xref: /linux/include/linux/mfd/samsung/rtc.h (revision e9ef810dfee7a2227da9d423aecb0ced35faddbe)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd
4  *              http://www.samsung.com
5  */
6 
7 #ifndef __LINUX_MFD_SEC_RTC_H
8 #define __LINUX_MFD_SEC_RTC_H
9 
10 enum s5m_rtc_reg {
11 	S5M_RTC_SEC,
12 	S5M_RTC_MIN,
13 	S5M_RTC_HOUR,
14 	S5M_RTC_WEEKDAY,
15 	S5M_RTC_DATE,
16 	S5M_RTC_MONTH,
17 	S5M_RTC_YEAR1,
18 	S5M_RTC_YEAR2,
19 	S5M_ALARM0_SEC,
20 	S5M_ALARM0_MIN,
21 	S5M_ALARM0_HOUR,
22 	S5M_ALARM0_WEEKDAY,
23 	S5M_ALARM0_DATE,
24 	S5M_ALARM0_MONTH,
25 	S5M_ALARM0_YEAR1,
26 	S5M_ALARM0_YEAR2,
27 	S5M_ALARM1_SEC,
28 	S5M_ALARM1_MIN,
29 	S5M_ALARM1_HOUR,
30 	S5M_ALARM1_WEEKDAY,
31 	S5M_ALARM1_DATE,
32 	S5M_ALARM1_MONTH,
33 	S5M_ALARM1_YEAR1,
34 	S5M_ALARM1_YEAR2,
35 	S5M_ALARM0_CONF,
36 	S5M_ALARM1_CONF,
37 	S5M_RTC_STATUS,
38 	S5M_WTSR_SMPL_CNTL,
39 	S5M_RTC_UDR_CON,
40 
41 	S5M_RTC_REG_MAX,
42 };
43 
44 enum s2mps_rtc_reg {
45 	S2MPS_RTC_CTRL,
46 	S2MPS_WTSR_SMPL_CNTL,
47 	S2MPS_RTC_UDR_CON,
48 	S2MPS_RSVD,
49 	S2MPS_RTC_SEC,
50 	S2MPS_RTC_MIN,
51 	S2MPS_RTC_HOUR,
52 	S2MPS_RTC_WEEKDAY,
53 	S2MPS_RTC_DATE,
54 	S2MPS_RTC_MONTH,
55 	S2MPS_RTC_YEAR,
56 	S2MPS_ALARM0_SEC,
57 	S2MPS_ALARM0_MIN,
58 	S2MPS_ALARM0_HOUR,
59 	S2MPS_ALARM0_WEEKDAY,
60 	S2MPS_ALARM0_DATE,
61 	S2MPS_ALARM0_MONTH,
62 	S2MPS_ALARM0_YEAR,
63 	S2MPS_ALARM1_SEC,
64 	S2MPS_ALARM1_MIN,
65 	S2MPS_ALARM1_HOUR,
66 	S2MPS_ALARM1_WEEKDAY,
67 	S2MPS_ALARM1_DATE,
68 	S2MPS_ALARM1_MONTH,
69 	S2MPS_ALARM1_YEAR,
70 	S2MPS_OFFSRC,
71 
72 	S2MPS_RTC_REG_MAX,
73 };
74 
75 enum s2mpg10_rtc_reg {
76 	S2MPG10_RTC_CTRL,
77 	S2MPG10_RTC_UPDATE,
78 	S2MPG10_RTC_SMPL,
79 	S2MPG10_RTC_WTSR,
80 	S2MPG10_RTC_CAP_SEL,
81 	S2MPG10_RTC_MSEC,
82 	S2MPG10_RTC_SEC,
83 	S2MPG10_RTC_MIN,
84 	S2MPG10_RTC_HOUR,
85 	S2MPG10_RTC_WEEK,
86 	S2MPG10_RTC_DAY,
87 	S2MPG10_RTC_MON,
88 	S2MPG10_RTC_YEAR,
89 	S2MPG10_RTC_A0SEC,
90 	S2MPG10_RTC_A0MIN,
91 	S2MPG10_RTC_A0HOUR,
92 	S2MPG10_RTC_A0WEEK,
93 	S2MPG10_RTC_A0DAY,
94 	S2MPG10_RTC_A0MON,
95 	S2MPG10_RTC_A0YEAR,
96 	S2MPG10_RTC_A1SEC,
97 	S2MPG10_RTC_A1MIN,
98 	S2MPG10_RTC_A1HOUR,
99 	S2MPG10_RTC_A1WEEK,
100 	S2MPG10_RTC_A1DAY,
101 	S2MPG10_RTC_A1MON,
102 	S2MPG10_RTC_A1YEAR,
103 	S2MPG10_RTC_OSC_CTRL,
104 };
105 
106 #define RTC_I2C_ADDR		(0x0C >> 1)
107 
108 #define HOUR_12			(1 << 7)
109 #define HOUR_AMPM		(1 << 6)
110 #define HOUR_PM			(1 << 5)
111 #define S5M_ALARM0_STATUS	(1 << 1)
112 #define S5M_ALARM1_STATUS	(1 << 2)
113 #define S5M_UPDATE_AD		(1 << 0)
114 
115 #define S2MPS_ALARM0_STATUS	(1 << 2)
116 #define S2MPS_ALARM1_STATUS	(1 << 1)
117 
118 /* RTC Control Register */
119 #define BCD_EN_SHIFT		0
120 #define BCD_EN_MASK		(1 << BCD_EN_SHIFT)
121 #define MODEL24_SHIFT		1
122 #define MODEL24_MASK		(1 << MODEL24_SHIFT)
123 /* RTC Update Register1 */
124 #define S5M_RTC_UDR_SHIFT	0
125 #define S5M_RTC_UDR_MASK	(1 << S5M_RTC_UDR_SHIFT)
126 #define S2MPS_RTC_WUDR_SHIFT	4
127 #define S2MPS_RTC_WUDR_MASK	(1 << S2MPS_RTC_WUDR_SHIFT)
128 #define S2MPS15_RTC_AUDR_SHIFT	4
129 #define S2MPS15_RTC_AUDR_MASK	(1 << S2MPS15_RTC_AUDR_SHIFT)
130 #define S2MPS13_RTC_AUDR_SHIFT	1
131 #define S2MPS13_RTC_AUDR_MASK	(1 << S2MPS13_RTC_AUDR_SHIFT)
132 #define S2MPS15_RTC_WUDR_SHIFT	1
133 #define S2MPS15_RTC_WUDR_MASK	(1 << S2MPS15_RTC_WUDR_SHIFT)
134 #define S2MPS_RTC_RUDR_SHIFT	0
135 #define S2MPS_RTC_RUDR_MASK	(1 << S2MPS_RTC_RUDR_SHIFT)
136 #define RTC_TCON_SHIFT		1
137 #define RTC_TCON_MASK		(1 << RTC_TCON_SHIFT)
138 #define S5M_RTC_TIME_EN_SHIFT	3
139 #define S5M_RTC_TIME_EN_MASK	(1 << S5M_RTC_TIME_EN_SHIFT)
140 /*
141  * UDR_T field in S5M_RTC_UDR_CON register determines the time needed
142  * for updating alarm and time registers. Default is 7.32 ms.
143  */
144 #define S5M_RTC_UDR_T_SHIFT	6
145 #define S5M_RTC_UDR_T_MASK	(0x3 << S5M_RTC_UDR_T_SHIFT)
146 #define S5M_RTC_UDR_T_7320_US	(0x0 << S5M_RTC_UDR_T_SHIFT)
147 #define S5M_RTC_UDR_T_1830_US	(0x1 << S5M_RTC_UDR_T_SHIFT)
148 #define S5M_RTC_UDR_T_3660_US	(0x2 << S5M_RTC_UDR_T_SHIFT)
149 #define S5M_RTC_UDR_T_450_US	(0x3 << S5M_RTC_UDR_T_SHIFT)
150 
151 /* RTC Hour register */
152 #define HOUR_PM_SHIFT		6
153 #define HOUR_PM_MASK		(1 << HOUR_PM_SHIFT)
154 /* RTC Alarm Enable */
155 #define ALARM_ENABLE_SHIFT	7
156 #define ALARM_ENABLE_MASK	(1 << ALARM_ENABLE_SHIFT)
157 
158 /* WTSR & SMPL registers */
159 #define SMPL_ENABLE_SHIFT	7
160 #define SMPL_ENABLE_MASK	(1 << SMPL_ENABLE_SHIFT)
161 
162 #define WTSR_ENABLE_SHIFT	6
163 #define WTSR_ENABLE_MASK	(1 << WTSR_ENABLE_SHIFT)
164 
165 #define S2MPG10_WTSR_COLDTIMER	GENMASK(6, 5)
166 #define S2MPG10_WTSR_COLDRST	BIT(4)
167 #define S2MPG10_WTSR_WTSRT	GENMASK(3, 1)
168 #define S2MPG10_WTSR_WTSR_EN	BIT(0)
169 
170 #endif /*  __LINUX_MFD_SEC_RTC_H */
171