xref: /rk3399_ARM-atf/plat/mediatek/mt8173/drivers/rtc/rtc.h (revision 7d116dccab2249a692181ba9521a52277e86591c)
1*7d116dccSCC Ma /*
2*7d116dccSCC Ma  * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
3*7d116dccSCC Ma  *
4*7d116dccSCC Ma  * Redistribution and use in source and binary forms, with or without
5*7d116dccSCC Ma  * modification, are permitted provided that the following conditions are met:
6*7d116dccSCC Ma  *
7*7d116dccSCC Ma  * Redistributions of source code must retain the above copyright notice, this
8*7d116dccSCC Ma  * list of conditions and the following disclaimer.
9*7d116dccSCC Ma  *
10*7d116dccSCC Ma  * Redistributions in binary form must reproduce the above copyright notice,
11*7d116dccSCC Ma  * this list of conditions and the following disclaimer in the documentation
12*7d116dccSCC Ma  * and/or other materials provided with the distribution.
13*7d116dccSCC Ma  *
14*7d116dccSCC Ma  * Neither the name of ARM nor the names of its contributors may be used
15*7d116dccSCC Ma  * to endorse or promote products derived from this software without specific
16*7d116dccSCC Ma  * prior written permission.
17*7d116dccSCC Ma  *
18*7d116dccSCC Ma  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19*7d116dccSCC Ma  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20*7d116dccSCC Ma  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21*7d116dccSCC Ma  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22*7d116dccSCC Ma  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23*7d116dccSCC Ma  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24*7d116dccSCC Ma  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25*7d116dccSCC Ma  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26*7d116dccSCC Ma  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27*7d116dccSCC Ma  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28*7d116dccSCC Ma  * POSSIBILITY OF SUCH DAMAGE.
29*7d116dccSCC Ma  */
30*7d116dccSCC Ma 
31*7d116dccSCC Ma #ifndef __PLAT_DRIVER_RTC_H__
32*7d116dccSCC Ma #define __PLAT_DRIVER_RTC_H__
33*7d116dccSCC Ma 
34*7d116dccSCC Ma /* RTC registers */
35*7d116dccSCC Ma enum {
36*7d116dccSCC Ma 	RTC_BBPU = 0xE000,
37*7d116dccSCC Ma 	RTC_IRQ_STA = 0xE002,
38*7d116dccSCC Ma 	RTC_IRQ_EN = 0xE004,
39*7d116dccSCC Ma 	RTC_CII_EN = 0xE006
40*7d116dccSCC Ma };
41*7d116dccSCC Ma 
42*7d116dccSCC Ma enum {
43*7d116dccSCC Ma 	RTC_OSC32CON = 0xE026,
44*7d116dccSCC Ma 	RTC_CON = 0xE03E,
45*7d116dccSCC Ma 	RTC_WRTGR = 0xE03C
46*7d116dccSCC Ma };
47*7d116dccSCC Ma 
48*7d116dccSCC Ma enum {
49*7d116dccSCC Ma 	RTC_PDN1 = 0xE02C,
50*7d116dccSCC Ma 	RTC_PDN2 = 0xE02E,
51*7d116dccSCC Ma 	RTC_SPAR0 = 0xE030,
52*7d116dccSCC Ma 	RTC_SPAR1 = 0xE032,
53*7d116dccSCC Ma 	RTC_PROT = 0xE036,
54*7d116dccSCC Ma 	RTC_DIFF = 0xE038,
55*7d116dccSCC Ma 	RTC_CALI = 0xE03A
56*7d116dccSCC Ma };
57*7d116dccSCC Ma 
58*7d116dccSCC Ma enum {
59*7d116dccSCC Ma 	RTC_PROT_UNLOCK1 = 0x586A,
60*7d116dccSCC Ma 	RTC_PROT_UNLOCK2 = 0x9136
61*7d116dccSCC Ma };
62*7d116dccSCC Ma 
63*7d116dccSCC Ma enum {
64*7d116dccSCC Ma 	RTC_BBPU_PWREN	= 1U << 0,
65*7d116dccSCC Ma 	RTC_BBPU_BBPU	= 1U << 2,
66*7d116dccSCC Ma 	RTC_BBPU_AUTO	= 1U << 3,
67*7d116dccSCC Ma 	RTC_BBPU_CLRPKY	= 1U << 4,
68*7d116dccSCC Ma 	RTC_BBPU_RELOAD	= 1U << 5,
69*7d116dccSCC Ma 	RTC_BBPU_CBUSY	= 1U << 6
70*7d116dccSCC Ma };
71*7d116dccSCC Ma 
72*7d116dccSCC Ma enum {
73*7d116dccSCC Ma 	RTC_BBPU_KEY	= 0x43 << 8
74*7d116dccSCC Ma };
75*7d116dccSCC Ma 
76*7d116dccSCC Ma void rtc_bbpu_power_down(void);
77*7d116dccSCC Ma 
78*7d116dccSCC Ma #endif /* __PLAT_DRIVER_RTC_H__ */
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