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-key.c"
  58
  59 #ifdef  CONFIG_THREE_FB_BUFFER
  60 #define RK30_FB0_MEM_SIZE 12*SZ_1M
  61 #else
  62 #define RK30_FB0_MEM_SIZE 8*SZ_1M
  63 #endif
  64
  65 static struct spi_board_info board_spi_devices[] = {
  66 };
  67
  68 /***********************************************************
  69 *       rk30  backlight
  70 ************************************************************/
  71 #ifdef CONFIG_BACKLIGHT_RK29_BL
  72 #define PWM_ID            0
  73 #define PWM_MUX_NAME      GPIO0D2_PWM_0_NAME
  74 #define PWM_MUX_MODE      GPIO0D_PWM_0
  75 #define PWM_MUX_MODE_GPIO GPIO0D_GPIO0D2
  76 #define PWM_GPIO          RK2928_PIN0_PD2
  77 #define PWM_EFFECT_VALUE  0
  78
  79 #define LCD_DISP_ON_PIN
  80
  81 #ifdef  LCD_DISP_ON_PIN
  82
  83 #define BL_EN_PIN         RK2928_PIN1_PB0
  84 #define BL_EN_VALUE       GPIO_HIGH
  85 #endif
  86 static int rk29_backlight_io_init(void)
  87 {
  88         int ret = 0;
  89         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE);
  90 #ifdef  LCD_DISP_ON_PIN
  91         // rk30_mux_api_set(BL_EN_MUX_NAME, BL_EN_MUX_MODE);
  92
  93         ret = gpio_request(BL_EN_PIN, NULL);
  94         if (ret != 0) {
  95                 gpio_free(BL_EN_PIN);
  96         }
  97
  98         gpio_direction_output(BL_EN_PIN, 0);
  99         gpio_set_value(BL_EN_PIN, BL_EN_VALUE);
 100 #endif
 101         return ret;
 102 }
 103
 104 static int rk29_backlight_io_deinit(void)
 105 {
 106         int ret = 0;
 107 #ifdef  LCD_DISP_ON_PIN
 108         gpio_free(BL_EN_PIN);
 109 #endif
 110         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE_GPIO);
 111         return ret;
 112 }
 113
 114 static int rk29_backlight_pwm_suspend(void)
 115 {
 116         int ret = 0;
 117         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE_GPIO);
 118         if (gpio_request(PWM_GPIO, NULL)) {
 119                 printk("func %s, line %d: request gpio fail\n", __FUNCTION__, __LINE__);
 120                 return -1;
 121         }
 122         gpio_direction_output(PWM_GPIO, GPIO_LOW);
 123 #ifdef  LCD_DISP_ON_PIN
 124         gpio_direction_output(BL_EN_PIN, 0);
 125         gpio_set_value(BL_EN_PIN, !BL_EN_VALUE);
 126 #endif
 127
 128         return ret;
 129 }
 130
 131 static int rk29_backlight_pwm_resume(void)
 132 {
 133         gpio_free(PWM_GPIO);
 134         rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE);
 135 #ifdef  LCD_DISP_ON_PIN
 136         msleep(30);
 137         gpio_direction_output(BL_EN_PIN, 1);
 138         gpio_set_value(BL_EN_PIN, BL_EN_VALUE);
 139 #endif
 140         return 0;
 141 }
 142
 143 static struct rk29_bl_info rk29_bl_info = {
 144         .pwm_id = PWM_ID,
 145         .bl_ref = PWM_EFFECT_VALUE,
 146         .io_init = rk29_backlight_io_init,
 147         .io_deinit = rk29_backlight_io_deinit,
 148         .pwm_suspend = rk29_backlight_pwm_suspend,
 149         .pwm_resume = rk29_backlight_pwm_resume,
 150 };
 151
 152 static struct platform_device rk29_device_backlight = {
 153         .name   = "rk29_backlight",
 154         .id     = -1,
 155         .dev    = {
 156                 .platform_data  = &rk29_bl_info,
 157         }
 158 };
 159
 160 #endif
 161
 162 #ifdef CONFIG_FB_ROCKCHIP
 163
 164 #define LCD_MUX_NAME  GPIO0C2_UART0_RTSN_NAME
 165 #define LCD_GPIO_MODE GPIO0C_GPIO0C2
 166
 167 #define LCD_EN        RK2928_PIN0_PC2
 168 #define LCD_EN_VALUE  GPIO_LOW
 169
 170 static int rk_fb_io_init(struct rk29_fb_setting_info *fb_setting)
 171 {
 172         int ret = 0;
 173
 174         rk30_mux_api_set(LCD_MUX_NAME, LCD_GPIO_MODE);
 175
 176         ret = gpio_request(LCD_EN, NULL);
 177         if (ret != 0)
 178         {
 179                 gpio_free(LCD_EN);
 180                 printk(KERN_ERR "request lcd en pin fail!\n");
 181                 return -1;
 182         }
 183         else
 184         {
 185                 gpio_direction_output(LCD_EN, LCD_EN_VALUE); //disable
 186         }
 187         return 0;
 188 }
 189 static int rk_fb_io_disable(void)
 190 {
 191         gpio_set_value(LCD_EN, !LCD_EN_VALUE);
 192         return 0;
 193 }
 194 static int rk_fb_io_enable(void)
 195 {
 196         gpio_set_value(LCD_EN, LCD_EN_VALUE);
 197         return 0;
 198 }
 199
 200 #if defined(CONFIG_LCDC_RK2928)
 201 struct rk29fb_info lcdc_screen_info = {
 202         .prop      = PRMRY,             //primary display device
 203         .io_init   = rk_fb_io_init,
 204         .io_disable = rk_fb_io_disable,
 205         .io_enable = rk_fb_io_enable,
 206         .set_screen_info = set_lcd_info,
 207 };
 208 #endif
 209
 210 static struct resource resource_fb[] = {
 211         [0] = {
 212                 .name  = "fb0 buf",
 213                 .start = 0,
 214                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 215                 .flags = IORESOURCE_MEM,
 216         },
 217         [1] = {
 218                 .name  = "ipp buf",  //for rotate
 219                 .start = 0,
 220                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 221                 .flags = IORESOURCE_MEM,
 222         },
 223         [2] = {
 224                 .name  = "fb2 buf",
 225                 .start = 0,
 226                 .end   = 0,//RK30_FB0_MEM_SIZE - 1,
 227                 .flags = IORESOURCE_MEM,
 228         },
 229 };
 230
 231 static struct platform_device device_fb = {
 232         .name           = "rk-fb",
 233         .id             = -1,
 234         .num_resources  = ARRAY_SIZE(resource_fb),
 235         .resource       = resource_fb,
 236 };
 237 #endif
 238
 239 #ifdef CONFIG_ION
 240 #define ION_RESERVE_SIZE        (80 * SZ_1M)
 241 static struct ion_platform_data rk30_ion_pdata = {
 242         .nr = 1,
 243         .heaps = {
 244                 {
 245                         .type = ION_HEAP_TYPE_CARVEOUT,
 246                         .id = ION_NOR_HEAP_ID,
 247                         .name = "norheap",
 248                         .size = ION_RESERVE_SIZE,
 249                 }
 250         },
 251 };
 252
 253 static struct platform_device device_ion = {
 254         .name = "ion-rockchip",
 255         .id = 0,
 256         .dev = {
 257                 .platform_data = &rk30_ion_pdata,
 258         },
 259 };
 260 #endif
 261
 262 /*MMA7660 gsensor*/
 263 #if defined (CONFIG_GS_MMA7660)
 264 #define MMA7660_INT_PIN   RK2928_PIN1_PB1
 265
 266 static int mma7660_init_platform_hw(void)
 267 {
 268         rk30_mux_api_set(GPIO4C0_SMCDATA0_TRACEDATA0_NAME, GPIO4C_GPIO4C0);
 269
 270         return 0;
 271 }
 272
 273 static struct sensor_platform_data mma7660_info = {
 274         .type = SENSOR_TYPE_ACCEL,
 275         .irq_enable = 1,
 276         .poll_delay_ms = 30,
 277         .init_platform_hw = mma7660_init_platform_hw,
 278         .orientation = {-1, 0, 0, 0, 0, 1, 0, -1, 0},
 279 };
 280 #endif
 281
 282
 283 #if CONFIG_RK30_PWM_REGULATOR
 284 const static int pwm_voltage_map[] = {
 285         1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, 1400000
 286 };
 287
 288 static struct regulator_consumer_supply pwm_dcdc1_consumers[] = {
 289         {
 290                 .supply = "vdd_core",
 291         }
 292 };
 293
 294 struct regulator_init_data pwm_regulator_init_dcdc[1] =
 295 {
 296         {
 297                 .constraints = {
 298                         .name = "PWM_DCDC1",
 299                         .min_uV = 600000,
 300                         .max_uV = 1800000,      //0.6-1.8V
 301                         .apply_uV = true,
 302                         .valid_ops_mask = REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE,
 303                 },
 304                 .num_consumer_supplies = ARRAY_SIZE(pwm_dcdc1_consumers),
 305                 .consumer_supplies = pwm_dcdc1_consumers,
 306         },
 307 };
 308
 309 static struct pwm_platform_data pwm_regulator_info[1] = {
 310         {
 311                 .pwm_id = 2,
 312                 .pwm_gpio = RK2928_PIN0_PD4,
 313                 .pwm_iomux_name = GPIO0D4_PWM_2_NAME,
 314                 .pwm_iomux_pwm = GPIO0D_PWM_2,
 315                 .pwm_iomux_gpio = GPIO0D_GPIO0D4,
 316                 .pwm_voltage = 1200000,
 317                 .suspend_voltage = 1050000,
 318                 .min_uV = 1000000,
 319                 .max_uV = 1400000,
 320                 .coefficient = 455,     //45.5%
 321                 .pwm_voltage_map = pwm_voltage_map,
 322                 .init_data      = &pwm_regulator_init_dcdc[0],
 323         },
 324 };
 325
 326 struct platform_device pwm_regulator_device[1] = {
 327         {
 328                 .name = "pwm-voltage-regulator",
 329                 .id = 0,
 330                 .dev            = {
 331                         .platform_data = &pwm_regulator_info[0],
 332                 }
 333         },
 334 };
 335 #endif
 336
 337
 338 static struct platform_device *devices[] __initdata = {
 339 #ifdef CONFIG_BACKLIGHT_RK29_BL
 340         &rk29_device_backlight,
 341 #endif
 342 #ifdef CONFIG_FB_ROCKCHIP
 343         &device_fb,
 344 #endif
 345 #ifdef CONFIG_ION
 346         &device_ion,
 347 #endif
 348 };
 349 //i2c
 350 #ifdef CONFIG_I2C0_RK30
 351 #ifdef CONFIG_MFD_TPS65910
 352 #define TPS65910_HOST_IRQ        RK2928_PIN1_PB2
 353 #include "board-rk2928-a720-tps65910.c"
 354 #endif
 355 static struct i2c_board_info __initdata i2c0_info[] = {
 356 #if defined (CONFIG_MFD_TPS65910)
 357         {
 358         .type           = "tps65910",
 359         .addr           = TPS65910_I2C_ID0,
 360         .flags          = 0,
 361         .irq            = TPS65910_HOST_IRQ,
 362         .platform_data = &tps65910_data,
 363         },
 364 #endif
 365 };
 366 #endif
 367 #ifdef CONFIG_I2C1_RK30
 368 static struct i2c_board_info __initdata i2c1_info[] = {
 369 #if defined (CONFIG_GS_MMA7660)
 370                 {
 371                         .type           = "gs_mma7660",
 372                         .addr           = 0x4c,
 373                         .flags          = 0,
 374                         .irq            = MMA7660_INT_PIN,
 375                         .platform_data = &mma7660_info,
 376                 },
 377 #endif
 378
 379 };
 380 #endif
 381 #ifdef CONFIG_I2C2_RK30
 382 static struct i2c_board_info __initdata i2c2_info[] = {
 383 };
 384 #endif
 385 #ifdef CONFIG_I2C3_RK30
 386 static struct i2c_board_info __initdata i2c3_info[] = {
 387 };
 388 #endif
 389 #ifdef CONFIG_I2C_GPIO_RK30
 390 #define I2C_SDA_PIN     INVALID_GPIO   //set sda_pin here
 391 #define I2C_SCL_PIN     INVALID_GPIO   //set scl_pin here
 392 static int rk30_i2c_io_init(void)
 393 {
 394         //set iomux (gpio) here
 395
 396         return 0;
 397 }
 398 struct i2c_gpio_platform_data default_i2c_gpio_data = {
 399        .sda_pin = I2C_SDA_PIN,
 400        .scl_pin = I2C_SCL_PIN,
 401        .udelay = 5, // clk = 500/udelay = 100Khz
 402        .timeout = 100,//msecs_to_jiffies(100),
 403        .bus_num    = 5,
 404        .io_init = rk30_i2c_io_init,
 405 };
 406 static struct i2c_board_info __initdata i2c_gpio_info[] = {
 407 };
 408 #endif
 409 static void __init rk30_i2c_register_board_info(void)
 410 {
 411 #ifdef CONFIG_I2C0_RK30
 412         i2c_register_board_info(0, i2c0_info, ARRAY_SIZE(i2c0_info));
 413 #endif
 414 #ifdef CONFIG_I2C1_RK30
 415         i2c_register_board_info(1, i2c1_info, ARRAY_SIZE(i2c1_info));
 416 #endif
 417 #ifdef CONFIG_I2C2_RK30
 418         i2c_register_board_info(2, i2c2_info, ARRAY_SIZE(i2c2_info));
 419 #endif
 420 #ifdef CONFIG_I2C3_RK30
 421         i2c_register_board_info(3, i2c3_info, ARRAY_SIZE(i2c3_info));
 422 #endif
 423 #ifdef CONFIG_I2C_GPIO_RK30
 424         i2c_register_board_info(4, i2c_gpio_info, ARRAY_SIZE(i2c_gpio_info));
 425 #endif
 426 }
 427 //end of i2c
 428
 429 #define POWER_ON_PIN RK2928_PIN1_PA4   //power_hold
 430 static void rk2928_pm_power_off(void)
 431 {
 432         printk(KERN_ERR "rk2928_pm_power_off start...\n");
 433
 434         #if defined(CONFIG_MFD_TPS65910)
 435                 tps65910_device_shutdown();//tps65910 shutdown
 436         #endif
 437         gpio_direction_output(POWER_ON_PIN, GPIO_LOW);
 438
 439 };
 440
 441 static void __init rk2928_board_init(void)
 442 {
 443         gpio_request(POWER_ON_PIN, "poweronpin");
 444         gpio_direction_output(POWER_ON_PIN, GPIO_HIGH);
 445         gpio_free(POWER_ON_PIN);
 446
 447         pm_power_off = rk2928_pm_power_off;
 448
 449         rk30_i2c_register_board_info();
 450         spi_register_board_info(board_spi_devices, ARRAY_SIZE(board_spi_devices));
 451         platform_add_devices(devices, ARRAY_SIZE(devices));
 452
 453 }
 454
 455 static void __init rk2928_reserve(void)
 456 {
 457 #ifdef CONFIG_ION
 458         rk30_ion_pdata.heaps[0].base = board_mem_reserve_add("ion", ION_RESERVE_SIZE);
 459 #endif
 460 #ifdef CONFIG_FB_ROCKCHIP
 461         resource_fb[0].start = board_mem_reserve_add("fb0", RK30_FB0_MEM_SIZE);
 462         resource_fb[0].end = resource_fb[0].start + RK30_FB0_MEM_SIZE - 1;
 463 #endif
 464 #ifdef CONFIG_VIDEO_RK29
 465         rk30_camera_request_reserve_mem();
 466 #endif
 467         board_mem_reserved();
 468 }
 469 /**
 470  * dvfs_cpu_logic_table: table for arm and logic dvfs
 471  * @frequency   : arm frequency
 472  * @cpu_volt    : arm voltage depend on frequency
 473  * @logic_volt  : logic voltage arm requests depend on frequency
 474  * comments     : min arm/logic voltage
 475  */
 476 static struct dvfs_arm_table dvfs_cpu_logic_table[] = {
 477         {.frequency = 216 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//0.975V/1.000V
 478         {.frequency = 312 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//0.975V/1.000V
 479         {.frequency = 408 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 480         {.frequency = 504 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 481         {.frequency = 600 * 1000,       .cpu_volt = 1200 * 1000,        .logic_volt = 1200 * 1000},//1.025V/1.050V
 482         {.frequency = 696 * 1000,       .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.000V/1.025V
 483         {.frequency = 816 * 1000,       .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 484         {.frequency = 912 * 1000,       .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 485         {.frequency = 1008 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 486 #if 0
 487         {.frequency = 1104 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 488         {.frequency = 1200 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 489         {.frequency = 1104 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 490         {.frequency = 1248 * 1000,      .cpu_volt = 1400 * 1000,        .logic_volt = 1200 * 1000},//1.100V/1.050V
 491 #endif
 492         //{.frequency = 1000 * 1000,    .cpu_volt = 1225 * 1000,        .logic_volt = 1200 * 1000},//1.150V/1.100V
 493         {.frequency = CPUFREQ_TABLE_END},
 494 };
 495
 496 static struct cpufreq_frequency_table dvfs_gpu_table[] = {
 497         {.frequency = 266 * 1000,       .index = 1050 * 1000},
 498         {.frequency = 400 * 1000,       .index = 1275 * 1000},
 499         {.frequency = CPUFREQ_TABLE_END},
 500 };
 501
 502 static struct cpufreq_frequency_table dvfs_ddr_table[] = {
 503         {.frequency = 300 * 1000,       .index = 1050 * 1000},
 504         {.frequency = 400 * 1000,       .index = 1125 * 1000},
 505         {.frequency = CPUFREQ_TABLE_END},
 506 };
 507
 508 #define DVFS_CPU_TABLE_SIZE     (ARRAY_SIZE(dvfs_cpu_logic_table))
 509 static struct cpufreq_frequency_table cpu_dvfs_table[DVFS_CPU_TABLE_SIZE];
 510 static struct cpufreq_frequency_table dep_cpu2core_table[DVFS_CPU_TABLE_SIZE];
 511
 512 void __init board_clock_init(void)
 513 {
 514         rk2928_clock_data_init(periph_pll_default, codec_pll_default, RK30_CLOCKS_DEFAULT_FLAGS);
 515         dvfs_set_arm_logic_volt(dvfs_cpu_logic_table, cpu_dvfs_table, dep_cpu2core_table);
 516         dvfs_set_freq_volt_table(clk_get(NULL, "gpu"), dvfs_gpu_table);
 517         //dvfs_set_freq_volt_table(clk_get(NULL, "ddr"), dvfs_ddr_table);
 518         printk("%s end\n", __func__);
 519 }
 520
 521
 522 MACHINE_START(RK2928, "RK2928board")
 523         .boot_params    = PLAT_PHYS_OFFSET + 0x800,
 524         .fixup          = rk2928_fixup,
 525         .reserve        = &rk2928_reserve,
 526         .map_io         = rk2928_map_io,
 527         .init_irq       = rk2928_init_irq,
 528         .timer          = &rk2928_timer,
 529         .init_machine   = rk2928_board_init,
 530 MACHINE_END