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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (c) 2013 Samsung Electronics Co., Ltd. All rights reserved.
- * Sanghee Kim <sh0130.kim@samsung.com>
- * Piotr Wilczek <p.wilczek@samsung.com>
- */
- #include <common.h>
- #include <lcd.h>
- #include <log.h>
- #include <asm/gpio.h>
- #include <asm/arch/pinmux.h>
- #include <asm/arch/power.h>
- #include <asm/arch/mipi_dsim.h>
- #include <linux/delay.h>
- #include <power/pmic.h>
- #include <power/max77686_pmic.h>
- #include <power/battery.h>
- #include <power/max77693_pmic.h>
- #include <power/max77693_muic.h>
- #include <power/max77693_fg.h>
- #include <libtizen.h>
- #include <errno.h>
- #include <usb.h>
- #include <usb/dwc2_udc.h>
- #include <usb_mass_storage.h>
- static unsigned int board_rev = -1;
- static inline u32 get_model_rev(void);
- static void check_hw_revision(void)
- {
- int modelrev = 0;
- char str[12];
- int i;
- /*
- * GPM1[1:0]: MODEL_REV[1:0]
- * Don't set as pull-none for these N/C pin.
- * TRM say that it may cause unexcepted state and leakage current.
- * and pull-none is only for output function.
- */
- for (i = 0; i < 2; i++) {
- int pin = i + EXYNOS4X12_GPIO_M10;
- sprintf(str, "model_rev%d", i);
- gpio_request(pin, str);
- gpio_cfg_pin(pin, S5P_GPIO_INPUT);
- }
- /* GPM1[5:2]: HW_REV[3:0] */
- for (i = 0; i < 4; i++) {
- int pin = i + EXYNOS4X12_GPIO_M12;
- sprintf(str, "hw_rev%d", i);
- gpio_request(pin, str);
- gpio_cfg_pin(pin, S5P_GPIO_INPUT);
- gpio_set_pull(pin, S5P_GPIO_PULL_NONE);
- }
- /* GPM1[1:0]: MODEL_REV[1:0] */
- for (i = 0; i < 2; i++)
- modelrev |= (gpio_get_value(EXYNOS4X12_GPIO_M10 + i) << i);
- /* board_rev[15:8] = model */
- board_rev = modelrev << 8;
- }
- u32 get_board_rev(void)
- {
- return board_rev;
- }
- static inline u32 get_model_rev(void)
- {
- return (board_rev >> 8) & 0xff;
- }
- static void board_external_gpio_init(void)
- {
- /*
- * some pins which in alive block are connected with external pull-up
- * but it's default setting is pull-down.
- * if that pin set as input then that floated
- */
- gpio_set_pull(EXYNOS4X12_GPIO_X02, S5P_GPIO_PULL_NONE); /* PS_ALS_INT */
- gpio_set_pull(EXYNOS4X12_GPIO_X04, S5P_GPIO_PULL_NONE); /* TSP_nINT */
- gpio_set_pull(EXYNOS4X12_GPIO_X07, S5P_GPIO_PULL_NONE); /* AP_PMIC_IRQ*/
- gpio_set_pull(EXYNOS4X12_GPIO_X15, S5P_GPIO_PULL_NONE); /* IF_PMIC_IRQ*/
- gpio_set_pull(EXYNOS4X12_GPIO_X20, S5P_GPIO_PULL_NONE); /* VOL_UP */
- gpio_set_pull(EXYNOS4X12_GPIO_X21, S5P_GPIO_PULL_NONE); /* VOL_DOWN */
- gpio_set_pull(EXYNOS4X12_GPIO_X23, S5P_GPIO_PULL_NONE); /* FUEL_ALERT */
- gpio_set_pull(EXYNOS4X12_GPIO_X24, S5P_GPIO_PULL_NONE); /* ADC_INT */
- gpio_set_pull(EXYNOS4X12_GPIO_X27, S5P_GPIO_PULL_NONE); /* nPOWER */
- gpio_set_pull(EXYNOS4X12_GPIO_X30, S5P_GPIO_PULL_NONE); /* WPC_INT */
- gpio_set_pull(EXYNOS4X12_GPIO_X35, S5P_GPIO_PULL_NONE); /* OK_KEY */
- gpio_set_pull(EXYNOS4X12_GPIO_X37, S5P_GPIO_PULL_NONE); /* HDMI_HPD */
- }
- int exynos_early_init_f(void)
- {
- board_external_gpio_init();
- return 0;
- }
- int exynos_init(void)
- {
- struct exynos4_power *pwr =
- (struct exynos4_power *)samsung_get_base_power();
- check_hw_revision();
- printf("HW Revision:\t0x%04x\n", board_rev);
- /*
- * First bootloader on the TRATS2 platform uses
- * INFORM4 and INFORM5 registers for recovery
- *
- * To indicate correct boot chain - those two
- * registers must be cleared out
- */
- writel(0, &pwr->inform4);
- writel(0, &pwr->inform5);
- return 0;
- }
- int exynos_power_init(void)
- {
- #if !CONFIG_IS_ENABLED(DM_I2C) /* TODO(maintainer): Convert to driver model */
- int chrg;
- struct power_battery *pb;
- struct pmic *p_chrg, *p_muic, *p_fg, *p_bat;
- pmic_init_max77693(I2C_10); /* I2C adapter 10 - bus name soft1 */
- power_muic_init(I2C_10); /* I2C adapter 10 - bus name soft1 */
- power_fg_init(I2C_9); /* I2C adapter 9 - bus name soft0 */
- power_bat_init(0);
- p_chrg = pmic_get("MAX77693_PMIC");
- if (!p_chrg) {
- puts("MAX77693_PMIC: Not found\n");
- return -ENODEV;
- }
- p_muic = pmic_get("MAX77693_MUIC");
- if (!p_muic) {
- puts("MAX77693_MUIC: Not found\n");
- return -ENODEV;
- }
- p_fg = pmic_get("MAX77693_FG");
- if (!p_fg) {
- puts("MAX17042_FG: Not found\n");
- return -ENODEV;
- }
- if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0)
- puts("No battery detected\n");
- p_bat = pmic_get("BAT_TRATS2");
- if (!p_bat) {
- puts("BAT_TRATS2: Not found\n");
- return -ENODEV;
- }
- p_fg->parent = p_bat;
- p_chrg->parent = p_bat;
- p_muic->parent = p_bat;
- p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
- pb = p_bat->pbat;
- chrg = p_muic->chrg->chrg_type(p_muic);
- debug("CHARGER TYPE: %d\n", chrg);
- if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
- puts("No battery detected\n");
- return 0;
- }
- p_fg->fg->fg_battery_check(p_fg, p_bat);
- if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
- puts("CHARGE Battery !\n");
- #endif
- return 0;
- }
- #ifdef CONFIG_USB_GADGET
- static int s5pc210_phy_control(int on)
- {
- #if !CONFIG_IS_ENABLED(DM_I2C) /* TODO(maintainer): Convert to driver model */
- int ret = 0;
- unsigned int val;
- struct pmic *p, *p_pmic, *p_muic;
- p_pmic = pmic_get("MAX77686_PMIC");
- if (!p_pmic)
- return -ENODEV;
- if (pmic_probe(p_pmic))
- return -1;
- p_muic = pmic_get("MAX77693_MUIC");
- if (!p_muic)
- return -ENODEV;
- if (pmic_probe(p_muic))
- return -1;
- if (on) {
- ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON);
- if (ret)
- return -1;
- p = pmic_get("MAX77693_PMIC");
- if (!p)
- return -ENODEV;
- if (pmic_probe(p))
- return -1;
- /* SAFEOUT */
- ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val);
- if (ret)
- return -1;
- val |= MAX77693_ENSAFEOUT1;
- ret = pmic_reg_write(p, MAX77693_SAFEOUT, val);
- if (ret)
- return -1;
- /* PATH: USB */
- ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
- MAX77693_MUIC_CTRL1_DN1DP2);
- } else {
- ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM);
- if (ret)
- return -1;
- /* PATH: UART */
- ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
- MAX77693_MUIC_CTRL1_UT1UR2);
- }
- if (ret)
- return -1;
- #endif
- return 0;
- }
- struct dwc2_plat_otg_data s5pc210_otg_data = {
- .phy_control = s5pc210_phy_control,
- .regs_phy = EXYNOS4X12_USBPHY_BASE,
- .regs_otg = EXYNOS4X12_USBOTG_BASE,
- .usb_phy_ctrl = EXYNOS4X12_USBPHY_CONTROL,
- .usb_flags = PHY0_SLEEP,
- };
- int board_usb_init(int index, enum usb_init_type init)
- {
- debug("USB_udc_probe\n");
- return dwc2_udc_probe(&s5pc210_otg_data);
- }
- int g_dnl_board_usb_cable_connected(void)
- {
- #if !CONFIG_IS_ENABLED(DM_I2C) /* TODO(maintainer): Convert to driver model */
- struct pmic *muic = pmic_get("MAX77693_MUIC");
- if (!muic)
- return 0;
- return !!muic->chrg->chrg_type(muic);
- #else
- return false;
- #endif
- }
- #endif
- /*
- * LCD
- */
- #ifdef CONFIG_LCD
- int mipi_power(void)
- {
- #if !CONFIG_IS_ENABLED(DM_I2C) /* TODO(maintainer): Convert to driver model */
- struct pmic *p = pmic_get("MAX77686_PMIC");
- /* LDO8 VMIPI_1.0V_AP */
- max77686_set_ldo_mode(p, 8, OPMODE_ON);
- /* LDO10 VMIPI_1.8V_AP */
- max77686_set_ldo_mode(p, 10, OPMODE_ON);
- #endif
- return 0;
- }
- void exynos_lcd_power_on(void)
- {
- #if !CONFIG_IS_ENABLED(DM_I2C) /* TODO(maintainer): Convert to driver model */
- struct pmic *p = pmic_get("MAX77686_PMIC");
- /* LCD_2.2V_EN: GPC0[1] */
- gpio_request(EXYNOS4X12_GPIO_C01, "lcd_2v2_en");
- gpio_set_pull(EXYNOS4X12_GPIO_C01, S5P_GPIO_PULL_UP);
- gpio_direction_output(EXYNOS4X12_GPIO_C01, 1);
- /* LDO25 VCC_3.1V_LCD */
- pmic_probe(p);
- max77686_set_ldo_voltage(p, 25, 3100000);
- max77686_set_ldo_mode(p, 25, OPMODE_LPM);
- #endif
- }
- void exynos_reset_lcd(void)
- {
- /* reset lcd */
- gpio_request(EXYNOS4X12_GPIO_F21, "lcd_reset");
- gpio_direction_output(EXYNOS4X12_GPIO_F21, 0);
- udelay(10);
- gpio_set_value(EXYNOS4X12_GPIO_F21, 1);
- }
- void exynos_lcd_misc_init(vidinfo_t *vid)
- {
- #ifdef CONFIG_TIZEN
- get_tizen_logo_info(vid);
- #endif
- #ifdef CONFIG_S6E8AX0
- s6e8ax0_init();
- #endif
- }
- #endif /* LCD */
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