blob: e71012de1f991ee130a4c1f8d5a1800c9fb204f8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* 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;
}
|
