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kernel/linux-imx6_3.14.28/include/linux/mfd/htc-pasic3.h 1.2 KB
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  /*
   * HTC PASIC3 driver - LEDs and DS1WM
   *
   * Copyright (c) 2007 Philipp Zabel <philipp.zabel@gmail.com>
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file COPYING in the main directory of this archive for
   * more details.
   *
   */
  
  #ifndef __PASIC3_H
  #define __PASIC3_H
  
  #include <linux/platform_device.h>
  #include <linux/leds.h>
  
  extern void pasic3_write_register(struct device *dev, u32 reg, u8 val);
  extern u8 pasic3_read_register(struct device *dev, u32 reg);
  
  /*
   * mask for registers 0x20,0x21,0x22
   */
  #define PASIC3_MASK_LED0 0x04
  #define PASIC3_MASK_LED1 0x08
  #define PASIC3_MASK_LED2 0x40
  
  /*
   * bits in register 0x06
   */
  #define PASIC3_BIT2_LED0 0x08
  #define PASIC3_BIT2_LED1 0x10
  #define PASIC3_BIT2_LED2 0x20
  
  struct pasic3_led {
  	struct led_classdev         led;
  	unsigned int                hw_num;
  	unsigned int                bit2;
  	unsigned int                mask;
  	struct pasic3_leds_machinfo *pdata;
  };
  
  struct pasic3_leds_machinfo {
  	unsigned int      num_leds;
  	unsigned int      power_gpio;
  	struct pasic3_led *leds;
  };
  
  struct pasic3_platform_data {
  	struct pasic3_leds_machinfo *led_pdata;
  	unsigned int                 clock_rate;
  };
  
  #endif