board/samsung/trats2/trats2.c

   1 /*
   2  * Copyright (c) 2013 Samsung Electronics Co., Ltd. All rights reserved.
   3  * Sanghee Kim <sh0130.kim@samsung.com>
   4  * Piotr Wilczek <p.wilczek@samsung.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <lcd.h>
  11 #include <asm/arch/pinmux.h>
  12 #include <asm/arch/power.h>
  13 #include <asm/arch/mipi_dsim.h>
  14 #include <power/pmic.h>
  15 #include <power/max77686_pmic.h>
  16 #include <power/battery.h>
  17 #include <power/max77693_pmic.h>
  18 #include <power/max77693_muic.h>
  19 #include <power/max77693_fg.h>
  20 #include <libtizen.h>
  21 #include <errno.h>
  22 #include <usb.h>
  23 #include <usb/s3c_udc.h>
  24 #include <usb_mass_storage.h>
  25
  26 DECLARE_GLOBAL_DATA_PTR;
  27
  28 static struct exynos4x12_gpio_part1 *gpio1;
  29 static struct exynos4x12_gpio_part2 *gpio2;
  30
  31 static unsigned int board_rev = -1;
  32
  33 static inline u32 get_model_rev(void);
  34
  35 static void check_hw_revision(void)
  36 {
  37         int modelrev = 0;
  38         int i;
  39
  40         gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2();
  41
  42         /*
  43          * GPM1[1:0]: MODEL_REV[1:0]
  44          * Don't set as pull-none for these N/C pin.
  45          * TRM say that it may cause unexcepted state and leakage current.
  46          * and pull-none is only for output function.
  47          */
  48         for (i = 0; i < 2; i++)
  49                 s5p_gpio_cfg_pin(&gpio2->m1, i, GPIO_INPUT);
  50
  51         /* GPM1[5:2]: HW_REV[3:0] */
  52         for (i = 2; i < 6; i++) {
  53                 s5p_gpio_cfg_pin(&gpio2->m1, i, GPIO_INPUT);
  54                 s5p_gpio_set_pull(&gpio2->m1, i, GPIO_PULL_NONE);
  55         }
  56
  57         /* GPM1[1:0]: MODEL_REV[1:0] */
  58         for (i = 0; i < 2; i++)
  59                 modelrev |= (s5p_gpio_get_value(&gpio2->m1, i) << i);
  60
  61         /* board_rev[15:8] = model */
  62         board_rev = modelrev << 8;
  63 }
  64
  65 u32 get_board_rev(void)
  66 {
  67         return board_rev;
  68 }
  69
  70 static inline u32 get_model_rev(void)
  71 {
  72         return (board_rev >> 8) & 0xff;
  73 }
  74
  75 static void board_external_gpio_init(void)
  76 {
  77         gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2();
  78
  79         /*
  80          * some pins which in alive block are connected with external pull-up
  81          * but it's default setting is pull-down.
  82          * if that pin set as input then that floated
  83          */
  84
  85         s5p_gpio_set_pull(&gpio2->x0, 2, GPIO_PULL_NONE);       /* PS_ALS_INT */
  86         s5p_gpio_set_pull(&gpio2->x0, 4, GPIO_PULL_NONE);       /* TSP_nINT */
  87         s5p_gpio_set_pull(&gpio2->x0, 7, GPIO_PULL_NONE);       /* AP_PMIC_IRQ*/
  88         s5p_gpio_set_pull(&gpio2->x1, 5, GPIO_PULL_NONE);       /* IF_PMIC_IRQ*/
  89         s5p_gpio_set_pull(&gpio2->x2, 0, GPIO_PULL_NONE);       /* VOL_UP */
  90         s5p_gpio_set_pull(&gpio2->x2, 1, GPIO_PULL_NONE);       /* VOL_DOWN */
  91         s5p_gpio_set_pull(&gpio2->x2, 3, GPIO_PULL_NONE);       /* FUEL_ALERT */
  92         s5p_gpio_set_pull(&gpio2->x2, 4, GPIO_PULL_NONE);       /* ADC_INT */
  93         s5p_gpio_set_pull(&gpio2->x2, 7, GPIO_PULL_NONE);       /* nPOWER */
  94         s5p_gpio_set_pull(&gpio2->x3, 0, GPIO_PULL_NONE);       /* WPC_INT */
  95         s5p_gpio_set_pull(&gpio2->x3, 5, GPIO_PULL_NONE);       /* OK_KEY */
  96         s5p_gpio_set_pull(&gpio2->x3, 7, GPIO_PULL_NONE);       /* HDMI_HPD */
  97 }
  98
  99 #ifdef CONFIG_SYS_I2C_INIT_BOARD
 100 static void board_init_i2c(void)
 101 {
 102         int err;
 103
 104         gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
 105         gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2();
 106
 107         /* I2C_7 */
 108         err = exynos_pinmux_config(PERIPH_ID_I2C7, PINMUX_FLAG_NONE);
 109         if (err) {
 110                 debug("I2C%d not configured\n", (I2C_7));
 111                 return;
 112         }
 113
 114         /* I2C_8 */
 115         s5p_gpio_direction_output(&gpio1->f1, 4, 1);
 116         s5p_gpio_direction_output(&gpio1->f1, 5, 1);
 117
 118         /* I2C_9 */
 119         s5p_gpio_direction_output(&gpio2->m2, 1, 1);
 120         s5p_gpio_direction_output(&gpio2->m2, 0, 1);
 121 }
 122 #endif
 123
 124 #ifdef CONFIG_SYS_I2C_SOFT
 125 int get_soft_i2c_scl_pin(void)
 126 {
 127         if (I2C_ADAP_HWNR)
 128                 return exynos4x12_gpio_get(2, m2, 1); /* I2C9 */
 129         else
 130                 return exynos4x12_gpio_get(1, f1, 4); /* I2C8 */
 131 }
 132
 133 int get_soft_i2c_sda_pin(void)
 134 {
 135         if (I2C_ADAP_HWNR)
 136                 return exynos4x12_gpio_get(2, m2, 0); /* I2C9 */
 137         else
 138                 return exynos4x12_gpio_get(1, f1, 5); /* I2C8 */
 139 }
 140 #endif
 141
 142 int exynos_early_init_f(void)
 143 {
 144         board_external_gpio_init();
 145
 146         return 0;
 147 }
 148
 149 static int pmic_init_max77686(void);
 150
 151 int exynos_init(void)
 152 {
 153         check_hw_revision();
 154         printf("HW Revision:\t0x%04x\n", board_rev);
 155
 156         return 0;
 157 }
 158
 159 int exynos_power_init(void)
 160 {
 161         int chrg;
 162         struct power_battery *pb;
 163         struct pmic *p_chrg, *p_muic, *p_fg, *p_bat;
 164
 165 #ifdef CONFIG_SYS_I2C_INIT_BOARD
 166         board_init_i2c();
 167 #endif
 168         pmic_init(I2C_7);               /* I2C adapter 7 - bus name s3c24x0_7 */
 169         pmic_init_max77686();
 170         pmic_init_max77693(I2C_10);     /* I2C adapter 10 - bus name soft1 */
 171         power_muic_init(I2C_10);        /* I2C adapter 10 - bus name soft1 */
 172         power_fg_init(I2C_9);           /* I2C adapter 9 - bus name soft0 */
 173         power_bat_init(0);
 174
 175         p_chrg = pmic_get("MAX77693_PMIC");
 176         if (!p_chrg) {
 177                 puts("MAX77693_PMIC: Not found\n");
 178                 return -ENODEV;
 179         }
 180
 181         p_muic = pmic_get("MAX77693_MUIC");
 182         if (!p_muic) {
 183                 puts("MAX77693_MUIC: Not found\n");
 184                 return -ENODEV;
 185         }
 186
 187         p_fg = pmic_get("MAX77693_FG");
 188         if (!p_fg) {
 189                 puts("MAX17042_FG: Not found\n");
 190                 return -ENODEV;
 191         }
 192
 193         if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0)
 194                 puts("No battery detected\n");
 195
 196         p_bat = pmic_get("BAT_TRATS2");
 197         if (!p_bat) {
 198                 puts("BAT_TRATS2: Not found\n");
 199                 return -ENODEV;
 200         }
 201
 202         p_fg->parent =  p_bat;
 203         p_chrg->parent = p_bat;
 204         p_muic->parent = p_bat;
 205
 206         p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
 207
 208         pb = p_bat->pbat;
 209         chrg = p_muic->chrg->chrg_type(p_muic);
 210         debug("CHARGER TYPE: %d\n", chrg);
 211
 212         if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
 213                 puts("No battery detected\n");
 214                 return -1;
 215         }
 216
 217         p_fg->fg->fg_battery_check(p_fg, p_bat);
 218
 219         if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
 220                 puts("CHARGE Battery !\n");
 221
 222         return 0;
 223 }
 224
 225 #ifdef CONFIG_USB_GADGET
 226 static int s5pc210_phy_control(int on)
 227 {
 228         int ret = 0;
 229         unsigned int val;
 230         struct pmic *p, *p_pmic, *p_muic;
 231
 232         p_pmic = pmic_get("MAX77686_PMIC");
 233         if (!p_pmic)
 234                 return -ENODEV;
 235
 236         if (pmic_probe(p_pmic))
 237                 return -1;
 238
 239         p_muic = pmic_get("MAX77693_MUIC");
 240         if (!p_muic)
 241                 return -ENODEV;
 242
 243         if (pmic_probe(p_muic))
 244                 return -1;
 245
 246         if (on) {
 247                 ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON);
 248                 if (ret)
 249                         return -1;
 250
 251                 p = pmic_get("MAX77693_PMIC");
 252                 if (!p)
 253                         return -ENODEV;
 254
 255                 if (pmic_probe(p))
 256                         return -1;
 257
 258                 /* SAFEOUT */
 259                 ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val);
 260                 if (ret)
 261                         return -1;
 262
 263                 val |= MAX77693_ENSAFEOUT1;
 264                 ret = pmic_reg_write(p, MAX77693_SAFEOUT, val);
 265                 if (ret)
 266                         return -1;
 267
 268                 /* PATH: USB */
 269                 ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
 270                         MAX77693_MUIC_CTRL1_DN1DP2);
 271
 272         } else {
 273                 ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM);
 274                 if (ret)
 275                         return -1;
 276
 277                 /* PATH: UART */
 278                 ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
 279                         MAX77693_MUIC_CTRL1_UT1UR2);
 280         }
 281
 282         if (ret)
 283                 return -1;
 284
 285         return 0;
 286 }
 287
 288 struct s3c_plat_otg_data s5pc210_otg_data = {
 289         .phy_control    = s5pc210_phy_control,
 290         .regs_phy       = EXYNOS4X12_USBPHY_BASE,
 291         .regs_otg       = EXYNOS4X12_USBOTG_BASE,
 292         .usb_phy_ctrl   = EXYNOS4X12_USBPHY_CONTROL,
 293         .usb_flags      = PHY0_SLEEP,
 294 };
 295
 296 int board_usb_init(int index, enum usb_init_type init)
 297 {
 298         debug("USB_udc_probe\n");
 299         return s3c_udc_probe(&s5pc210_otg_data);
 300 }
 301
 302 #ifdef CONFIG_USB_CABLE_CHECK
 303 int usb_cable_connected(void)
 304 {
 305         struct pmic *muic = pmic_get("MAX77693_MUIC");
 306         if (!muic)
 307                 return 0;
 308
 309         return !!muic->chrg->chrg_type(muic);
 310 }
 311 #endif
 312 #endif
 313
 314 static int pmic_init_max77686(void)
 315 {
 316         struct pmic *p = pmic_get("MAX77686_PMIC");
 317
 318         if (pmic_probe(p))
 319                 return -1;
 320
 321         /* BUCK/LDO Output Voltage */
 322         max77686_set_ldo_voltage(p, 21, 2800000);       /* LDO21 VTF_2.8V */
 323         max77686_set_ldo_voltage(p, 23, 3300000);       /* LDO23 TSP_AVDD_3.3V*/
 324         max77686_set_ldo_voltage(p, 24, 1800000);       /* LDO24 TSP_VDD_1.8V */
 325
 326         /* BUCK/LDO Output Mode */
 327         max77686_set_buck_mode(p, 1, OPMODE_STANDBY);   /* BUCK1 VMIF_1.1V_AP */
 328         max77686_set_buck_mode(p, 2, OPMODE_ON);        /* BUCK2 VARM_1.0V_AP */
 329         max77686_set_buck_mode(p, 3, OPMODE_ON);        /* BUCK3 VINT_1.0V_AP */
 330         max77686_set_buck_mode(p, 4, OPMODE_ON);        /* BUCK4 VG3D_1.0V_AP */
 331         max77686_set_buck_mode(p, 5, OPMODE_ON);        /* BUCK5 VMEM_1.2V_AP */
 332         max77686_set_buck_mode(p, 6, OPMODE_ON);        /* BUCK6 VCC_SUB_1.35V*/
 333         max77686_set_buck_mode(p, 7, OPMODE_ON);        /* BUCK7 VCC_SUB_2.0V */
 334         max77686_set_buck_mode(p, 8, OPMODE_OFF);       /* VMEM_VDDF_2.85V */
 335         max77686_set_buck_mode(p, 9, OPMODE_OFF);       /* CAM_ISP_CORE_1.2V*/
 336
 337         max77686_set_ldo_mode(p, 1, OPMODE_LPM);        /* LDO1 VALIVE_1.0V_AP*/
 338         max77686_set_ldo_mode(p, 2, OPMODE_STANDBY);    /* LDO2 VM1M2_1.2V_AP */
 339         max77686_set_ldo_mode(p, 3, OPMODE_LPM);        /* LDO3 VCC_1.8V_AP */
 340         max77686_set_ldo_mode(p, 4, OPMODE_LPM);        /* LDO4 VCC_2.8V_AP */
 341         max77686_set_ldo_mode(p, 5, OPMODE_OFF);        /* LDO5_VCC_1.8V_IO */
 342         max77686_set_ldo_mode(p, 6, OPMODE_STANDBY);    /* LDO6 VMPLL_1.0V_AP */
 343         max77686_set_ldo_mode(p, 7, OPMODE_STANDBY);    /* LDO7 VPLL_1.0V_AP */
 344         max77686_set_ldo_mode(p, 8, OPMODE_LPM);        /* LDO8 VMIPI_1.0V_AP */
 345         max77686_set_ldo_mode(p, 9, OPMODE_OFF);        /* CAM_ISP_MIPI_1.2*/
 346         max77686_set_ldo_mode(p, 10, OPMODE_LPM);       /* LDO10 VMIPI_1.8V_AP*/
 347         max77686_set_ldo_mode(p, 11, OPMODE_STANDBY);   /* LDO11 VABB1_1.8V_AP*/
 348         max77686_set_ldo_mode(p, 12, OPMODE_LPM);       /* LDO12 VUOTG_3.0V_AP*/
 349         max77686_set_ldo_mode(p, 13, OPMODE_OFF);       /* LDO13 VC2C_1.8V_AP */
 350         max77686_set_ldo_mode(p, 14, OPMODE_STANDBY);   /* VABB02_1.8V_AP */
 351         max77686_set_ldo_mode(p, 15, OPMODE_STANDBY);   /* LDO15 VHSIC_1.0V_AP*/
 352         max77686_set_ldo_mode(p, 16, OPMODE_STANDBY);   /* LDO16 VHSIC_1.8V_AP*/
 353         max77686_set_ldo_mode(p, 17, OPMODE_OFF);       /* CAM_SENSOR_CORE_1.2*/
 354         max77686_set_ldo_mode(p, 18, OPMODE_OFF);       /* CAM_ISP_SEN_IO_1.8V*/
 355         max77686_set_ldo_mode(p, 19, OPMODE_OFF);       /* LDO19 VT_CAM_1.8V */
 356         max77686_set_ldo_mode(p, 20, OPMODE_ON);        /* LDO20 VDDQ_PRE_1.8V*/
 357         max77686_set_ldo_mode(p, 21, OPMODE_OFF);       /* LDO21 VTF_2.8V */
 358         max77686_set_ldo_mode(p, 22, OPMODE_OFF);       /* LDO22 VMEM_VDD_2.8V*/
 359         max77686_set_ldo_mode(p, 23, OPMODE_OFF);       /* LDO23 TSP_AVDD_3.3V*/
 360         max77686_set_ldo_mode(p, 24, OPMODE_OFF);       /* LDO24 TSP_VDD_1.8V */
 361         max77686_set_ldo_mode(p, 25, OPMODE_OFF);       /* LDO25 VCC_3.3V_LCD */
 362         max77686_set_ldo_mode(p, 26, OPMODE_OFF);       /*LDO26 VCC_3.0V_MOTOR*/
 363
 364         return 0;
 365 }
 366
 367 /*
 368  * LCD
 369  */
 370
 371 #ifdef CONFIG_LCD
 372 int mipi_power(void)
 373 {
 374         struct pmic *p = pmic_get("MAX77686_PMIC");
 375
 376         /* LDO8 VMIPI_1.0V_AP */
 377         max77686_set_ldo_mode(p, 8, OPMODE_ON);
 378         /* LDO10 VMIPI_1.8V_AP */
 379         max77686_set_ldo_mode(p, 10, OPMODE_ON);
 380
 381         return 0;
 382 }
 383
 384 void exynos_lcd_power_on(void)
 385 {
 386         struct pmic *p = pmic_get("MAX77686_PMIC");
 387
 388         gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
 389
 390         /* LCD_2.2V_EN: GPC0[1] */
 391         s5p_gpio_set_pull(&gpio1->c0, 1, GPIO_PULL_UP);
 392         s5p_gpio_direction_output(&gpio1->c0, 1, 1);
 393
 394         /* LDO25 VCC_3.1V_LCD */
 395         pmic_probe(p);
 396         max77686_set_ldo_voltage(p, 25, 3100000);
 397         max77686_set_ldo_mode(p, 25, OPMODE_LPM);
 398 }
 399
 400 void exynos_reset_lcd(void)
 401 {
 402         gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
 403
 404         /* reset lcd */
 405         s5p_gpio_direction_output(&gpio1->f2, 1, 0);
 406         udelay(10);
 407         s5p_gpio_set_value(&gpio1->f2, 1, 1);
 408 }
 409
 410 void exynos_lcd_misc_init(vidinfo_t *vid)
 411 {
 412 #ifdef CONFIG_TIZEN
 413         get_tizen_logo_info(vid);
 414 #endif
 415 #ifdef CONFIG_S6E8AX0
 416         s6e8ax0_init();
 417 #endif
 418 }
 419 #endif /* LCD */