mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 08:57:58 +00:00
0475044712
This patch add support for new multi function pmic max77693. The driver is split into three modules: pmic, muic and fuelgage. Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2013 Samsung Electronics
|
|
* Piotr Wilczek <p.wilczek@samsung.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <power/pmic.h>
|
|
#include <power/power_chrg.h>
|
|
#include <power/max77693_muic.h>
|
|
#include <i2c.h>
|
|
#include <errno.h>
|
|
|
|
static int power_chrg_get_type(struct pmic *p)
|
|
{
|
|
unsigned int val;
|
|
unsigned int charge_type, charger;
|
|
|
|
/* if probe failed, return cable none */
|
|
if (pmic_probe(p))
|
|
return CHARGER_NO;
|
|
|
|
pmic_reg_read(p, MAX77693_MUIC_STATUS2, &val);
|
|
|
|
charge_type = val & MAX77693_MUIC_CHG_MASK;
|
|
|
|
switch (charge_type) {
|
|
case MAX77693_MUIC_CHG_NO:
|
|
charger = CHARGER_NO;
|
|
break;
|
|
case MAX77693_MUIC_CHG_USB:
|
|
case MAX77693_MUIC_CHG_USB_D:
|
|
charger = CHARGER_USB;
|
|
break;
|
|
case MAX77693_MUIC_CHG_TA:
|
|
case MAX77693_MUIC_CHG_TA_1A:
|
|
charger = CHARGER_TA;
|
|
break;
|
|
case MAX77693_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[] = "MAX77693_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 = MAX77693_MUIC_I2C_ADDR;
|
|
p->hw.i2c.tx_num = 1;
|
|
p->bus = bus;
|
|
|
|
p->chrg = &power_chrg_muic_ops;
|
|
|
|
return 0;
|
|
}
|