blob: b453ad20765c71c5ce04b8e461a88aeff66f7efa (
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* MPS MP4245 Buck-Boost converter driver definitions */
/* I2C addresses */
#define MP4245_I2C_ADDR_0_FLAGS 0x61 /* R1 -> GND */
#define MP4245_I2C_ADDR_1_FLAGS 0x62 /* R1 -> 15.0k */
#define MP4245_I2C_ADDR_2_FLAGS 0x63 /* R1 -> 25.5k */
#define MP4245_I2C_ADDR_3_FLAGS 0x64 /* R1 -> 35.7k */
#define MP4245_I2C_ADDR_4_FLAGS 0x65 /* R1 -> 45.3k */
#define MP4245_I2C_ADDR_5_FLAGS 0x66 /* R1 -> 56.0k */
#define MP4245_I2C_ADDR_6_FLAGS 0x67 /* R1 -> VCC */
/* MP4245 CMD Offsets */
#define MP4245_CMD_OPERATION 0x01
#define MP4245_CMD_CLEAR_FAULTS 0x03
#define MP4245_CMD_WRITE_PROTECT 0x10
#define MP4245_CMD_STORE_USER_ALL 0x15
#define MP4245_CMD_RESTORE_USER_ALL 0x16
#define MP4245_CMD_VOUT_MODE 0x20
#define MP4245_CMD_VOUT_COMMAND 0x21
#define MP4245_CMD_VOUT_SCALE_LOOP 0x29
#define MP4245_CMD_STATUS_BYTE 0x78
#define MP4245_CMD_STATUS_WORD 0x79
#define MP4245_CMD_STATUS_VOUT 0x7A
#define MP4245_CMD_STATUS_INPUT 0x7C
#define MP4245_CMD_STATUS_TEMP 0x7D
#define MP4245_CMD_STATUS_CML 0x7E
#define MP4245_CMD_READ_VIN 0x88
#define MP4245_CMD_READ_VOUT 0x8B
#define MP4245_CMD_READ_IOUT 0x8C
#define MP4245_CMD_READ_TEMP 0x8D
#define MP4245_CMD_MFR_MODE_CTRL 0xD0
#define MP4245_CMD_MFR_CURRENT_LIM 0xD1
#define MP4245_CMD_MFR_LINE_DROP 0xD2
#define MP4245_CMD_MFR_OT_FAULT_LIM 0xD3
#define MP4245_CMD_MFR_OT_WARN_LIM 0xD4
#define MP4245_CMD_MFR_CRC_ERROR 0xD5
#define MP4245_CMD_MFF_MTP_CFG_CODE 0xD6
#define MP4245_CMD_MFR_MTP_REV_NUM 0xD7
#define MP4245_CMD_MFR_STATUS_MASK 0xD8
#define MP4245_CMD_OPERATION_ON BIT(7)
#define MP4245_VOUT_1V BIT(10)
#define MP4245_VOUT_FROM_MV (MP4245_VOUT_1V * MP4245_VOUT_1V / 1000)
#define MP4245_VOUT_TO_MV(v) ((v * 1000) / MP4245_VOUT_1V)
#define MP4245_IOUT_TO_MA(i) (((i & 0x7ff) * 1000) / BIT(6))
#define MP4245_ILIM_STEP_MA 50
#define MP4245_VOUT_5V_DELAY_MS 10
#define MP4245_MFR_STATUS_MASK_VOUT BIT(7)
#define MP4245_MFR_STATUS_MASK_IOUT BIT(6)
#define MP4245_MFR_STATUS_MASK_INPUT BIT(5)
#define MP4245_MFR_STATUS_MASK_TEMP BIT(4)
#define MP4245_MFR_STATUS_MASK_PG_STATUS BIT(3)
#define MP4245_MFR_STATUS_MASK_PG_ALT_EDGE BIT(2)
#define MP4245_MFR_STATUS_MASK_OTHER BIT(1)
#define MP4245_MFR_STATUS_MASK_UNKNOWN BIT(0)
/**
* MP4245 set output voltage level
*
* @param desired_mv -> voltage level in mV
* @return i2c write result
*/
int mp4245_set_voltage_out(int desired_mv);
/**
* MP4245 set output current limit
*
* @param desired_ma -> current limit in mA
* @return i2c write result
*/
int mp4245_set_current_lim(int desired_ma);
/**
* MP4245 set output current limit
*
* @param enable -> 0 = off, else on
* @return i2c write result
*/
int mp4245_votlage_out_enable(int enable);
/**
* MP4245 get Vbus voltage/current values
*
* @param *mv -> vbus voltage in mV
* @param *ma -> vbus current in mA
* @return i2c read results
*/
int mp3245_get_vbus(int *mv, int *ma);
|