ti-lmu.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * TI LMU (Lighting Management Unit) Devices
 4 *
 5 * Copyright 2017 Texas Instruments
 6 *
 7 * Author: Milo Kim <milo.kim@ti.com>
 8 */
 9
10#ifndef __MFD_TI_LMU_H__
11#define __MFD_TI_LMU_H__
12
13#include <linux/gpio.h>
14#include <linux/notifier.h>
15#include <linux/regmap.h>
16#include <linux/gpio/consumer.h>
17
18/* Notifier event */
19#define LMU_EVENT_MONITOR_DONE		0x01
20
21enum ti_lmu_id {
22	LM3631,
23	LM3632,
24	LM3633,
25	LM3695,
26	LM36274,
27	LMU_MAX_ID,
28};
29
30enum ti_lmu_max_current {
31	LMU_IMAX_5mA,
32	LMU_IMAX_6mA,
33	LMU_IMAX_7mA = 0x03,
34	LMU_IMAX_8mA,
35	LMU_IMAX_9mA,
36	LMU_IMAX_10mA = 0x07,
37	LMU_IMAX_11mA,
38	LMU_IMAX_12mA,
39	LMU_IMAX_13mA,
40	LMU_IMAX_14mA,
41	LMU_IMAX_15mA = 0x0D,
42	LMU_IMAX_16mA,
43	LMU_IMAX_17mA,
44	LMU_IMAX_18mA,
45	LMU_IMAX_19mA,
46	LMU_IMAX_20mA = 0x13,
47	LMU_IMAX_21mA,
48	LMU_IMAX_22mA,
49	LMU_IMAX_23mA = 0x17,
50	LMU_IMAX_24mA,
51	LMU_IMAX_25mA,
52	LMU_IMAX_26mA,
53	LMU_IMAX_27mA = 0x1C,
54	LMU_IMAX_28mA,
55	LMU_IMAX_29mA,
56	LMU_IMAX_30mA,
57};
58
59enum lm363x_regulator_id {
60	LM3631_BOOST,		/* Boost output */
61	LM3631_LDO_CONT,	/* Display panel controller */
62	LM3631_LDO_OREF,	/* Gamma reference */
63	LM3631_LDO_POS,		/* Positive display bias output */
64	LM3631_LDO_NEG,		/* Negative display bias output */
65	LM3632_BOOST,		/* Boost output */
66	LM3632_LDO_POS,		/* Positive display bias output */
67	LM3632_LDO_NEG,		/* Negative display bias output */
68	LM36274_BOOST,		/* Boost output */
69	LM36274_LDO_POS,	/* Positive display bias output */
70	LM36274_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