// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2012 Samsung Electronics * Lukasz Majewski <l.majewski@samsung.com> */ #include <common.h> #include <power/pmic.h> #include <power/power_chrg.h> #include <power/max8997_muic.h> #include <i2c.h> #include <errno.h> static int power_chrg_get_type(struct pmic *p) { unsigned int val; unsigned char charge_type, charger; if (pmic_probe(p)) return CHARGER_NO; pmic_reg_read(p, MAX8997_MUIC_STATUS2, &val); charge_type = val & MAX8997_MUIC_CHG_MASK; switch (charge_type) { case MAX8997_MUIC_CHG_NO: charger = CHARGER_NO; break; case MAX8997_MUIC_CHG_USB: case MAX8997_MUIC_CHG_USB_D: charger = CHARGER_USB; break; case MAX8997_MUIC_CHG_TA: case MAX8997_MUIC_CHG_TA_1A: charger = CHARGER_TA; break; case MAX8997_MUIC_CHG_TA_500: charger = CHARGER_TA_500; break; default: charger = CHARGER_UNKNOWN; break; } return charger; } static struct power_chrg power_chrg_muic_ops = { .chrg_type = power_chrg_get_type, }; int power_muic_init(unsigned int bus) { static const char name[] = "MAX8997_MUIC"; struct pmic *p = pmic_alloc(); if (!p) { printf("%s: POWER allocation error!\n", __func__); return -ENOMEM; } debug("Board Micro USB Interface Controller init\n"); p->name = name; p->interface = PMIC_I2C; p->number_of_regs = MUIC_NUM_OF_REGS; p->hw.i2c.addr = MAX8997_MUIC_I2C_ADDR; p->hw.i2c.tx_num = 1; p->bus = bus; p->chrg = &power_chrg_muic_ops; return 0; }