include/hw/misc/pca9552_regs.h

   1 /*
   2  * PCA9552 I2C LED blinker registers
   3  *
   4  * Copyright (c) 2017-2018, IBM Corporation.
   5  *
   6  * This work is licensed under the terms of the GNU GPL, version 2 or
   7  * later. See the COPYING file in the top-level directory.
   8  */
   9 #ifndef PCA9552_REGS_H
  10 #define PCA9552_REGS_H
  11
  12 /*
  13  * Bits [0:3] are used to address a specific register.
  14  */
  15 #define PCA9552_INPUT0   0 /* read only input register 0 */
  16 #define PCA9552_INPUT1   1 /* read only input register 1  */
  17 #define PCA9552_PSC0     2 /* read/write frequency prescaler 0 */
  18 #define PCA9552_PWM0     3 /* read/write PWM register 0 */
  19 #define PCA9552_PSC1     4 /* read/write frequency prescaler 1 */
  20 #define PCA9552_PWM1     5 /* read/write PWM register 1 */
  21 #define PCA9552_LS0      6 /* read/write LED0 to LED3 selector */
  22 #define PCA9552_LS1      7 /* read/write LED4 to LED7 selector */
  23 #define PCA9552_LS2      8 /* read/write LED8 to LED11 selector */
  24 #define PCA9552_LS3      9 /* read/write LED12 to LED15 selector */
  25
  26 /*
  27  * Bit [4] is used to activate the Auto-Increment option of the
  28  * register address
  29  */
  30 #define PCA9552_AUTOINC  (1 << 4)
  31
  32 #endif