include/linux/platform_data/leds-lp55xx.h

   1 /*
   2  * LP55XX Platform Data Header
   3  *
   4  * Copyright (C) 2012 Texas Instruments
   5  *
   6  * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * version 2 as published by the Free Software Foundation.
  11  *
  12  * Derived from leds-lp5521.h, leds-lp5523.h
  13  */
  14
  15 #ifndef _LEDS_LP55XX_H
  16 #define _LEDS_LP55XX_H
  17
  18 /* Clock configuration */
  19 #define LP55XX_CLOCK_AUTO       0
  20 #define LP55XX_CLOCK_INT        1
  21 #define LP55XX_CLOCK_EXT        2
  22
  23 struct lp55xx_led_config {
  24         const char *name;
  25         const char *default_trigger;
  26         u8 chan_nr;
  27         u8 led_current; /* mA x10, 0 if led is not connected */
  28         u8 max_current;
  29 };
  30
  31 struct lp55xx_predef_pattern {
  32         const u8 *r;
  33         const u8 *g;
  34         const u8 *b;
  35         u8 size_r;
  36         u8 size_g;
  37         u8 size_b;
  38 };
  39
  40 enum lp8501_pwr_sel {
  41         LP8501_ALL_VDD,         /* D1~9 are connected to VDD */
  42         LP8501_6VDD_3VOUT,      /* D1~6 with VDD, D7~9 with VOUT */
  43         LP8501_3VDD_6VOUT,      /* D1~6 with VOUT, D7~9 with VDD */
  44         LP8501_ALL_VOUT,        /* D1~9 are connected to VOUT */
  45 };
  46
  47 /*
  48  * struct lp55xx_platform_data
  49  * @led_config        : Configurable led class device
  50  * @num_channels      : Number of LED channels
  51  * @label             : Used for naming LEDs
  52  * @clock_mode        : Input clock mode. LP55XX_CLOCK_AUTO or _INT or _EXT
  53  * @setup_resources   : Platform specific function before enabling the chip
  54  * @release_resources : Platform specific function after  disabling the chip
  55  * @enable            : EN pin control by platform side
  56  * @patterns          : Predefined pattern data for RGB channels
  57  * @num_patterns      : Number of patterns
  58  * @update_config     : Value of CONFIG register
  59  */
  60 struct lp55xx_platform_data {
  61
  62         /* LED channel configuration */
  63         struct lp55xx_led_config *led_config;
  64         u8 num_channels;
  65         const char *label;
  66
  67         /* Clock configuration */
  68         u8 clock_mode;
  69
  70         /* optional enable GPIO */
  71         int enable_gpio;
  72
  73         /* Predefined pattern data */
  74         struct lp55xx_predef_pattern *patterns;
  75         unsigned int num_patterns;
  76
  77         /* LP8501 specific */
  78         enum lp8501_pwr_sel pwr_sel;
  79 };
  80
  81 #endif /* _LEDS_LP55XX_H */