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         u8 chan_nr;
  26         u8 led_current; /* mA x10, 0 if led is not connected */
  27         u8 max_current;
  28 };
  29
  30 struct lp55xx_predef_pattern {
  31         const u8 *r;
  32         const u8 *g;
  33         const u8 *b;
  34         u8 size_r;
  35         u8 size_g;
  36         u8 size_b;
  37 };
  38
  39 enum lp8501_pwr_sel {
  40         LP8501_ALL_VDD,         /* D1~9 are connected to VDD */
  41         LP8501_6VDD_3VOUT,      /* D1~6 with VDD, D7~9 with VOUT */
  42         LP8501_3VDD_6VOUT,      /* D1~6 with VOUT, D7~9 with VDD */
  43         LP8501_ALL_VOUT,        /* D1~9 are connected to VOUT */
  44 };
  45
  46 /*
  47  * struct lp55xx_platform_data
  48  * @led_config        : Configurable led class device
  49  * @num_channels      : Number of LED channels
  50  * @label             : Used for naming LEDs
  51  * @clock_mode        : Input clock mode. LP55XX_CLOCK_AUTO or _INT or _EXT
  52  * @setup_resources   : Platform specific function before enabling the chip
  53  * @release_resources : Platform specific function after  disabling the chip
  54  * @enable            : EN pin control by platform side
  55  * @patterns          : Predefined pattern data for RGB channels
  56  * @num_patterns      : Number of patterns
  57  * @update_config     : Value of CONFIG register
  58  */
  59 struct lp55xx_platform_data {
  60
  61         /* LED channel configuration */
  62         struct lp55xx_led_config *led_config;
  63         u8 num_channels;
  64         const char *label;
  65
  66         /* Clock configuration */
  67         u8 clock_mode;
  68
  69         /* Platform specific functions */
  70         int (*setup_resources)(void);
  71         void (*release_resources)(void);
  72         void (*enable)(bool state);
  73
  74         /* Predefined pattern data */
  75         struct lp55xx_predef_pattern *patterns;
  76         unsigned int num_patterns;
  77
  78         /* LP8501 specific */
  79         enum lp8501_pwr_sel pwr_sel;
  80 };
  81
  82 #endif /* _LEDS_LP55XX_H */