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
21 enum ti_lmu_id {
22 LM3631,
23 LM3632,
24 LM3633,
25 LM3695,
26 LM36274,
27 LMU_MAX_ID,
28 };
29
30 enum 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
59 enum 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 */
81 struct 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