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/gpio.h>
  12 #include <asm/arch/pinmux.h>
  13 #include <asm/arch/power.h>
  14 #include <asm/arch/mipi_dsim.h>
  15 #include <power/pmic.h>
  16 #include <power/max77686_pmic.h>
  17 #include <power/battery.h>
  18 #include <power/max77693_pmic.h>
  19 #include <power/max77693_muic.h>
  20 #include <power/max77693_fg.h>
  21 #include <libtizen.h>
  22 #include <errno.h>
  23 #include <usb.h>
  24 #include <usb/dwc2_udc.h>
  25 #include <usb_mass_storage.h>
  26
  27 DECLARE_GLOBAL_DATA_PTR;
  28
  29 static unsigned int board_rev = -1;
  30
  31 static inline u32 get_model_rev(void);
  32
  33 static void check_hw_revision(void)
  34 {
  35         int modelrev = 0;
  36         char str[12];
  37         int i;
  38
  39         /*
  40          * GPM1[1:0]: MODEL_REV[1:0]
  41          * Don't set as pull-none for these N/C pin.
  42          * TRM say that it may cause unexcepted state and leakage current.
  43          * and pull-none is only for output function.
  44          */
  45         for (i = 0; i < 2; i++) {
  46                 int pin = i + EXYNOS4X12_GPIO_M10;
  47
  48                 sprintf(str, "model_rev%d", i);
  49                 gpio_request(pin, str);
  50                 gpio_cfg_pin(pin, S5P_GPIO_INPUT);
  51         }
  52
  53         /* GPM1[5:2]: HW_REV[3:0] */
  54         for (i = 0; i < 4; i++) {
  55                 int pin = i + EXYNOS4X12_GPIO_M12;
  56
  57                 sprintf(str, "hw_rev%d", i);
  58                 gpio_request(pin, str);
  59                 gpio_cfg_pin(pin, S5P_GPIO_INPUT);
  60                 gpio_set_pull(pin, S5P_GPIO_PULL_NONE);
  61         }
  62
  63         /* GPM1[1:0]: MODEL_REV[1:0] */
  64         for (i = 0; i < 2; i++)
  65                 modelrev |= (gpio_get_value(EXYNOS4X12_GPIO_M10 + i) << i);
  66
  67         /* board_rev[15:8] = model */
  68         board_rev = modelrev << 8;
  69 }
  70
  71 u32 get_board_rev(void)
  72 {
  73         return board_rev;
  74 }
  75
  76 static inline u32 get_model_rev(void)
  77 {
  78         return (board_rev >> 8) & 0xff;
  79 }
  80
  81 static void board_external_gpio_init(void)
  82 {
  83         /*
  84          * some pins which in alive block are connected with external pull-up
  85          * but it's default setting is pull-down.
  86          * if that pin set as input then that floated
  87          */
  88
  89         gpio_set_pull(EXYNOS4X12_GPIO_X02, S5P_GPIO_PULL_NONE); /* PS_ALS_INT */
  90         gpio_set_pull(EXYNOS4X12_GPIO_X04, S5P_GPIO_PULL_NONE); /* TSP_nINT */
  91         gpio_set_pull(EXYNOS4X12_GPIO_X07, S5P_GPIO_PULL_NONE); /* AP_PMIC_IRQ*/
  92         gpio_set_pull(EXYNOS4X12_GPIO_X15, S5P_GPIO_PULL_NONE); /* IF_PMIC_IRQ*/
  93         gpio_set_pull(EXYNOS4X12_GPIO_X20, S5P_GPIO_PULL_NONE); /* VOL_UP */
  94         gpio_set_pull(EXYNOS4X12_GPIO_X21, S5P_GPIO_PULL_NONE); /* VOL_DOWN */
  95         gpio_set_pull(EXYNOS4X12_GPIO_X23, S5P_GPIO_PULL_NONE); /* FUEL_ALERT */
  96         gpio_set_pull(EXYNOS4X12_GPIO_X24, S5P_GPIO_PULL_NONE); /* ADC_INT */
  97         gpio_set_pull(EXYNOS4X12_GPIO_X27, S5P_GPIO_PULL_NONE); /* nPOWER */
  98         gpio_set_pull(EXYNOS4X12_GPIO_X30, S5P_GPIO_PULL_NONE); /* WPC_INT */
  99         gpio_set_pull(EXYNOS4X12_GPIO_X35, S5P_GPIO_PULL_NONE); /* OK_KEY */
 100         gpio_set_pull(EXYNOS4X12_GPIO_X37, S5P_GPIO_PULL_NONE); /* HDMI_HPD */
 101 }
 102
 103 #ifdef CONFIG_SYS_I2C_SOFT
 104 int get_soft_i2c_scl_pin(void)
 105 {
 106         if (I2C_ADAP_HWNR)
 107                 return EXYNOS4X12_GPIO_M21; /* I2C9 */
 108         else
 109                 return EXYNOS4X12_GPIO_F14; /* I2C8 */
 110 }
 111
 112 int get_soft_i2c_sda_pin(void)
 113 {
 114         if (I2C_ADAP_HWNR)
 115                 return EXYNOS4X12_GPIO_M20; /* I2C9 */
 116         else
 117                 return EXYNOS4X12_GPIO_F15; /* I2C8 */
 118 }
 119 #endif
 120
 121 int exynos_early_init_f(void)
 122 {
 123         board_external_gpio_init();
 124
 125         return 0;
 126 }
 127
 128 int exynos_init(void)
 129 {
 130         struct exynos4_power *pwr =
 131                 (struct exynos4_power *)samsung_get_base_power();
 132
 133         check_hw_revision();
 134         printf("HW Revision:\t0x%04x\n", board_rev);
 135
 136         /*
 137          * First bootloader on the TRATS2 platform uses
 138          * INFORM4 and INFORM5 registers for recovery
 139          *
 140          * To indicate correct boot chain - those two
 141          * registers must be cleared out
 142          */
 143         writel(0, &pwr->inform4);
 144         writel(0, &pwr->inform5);
 145
 146         return 0;
 147 }
 148
 149 int exynos_power_init(void)
 150 {
 151 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
 152         int chrg;
 153         struct power_battery *pb;
 154         struct pmic *p_chrg, *p_muic, *p_fg, *p_bat;
 155
 156         pmic_init(I2C_7);               /* I2C adapter 7 - bus name s3c24x0_7 */
 157         pmic_init_max77686();
 158         pmic_init_max77693(I2C_10);     /* I2C adapter 10 - bus name soft1 */
 159         power_muic_init(I2C_10);        /* I2C adapter 10 - bus name soft1 */
 160         power_fg_init(I2C_9);           /* I2C adapter 9 - bus name soft0 */
 161         power_bat_init(0);
 162
 163         p_chrg = pmic_get("MAX77693_PMIC");
 164         if (!p_chrg) {
 165                 puts("MAX77693_PMIC: Not found\n");
 166                 return -ENODEV;
 167         }
 168
 169         p_muic = pmic_get("MAX77693_MUIC");
 170         if (!p_muic) {
 171                 puts("MAX77693_MUIC: Not found\n");
 172                 return -ENODEV;
 173         }
 174
 175         p_fg = pmic_get("MAX77693_FG");
 176         if (!p_fg) {
 177                 puts("MAX17042_FG: Not found\n");
 178                 return -ENODEV;
 179         }
 180
 181         if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0)
 182                 puts("No battery detected\n");
 183
 184         p_bat = pmic_get("BAT_TRATS2");
 185         if (!p_bat) {
 186                 puts("BAT_TRATS2: Not found\n");
 187                 return -ENODEV;
 188         }
 189
 190         p_fg->parent =  p_bat;
 191         p_chrg->parent = p_bat;
 192         p_muic->parent = p_bat;
 193
 194         p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
 195
 196         pb = p_bat->pbat;
 197         chrg = p_muic->chrg->chrg_type(p_muic);
 198         debug("CHARGER TYPE: %d\n", chrg);
 199
 200         if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
 201                 puts("No battery detected\n");
 202                 return 0;
 203         }
 204
 205         p_fg->fg->fg_battery_check(p_fg, p_bat);
 206
 207         if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
 208                 puts("CHARGE Battery !\n");
 209 #endif
 210         return 0;
 211 }
 212
 213 #ifdef CONFIG_USB_GADGET
 214 static int s5pc210_phy_control(int on)
 215 {
 216 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
 217         int ret = 0;
 218         unsigned int val;
 219         struct pmic *p, *p_pmic, *p_muic;
 220
 221         p_pmic = pmic_get("MAX77686_PMIC");
 222         if (!p_pmic)
 223                 return -ENODEV;
 224
 225         if (pmic_probe(p_pmic))
 226                 return -1;
 227
 228         p_muic = pmic_get("MAX77693_MUIC");
 229         if (!p_muic)
 230                 return -ENODEV;
 231
 232         if (pmic_probe(p_muic))
 233                 return -1;
 234
 235         if (on) {
 236                 ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON);
 237                 if (ret)
 238                         return -1;
 239
 240                 p = pmic_get("MAX77693_PMIC");
 241                 if (!p)
 242                         return -ENODEV;
 243
 244                 if (pmic_probe(p))
 245                         return -1;
 246
 247                 /* SAFEOUT */
 248                 ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val);
 249                 if (ret)
 250                         return -1;
 251
 252                 val |= MAX77693_ENSAFEOUT1;
 253                 ret = pmic_reg_write(p, MAX77693_SAFEOUT, val);
 254                 if (ret)
 255                         return -1;
 256
 257                 /* PATH: USB */
 258                 ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
 259                         MAX77693_MUIC_CTRL1_DN1DP2);
 260
 261         } else {
 262                 ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM);
 263                 if (ret)
 264                         return -1;
 265
 266                 /* PATH: UART */
 267                 ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
 268                         MAX77693_MUIC_CTRL1_UT1UR2);
 269         }
 270
 271         if (ret)
 272                 return -1;
 273 #endif
 274         return 0;
 275 }
 276
 277 struct dwc2_plat_otg_data s5pc210_otg_data = {
 278         .phy_control    = s5pc210_phy_control,
 279         .regs_phy       = EXYNOS4X12_USBPHY_BASE,
 280         .regs_otg       = EXYNOS4X12_USBOTG_BASE,
 281         .usb_phy_ctrl   = EXYNOS4X12_USBPHY_CONTROL,
 282         .usb_flags      = PHY0_SLEEP,
 283 };
 284
 285 int board_usb_init(int index, enum usb_init_type init)
 286 {
 287         debug("USB_udc_probe\n");
 288         return dwc2_udc_probe(&s5pc210_otg_data);
 289 }
 290
 291 int g_dnl_board_usb_cable_connected(void)
 292 {
 293 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
 294         struct pmic *muic = pmic_get("MAX77693_MUIC");
 295         if (!muic)
 296                 return 0;
 297
 298         return !!muic->chrg->chrg_type(muic);
 299 #else
 300         return false;
 301 #endif
 302 }
 303 #endif
 304
 305 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
 306 static int pmic_init_max77686(void)
 307 {
 308         struct pmic *p = pmic_get("MAX77686_PMIC");
 309
 310         if (pmic_probe(p))
 311                 return -1;
 312
 313         /* BUCK/LDO Output Voltage */
 314         max77686_set_ldo_voltage(p, 21, 2800000);       /* LDO21 VTF_2.8V */
 315         max77686_set_ldo_voltage(p, 23, 3300000);       /* LDO23 TSP_AVDD_3.3V*/
 316         max77686_set_ldo_voltage(p, 24, 1800000);       /* LDO24 TSP_VDD_1.8V */
 317
 318         /* BUCK/LDO Output Mode */
 319         max77686_set_buck_mode(p, 1, OPMODE_STANDBY);   /* BUCK1 VMIF_1.1V_AP */
 320         max77686_set_buck_mode(p, 2, OPMODE_ON);        /* BUCK2 VARM_1.0V_AP */
 321         max77686_set_buck_mode(p, 3, OPMODE_ON);        /* BUCK3 VINT_1.0V_AP */
 322         max77686_set_buck_mode(p, 4, OPMODE_ON);        /* BUCK4 VG3D_1.0V_AP */
 323         max77686_set_buck_mode(p, 5, OPMODE_ON);        /* BUCK5 VMEM_1.2V_AP */
 324         max77686_set_buck_mode(p, 6, OPMODE_ON);        /* BUCK6 VCC_SUB_1.35V*/
 325         max77686_set_buck_mode(p, 7, OPMODE_ON);        /* BUCK7 VCC_SUB_2.0V */
 326         max77686_set_buck_mode(p, 8, OPMODE_OFF);       /* VMEM_VDDF_2.85V */
 327         max77686_set_buck_mode(p, 9, OPMODE_OFF);       /* CAM_ISP_CORE_1.2V*/
 328
 329         max77686_set_ldo_mode(p, 1, OPMODE_LPM);        /* LDO1 VALIVE_1.0V_AP*/
 330         max77686_set_ldo_mode(p, 2, OPMODE_STANDBY);    /* LDO2 VM1M2_1.2V_AP */
 331         max77686_set_ldo_mode(p, 3, OPMODE_LPM);        /* LDO3 VCC_1.8V_AP */
 332         max77686_set_ldo_mode(p, 4, OPMODE_LPM);        /* LDO4 VCC_2.8V_AP */
 333         max77686_set_ldo_mode(p, 5, OPMODE_OFF);        /* LDO5_VCC_1.8V_IO */
 334         max77686_set_ldo_mode(p, 6, OPMODE_STANDBY);    /* LDO6 VMPLL_1.0V_AP */
 335         max77686_set_ldo_mode(p, 7, OPMODE_STANDBY);    /* LDO7 VPLL_1.0V_AP */
 336         max77686_set_ldo_mode(p, 8, OPMODE_LPM);        /* LDO8 VMIPI_1.0V_AP */
 337         max77686_set_ldo_mode(p, 9, OPMODE_OFF);        /* CAM_ISP_MIPI_1.2*/
 338         max77686_set_ldo_mode(p, 10, OPMODE_LPM);       /* LDO10 VMIPI_1.8V_AP*/
 339         max77686_set_ldo_mode(p, 11, OPMODE_STANDBY);   /* LDO11 VABB1_1.8V_AP*/
 340         max77686_set_ldo_mode(p, 12, OPMODE_LPM);       /* LDO12 VUOTG_3.0V_AP*/
 341         max77686_set_ldo_mode(p, 13, OPMODE_OFF);       /* LDO13 VC2C_1.8V_AP */
 342         max77686_set_ldo_mode(p, 14, OPMODE_STANDBY);   /* VABB02_1.8V_AP */
 343         max77686_set_ldo_mode(p, 15, OPMODE_STANDBY);   /* LDO15 VHSIC_1.0V_AP*/
 344         max77686_set_ldo_mode(p, 16, OPMODE_STANDBY);   /* LDO16 VHSIC_1.8V_AP*/
 345         max77686_set_ldo_mode(p, 17, OPMODE_OFF);       /* CAM_SENSOR_CORE_1.2*/
 346         max77686_set_ldo_mode(p, 18, OPMODE_OFF);       /* CAM_ISP_SEN_IO_1.8V*/
 347         max77686_set_ldo_mode(p, 19, OPMODE_OFF);       /* LDO19 VT_CAM_1.8V */
 348         max77686_set_ldo_mode(p, 20, OPMODE_ON);        /* LDO20 VDDQ_PRE_1.8V*/
 349         max77686_set_ldo_mode(p, 21, OPMODE_OFF);       /* LDO21 VTF_2.8V */
 350         max77686_set_ldo_mode(p, 22, OPMODE_OFF);       /* LDO22 VMEM_VDD_2.8V*/
 351         max77686_set_ldo_mode(p, 23, OPMODE_OFF);       /* LDO23 TSP_AVDD_3.3V*/
 352         max77686_set_ldo_mode(p, 24, OPMODE_OFF);       /* LDO24 TSP_VDD_1.8V */
 353         max77686_set_ldo_mode(p, 25, OPMODE_OFF);       /* LDO25 VCC_3.3V_LCD */
 354         max77686_set_ldo_mode(p, 26, OPMODE_OFF);       /*LDO26 VCC_3.0V_MOTOR*/
 355
 356         return 0;
 357 }
 358 #endif
 359
 360 /*
 361  * LCD
 362  */
 363
 364 #ifdef CONFIG_LCD
 365 int mipi_power(void)
 366 {
 367 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
 368         struct pmic *p = pmic_get("MAX77686_PMIC");
 369
 370         /* LDO8 VMIPI_1.0V_AP */
 371         max77686_set_ldo_mode(p, 8, OPMODE_ON);
 372         /* LDO10 VMIPI_1.8V_AP */
 373         max77686_set_ldo_mode(p, 10, OPMODE_ON);
 374 #endif
 375
 376         return 0;
 377 }
 378
 379 void exynos_lcd_power_on(void)
 380 {
 381 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
 382         struct pmic *p = pmic_get("MAX77686_PMIC");
 383
 384         /* LCD_2.2V_EN: GPC0[1] */
 385         gpio_request(EXYNOS4X12_GPIO_C01, "lcd_2v2_en");
 386         gpio_set_pull(EXYNOS4X12_GPIO_C01, S5P_GPIO_PULL_UP);
 387         gpio_direction_output(EXYNOS4X12_GPIO_C01, 1);
 388
 389         /* LDO25 VCC_3.1V_LCD */
 390         pmic_probe(p);
 391         max77686_set_ldo_voltage(p, 25, 3100000);
 392         max77686_set_ldo_mode(p, 25, OPMODE_LPM);
 393 #endif
 394 }
 395
 396 void exynos_reset_lcd(void)
 397 {
 398         /* reset lcd */
 399         gpio_request(EXYNOS4X12_GPIO_F21, "lcd_reset");
 400         gpio_direction_output(EXYNOS4X12_GPIO_F21, 0);
 401         udelay(10);
 402         gpio_set_value(EXYNOS4X12_GPIO_F21, 1);
 403 }
 404
 405 void exynos_lcd_misc_init(vidinfo_t *vid)
 406 {
 407 #ifdef CONFIG_TIZEN
 408         get_tizen_logo_info(vid);
 409 #endif
 410 #ifdef CONFIG_S6E8AX0
 411         s6e8ax0_init();
 412 #endif
 413 }
 414 #endif /* LCD */