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 33