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Tom Wai-Hong Tamac1058f2014-05-20 06:01:36 -06001/*
2 * Copyright (c) 2012 The Chromium OS Authors.
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#ifndef __TPS65090_PMIC_H_
8#define __TPS65090_PMIC_H_
9
10/* I2C device address for TPS65090 PMU */
11#define TPS65090_I2C_ADDR 0x48
12
13enum {
14 /* Status register fields */
15 TPS65090_ST1_OTC = 1 << 0,
16 TPS65090_ST1_OCC = 1 << 1,
17 TPS65090_ST1_STATE_SHIFT = 4,
18 TPS65090_ST1_STATE_MASK = 0xf << TPS65090_ST1_STATE_SHIFT,
19};
20
21/**
22 * Enable FET
23 *
24 * @param fet_id FET ID, value between 1 and 7
25 * @return 0 on success, non-0 on failure
26 */
27int tps65090_fet_enable(unsigned int fet_id);
28
29/**
30 * Disable FET
31 *
32 * @param fet_id FET ID, value between 1 and 7
33 * @return 0 on success, non-0 on failure
34 */
35int tps65090_fet_disable(unsigned int fet_id);
36
37/**
38 * Is FET enabled?
39 *
40 * @param fet_id FET ID, value between 1 and 7
41 * @return 1 enabled, 0 disabled, negative value on failure
42 */
43int tps65090_fet_is_enabled(unsigned int fet_id);
44
45/**
46 * Enable / disable the battery charger
47 *
48 * @param enable 0 to disable charging, non-zero to enable
49 */
50int tps65090_set_charge_enable(int enable);
51
52/**
53 * Check whether we have enabled battery charging
54 *
55 * @return 1 if enabled, 0 if disabled
56 */
57int tps65090_get_charging(void);
58
59/**
60 * Return the value of the status register
61 *
62 * @return status register value, or -1 on error
63 */
64int tps65090_get_status(void);
65
66/**
67 * Initialize the TPS65090 PMU.
68 *
69 * @return 0 on success, non-0 on failure
70 */
71int tps65090_init(void);
72
73#endif /* __TPS65090_PMIC_H_ */