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         struct exynos4_power *pwr =
 154                 (struct exynos4_power *)samsung_get_base_power();
 155
 156         check_hw_revision();
 157         printf("HW Revision:\t0x%04x\n", board_rev);
 158
 159         /*
 160          * First bootloader on the TRATS2 platform uses
 161          * INFORM4 and INFORM5 registers for recovery
 162          *
 163          * To indicate correct boot chain - those two
 164          * registers must be cleared out
 165          */
 166         writel(0, &pwr->inform4);
 167         writel(0, &pwr->inform5);
 168
 169         return 0;
 170 }
 171
 172 int exynos_power_init(void)
 173 {
 174         int chrg;
 175         struct power_battery *pb;
 176         struct pmic *p_chrg, *p_muic, *p_fg, *p_bat;
 177
 178 #ifdef CONFIG_SYS_I2C_INIT_BOARD
 179         board_init_i2c();
 180 #endif
 181         pmic_init(I2C_7);               /* I2C adapter 7 - bus name s3c24x0_7 */
 182         pmic_init_max77686();
 183         pmic_init_max77693(I2C_10);     /* I2C adapter 10 - bus name soft1 */
 184         power_muic_init(I2C_10);        /* I2C adapter 10 - bus name soft1 */
 185         power_fg_init(I2C_9);           /* I2C adapter 9 - bus name soft0 */
 186         power_bat_init(0);
 187
 188         p_chrg = pmic_get("MAX77693_PMIC");
 189         if (!p_chrg) {
 190                 puts("MAX77693_PMIC: Not found\n");
 191                 return -ENODEV;
 192         }
 193
 194         p_muic = pmic_get("MAX77693_MUIC");
 195         if (!p_muic) {
 196                 puts("MAX77693_MUIC: Not found\n");
 197                 return -ENODEV;
 198         }
 199
 200         p_fg = pmic_get("MAX77693_FG");
 201         if (!p_fg) {
 202                 puts("MAX17042_FG: Not found\n");
 203                 return -ENODEV;
 204         }
 205
 206         if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0)
 207                 puts("No battery detected\n");
 208
 209         p_bat = pmic_get("BAT_TRATS2");
 210         if (!p_bat) {
 211                 puts("BAT_TRATS2: Not found\n");
 212                 return -ENODEV;
 213         }
 214
 215         p_fg->parent =  p_bat;
 216         p_chrg->parent = p_bat;
 217         p_muic->parent = p_bat;
 218
 219         p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
 220
 221         pb = p_bat->pbat;
 222         chrg = p_muic->chrg->chrg_type(p_muic);
 223         debug("CHARGER TYPE: %d\n", chrg);
 224
 225         if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
 226                 puts("No battery detected\n");
 227                 return -1;
 228         }
 229
 230         p_fg->fg->fg_battery_check(p_fg, p_bat);
 231
 232         if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
 233                 puts("CHARGE Battery !\n");
 234
 235         return 0;
 236 }
 237
 238 #ifdef CONFIG_USB_GADGET
 239 static int s5pc210_phy_control(int on)
 240 {
 241         int ret = 0;
 242         unsigned int val;
 243         struct pmic *p, *p_pmic, *p_muic;
 244
 245         p_pmic = pmic_get("MAX77686_PMIC");
 246         if (!p_pmic)
 247                 return -ENODEV;
 248
 249         if (pmic_probe(p_pmic))
 250                 return -1;
 251
 252         p_muic = pmic_get("MAX77693_MUIC");
 253         if (!p_muic)
 254                 return -ENODEV;
 255
 256         if (pmic_probe(p_muic))
 257                 return -1;
 258
 259         if (on) {
 260                 ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON);
 261                 if (ret)
 262                         return -1;
 263
 264                 p = pmic_get("MAX77693_PMIC");
 265                 if (!p)
 266                         return -ENODEV;
 267
 268                 if (pmic_probe(p))
 269                         return -1;
 270
 271                 /* SAFEOUT */
 272                 ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val);
 273                 if (ret)
 274                         return -1;
 275
 276                 val |= MAX77693_ENSAFEOUT1;
 277                 ret = pmic_reg_write(p, MAX77693_SAFEOUT, val);
 278                 if (ret)
 279                         return -1;
 280
 281                 /* PATH: USB */
 282                 ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
 283                         MAX77693_MUIC_CTRL1_DN1DP2);
 284
 285         } else {
 286                 ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM);
 287                 if (ret)
 288                         return -1;
 289
 290                 /* PATH: UART */
 291                 ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
 292                         MAX77693_MUIC_CTRL1_UT1UR2);
 293         }
 294
 295         if (ret)
 296                 return -1;
 297
 298         return 0;
 299 }
 300
 301 struct s3c_plat_otg_data s5pc210_otg_data = {
 302         .phy_control    = s5pc210_phy_control,
 303         .regs_phy       = EXYNOS4X12_USBPHY_BASE,
 304         .regs_otg       = EXYNOS4X12_USBOTG_BASE,
 305         .usb_phy_ctrl   = EXYNOS4X12_USBPHY_CONTROL,
 306         .usb_flags      = PHY0_SLEEP,
 307 };
 308
 309 int board_usb_init(int index, enum usb_init_type init)
 310 {
 311         debug("USB_udc_probe\n");
 312         return s3c_udc_probe(&s5pc210_otg_data);
 313 }
 314
 315 #ifdef CONFIG_USB_CABLE_CHECK
 316 int usb_cable_connected(void)
 317 {
 318         struct pmic *muic = pmic_get("MAX77693_MUIC");
 319         if (!muic)
 320                 return 0;
 321
 322         return !!muic->chrg->chrg_type(muic);
 323 }
 324 #endif
 325 #endif
 326
 327 static int pmic_init_max77686(void)
 328 {
 329         struct pmic *p = pmic_get("MAX77686_PMIC");
 330
 331         if (pmic_probe(p))
 332                 return -1;
 333
 334         /* BUCK/LDO Output Voltage */
 335         max77686_set_ldo_voltage(p, 21, 2800000);       /* LDO21 VTF_2.8V */
 336         max77686_set_ldo_voltage(p, 23, 3300000);       /* LDO23 TSP_AVDD_3.3V*/
 337         max77686_set_ldo_voltage(p, 24, 1800000);       /* LDO24 TSP_VDD_1.8V */
 338
 339         /* BUCK/LDO Output Mode */
 340         max77686_set_buck_mode(p, 1, OPMODE_STANDBY);   /* BUCK1 VMIF_1.1V_AP */
 341         max77686_set_buck_mode(p, 2, OPMODE_ON);        /* BUCK2 VARM_1.0V_AP */
 342         max77686_set_buck_mode(p, 3, OPMODE_ON);        /* BUCK3 VINT_1.0V_AP */
 343         max77686_set_buck_mode(p, 4, OPMODE_ON);        /* BUCK4 VG3D_1.0V_AP */
 344         max77686_set_buck_mode(p, 5, OPMODE_ON);        /* BUCK5 VMEM_1.2V_AP */
 345         max77686_set_buck_mode(p, 6, OPMODE_ON);        /* BUCK6 VCC_SUB_1.35V*/
 346         max77686_set_buck_mode(p, 7, OPMODE_ON);        /* BUCK7 VCC_SUB_2.0V */
 347         max77686_set_buck_mode(p, 8, OPMODE_OFF);       /* VMEM_VDDF_2.85V */
 348         max77686_set_buck_mode(p, 9, OPMODE_OFF);       /* CAM_ISP_CORE_1.2V*/
 349
 350         max77686_set_ldo_mode(p, 1, OPMODE_LPM);        /* LDO1 VALIVE_1.0V_AP*/
 351         max77686_set_ldo_mode(p, 2, OPMODE_STANDBY);    /* LDO2 VM1M2_1.2V_AP */
 352         max77686_set_ldo_mode(p, 3, OPMODE_LPM);        /* LDO3 VCC_1.8V_AP */
 353         max77686_set_ldo_mode(p, 4, OPMODE_LPM);        /* LDO4 VCC_2.8V_AP */
 354         max77686_set_ldo_mode(p, 5, OPMODE_OFF);        /* LDO5_VCC_1.8V_IO */
 355         max77686_set_ldo_mode(p, 6, OPMODE_STANDBY);    /* LDO6 VMPLL_1.0V_AP */
 356         max77686_set_ldo_mode(p, 7, OPMODE_STANDBY);    /* LDO7 VPLL_1.0V_AP */
 357         max77686_set_ldo_mode(p, 8, OPMODE_LPM);        /* LDO8 VMIPI_1.0V_AP */
 358         max77686_set_ldo_mode(p, 9, OPMODE_OFF);        /* CAM_ISP_MIPI_1.2*/
 359         max77686_set_ldo_mode(p, 10, OPMODE_LPM);       /* LDO10 VMIPI_1.8V_AP*/
 360         max77686_set_ldo_mode(p, 11, OPMODE_STANDBY);   /* LDO11 VABB1_1.8V_AP*/
 361         max77686_set_ldo_mode(p, 12, OPMODE_LPM);       /* LDO12 VUOTG_3.0V_AP*/
 362         max77686_set_ldo_mode(p, 13, OPMODE_OFF);       /* LDO13 VC2C_1.8V_AP */
 363         max77686_set_ldo_mode(p, 14, OPMODE_STANDBY);   /* VABB02_1.8V_AP */
 364         max77686_set_ldo_mode(p, 15, OPMODE_STANDBY);   /* LDO15 VHSIC_1.0V_AP*/
 365         max77686_set_ldo_mode(p, 16, OPMODE_STANDBY);   /* LDO16 VHSIC_1.8V_AP*/
 366         max77686_set_ldo_mode(p, 17, OPMODE_OFF);       /* CAM_SENSOR_CORE_1.2*/
 367         max77686_set_ldo_mode(p, 18, OPMODE_OFF);       /* CAM_ISP_SEN_IO_1.8V*/
 368         max77686_set_ldo_mode(p, 19, OPMODE_OFF);       /* LDO19 VT_CAM_1.8V */
 369         max77686_set_ldo_mode(p, 20, OPMODE_ON);        /* LDO20 VDDQ_PRE_1.8V*/
 370         max77686_set_ldo_mode(p, 21, OPMODE_OFF);       /* LDO21 VTF_2.8V */
 371         max77686_set_ldo_mode(p, 22, OPMODE_OFF);       /* LDO22 VMEM_VDD_2.8V*/
 372         max77686_set_ldo_mode(p, 23, OPMODE_OFF);       /* LDO23 TSP_AVDD_3.3V*/
 373         max77686_set_ldo_mode(p, 24, OPMODE_OFF);       /* LDO24 TSP_VDD_1.8V */
 374         max77686_set_ldo_mode(p, 25, OPMODE_OFF);       /* LDO25 VCC_3.3V_LCD */
 375         max77686_set_ldo_mode(p, 26, OPMODE_OFF);       /*LDO26 VCC_3.0V_MOTOR*/
 376
 377         return 0;
 378 }
 379
 380 /*
 381  * LCD
 382  */
 383
 384 #ifdef CONFIG_LCD
 385 int mipi_power(void)
 386 {
 387         struct pmic *p = pmic_get("MAX77686_PMIC");
 388
 389         /* LDO8 VMIPI_1.0V_AP */
 390         max77686_set_ldo_mode(p, 8, OPMODE_ON);
 391         /* LDO10 VMIPI_1.8V_AP */
 392         max77686_set_ldo_mode(p, 10, OPMODE_ON);
 393
 394         return 0;
 395 }
 396
 397 void exynos_lcd_power_on(void)
 398 {
 399         struct pmic *p = pmic_get("MAX77686_PMIC");
 400
 401         gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
 402
 403         /* LCD_2.2V_EN: GPC0[1] */
 404         s5p_gpio_set_pull(&gpio1->c0, 1, GPIO_PULL_UP);
 405         s5p_gpio_direction_output(&gpio1->c0, 1, 1);
 406
 407         /* LDO25 VCC_3.1V_LCD */
 408         pmic_probe(p);
 409         max77686_set_ldo_voltage(p, 25, 3100000);
 410         max77686_set_ldo_mode(p, 25, OPMODE_LPM);
 411 }
 412
 413 void exynos_reset_lcd(void)
 414 {
 415         gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
 416
 417         /* reset lcd */
 418         s5p_gpio_direction_output(&gpio1->f2, 1, 0);
 419         udelay(10);
 420         s5p_gpio_set_value(&gpio1->f2, 1, 1);
 421 }
 422
 423 void exynos_lcd_misc_init(vidinfo_t *vid)
 424 {
 425 #ifdef CONFIG_TIZEN
 426         get_tizen_logo_info(vid);
 427 #endif
 428 #ifdef CONFIG_S6E8AX0
 429         s6e8ax0_init();
 430 #endif
 431 }
 432 #endif /* LCD */