include/linux/platform_data/lm3630a_bl.h

   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
  12 enum 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
  22 enum lm3630a_leda_ctrl {
  23         LM3630A_LEDA_DISABLE = 0x00,
  24         LM3630A_LEDA_ENABLE = 0x04,
  25         LM3630A_LEDA_ENABLE_LINEAR = 0x14,
  26 };
  27
  28 enum 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  */
  48 struct 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 */