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_INIT_BOARD 104 static 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 130 int 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 } 137 138 int 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 146 147 int exynos_early_init_f(void) 148 { 149 board_external_gpio_init(); 150 151 return 0; 152 } 153 154 int exynos_init(void) 155 { 156 struct exynos4_power *pwr = 157 (struct exynos4_power *)samsung_get_base_power(); 158 159 check_hw_revision(); 160 printf("HW Revision:\t0x%04x\n", board_rev); 161 162 /* 163 * First bootloader on the TRATS2 platform uses 164 * INFORM4 and INFORM5 registers for recovery 165 * 166 * To indicate correct boot chain - those two 167 * registers must be cleared out 168 */ 169 writel(0, &pwr->inform4); 170 writel(0, &pwr->inform5); 171 172 return 0; 173 } 174 175 int exynos_power_init(void) 176 { 177 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 178 int chrg; 179 struct power_battery *pb; 180 struct pmic *p_chrg, *p_muic, *p_fg, *p_bat; 181 182 #ifdef CONFIG_SYS_I2C_INIT_BOARD 183 board_init_i2c(); 184 #endif 185 pmic_init(I2C_7); /* I2C adapter 7 - bus name s3c24x0_7 */ 186 pmic_init_max77686(); 187 pmic_init_max77693(I2C_10); /* I2C adapter 10 - bus name soft1 */ 188 power_muic_init(I2C_10); /* I2C adapter 10 - bus name soft1 */ 189 power_fg_init(I2C_9); /* I2C adapter 9 - bus name soft0 */ 190 power_bat_init(0); 191 192 p_chrg = pmic_get("MAX77693_PMIC"); 193 if (!p_chrg) { 194 puts("MAX77693_PMIC: Not found\n"); 195 return -ENODEV; 196 } 197 198 p_muic = pmic_get("MAX77693_MUIC"); 199 if (!p_muic) { 200 puts("MAX77693_MUIC: Not found\n"); 201 return -ENODEV; 202 } 203 204 p_fg = pmic_get("MAX77693_FG"); 205 if (!p_fg) { 206 puts("MAX17042_FG: Not found\n"); 207 return -ENODEV; 208 } 209 210 if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0) 211 puts("No battery detected\n"); 212 213 p_bat = pmic_get("BAT_TRATS2"); 214 if (!p_bat) { 215 puts("BAT_TRATS2: Not found\n"); 216 return -ENODEV; 217 } 218 219 p_fg->parent = p_bat; 220 p_chrg->parent = p_bat; 221 p_muic->parent = p_bat; 222 223 p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic); 224 225 pb = p_bat->pbat; 226 chrg = p_muic->chrg->chrg_type(p_muic); 227 debug("CHARGER TYPE: %d\n", chrg); 228 229 if (!p_chrg->chrg->chrg_bat_present(p_chrg)) { 230 puts("No battery detected\n"); 231 return 0; 232 } 233 234 p_fg->fg->fg_battery_check(p_fg, p_bat); 235 236 if (pb->bat->state == CHARGE && chrg == CHARGER_USB) 237 puts("CHARGE Battery !\n"); 238 #endif 239 return 0; 240 } 241 242 #ifdef CONFIG_USB_GADGET 243 static int s5pc210_phy_control(int on) 244 { 245 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 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 #endif 303 return 0; 304 } 305 306 struct 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 }; 313 314 int 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 } 319 320 int g_dnl_board_usb_cable_connected(void) 321 { 322 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 323 struct pmic *muic = pmic_get("MAX77693_MUIC"); 324 if (!muic) 325 return 0; 326 327 return !!muic->chrg->chrg_type(muic); 328 #else 329 return false; 330 #endif 331 } 332 #endif 333 334 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 335 static int pmic_init_max77686(void) 336 { 337 struct pmic *p = pmic_get("MAX77686_PMIC"); 338 339 if (pmic_probe(p)) 340 return -1; 341 342 /* BUCK/LDO Output Voltage */ 343 max77686_set_ldo_voltage(p, 21, 2800000); /* LDO21 VTF_2.8V */ 344 max77686_set_ldo_voltage(p, 23, 3300000); /* LDO23 TSP_AVDD_3.3V*/ 345 max77686_set_ldo_voltage(p, 24, 1800000); /* LDO24 TSP_VDD_1.8V */ 346 347 /* BUCK/LDO Output Mode */ 348 max77686_set_buck_mode(p, 1, OPMODE_STANDBY); /* BUCK1 VMIF_1.1V_AP */ 349 max77686_set_buck_mode(p, 2, OPMODE_ON); /* BUCK2 VARM_1.0V_AP */ 350 max77686_set_buck_mode(p, 3, OPMODE_ON); /* BUCK3 VINT_1.0V_AP */ 351 max77686_set_buck_mode(p, 4, OPMODE_ON); /* BUCK4 VG3D_1.0V_AP */ 352 max77686_set_buck_mode(p, 5, OPMODE_ON); /* BUCK5 VMEM_1.2V_AP */ 353 max77686_set_buck_mode(p, 6, OPMODE_ON); /* BUCK6 VCC_SUB_1.35V*/ 354 max77686_set_buck_mode(p, 7, OPMODE_ON); /* BUCK7 VCC_SUB_2.0V */ 355 max77686_set_buck_mode(p, 8, OPMODE_OFF); /* VMEM_VDDF_2.85V */ 356 max77686_set_buck_mode(p, 9, OPMODE_OFF); /* CAM_ISP_CORE_1.2V*/ 357 358 max77686_set_ldo_mode(p, 1, OPMODE_LPM); /* LDO1 VALIVE_1.0V_AP*/ 359 max77686_set_ldo_mode(p, 2, OPMODE_STANDBY); /* LDO2 VM1M2_1.2V_AP */ 360 max77686_set_ldo_mode(p, 3, OPMODE_LPM); /* LDO3 VCC_1.8V_AP */ 361 max77686_set_ldo_mode(p, 4, OPMODE_LPM); /* LDO4 VCC_2.8V_AP */ 362 max77686_set_ldo_mode(p, 5, OPMODE_OFF); /* LDO5_VCC_1.8V_IO */ 363 max77686_set_ldo_mode(p, 6, OPMODE_STANDBY); /* LDO6 VMPLL_1.0V_AP */ 364 max77686_set_ldo_mode(p, 7, OPMODE_STANDBY); /* LDO7 VPLL_1.0V_AP */ 365 max77686_set_ldo_mode(p, 8, OPMODE_LPM); /* LDO8 VMIPI_1.0V_AP */ 366 max77686_set_ldo_mode(p, 9, OPMODE_OFF); /* CAM_ISP_MIPI_1.2*/ 367 max77686_set_ldo_mode(p, 10, OPMODE_LPM); /* LDO10 VMIPI_1.8V_AP*/ 368 max77686_set_ldo_mode(p, 11, OPMODE_STANDBY); /* LDO11 VABB1_1.8V_AP*/ 369 max77686_set_ldo_mode(p, 12, OPMODE_LPM); /* LDO12 VUOTG_3.0V_AP*/ 370 max77686_set_ldo_mode(p, 13, OPMODE_OFF); /* LDO13 VC2C_1.8V_AP */ 371 max77686_set_ldo_mode(p, 14, OPMODE_STANDBY); /* VABB02_1.8V_AP */ 372 max77686_set_ldo_mode(p, 15, OPMODE_STANDBY); /* LDO15 VHSIC_1.0V_AP*/ 373 max77686_set_ldo_mode(p, 16, OPMODE_STANDBY); /* LDO16 VHSIC_1.8V_AP*/ 374 max77686_set_ldo_mode(p, 17, OPMODE_OFF); /* CAM_SENSOR_CORE_1.2*/ 375 max77686_set_ldo_mode(p, 18, OPMODE_OFF); /* CAM_ISP_SEN_IO_1.8V*/ 376 max77686_set_ldo_mode(p, 19, OPMODE_OFF); /* LDO19 VT_CAM_1.8V */ 377 max77686_set_ldo_mode(p, 20, OPMODE_ON); /* LDO20 VDDQ_PRE_1.8V*/ 378 max77686_set_ldo_mode(p, 21, OPMODE_OFF); /* LDO21 VTF_2.8V */ 379 max77686_set_ldo_mode(p, 22, OPMODE_OFF); /* LDO22 VMEM_VDD_2.8V*/ 380 max77686_set_ldo_mode(p, 23, OPMODE_OFF); /* LDO23 TSP_AVDD_3.3V*/ 381 max77686_set_ldo_mode(p, 24, OPMODE_OFF); /* LDO24 TSP_VDD_1.8V */ 382 max77686_set_ldo_mode(p, 25, OPMODE_OFF); /* LDO25 VCC_3.3V_LCD */ 383 max77686_set_ldo_mode(p, 26, OPMODE_OFF); /*LDO26 VCC_3.0V_MOTOR*/ 384 385 return 0; 386 } 387 #endif 388 389 /* 390 * LCD 391 */ 392 393 #ifdef CONFIG_LCD 394 int mipi_power(void) 395 { 396 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 397 struct pmic *p = pmic_get("MAX77686_PMIC"); 398 399 /* LDO8 VMIPI_1.0V_AP */ 400 max77686_set_ldo_mode(p, 8, OPMODE_ON); 401 /* LDO10 VMIPI_1.8V_AP */ 402 max77686_set_ldo_mode(p, 10, OPMODE_ON); 403 #endif 404 405 return 0; 406 } 407 408 void exynos_lcd_power_on(void) 409 { 410 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 411 struct pmic *p = pmic_get("MAX77686_PMIC"); 412 413 /* LCD_2.2V_EN: GPC0[1] */ 414 gpio_request(EXYNOS4X12_GPIO_C01, "lcd_2v2_en"); 415 gpio_set_pull(EXYNOS4X12_GPIO_C01, S5P_GPIO_PULL_UP); 416 gpio_direction_output(EXYNOS4X12_GPIO_C01, 1); 417 418 /* LDO25 VCC_3.1V_LCD */ 419 pmic_probe(p); 420 max77686_set_ldo_voltage(p, 25, 3100000); 421 max77686_set_ldo_mode(p, 25, OPMODE_LPM); 422 #endif 423 } 424 425 void exynos_reset_lcd(void) 426 { 427 /* reset lcd */ 428 gpio_request(EXYNOS4X12_GPIO_F21, "lcd_reset"); 429 gpio_direction_output(EXYNOS4X12_GPIO_F21, 0); 430 udelay(10); 431 gpio_set_value(EXYNOS4X12_GPIO_F21, 1); 432 } 433 434 void exynos_lcd_misc_init(vidinfo_t *vid) 435 { 436 #ifdef CONFIG_TIZEN 437 get_tizen_logo_info(vid); 438 #endif 439 #ifdef CONFIG_S6E8AX0 440 s6e8ax0_init(); 441 #endif 442 } 443 #endif /* LCD */ 444