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/*
* Copyright (C) 2012 Samsung Electronics
* Lukasz Majewski <l.majewski@samsung.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#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;
}
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