xref: /qemu/include/hw/gpio/pca9552_regs.h (revision 6328d8ff)
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