1 /*
2  * Copyright (c) 2020-2022, MediaTek Inc. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef RTC_MT6359P_H
8 #define RTC_MT6359P_H
9 
10 /* RTC registers */
11 enum {
12 	RTC_BBPU = 0x0588,
13 	RTC_IRQ_STA = 0x058A,
14 	RTC_IRQ_EN = 0x058C,
15 	RTC_CII_EN = 0x058E
16 };
17 
18 enum {
19 	RTC_AL_SEC = 0x05A0,
20 	RTC_AL_MIN = 0x05A2,
21 	RTC_AL_HOU = 0x05A4,
22 	RTC_AL_DOM = 0x05A6,
23 	RTC_AL_DOW = 0x05A8,
24 	RTC_AL_MTH = 0x05AA,
25 	RTC_AL_YEA = 0x05AC,
26 	RTC_AL_MASK = 0x0590
27 };
28 
29 enum {
30 	RTC_OSC32CON = 0x05AE,
31 	RTC_CON = 0x05C4,
32 	RTC_WRTGR = 0x05C2
33 };
34 
35 enum {
36 	RTC_POWERKEY1 = 0x05B0,
37 	RTC_POWERKEY2 = 0x05B2
38 };
39 
40 enum {
41 	RTC_POWERKEY1_KEY	= 0xA357,
42 	RTC_POWERKEY2_KEY	= 0x67D2
43 };
44 
45 enum {
46 	RTC_PDN1 = 0x05B4,
47 	RTC_PDN2 = 0x05B6,
48 	RTC_SPAR0 = 0x05B8,
49 	RTC_SPAR1 = 0x05BA,
50 	RTC_PROT = 0x05BC,
51 	RTC_DIFF = 0x05BE,
52 	RTC_CALI = 0x05C0
53 };
54 
55 enum {
56 	RTC_OSC32CON_UNLOCK1 = 0x1A57,
57 	RTC_OSC32CON_UNLOCK2 = 0x2B68
58 };
59 
60 enum {
61 	RTC_LPD_EN = 0x0406,
62 	RTC_LPD_RST = 0x040E
63 };
64 
65 enum {
66 	RTC_LPD_OPT_XOSC_AND_EOSC_LPD	= 0U << 13,
67 	RTC_LPD_OPT_EOSC_LPD		= 1U << 13,
68 	RTC_LPD_OPT_XOSC_LPD		= 2U << 13,
69 	RTC_LPD_OPT_F32K_CK_ALIVE	= 3U << 13,
70 };
71 
72 #define RTC_LPD_OPT_MASK	(3U << 13)
73 
74 enum {
75 	RTC_PROT_UNLOCK1 = 0x586A,
76 	RTC_PROT_UNLOCK2 = 0x9136
77 };
78 
79 enum {
80 	RTC_BBPU_PWREN	= 1U << 0,
81 	RTC_BBPU_SPAR_SW	= 1U << 1,
82 	RTC_BBPU_RESET_SPAR	= 1U << 2,
83 	RTC_BBPU_RESET_ALARM	= 1U << 3,
84 	RTC_BBPU_CLRPKY	= 1U << 4,
85 	RTC_BBPU_RELOAD	= 1U << 5,
86 	RTC_BBPU_CBUSY	= 1U << 6
87 };
88 
89 enum {
90 	RTC_AL_MASK_SEC = 1U << 0,
91 	RTC_AL_MASK_MIN = 1U << 1,
92 	RTC_AL_MASK_HOU = 1U << 2,
93 	RTC_AL_MASK_DOM = 1U << 3,
94 	RTC_AL_MASK_DOW = 1U << 4,
95 	RTC_AL_MASK_MTH = 1U << 5,
96 	RTC_AL_MASK_YEA = 1U << 6
97 };
98 
99 enum {
100 	RTC_BBPU_AUTO_PDN_SEL = 1U << 6,
101 	RTC_BBPU_2SEC_CK_SEL = 1U << 7,
102 	RTC_BBPU_2SEC_EN = 1U << 8,
103 	RTC_BBPU_2SEC_MODE = 0x3 << 9,
104 	RTC_BBPU_2SEC_STAT_CLEAR = 1U << 11,
105 	RTC_BBPU_2SEC_STAT_STA = 1U << 12
106 };
107 
108 enum {
109 	RTC_BBPU_KEY	= 0x43 << 8
110 };
111 
112 enum {
113 	RTC_EMBCK_SRC_SEL	= 1 << 8,
114 	RTC_EMBCK_SEL_MODE	= 3 << 6,
115 	RTC_XOSC32_ENB		= 1 << 5,
116 	RTC_REG_XOSC32_ENB	= 1 << 15
117 };
118 
119 enum {
120 	RTC_K_EOSC_RSV_0	= 1 << 8,
121 	RTC_K_EOSC_RSV_1	= 1 << 9,
122 	RTC_K_EOSC_RSV_2	= 1 << 10
123 };
124 
125 enum {
126 	RTC_RG_EOSC_CALI_TD_1SEC	= 3 << 5,
127 	RTC_RG_EOSC_CALI_TD_2SEC	= 4 << 5,
128 	RTC_RG_EOSC_CALI_TD_4SEC	= 5 << 5,
129 	RTC_RG_EOSC_CALI_TD_8SEC	= 6 << 5,
130 	RTC_RG_EOSC_CALI_TD_16SEC	= 7 << 5,
131 	RTC_RG_EOSC_CALI_TD_MASK	= 7 << 5
132 };
133 
134 /* PMIC TOP Register Definition */
135 enum {
136 	PMIC_RG_TOP_CON = 0x0020,
137 	PMIC_RG_TOP_CKPDN_CON1 = 0x0112,
138 	PMIC_RG_TOP_CKPDN_CON1_SET = 0x0114,
139 	PMIC_RG_TOP_CKPDN_CON1_CLR = 0x0116,
140 	PMIC_RG_TOP_CKSEL_CON0 = 0x0118,
141 	PMIC_RG_TOP_CKSEL_CON0_SET = 0x011A,
142 	PMIC_RG_TOP_CKSEL_CON0_CLR = 0x011C
143 };
144 
145 /* PMIC SCK Register Definition */
146 enum {
147 	PMIC_RG_SCK_TOP_CKPDN_CON0 = 0x0514,
148 	PMIC_RG_SCK_TOP_CKPDN_CON0_SET = 0x0516,
149 	PMIC_RG_SCK_TOP_CKPDN_CON0_CLR = 0x0518,
150 	PMIC_RG_EOSC_CALI_CON0 = 0x53A
151 };
152 
153 enum {
154 	PMIC_EOSC_CALI_START_ADDR = 0x53A
155 };
156 
157 enum {
158 	PMIC_EOSC_CALI_START_MASK = 0x1,
159 	PMIC_EOSC_CALI_START_SHIFT = 0
160 };
161 
162 /* PMIC DCXO Register Definition */
163 enum {
164 	PMIC_RG_DCXO_CW00 = 0x0788,
165 	PMIC_RG_DCXO_CW02 = 0x0790,
166 	PMIC_RG_DCXO_CW08 = 0x079C,
167 	PMIC_RG_DCXO_CW09 = 0x079E,
168 	PMIC_RG_DCXO_CW09_CLR = 0x07A2,
169 	PMIC_RG_DCXO_CW10 = 0x07A4,
170 	PMIC_RG_DCXO_CW12 = 0x07A8,
171 	PMIC_RG_DCXO_CW13 = 0x07AA,
172 	PMIC_RG_DCXO_CW15 = 0x07AE,
173 	PMIC_RG_DCXO_CW19 = 0x07B6,
174 };
175 
176 enum {
177 	PMIC_RG_SRCLKEN_IN0_HW_MODE_MASK = 0x1,
178 	PMIC_RG_SRCLKEN_IN0_HW_MODE_SHIFT = 1,
179 	PMIC_RG_SRCLKEN_IN1_HW_MODE_MASK = 0x1,
180 	PMIC_RG_SRCLKEN_IN1_HW_MODE_SHIFT = 3,
181 	PMIC_RG_RTC_EOSC32_CK_PDN_MASK = 0x1,
182 	PMIC_RG_RTC_EOSC32_CK_PDN_SHIFT = 2,
183 	PMIC_RG_EOSC_CALI_TD_MASK = 0x7,
184 	PMIC_RG_EOSC_CALI_TD_SHIFT = 5,
185 	PMIC_RG_XO_EN32K_MAN_MASK = 0x1,
186 	PMIC_RG_XO_EN32K_MAN_SHIFT = 0
187 };
188 
189 /* external API */
190 uint16_t RTC_Read(uint32_t addr);
191 void RTC_Write(uint32_t addr, uint16_t data);
192 int32_t rtc_busy_wait(void);
193 int32_t RTC_Write_Trigger(void);
194 int32_t Writeif_unlock(void);
195 void rtc_power_off_sequence(void);
196 
197 #endif /* RTC_MT6359P_H */
198