tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * TI LMU (Lighting Management Unit) Devices
3 *
4 * Copyright 2017 Texas Instruments
5 *
6 * Author: Milo Kim <milo.kim@ti.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#ifndef __MFD_TI_LMU_H__
14#define __MFD_TI_LMU_H__
15
16#include <linux/gpio.h>
17#include <linux/notifier.h>
18#include <linux/regmap.h>
19#include <linux/gpio/consumer.h>
20
21/* Notifier event */
22#define LMU_EVENT_MONITOR_DONE 0x01
23
24enum ti_lmu_id {
25 LM3631,
26 LM3632,
27 LM3633,
28 LM3695,
29 LM3697,
30 LMU_MAX_ID,
31};
32
33enum ti_lmu_max_current {
34 LMU_IMAX_5mA,
35 LMU_IMAX_6mA,
36 LMU_IMAX_7mA = 0x03,
37 LMU_IMAX_8mA,
38 LMU_IMAX_9mA,
39 LMU_IMAX_10mA = 0x07,
40 LMU_IMAX_11mA,
41 LMU_IMAX_12mA,
42 LMU_IMAX_13mA,
43 LMU_IMAX_14mA,
44 LMU_IMAX_15mA = 0x0D,
45 LMU_IMAX_16mA,
46 LMU_IMAX_17mA,
47 LMU_IMAX_18mA,
48 LMU_IMAX_19mA,
49 LMU_IMAX_20mA = 0x13,
50 LMU_IMAX_21mA,
51 LMU_IMAX_22mA,
52 LMU_IMAX_23mA = 0x17,
53 LMU_IMAX_24mA,
54 LMU_IMAX_25mA,
55 LMU_IMAX_26mA,
56 LMU_IMAX_27mA = 0x1C,
57 LMU_IMAX_28mA,
58 LMU_IMAX_29mA,
59 LMU_IMAX_30mA,
60};
61
62enum lm363x_regulator_id {
63 LM3631_BOOST, /* Boost output */
64 LM3631_LDO_CONT, /* Display panel controller */
65 LM3631_LDO_OREF, /* Gamma reference */
66 LM3631_LDO_POS, /* Positive display bias output */
67 LM3631_LDO_NEG, /* Negative display bias output */
68 LM3632_BOOST, /* Boost output */
69 LM3632_LDO_POS, /* Positive display bias output */
70 LM3632_LDO_NEG, /* Negative display bias output */
71};
72
73/**
74 * struct ti_lmu
75 *
76 * @dev: Parent device pointer
77 * @regmap: Used for i2c communcation on accessing registers
78 * @en_gpio: GPIO for HWEN pin [Optional]
79 * @notifier: Notifier for reporting hwmon event
80 */
81struct ti_lmu {
82 struct device *dev;
83 struct regmap *regmap;
84 struct gpio_desc *en_gpio;
85 struct blocking_notifier_head notifier;
86};
87#endif