xref: /openbmc/u-boot/drivers/rtc/mvrtc.h (revision 274bced8)
1 /*
2  * Copyright (C) 2011
3  * Jason Cooper <u-boot@lakedaemon.net>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 /*
9  * Date & Time support for Marvell Integrated RTC
10  */
11 
12 #ifndef _MVRTC_H_
13 #define _MVRTC_H_
14 
15 #include <asm/arch/soc.h>
16 #include <linux/compiler.h>
17 
18 /* RTC registers */
19 struct mvrtc_registers {
20 	u32 time;
21 	u32 date;
22 };
23 
24 /* time register */
25 #define MVRTC_SEC_SFT		0
26 #define MVRTC_SEC_MSK		0x7f
27 #define MVRTC_MIN_SFT		8
28 #define MVRTC_MIN_MSK		0x7f
29 #define MVRTC_HOUR_SFT		16
30 #define MVRTC_HOUR_MSK		0x3f
31 #define MVRTC_DAY_SFT		24
32 #define MVRTC_DAY_MSK		0x7
33 
34 /*
35  * Hour format bit
36  *   1 = 12 hour clock
37  *   0 = 24 hour clock
38  */
39 #define MVRTC_HRFMT_MSK		0x00400000
40 
41 /* date register */
42 #define MVRTC_DATE_SFT		0
43 #define MVRTC_DATE_MSK		0x3f
44 #define MVRTC_MON_SFT		8
45 #define MVRTC_MON_MSK		0x1f
46 #define MVRTC_YEAR_SFT		16
47 #define MVRTC_YEAR_MSK		0xff
48 
49 #endif
50