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kernel/linux-rt-4.4.41/include/linux/platform_data/leds-lp55xx.h 2.04 KB
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  /*
   * LP55XX Platform Data Header
   *
   * Copyright (C) 2012 Texas Instruments
   *
   * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * version 2 as published by the Free Software Foundation.
   *
   * Derived from leds-lp5521.h, leds-lp5523.h
   */
  
  #ifndef _LEDS_LP55XX_H
  #define _LEDS_LP55XX_H
  
  /* Clock configuration */
  #define LP55XX_CLOCK_AUTO	0
  #define LP55XX_CLOCK_INT	1
  #define LP55XX_CLOCK_EXT	2
  
  struct lp55xx_led_config {
  	const char *name;
  	const char *default_trigger;
  	u8 chan_nr;
  	u8 led_current; /* mA x10, 0 if led is not connected */
  	u8 max_current;
  };
  
  struct lp55xx_predef_pattern {
  	const u8 *r;
  	const u8 *g;
  	const u8 *b;
  	u8 size_r;
  	u8 size_g;
  	u8 size_b;
  };
  
  enum lp8501_pwr_sel {
  	LP8501_ALL_VDD,		/* D1~9 are connected to VDD */
  	LP8501_6VDD_3VOUT,	/* D1~6 with VDD, D7~9 with VOUT */
  	LP8501_3VDD_6VOUT,	/* D1~6 with VOUT, D7~9 with VDD */
  	LP8501_ALL_VOUT,	/* D1~9 are connected to VOUT */
  };
  
  /*
   * struct lp55xx_platform_data
   * @led_config        : Configurable led class device
   * @num_channels      : Number of LED channels
   * @label             : Used for naming LEDs
   * @clock_mode        : Input clock mode. LP55XX_CLOCK_AUTO or _INT or _EXT
   * @setup_resources   : Platform specific function before enabling the chip
   * @release_resources : Platform specific function after  disabling the chip
   * @enable            : EN pin control by platform side
   * @patterns          : Predefined pattern data for RGB channels
   * @num_patterns      : Number of patterns
   * @update_config     : Value of CONFIG register
   */
  struct lp55xx_platform_data {
  
  	/* LED channel configuration */
  	struct lp55xx_led_config *led_config;
  	u8 num_channels;
  	const char *label;
  
  	/* Clock configuration */
  	u8 clock_mode;
  
  	/* optional enable GPIO */
  	int enable_gpio;
  
  	/* Predefined pattern data */
  	struct lp55xx_predef_pattern *patterns;
  	unsigned int num_patterns;
  
  	/* LP8501 specific */
  	enum lp8501_pwr_sel pwr_sel;
  };
  
  #endif /* _LEDS_LP55XX_H */