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 int exynos_early_init_f(void) 104 { 105 board_external_gpio_init(); 106 107 return 0; 108 } 109 110 int exynos_init(void) 111 { 112 struct exynos4_power *pwr = 113 (struct exynos4_power *)samsung_get_base_power(); 114 115 check_hw_revision(); 116 printf("HW Revision:\t0x%04x\n", board_rev); 117 118 /* 119 * First bootloader on the TRATS2 platform uses 120 * INFORM4 and INFORM5 registers for recovery 121 * 122 * To indicate correct boot chain - those two 123 * registers must be cleared out 124 */ 125 writel(0, &pwr->inform4); 126 writel(0, &pwr->inform5); 127 128 return 0; 129 } 130 131 int exynos_power_init(void) 132 { 133 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 134 int chrg; 135 struct power_battery *pb; 136 struct pmic *p_chrg, *p_muic, *p_fg, *p_bat; 137 138 pmic_init(I2C_7); /* I2C adapter 7 - bus name s3c24x0_7 */ 139 pmic_init_max77686(); 140 pmic_init_max77693(I2C_10); /* I2C adapter 10 - bus name soft1 */ 141 power_muic_init(I2C_10); /* I2C adapter 10 - bus name soft1 */ 142 power_fg_init(I2C_9); /* I2C adapter 9 - bus name soft0 */ 143 power_bat_init(0); 144 145 p_chrg = pmic_get("MAX77693_PMIC"); 146 if (!p_chrg) { 147 puts("MAX77693_PMIC: Not found\n"); 148 return -ENODEV; 149 } 150 151 p_muic = pmic_get("MAX77693_MUIC"); 152 if (!p_muic) { 153 puts("MAX77693_MUIC: Not found\n"); 154 return -ENODEV; 155 } 156 157 p_fg = pmic_get("MAX77693_FG"); 158 if (!p_fg) { 159 puts("MAX17042_FG: Not found\n"); 160 return -ENODEV; 161 } 162 163 if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0) 164 puts("No battery detected\n"); 165 166 p_bat = pmic_get("BAT_TRATS2"); 167 if (!p_bat) { 168 puts("BAT_TRATS2: Not found\n"); 169 return -ENODEV; 170 } 171 172 p_fg->parent = p_bat; 173 p_chrg->parent = p_bat; 174 p_muic->parent = p_bat; 175 176 p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic); 177 178 pb = p_bat->pbat; 179 chrg = p_muic->chrg->chrg_type(p_muic); 180 debug("CHARGER TYPE: %d\n", chrg); 181 182 if (!p_chrg->chrg->chrg_bat_present(p_chrg)) { 183 puts("No battery detected\n"); 184 return 0; 185 } 186 187 p_fg->fg->fg_battery_check(p_fg, p_bat); 188 189 if (pb->bat->state == CHARGE && chrg == CHARGER_USB) 190 puts("CHARGE Battery !\n"); 191 #endif 192 return 0; 193 } 194 195 #ifdef CONFIG_USB_GADGET 196 static int s5pc210_phy_control(int on) 197 { 198 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 199 int ret = 0; 200 unsigned int val; 201 struct pmic *p, *p_pmic, *p_muic; 202 203 p_pmic = pmic_get("MAX77686_PMIC"); 204 if (!p_pmic) 205 return -ENODEV; 206 207 if (pmic_probe(p_pmic)) 208 return -1; 209 210 p_muic = pmic_get("MAX77693_MUIC"); 211 if (!p_muic) 212 return -ENODEV; 213 214 if (pmic_probe(p_muic)) 215 return -1; 216 217 if (on) { 218 ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON); 219 if (ret) 220 return -1; 221 222 p = pmic_get("MAX77693_PMIC"); 223 if (!p) 224 return -ENODEV; 225 226 if (pmic_probe(p)) 227 return -1; 228 229 /* SAFEOUT */ 230 ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val); 231 if (ret) 232 return -1; 233 234 val |= MAX77693_ENSAFEOUT1; 235 ret = pmic_reg_write(p, MAX77693_SAFEOUT, val); 236 if (ret) 237 return -1; 238 239 /* PATH: USB */ 240 ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1, 241 MAX77693_MUIC_CTRL1_DN1DP2); 242 243 } else { 244 ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM); 245 if (ret) 246 return -1; 247 248 /* PATH: UART */ 249 ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1, 250 MAX77693_MUIC_CTRL1_UT1UR2); 251 } 252 253 if (ret) 254 return -1; 255 #endif 256 return 0; 257 } 258 259 struct dwc2_plat_otg_data s5pc210_otg_data = { 260 .phy_control = s5pc210_phy_control, 261 .regs_phy = EXYNOS4X12_USBPHY_BASE, 262 .regs_otg = EXYNOS4X12_USBOTG_BASE, 263 .usb_phy_ctrl = EXYNOS4X12_USBPHY_CONTROL, 264 .usb_flags = PHY0_SLEEP, 265 }; 266 267 int board_usb_init(int index, enum usb_init_type init) 268 { 269 debug("USB_udc_probe\n"); 270 return dwc2_udc_probe(&s5pc210_otg_data); 271 } 272 273 int g_dnl_board_usb_cable_connected(void) 274 { 275 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 276 struct pmic *muic = pmic_get("MAX77693_MUIC"); 277 if (!muic) 278 return 0; 279 280 return !!muic->chrg->chrg_type(muic); 281 #else 282 return false; 283 #endif 284 } 285 #endif 286 287 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 288 static int pmic_init_max77686(void) 289 { 290 struct pmic *p = pmic_get("MAX77686_PMIC"); 291 292 if (pmic_probe(p)) 293 return -1; 294 295 /* BUCK/LDO Output Voltage */ 296 max77686_set_ldo_voltage(p, 21, 2800000); /* LDO21 VTF_2.8V */ 297 max77686_set_ldo_voltage(p, 23, 3300000); /* LDO23 TSP_AVDD_3.3V*/ 298 max77686_set_ldo_voltage(p, 24, 1800000); /* LDO24 TSP_VDD_1.8V */ 299 300 /* BUCK/LDO Output Mode */ 301 max77686_set_buck_mode(p, 1, OPMODE_STANDBY); /* BUCK1 VMIF_1.1V_AP */ 302 max77686_set_buck_mode(p, 2, OPMODE_ON); /* BUCK2 VARM_1.0V_AP */ 303 max77686_set_buck_mode(p, 3, OPMODE_ON); /* BUCK3 VINT_1.0V_AP */ 304 max77686_set_buck_mode(p, 4, OPMODE_ON); /* BUCK4 VG3D_1.0V_AP */ 305 max77686_set_buck_mode(p, 5, OPMODE_ON); /* BUCK5 VMEM_1.2V_AP */ 306 max77686_set_buck_mode(p, 6, OPMODE_ON); /* BUCK6 VCC_SUB_1.35V*/ 307 max77686_set_buck_mode(p, 7, OPMODE_ON); /* BUCK7 VCC_SUB_2.0V */ 308 max77686_set_buck_mode(p, 8, OPMODE_OFF); /* VMEM_VDDF_2.85V */ 309 max77686_set_buck_mode(p, 9, OPMODE_OFF); /* CAM_ISP_CORE_1.2V*/ 310 311 max77686_set_ldo_mode(p, 1, OPMODE_LPM); /* LDO1 VALIVE_1.0V_AP*/ 312 max77686_set_ldo_mode(p, 2, OPMODE_STANDBY); /* LDO2 VM1M2_1.2V_AP */ 313 max77686_set_ldo_mode(p, 3, OPMODE_LPM); /* LDO3 VCC_1.8V_AP */ 314 max77686_set_ldo_mode(p, 4, OPMODE_LPM); /* LDO4 VCC_2.8V_AP */ 315 max77686_set_ldo_mode(p, 5, OPMODE_OFF); /* LDO5_VCC_1.8V_IO */ 316 max77686_set_ldo_mode(p, 6, OPMODE_STANDBY); /* LDO6 VMPLL_1.0V_AP */ 317 max77686_set_ldo_mode(p, 7, OPMODE_STANDBY); /* LDO7 VPLL_1.0V_AP */ 318 max77686_set_ldo_mode(p, 8, OPMODE_LPM); /* LDO8 VMIPI_1.0V_AP */ 319 max77686_set_ldo_mode(p, 9, OPMODE_OFF); /* CAM_ISP_MIPI_1.2*/ 320 max77686_set_ldo_mode(p, 10, OPMODE_LPM); /* LDO10 VMIPI_1.8V_AP*/ 321 max77686_set_ldo_mode(p, 11, OPMODE_STANDBY); /* LDO11 VABB1_1.8V_AP*/ 322 max77686_set_ldo_mode(p, 12, OPMODE_LPM); /* LDO12 VUOTG_3.0V_AP*/ 323 max77686_set_ldo_mode(p, 13, OPMODE_OFF); /* LDO13 VC2C_1.8V_AP */ 324 max77686_set_ldo_mode(p, 14, OPMODE_STANDBY); /* VABB02_1.8V_AP */ 325 max77686_set_ldo_mode(p, 15, OPMODE_STANDBY); /* LDO15 VHSIC_1.0V_AP*/ 326 max77686_set_ldo_mode(p, 16, OPMODE_STANDBY); /* LDO16 VHSIC_1.8V_AP*/ 327 max77686_set_ldo_mode(p, 17, OPMODE_OFF); /* CAM_SENSOR_CORE_1.2*/ 328 max77686_set_ldo_mode(p, 18, OPMODE_OFF); /* CAM_ISP_SEN_IO_1.8V*/ 329 max77686_set_ldo_mode(p, 19, OPMODE_OFF); /* LDO19 VT_CAM_1.8V */ 330 max77686_set_ldo_mode(p, 20, OPMODE_ON); /* LDO20 VDDQ_PRE_1.8V*/ 331 max77686_set_ldo_mode(p, 21, OPMODE_OFF); /* LDO21 VTF_2.8V */ 332 max77686_set_ldo_mode(p, 22, OPMODE_OFF); /* LDO22 VMEM_VDD_2.8V*/ 333 max77686_set_ldo_mode(p, 23, OPMODE_OFF); /* LDO23 TSP_AVDD_3.3V*/ 334 max77686_set_ldo_mode(p, 24, OPMODE_OFF); /* LDO24 TSP_VDD_1.8V */ 335 max77686_set_ldo_mode(p, 25, OPMODE_OFF); /* LDO25 VCC_3.3V_LCD */ 336 max77686_set_ldo_mode(p, 26, OPMODE_OFF); /*LDO26 VCC_3.0V_MOTOR*/ 337 338 return 0; 339 } 340 #endif 341 342 /* 343 * LCD 344 */ 345 346 #ifdef CONFIG_LCD 347 int mipi_power(void) 348 { 349 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 350 struct pmic *p = pmic_get("MAX77686_PMIC"); 351 352 /* LDO8 VMIPI_1.0V_AP */ 353 max77686_set_ldo_mode(p, 8, OPMODE_ON); 354 /* LDO10 VMIPI_1.8V_AP */ 355 max77686_set_ldo_mode(p, 10, OPMODE_ON); 356 #endif 357 358 return 0; 359 } 360 361 void exynos_lcd_power_on(void) 362 { 363 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */ 364 struct pmic *p = pmic_get("MAX77686_PMIC"); 365 366 /* LCD_2.2V_EN: GPC0[1] */ 367 gpio_request(EXYNOS4X12_GPIO_C01, "lcd_2v2_en"); 368 gpio_set_pull(EXYNOS4X12_GPIO_C01, S5P_GPIO_PULL_UP); 369 gpio_direction_output(EXYNOS4X12_GPIO_C01, 1); 370 371 /* LDO25 VCC_3.1V_LCD */ 372 pmic_probe(p); 373 max77686_set_ldo_voltage(p, 25, 3100000); 374 max77686_set_ldo_mode(p, 25, OPMODE_LPM); 375 #endif 376 } 377 378 void exynos_reset_lcd(void) 379 { 380 /* reset lcd */ 381 gpio_request(EXYNOS4X12_GPIO_F21, "lcd_reset"); 382 gpio_direction_output(EXYNOS4X12_GPIO_F21, 0); 383 udelay(10); 384 gpio_set_value(EXYNOS4X12_GPIO_F21, 1); 385 } 386 387 void exynos_lcd_misc_init(vidinfo_t *vid) 388 { 389 #ifdef CONFIG_TIZEN 390 get_tizen_logo_info(vid); 391 #endif 392 #ifdef CONFIG_S6E8AX0 393 s6e8ax0_init(); 394 #endif 395 } 396 #endif /* LCD */ 397