2 * Simple driver for Texas Instruments LM3630A LED Flash driver chip
3 * Copyright (C) 2012 Texas Instruments
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
11 #ifndef __LINUX_LM3630A_H
12 #define __LINUX_LM3630A_H
14 #define LM3630A_NAME "lm3630a_bl"
16 enum lm3630a_pwm_ctrl {
17 LM3630A_PWM_DISABLE = 0x00,
21 LM3630A_PWM_BANK_A_ACT_LOW = 0x05,
22 LM3630A_PWM_BANK_B_ACT_LOW,
23 LM3630A_PWM_BANK_ALL_ACT_LOW,
26 enum lm3630a_leda_ctrl {
27 LM3630A_LEDA_DISABLE = 0x00,
28 LM3630A_LEDA_ENABLE = 0x04,
29 LM3630A_LEDA_ENABLE_LINEAR = 0x14,
32 enum lm3630a_ledb_ctrl {
33 LM3630A_LEDB_DISABLE = 0x00,
34 LM3630A_LEDB_ON_A = 0x01,
35 LM3630A_LEDB_ENABLE = 0x02,
36 LM3630A_LEDB_ENABLE_LINEAR = 0x0A,
39 #define LM3630A_MAX_BRIGHTNESS 255
41 *@leda_label : optional led a label.
42 *@leda_init_brt : led a init brightness. 4~255
43 *@leda_max_brt : led a max brightness. 4~255
44 *@leda_ctrl : led a disable, enable linear, enable exponential
45 *@ledb_label : optional led b label.
46 *@ledb_init_brt : led b init brightness. 4~255
47 *@ledb_max_brt : led b max brightness. 4~255
48 *@ledb_ctrl : led b disable, enable linear, enable exponential
49 *@pwm_period : pwm period
50 *@pwm_ctrl : pwm disable, bank a or b, active high or low
52 struct lm3630a_platform_data {
55 const char *leda_label;
58 enum lm3630a_leda_ctrl leda_ctrl;
60 const char *ledb_label;
63 enum lm3630a_ledb_ctrl ledb_ctrl;
65 unsigned int pwm_period;
66 enum lm3630a_pwm_ctrl pwm_ctrl;
69 #endif /* __LINUX_LM3630A_H */