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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
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