LXR uboot/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
  27DECLARE_GLOBAL_DATA_PTR;
  28
  29static unsigned int board_rev = -1;
  30
  31static inline u32 get_model_rev(void);
  32
  33static 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
  71u32 get_board_rev(void)
  72{
  73        return board_rev;
  74}
  75
  76static inline u32 get_model_rev(void)
  77{
  78        return (board_rev >> 8) & 0xff;
  79}
  80
  81static 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_INIT_BOARD
 104static void board_init_i2c(void)
 105{
 106        int err;
 107
 108        /* I2C_7 */
 109        err = exynos_pinmux_config(PERIPH_ID_I2C7, PINMUX_FLAG_NONE);
 110        if (err) {
 111                debug("I2C%d not configured\n", (I2C_7));
 112                return;
 113        }
 114
 115        /* I2C_8 */
 116        gpio_request(EXYNOS4X12_GPIO_F14, "i2c8_clk");
 117        gpio_request(EXYNOS4X12_GPIO_F15, "i2c8_data");
 118        gpio_direction_output(EXYNOS4X12_GPIO_F14, 1);
 119        gpio_direction_output(EXYNOS4X12_GPIO_F15, 1);
 120
 121        /* I2C_9 */
 122        gpio_request(EXYNOS4X12_GPIO_M21, "i2c9_clk");
 123        gpio_request(EXYNOS4X12_GPIO_M20, "i2c9_data");
 124        gpio_direction_output(EXYNOS4X12_GPIO_M21, 1);
 125        gpio_direction_output(EXYNOS4X12_GPIO_M20, 1);
 126}
 127#endif
 128
 129#ifdef CONFIG_SYS_I2C_SOFT
 130int get_soft_i2c_scl_pin(void)
 131{
 132        if (I2C_ADAP_HWNR)
 133                return EXYNOS4X12_GPIO_M21; /* I2C9 */
 134        else
 135                return EXYNOS4X12_GPIO_F14; /* I2C8 */
 136}
 137
 138int get_soft_i2c_sda_pin(void)
 139{
 140        if (I2C_ADAP_HWNR)
 141                return EXYNOS4X12_GPIO_M20; /* I2C9 */
 142        else
 143                return EXYNOS4X12_GPIO_F15; /* I2C8 */
 144}
 145#endif
 146
 147int exynos_early_init_f(void)
 148{
 149        board_external_gpio_init();
 150
 151        return 0;
 152}
 153
 154static int pmic_init_max77686(void);
 155
 156int exynos_init(void)
 157{
 158        struct exynos4_power *pwr =
 159                (struct exynos4_power *)samsung_get_base_power();
 160
 161        check_hw_revision();
 162        printf("HW Revision:\t0x%04x\n", board_rev);
 163
 164        /*
 165         * First bootloader on the TRATS2 platform uses
 166         * INFORM4 and INFORM5 registers for recovery
 167         *
 168         * To indicate correct boot chain - those two
 169         * registers must be cleared out
 170         */
 171        writel(0, &pwr->inform4);
 172        writel(0, &pwr->inform5);
 173
 174        return 0;
 175}
 176
 177int exynos_power_init(void)
 178{
 179        int chrg;
 180        struct power_battery *pb;
 181        struct pmic *p_chrg, *p_muic, *p_fg, *p_bat;
 182
 183#ifdef CONFIG_SYS_I2C_INIT_BOARD
 184        board_init_i2c();
 185#endif
 186        pmic_init(I2C_7);               /* I2C adapter 7 - bus name s3c24x0_7 */
 187        pmic_init_max77686();
 188        pmic_init_max77693(I2C_10);     /* I2C adapter 10 - bus name soft1 */
 189        power_muic_init(I2C_10);        /* I2C adapter 10 - bus name soft1 */
 190        power_fg_init(I2C_9);           /* I2C adapter 9 - bus name soft0 */
 191        power_bat_init(0);
 192
 193        p_chrg = pmic_get("MAX77693_PMIC");
 194        if (!p_chrg) {
 195                puts("MAX77693_PMIC: Not found\n");
 196                return -ENODEV;
 197        }
 198
 199        p_muic = pmic_get("MAX77693_MUIC");
 200        if (!p_muic) {
 201                puts("MAX77693_MUIC: Not found\n");
 202                return -ENODEV;
 203        }
 204
 205        p_fg = pmic_get("MAX77693_FG");
 206        if (!p_fg) {
 207                puts("MAX17042_FG: Not found\n");
 208                return -ENODEV;
 209        }
 210
 211        if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0)
 212                puts("No battery detected\n");
 213
 214        p_bat = pmic_get("BAT_TRATS2");
 215        if (!p_bat) {
 216                puts("BAT_TRATS2: Not found\n");
 217                return -ENODEV;
 218        }
 219
 220        p_fg->parent =  p_bat;
 221        p_chrg->parent = p_bat;
 222        p_muic->parent = p_bat;
 223
 224        p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
 225
 226        pb = p_bat->pbat;
 227        chrg = p_muic->chrg->chrg_type(p_muic);
 228        debug("CHARGER TYPE: %d\n", chrg);
 229
 230        if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
 231                puts("No battery detected\n");
 232                return 0;
 233        }
 234
 235        p_fg->fg->fg_battery_check(p_fg, p_bat);
 236
 237        if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
 238                puts("CHARGE Battery !\n");
 239
 240        return 0;
 241}
 242
 243#ifdef CONFIG_USB_GADGET
 244static int s5pc210_phy_control(int on)
 245{
 246        int ret = 0;
 247        unsigned int val;
 248        struct pmic *p, *p_pmic, *p_muic;
 249
 250        p_pmic = pmic_get("MAX77686_PMIC");
 251        if (!p_pmic)
 252                return -ENODEV;
 253
 254        if (pmic_probe(p_pmic))
 255                return -1;
 256
 257        p_muic = pmic_get("MAX77693_MUIC");
 258        if (!p_muic)
 259                return -ENODEV;
 260
 261        if (pmic_probe(p_muic))
 262                return -1;
 263
 264        if (on) {
 265                ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON);
 266                if (ret)
 267                        return -1;
 268
 269                p = pmic_get("MAX77693_PMIC");
 270                if (!p)
 271                        return -ENODEV;
 272
 273                if (pmic_probe(p))
 274                        return -1;
 275
 276                /* SAFEOUT */
 277                ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val);
 278                if (ret)
 279                        return -1;
 280
 281                val |= MAX77693_ENSAFEOUT1;
 282                ret = pmic_reg_write(p, MAX77693_SAFEOUT, val);
 283                if (ret)
 284                        return -1;
 285
 286                /* PATH: USB */
 287                ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
 288                        MAX77693_MUIC_CTRL1_DN1DP2);
 289
 290        } else {
 291                ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM);
 292                if (ret)
 293                        return -1;
 294
 295                /* PATH: UART */
 296                ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
 297                        MAX77693_MUIC_CTRL1_UT1UR2);
 298        }
 299
 300        if (ret)
 301                return -1;
 302
 303        return 0;
 304}
 305
 306struct dwc2_plat_otg_data s5pc210_otg_data = {
 307        .phy_control    = s5pc210_phy_control,
 308        .regs_phy       = EXYNOS4X12_USBPHY_BASE,
 309        .regs_otg       = EXYNOS4X12_USBOTG_BASE,
 310        .usb_phy_ctrl   = EXYNOS4X12_USBPHY_CONTROL,
 311        .usb_flags      = PHY0_SLEEP,
 312};
 313
 314int board_usb_init(int index, enum usb_init_type init)
 315{
 316        debug("USB_udc_probe\n");
 317        return dwc2_udc_probe(&s5pc210_otg_data);
 318}
 319
 320int g_dnl_board_usb_cable_connected(void)
 321{
 322        struct pmic *muic = pmic_get("MAX77693_MUIC");
 323        if (!muic)
 324                return 0;
 325
 326        return !!muic->chrg->chrg_type(muic);
 327}
 328#endif
 329
 330static int pmic_init_max77686(void)
 331{
 332        struct pmic *p = pmic_get("MAX77686_PMIC");
 333
 334        if (pmic_probe(p))
 335                return -1;
 336
 337        /* BUCK/LDO Output Voltage */
 338        max77686_set_ldo_voltage(p, 21, 2800000);       /* LDO21 VTF_2.8V */
 339        max77686_set_ldo_voltage(p, 23, 3300000);       /* LDO23 TSP_AVDD_3.3V*/
 340        max77686_set_ldo_voltage(p, 24, 1800000);       /* LDO24 TSP_VDD_1.8V */
 341
 342        /* BUCK/LDO Output Mode */
 343        max77686_set_buck_mode(p, 1, OPMODE_STANDBY);   /* BUCK1 VMIF_1.1V_AP */
 344        max77686_set_buck_mode(p, 2, OPMODE_ON);        /* BUCK2 VARM_1.0V_AP */
 345        max77686_set_buck_mode(p, 3, OPMODE_ON);        /* BUCK3 VINT_1.0V_AP */
 346        max77686_set_buck_mode(p, 4, OPMODE_ON);        /* BUCK4 VG3D_1.0V_AP */
 347        max77686_set_buck_mode(p, 5, OPMODE_ON);        /* BUCK5 VMEM_1.2V_AP */
 348        max77686_set_buck_mode(p, 6, OPMODE_ON);        /* BUCK6 VCC_SUB_1.35V*/
 349        max77686_set_buck_mode(p, 7, OPMODE_ON);        /* BUCK7 VCC_SUB_2.0V */
 350        max77686_set_buck_mode(p, 8, OPMODE_OFF);       /* VMEM_VDDF_2.85V */
 351        max77686_set_buck_mode(p, 9, OPMODE_OFF);       /* CAM_ISP_CORE_1.2V*/
 352
 353        max77686_set_ldo_mode(p, 1, OPMODE_LPM);        /* LDO1 VALIVE_1.0V_AP*/
 354        max77686_set_ldo_mode(p, 2, OPMODE_STANDBY);    /* LDO2 VM1M2_1.2V_AP */
 355        max77686_set_ldo_mode(p, 3, OPMODE_LPM);        /* LDO3 VCC_1.8V_AP */
 356        max77686_set_ldo_mode(p, 4, OPMODE_LPM);        /* LDO4 VCC_2.8V_AP */
 357        max77686_set_ldo_mode(p, 5, OPMODE_OFF);        /* LDO5_VCC_1.8V_IO */
 358        max77686_set_ldo_mode(p, 6, OPMODE_STANDBY);    /* LDO6 VMPLL_1.0V_AP */
 359        max77686_set_ldo_mode(p, 7, OPMODE_STANDBY);    /* LDO7 VPLL_1.0V_AP */
 360        max77686_set_ldo_mode(p, 8, OPMODE_LPM);        /* LDO8 VMIPI_1.0V_AP */
 361        max77686_set_ldo_mode(p, 9, OPMODE_OFF);        /* CAM_ISP_MIPI_1.2*/
 362        max77686_set_ldo_mode(p, 10, OPMODE_LPM);       /* LDO10 VMIPI_1.8V_AP*/
 363        max77686_set_ldo_mode(p, 11, OPMODE_STANDBY);   /* LDO11 VABB1_1.8V_AP*/
 364        max77686_set_ldo_mode(p, 12, OPMODE_LPM);       /* LDO12 VUOTG_3.0V_AP*/
 365        max77686_set_ldo_mode(p, 13, OPMODE_OFF);       /* LDO13 VC2C_1.8V_AP */
 366        max77686_set_ldo_mode(p, 14, OPMODE_STANDBY);   /* VABB02_1.8V_AP */
 367        max77686_set_ldo_mode(p, 15, OPMODE_STANDBY);   /* LDO15 VHSIC_1.0V_AP*/
 368        max77686_set_ldo_mode(p, 16, OPMODE_STANDBY);   /* LDO16 VHSIC_1.8V_AP*/
 369        max77686_set_ldo_mode(p, 17, OPMODE_OFF);       /* CAM_SENSOR_CORE_1.2*/
 370        max77686_set_ldo_mode(p, 18, OPMODE_OFF);       /* CAM_ISP_SEN_IO_1.8V*/
 371        max77686_set_ldo_mode(p, 19, OPMODE_OFF);       /* LDO19 VT_CAM_1.8V */
 372        max77686_set_ldo_mode(p, 20, OPMODE_ON);        /* LDO20 VDDQ_PRE_1.8V*/
 373        max77686_set_ldo_mode(p, 21, OPMODE_OFF);       /* LDO21 VTF_2.8V */
 374        max77686_set_ldo_mode(p, 22, OPMODE_OFF);       /* LDO22 VMEM_VDD_2.8V*/
 375        max77686_set_ldo_mode(p, 23, OPMODE_OFF);       /* LDO23 TSP_AVDD_3.3V*/
 376        max77686_set_ldo_mode(p, 24, OPMODE_OFF);       /* LDO24 TSP_VDD_1.8V */
 377        max77686_set_ldo_mode(p, 25, OPMODE_OFF);       /* LDO25 VCC_3.3V_LCD */
 378        max77686_set_ldo_mode(p, 26, OPMODE_OFF);       /*LDO26 VCC_3.0V_MOTOR*/
 379
 380        return 0;
 381}
 382
 383/*
 384 * LCD
 385 */
 386
 387#ifdef CONFIG_LCD
 388int mipi_power(void)
 389{
 390        struct pmic *p = pmic_get("MAX77686_PMIC");
 391
 392        /* LDO8 VMIPI_1.0V_AP */
 393        max77686_set_ldo_mode(p, 8, OPMODE_ON);
 394        /* LDO10 VMIPI_1.8V_AP */
 395        max77686_set_ldo_mode(p, 10, OPMODE_ON);
 396
 397        return 0;
 398}
 399
 400void exynos_lcd_power_on(void)
 401{
 402        struct pmic *p = pmic_get("MAX77686_PMIC");
 403
 404        /* LCD_2.2V_EN: GPC0[1] */
 405        gpio_request(EXYNOS4X12_GPIO_C01, "lcd_2v2_en");
 406        gpio_set_pull(EXYNOS4X12_GPIO_C01, S5P_GPIO_PULL_UP);
 407        gpio_direction_output(EXYNOS4X12_GPIO_C01, 1);
 408
 409        /* LDO25 VCC_3.1V_LCD */
 410        pmic_probe(p);
 411        max77686_set_ldo_voltage(p, 25, 3100000);
 412        max77686_set_ldo_mode(p, 25, OPMODE_LPM);
 413}
 414
 415void exynos_reset_lcd(void)
 416{
 417        /* reset lcd */
 418        gpio_request(EXYNOS4X12_GPIO_F21, "lcd_reset");
 419        gpio_direction_output(EXYNOS4X12_GPIO_F21, 0);
 420        udelay(10);
 421        gpio_set_value(EXYNOS4X12_GPIO_F21, 1);
 422}
 423
 424void exynos_lcd_misc_init(vidinfo_t *vid)
 425{
 426#ifdef CONFIG_TIZEN
 427        get_tizen_logo_info(vid);
 428#endif
 429#ifdef CONFIG_S6E8AX0
 430        s6e8ax0_init();
 431#endif
 432}
 433#endif /* LCD */
 434