1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3* Simple driver for Texas Instruments LM3630A LED Flash driver chip
4* Copyright (C) 2012 Texas Instruments
5*/
6
7#ifndef __LINUX_LM3630A_H
8#define __LINUX_LM3630A_H
9
10#define LM3630A_NAME "lm3630a_bl"
11
12enum lm3630a_pwm_ctrl {
13	LM3630A_PWM_DISABLE = 0x00,
14	LM3630A_PWM_BANK_A,
15	LM3630A_PWM_BANK_B,
16	LM3630A_PWM_BANK_ALL,
17	LM3630A_PWM_BANK_A_ACT_LOW = 0x05,
18	LM3630A_PWM_BANK_B_ACT_LOW,
19	LM3630A_PWM_BANK_ALL_ACT_LOW,
20};
21
22enum lm3630a_leda_ctrl {
23	LM3630A_LEDA_DISABLE = 0x00,
24	LM3630A_LEDA_ENABLE = 0x04,
25	LM3630A_LEDA_ENABLE_LINEAR = 0x14,
26};
27
28enum lm3630a_ledb_ctrl {
29	LM3630A_LEDB_DISABLE = 0x00,
30	LM3630A_LEDB_ON_A = 0x01,
31	LM3630A_LEDB_ENABLE = 0x02,
32	LM3630A_LEDB_ENABLE_LINEAR = 0x0A,
33};
34
35#define LM3630A_MAX_BRIGHTNESS 255
36/*
37 *@leda_label    : optional led a label.
38 *@leda_init_brt : led a init brightness. 4~255
39 *@leda_max_brt  : led a max brightness.  4~255
40 *@leda_ctrl     : led a disable, enable linear, enable exponential
41 *@ledb_label    : optional led b label.
42 *@ledb_init_brt : led b init brightness. 4~255
43 *@ledb_max_brt  : led b max brightness.  4~255
44 *@ledb_ctrl     : led b disable, enable linear, enable exponential
45 *@pwm_period    : pwm period
46 *@pwm_ctrl      : pwm disable, bank a or b, active high or low
47 */
48struct lm3630a_platform_data {
49
50	/* led a config.  */
51	const char *leda_label;
52	int leda_init_brt;
53	int leda_max_brt;
54	enum lm3630a_leda_ctrl leda_ctrl;
55	/* led b config. */
56	const char *ledb_label;
57	int ledb_init_brt;
58	int ledb_max_brt;
59	enum lm3630a_ledb_ctrl ledb_ctrl;
60	/* pwm config. */
61	unsigned int pwm_period;
62	enum lm3630a_pwm_ctrl pwm_ctrl;
63};
64
65#endif /* __LINUX_LM3630A_H */
66