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https://github.com/AsahiLinux/u-boot
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77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2013 Samsung Electronics
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* Piotr Wilczek <p.wilczek@samsung.com>
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*/
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#include <common.h>
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#include <log.h>
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#include <power/pmic.h>
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#include <power/power_chrg.h>
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#include <power/max77693_muic.h>
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#include <i2c.h>
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#include <errno.h>
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static int power_chrg_get_type(struct pmic *p)
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{
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unsigned int val;
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unsigned int charge_type, charger;
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/* if probe failed, return cable none */
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if (pmic_probe(p))
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return CHARGER_NO;
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pmic_reg_read(p, MAX77693_MUIC_STATUS2, &val);
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charge_type = val & MAX77693_MUIC_CHG_MASK;
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switch (charge_type) {
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case MAX77693_MUIC_CHG_NO:
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charger = CHARGER_NO;
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break;
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case MAX77693_MUIC_CHG_USB:
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case MAX77693_MUIC_CHG_USB_D:
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charger = CHARGER_USB;
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break;
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case MAX77693_MUIC_CHG_TA:
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case MAX77693_MUIC_CHG_TA_1A:
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charger = CHARGER_TA;
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break;
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case MAX77693_MUIC_CHG_TA_500:
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charger = CHARGER_TA_500;
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break;
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default:
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charger = CHARGER_UNKNOWN;
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break;
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}
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return charger;
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}
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static struct power_chrg power_chrg_muic_ops = {
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.chrg_type = power_chrg_get_type,
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};
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int power_muic_init(unsigned int bus)
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{
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static const char name[] = "MAX77693_MUIC";
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struct pmic *p = pmic_alloc();
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if (!p) {
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printf("%s: POWER allocation error!\n", __func__);
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return -ENOMEM;
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}
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debug("Board Micro USB Interface Controller init\n");
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p->name = name;
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p->interface = PMIC_I2C;
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p->number_of_regs = MUIC_NUM_OF_REGS;
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p->hw.i2c.addr = MAX77693_MUIC_I2C_ADDR;
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p->hw.i2c.tx_num = 1;
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p->bus = bus;
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p->chrg = &power_chrg_muic_ops;
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return 0;
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}
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