M)
 312 static struct ion_platform_data rk30_ion_pdata = {
 313         .nr = 1,
 314         .heaps = {
 315                 {
 316                         .type = ION_HEAP_TYPE_CARVEOUT,
 317                         .id = ION_NOR_HEAP_ID,
 318                         .name = "norheap",
 319                         .size = ION_RESERVE_SIZE,
 320                 }
 321         },
 322 };
 323
 324 static struct platform_device device_ion = {
 325         .name = "ion-rockchip",
 326         .id = 0,
 327         .dev = {
 328                 .platform_data = &rk30_ion_pdata,
 329         },
 330 };
 331 #endif
 332
 333
 334 #if defined(CONFIG_TOUCHSCREEN_SITRONIX_A720)
 335
 336 #define TOUCH_RESET_PIN  RK2928_PIN1_PA3
 337 #define TOUCH_INT_PIN    RK2928_PIN1_PB3
 338 int ft5306_init_platform_hw(void)
 339 {
 340
 341         //printk("ft5306_init_platform_hw\n");
 342         if(gpio_request(TOUCH_RESET_PIN,NULL) != 0){
 343                 gpio_free(TOUCH_RESET_PIN);
 344                 printk("ft5306_init_platform_hw gpio_request error\n");
 345                 return -EIO;
 346         }
 347
 348         if(gpio_request(TOUCH_INT_PIN,NULL) != 0){
 349                 gpio_free(TOUCH_INT_PIN);
 350                 printk("ift5306_init_platform_hw gpio_request error\n");
 351                 return -EIO;
 352         }
 353         gpio_direction_output(TOUCH_RESET_PIN, GPIO_HIGH);
 354         mdelay(10);
 355         gpio_set_value(TOUCH_RESET_PIN,GPIO_LOW);
 356         mdelay(10);
 357         gpio_set_value(TOUCH_RESET_PIN,GPIO_HIGH);
 358         msleep(300);
 359         return 0;
 360
 361 }
 362
 363 struct ft5x0x_platform_data sitronix_info = {
 364         .model = 5007,
 365         .init_platform_hw= ft5306_init_platform_hw,
 366 };
 367
 368 #endif
 369
 370
 371 /*MMA7660 gsensor*/
 372 #if defined (CONFIG_GS_MMA7660)
 373 #define MMA7660_INT_PIN   RK2928_PIN1_PB1
 374
 375 static int mma7660_init_platform_hw(void)
 376 {
 377         rk30_mux_api_set(GPIO1B1_SPI_TXD_UART1_SOUT_NAME, GPIO1B_GPIO1B1);
 378
 379         return 0;
 380 }
 381
 382 static struct sensor_platform_data mma7660_info = {
 383         .type = SENSOR_TYPE_ACCEL,
 384         .irq_enable = 1,
 385         .poll_delay_ms = 30,
 386         .init_platform_hw = mma7660_init_platform_hw,
 387         .orientation = {-1, 0, 0, 0, 0, -1, 0, 1, 0},
 388 };
 389 #endif
 390
 391
 392 #if CONFIG_RK30_PWM_REGULATOR
 393 const static int pwm_voltage_map[] = {
 394         1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, 1400000
 395 };
 396
 397 static struct regulator_consumer_supply pwm_dcdc1_consumers[] = {
 398         {
 399                 .supply = "vdd_core",
 400         }
 401 };
 402
 403 struct regulator_init_data pwm_regulator_init_dcdc[1] =
 404 {
 405         {
 406                 .constraints = {
 407                         .name = "PWM_DCDC1",
 408                         .min_uV = 600000,
 409                         .max_uV = 1800000,      //0.6-1.8V
 410                         .apply_uV = true,
 411                         .valid_ops_mask = REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE,
 412                 },
 413                 .num_consumer_supplies = ARRAY_SIZE(pwm_dcdc1_consumers),
 414                 .consumer_supplies = pwm_dcdc1_consumers,
 415         },
 416 };
 417
 418 static struct pwm_platform_data pwm_regulator_info[1] = {
 419         {
 420                 .pwm_id = 2,
 421                 .pwm_gpio = RK2928_PIN0_PD4,
 422                 .pwm_iomux_name = GPIO0D4_PWM_2_NAME,
 423                 .pwm_iomux_pwm = GPIO0D_PWM_2,
 424                 .pwm_iomux_gpio = GPIO0D_GPIO0D4,
 425                 .pwm_voltage = 1200000,
 426                 .suspend_voltage = 1050000,
 427                 .min_uV = 1000000,
 428                 .max_uV = 1400000,
 429                 .coefficient = 455,     //45.5%
 430                 .pwm_voltage_map = pwm_voltage_map,
 431                 .init_data      = &pwm_regulator_init_dcdc[0],
 432         },
 433 };
 434
 435 struct platform_device pwm_regulator_device[1] = {
 436         {
 437                 .name = "pwm-voltage-regulator",
 438                 .id = 0,
 439                 .dev            = {
 440                         .platform_data = &pwm_regulator_info[0],
 441                 }
 442         },
 443 };
 444 #endif
 445
 446 /***********************************************************
 447 *       usb wifi
 448 ************************************************************/
 449 #if defined(CONFIG_RTL8192CU) || defined(CONFIG_RTL8188EU)
 450
 451 static void rkusb_wifi_power(int on) {
 452         struct regulator *ldo;
 453
 454 #if defined(CONFIG_MFD_TPS65910)
 455         if(g_pmic_type == PMIC_TYPE_TPS65910) {
 456                 ldo = regulator_get(NULL, "vmmc");  //vccio_wl
 457         }
 458 #endif
 459 #if defined(CONFIG_REGULATOR_ACT8931)
 460         if(g_pmic_type == PMIC_TYPE_ACT8931) {
 461                 ldo = regulator_get(NULL, "act_ldo4");  //vccio_wl
 462         }
 463 #endif
 464
 465         if(on) {
 466                 regulator_enable(ldo);
 467                 printk("%s: vccio_wl enable\n", __func__);
 468         } else {
 469                 printk("%s: vccio_wl disable\n", __func__);
 470                 regulator_disable(ldo);
 471         }
 472
 473         regulator_put(ldo);
 474         udelay(100);
 475 }
 476
 477 #endif
 478
 479 /**************************************************************************************************
 480  * SDMMC devices,  include the module of SD,MMC,and sdio.noted by xbw at 2012-03-05
 481 **************************************************************************************************/
 482 #ifdef CONFIG_SDMMC_RK29
 483 #include "board-rk2928-sdk-sdmmc.c"
 484
 485 #if defined(CONFIG_SDMMC0_RK29_WRITE_PROTECT)
 486 #define SDMMC0_WRITE_PROTECT_PIN        RK2928_PIN1_PA7 //According to your own project to set the value of write-protect-pin.
 487 #endif
 488
 489 #if defined(CONFIG_SDMMC1_RK29_WRITE_PROTECT)
 490 #define SDMMC1_WRITE_PROTECT_PIN        RK2928_PIN0_PD5 //According to your own project to set the value of write-protect-pin.
 491 #endif
 492
 493 #define RK29SDK_WIFI_SDIO_CARD_DETECT_N    RK2928_PIN0_PB2
 494
 495 #endif //endif ---#ifdef CONFIG_SDMMC_RK29
 496
 497 #ifdef CONFIG_SDMMC0_RK29
 498 static int rk29_sdmmc0_cfg_gpio(void)
 499 {
 500         rk29_sdmmc_set_iomux(0, 0xFFFF);
 501
 502         rk30_mux_api_set(GPIO1C1_MMC0_DETN_NAME, GPIO1C_MMC0_DETN);
 503
 504 #if defined(CONFIG_SDMMC0_RK29_WRITE_PROTECT)
 505         gpio_request(SDMMC0_WRITE_PROTECT_PIN, "sdmmc-wp");
 506         gpio_direction_input(SDMMC0_WRITE_PROTECT_PIN);
 507 #endif
 508
 509         return 0;
 510 }
 511
 512 #define CONFIG_SDMMC0_USE_DMA
 513 struct rk29_sdmmc_platform_data default_sdmmc0_data = {
 514         .host_ocr_avail =
 515             (MMC_VDD_25_26 | MMC_VDD_26_27 | MMC_VDD_27_28 | MMC_VDD_28_29 |
 516              MMC_VDD_29_30 | MMC_VDD_30_31 | MMC_VDD_31_32 | MMC_VDD_32_33 |
 517              MMC_VDD_33_34 | MMC_VDD_34_35 | MMC_VDD_35_36),
 518         .host_caps =
 519             (MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
 520         .io_init = rk29_sdmmc0_cfg_gpio,
 521
 522 #if !defined(CONFIG_SDMMC_RK29_OLD)
 523         .set_iomux = rk29_sdmmc_set_iomux,
 524 #endif
 525
 526         .dma_name = "sd_mmc",
 527 #ifdef CONFIG_SDMMC0_USE_DMA
 528         .use_dma = 1,
 529 #else
 530         .use_dma = 0,
 531 #endif
 532         .detect_irq = RK2928_PIN1_PC1,  // INVALID_GPIO
 533         .enable_sd_wakeup = 0,
 534
 535 #if defined(CONFIG_SDMMC0_RK29_WRITE_PROTECT)
 536         .write_prt = SDMMC0_WRITE_PROTECT_PIN,
 537 #else
 538         .write_prt = INVALID_GPIO,
 539 #endif
 540 };
 541 #endif // CONFIG_SDMMC0_RK29
 542
 543 #ifdef CONFIG_SND_SOC_RK2928
 544 static struct resource resources_acodec[] = {
 545         {
 546                 .start  = RK2928_ACODEC_PHYS,
 547                 .end    = RK2928_ACODEC_PHYS + RK2928_ACODEC_SIZE - 1,
 548                 .flags  = IORESOURCE_MEM,
 549         },
 550         {
 551                 .start  = RK2928_PIN1_PA0,
 552                 .end    = RK2928_PIN1_PA0,
 553                 .flags  = IORESOURCE_IO,
 554         },
 555 };
 556
 557 static struct platform_device device_acodec = {
 558         .name   = "rk2928-codec",
 559         .id             = -1,
 560         .num_resources  = ARRAY_SIZE(resources_acodec),
 561         .resource       = resources_acodec,
 562 };
 563 #endif
 564
 565 static struct platform_device *devices[] __initdata = {
 566 #ifdef CONFIG_FB_ROCKCHIP
 567         &device_fb,
 568 #endif
 569 #ifdef CONFIG_LCDC_RK2928
 570         &device_lcdc,
 571 #endif
 572 #ifdef CONFIG_BACKLIGHT_RK29_BL
 573         &rk29_device_backlight,
 574 #endif
 575 #ifdef CONFIG_ION
 576         &device_ion,
 577 #endif
 578 #ifdef CONFIG_SND_SOC_RK2928
 579         &device_acodec,
 580 #endif
 581 };
 582 //i2c
 583 #ifdef CONFIG_I2C0_RK30
 584 #ifdef CONFIG_MFD_TPS65910
 585 #define TPS65910_HOST_IRQ        RK2928_PIN1_PB2
 586 #include "board-rk2928-a720-tps65910.c"
 587 #endif
 588 #ifdef CONFIG_REGULATOR_ACT8931
 589 #include "board-rk2928-sdk-act8931.c"
 590 #endif
 591
 592 static struct i2c_board_info __initdata i2c0_info[] = {
 593 #if defined (CONFIG_MFD_TPS65910)
 594         {
 595         .type           = "tps65910",
 596         .addr           = TPS65910_I2C_ID0,
 597         .flags          = 0,
 598         .irq            = TPS65910_HOST_IRQ,
 599         .platform_data = &tps65910_data,
 600         },
 601 #endif
 602 #if defined (CONFIG_REGULATOR_ACT8931)
 603         {
 604                 .type                   = "act8931",
 605                 .addr           = 0x5b,
 606                 .flags                  = 0,
 607                 .platform_data=&act8931_data,
 608         },
 609 #endif
 610
 611 };
 612 #endif
 613
 614 int __sramdata gpio0d4_iomux,gpio0d4_do,gpio0d4_dir;
 615
 616 #define gpio_readl(offset)      readl_relaxed(RK2928_GPIO0_BASE + offset)
 617 #define gpio_writel(v, offset)  do { writel_relaxed(v, RK2928_GPIO0_BASE + offset); dsb(); } while (0)
 618
 619 void __sramfunc rk30_pwm_logic_suspend_voltage(void)
 620 {
 621 #ifdef CONFIG_RK30_PWM_REGULATOR
 622
 623 //      int gpio0d7_iomux,gpio0d7_do,gpio0d7_dir,gpio0d7_en;
 624         sram_udelay(10000);
 625         gpio0d4_iomux = readl_relaxed(GRF_GPIO0D_IOMUX);
 626         gpio0d4_do = gpio_readl(GPIO_SWPORTA_DR);
 627         gpio0d4_dir = gpio_readl(GPIO_SWPORTA_DDR);
 628
 629         writel_relaxed((gpio0d4_iomux |(1<<24)) & (~(1<<8)), GRF_GPIO0D_IOMUX);
 630         gpio_writel(gpio0d4_dir |(1<<28), GPIO_SWPORTA_DDR);
 631         gpio_writel(gpio0d4_do |(1<<28), GPIO_SWPORTA_DR);
 632
 633 #endif
 634 }
 635 void __sramfunc rk30_pwm_logic_resume_voltage(void)
 636 {
 637 #ifdef CONFIG_RK30_PWM_REGULATOR
 638         writel_relaxed((1<<24)|gpio0d4_iomux, GRF_GPIO0D_IOMUX);
 639         gpio_writel(gpio0d4_dir, GPIO_SWPORTA_DDR);
 640         gpio_writel(gpio0d4_do, GPIO_SWPORTA_DR);
 641         sram_udelay(10000);
 642
 643 #endif
 644
 645 }
 646 extern void pwm_suspend_voltage(void);
 647 extern void pwm_resume_voltage(void);
 648 void  rk30_pwm_suspend_voltage_set(void)
 649 {
 650 #ifdef CONFIG_RK30_PWM_REGULATOR
 651         pwm_suspend_voltage();
 652 #endif
 653 }
 654 void  rk30_pwm_resume_voltage_set(void)
 655 {
 656 #ifdef CONFIG_RK30_PWM_REGULATOR
 657         pwm_resume_voltage();
 658 #endif
 659 }
 660
 661 #ifdef CONFIG_I2C1_RK30
 662 static struct i2c_board_info __initdata i2c1_info[] = {
 663 #if defined (CONFIG_GS_MMA7660)
 664                 {
 665                         .type           = "gs_mma7660",
 666                         .addr           = 0x4c,
 667                         .flags          = 0,
 668                         .irq            = MMA7660_INT_PIN,
 669                         .platform_data = &mma7660_info,
 670                 },
 671 #endif
 672
 673 };
 674 #endif
 675 #ifdef CONFIG_I2C2_RK30
 676 static struct i2c_board_info __initdata i2c2_info[] = {
 677 #if defined (CONFIG_TOUCHSCREEN_SITRONIX_A720)
 678 {
 679         .type           ="sitronix",
 680         .addr           = 0x38,
 681         .flags          = 0,
 682         .irq            = TOUCH_INT_PIN,
 683         .platform_data = &sitronix_info,
 684 },
 685 #endif
 686 };
 687 #endif
 688 #ifdef CONFIG_I2C3_RK30
 689 static struct i2c_board_info __initdata i2c3_info[] = {
 690 };
 691 #endif
 692 #ifdef CONFIG_I2C_GPIO_RK30
 693 #define I2C_SDA_PIN     INVALID_GPIO   //set sda_pin here
 694 #define I2C_SCL_PIN     INVALID_GPIO   //set scl_pin here
 695 static int rk30_i2c_io_init(void)
 696 {
 697         //set iomux (gpio) here
 698
 699         return 0;
 700 }
 701 struct i2c_gpio_platform_data default_i2c_gpio_data = {
 702        .sda_pin = I2C_SDA_PIN,
 703        .scl_pin = I2C_SCL_PIN,
 704        .udelay = 5, // clk = 500/udelay = 100Khz
 705        .timeout = 100,//msecs_to_jiffies(100),
 706        .bus_num    = 5,
 707        .io_init = rk30_i2c_io_init,
 708 };
 709 static struct i2c_board_info __initdata i2c_gpio_info[] = {
 710 };
 711 #endif
 712 static void __init rk30_i2c_register_board_info(void)
 713 {
 714 #ifdef CONFIG_I2C0_RK30
 715         i2c_register_board_info(0, i2c0_info, ARRAY_SIZE(i2c0_info));
 716 #endif
 717 #ifdef CONFIG_I2C1_RK30
 718         i2c_register_board_info(1, i2c1_info, ARRAY_SIZE(i2c1_info));
 719 #endif
 720 #ifdef CONFIG_I2C2_RK30
 721         i2c_register_board_info(2, i2c2_info, ARRAY_SIZE(i2c2_info));
 722 #endif
 723 #ifdef CONFIG_I2C3_RK30
 724         i2c_register_board_info(3, i2c3_info, ARRAY_SIZE(i2c3_info));
 725 #endif
 726 #ifdef CONFIG_I2C_GPIO_RK30
 727         i2c_register_board_info(4, i2c_gpio_info, ARRAY_SIZE(i2c_gpio_info));
 728 #endif
 729 }
 730 //end of i2c
 731
 732 #define POWER_ON_PIN RK2928_PIN1_PA2   //power_hold
 733 static void rk2928_pm_power_off(void)
 734 {
 735         printk(KERN_ERR "rk2928_pm_power_off start...\n");
 736
 737         #if defined(CONFIG_MFD_TPS65910)
 738         if(g_pmic_type == PMIC_TYPE_TPS65910)
 739         {
 740                 tps65910_device_shutdown();//tps65910 shutdown
 741         }
 742         #endif
 743         gpio_direction_output(POWER_ON_PIN, GPIO_LOW);
 744
 745 };
 746
 747 static void __init rk2928_board_init(void)
 748 {
 749         gpio_request(POWER_ON_PIN, "poweronpin");
 750         gpio_direction_output(POWER_ON_PIN, GPIO_HIGH);
 751
 752         pm_power_off = rk2928_pm_power_off;
 753
 754         rk30_i2c_register_board_info();
 755         spi_register_board_info(board_spi_devices, ARRAY_SIZE(board_spi_devices));
 756         platform_add_devices(devices, ARRAY_SIZE(devices));
 757
 758 }
 759
 760 static void __init rk2928_reserve(void)
 761 {
 762 #ifdef CONFIG_ION
 763         rk30_ion_pdata.heaps[0].base = board_mem_reserve_add("ion", ION_RESERVE_SIZE);
 764 #endif
 765 #ifdef CONFIG_FB_ROCKCHIP
 766         resource_fb[0].start = board_mem_reserve_add("fb0", RK30_FB0_MEM_SIZE);
 767         resource_fb[0].end = resource_fb[0].start + RK30_FB0_MEM_SIZE - 1;
 768 #endif
 769 #ifdef CONFIG_VIDEO_RK29
 770         rk30_camera_request_reserve_mem();
 771 #endif
 772         board_mem_reserved();
 773 }
 774 /**
 775  * dvfs_cpu_logic_table: table for arm and logic dvfs
 776  * @frequency   : arm frequency
 777  * @cpu_volt    : arm voltage depend on frequency
 778  * @logic_volt  : logic voltage arm requests depend on frequency
 779  * comments     : min arm/logic voltage
 780  */
 781 static struct dvfs_arm_table dvfs_cpu_logic_table[] = {
 782         {.frequency = 216 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//0.975V/1.000V
 783         {.frequency = 312 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//0.975V/1.000V
 784         {.frequency = 408 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 785         {.frequency = 504 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 786         {.frequency = 600 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.025V/1.050V
 787         {.frequency = 696 * 1000,       .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 788         {.frequency = 816 * 1000,       .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 789         //{.frequency = 912 * 1000,     .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 790         //{.frequency = 1008 * 1000,    .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 791 #if 0
 792         {.frequency = 1104 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 793         {.frequency = 1200 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 794         {.frequency = 1104 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 795         {.frequency = 1248 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 796 #endif
 797         //{.frequency = 1000 * 1000,    .cpu_volt = 1225 * 1000,        .logic_volt = 1200 * 1000},//1.150V/1.100V
 798         {.frequency = CPUFREQ_TABLE_END},
 799 };
 800
 801 static struct cpufreq_frequency_table dvfs_gpu_table[] = {
 802         {.frequency = 266 * 1000,       .index = 1050 * 1000},
 803         {.frequency = 400 * 1000,       .index = 1275 * 1000},
 804         {.frequency = CPUFREQ_TABLE_END},
 805 };
 806
 807 static struct cpufreq_frequency_table dvfs_ddr_table[] = {
 808         {.frequency = 300 * 1000,       .index = 1050 * 1000},
 809         {.frequency = 400 * 1000,       .index = 1125 * 1000},
 810         {.frequency = CPUFREQ_TABLE_END},
 811 };
 812
 813 #define DVFS_CPU_TABLE_SIZE     (ARRAY_SIZE(dvfs_cpu_logic_table))
 814 static struct cpufreq_frequency_table cpu_dvfs_table[DVFS_CPU_TABLE_SIZE];
 815 static struct cpufreq_frequency_table dep_cpu2core_table[DVFS_CPU_TABLE_SIZE];
 816
 817 void __init board_clock_init(void)
 818 {
 819         rk2928_clock_data_init(periph_pll_default, codec_pll_default, RK30_CLOCKS_DEFAULT_FLAGS);
 820         dvfs_set_arm_logic_volt(dvfs_cpu_logic_table, cpu_dvfs_table, dep_cpu2core_table);
 821         dvfs_set_freq_volt_table(clk_get(NULL, "gpu"), dvfs_gpu_table);
 822         //dvfs_set_freq_volt_table(clk_get(NULL, "ddr"), dvfs_ddr_table);
 823         printk("%s end\n", __func__);
 824 }
 825
 826
 827 MACHINE_START(RK2928, "RK2928board")
 828         .boot_params    = PLAT_PHYS_OFFSET + 0x800,
 829         .fixup          = rk2928_fixup,
 830         .reserve        = &rk2928_reserve,
 831         .map_io         = rk2928_map_io,
 832         .init_irq       = rk2928_init_irq,
 833         .timer          = &rk2928_timer,
 834         .init_machine   = rk2928_board_init,
 835 MACHINE_END