1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/* Copyright (C) 2024 ROHM Semiconductors */
3
4#ifndef __MFD_BD96801_H__
5#define __MFD_BD96801_H__
6
7#define BD96801_REG_SSCG_CTRL 0x09
8#define BD96801_REG_SHD_INTB 0x20
9#define BD96801_LDO5_VOL_LVL_REG 0x2c
10#define BD96801_LDO6_VOL_LVL_REG 0x2d
11#define BD96801_LDO7_VOL_LVL_REG 0x2e
12#define BD96801_REG_BUCK_OVP 0x30
13#define BD96801_REG_BUCK_OVD 0x35
14#define BD96801_REG_LDO_OVP 0x31
15#define BD96801_REG_LDO_OVD 0x36
16#define BD96801_REG_BOOT_OVERTIME 0x3a
17#define BD96801_REG_WD_TMO 0x40
18#define BD96801_REG_WD_CONF 0x41
19#define BD96801_REG_WD_FEED 0x42
20#define BD96801_REG_WD_FAILCOUNT 0x43
21#define BD96801_REG_WD_ASK 0x46
22#define BD96801_REG_WD_STATUS 0x4a
23#define BD96801_REG_PMIC_STATE 0x4f
24#define BD96801_REG_EXT_STATE 0x50
25
26#define BD96801_STATE_STBY 0x09
27
28#define BD96801_LOCK_REG 0x04
29#define BD96801_UNLOCK 0x9d
30#define BD96801_LOCK 0x00
31
32/* IRQ register area */
33#define BD96801_REG_INT_MAIN 0x51
34
35/*
36 * The BD96801 has two physical IRQ lines, INTB and ERRB.
37 *
38 * The 'main status register' is located at 0x51.
39 * The ERRB status registers are located at 0x52 ... 0x5B
40 * INTB status registers are at range 0x5c ... 0x63
41 */
42#define BD96801_REG_INT_SYS_ERRB1 0x52
43#define BD96801_REG_INT_BUCK2_ERRB 0x56
44#define BD96801_REG_INT_SYS_INTB 0x5c
45#define BD96801_REG_INT_BUCK2_INTB 0x5e
46#define BD96801_REG_INT_LDO7_INTB 0x63
47
48/* MASK registers */
49#define BD96801_REG_MASK_SYS_INTB 0x73
50#define BD96801_REG_MASK_SYS_ERRB 0x69
51
52#define BD96801_MAX_REGISTER 0x7a
53
54#define BD96801_OTP_ERR_MASK BIT(0)
55#define BD96801_DBIST_ERR_MASK BIT(1)
56#define BD96801_EEP_ERR_MASK BIT(2)
57#define BD96801_ABIST_ERR_MASK BIT(3)
58#define BD96801_PRSTB_ERR_MASK BIT(4)
59#define BD96801_DRMOS1_ERR_MASK BIT(5)
60#define BD96801_DRMOS2_ERR_MASK BIT(6)
61#define BD96801_SLAVE_ERR_MASK BIT(7)
62#define BD96801_VREF_ERR_MASK BIT(0)
63#define BD96801_TSD_ERR_MASK BIT(1)
64#define BD96801_UVLO_ERR_MASK BIT(2)
65#define BD96801_OVLO_ERR_MASK BIT(3)
66#define BD96801_OSC_ERR_MASK BIT(4)
67#define BD96801_PON_ERR_MASK BIT(5)
68#define BD96801_POFF_ERR_MASK BIT(6)
69#define BD96801_CMD_SHDN_ERR_MASK BIT(7)
70#define BD96801_INT_PRSTB_WDT_ERR_MASK BIT(0)
71#define BD96801_INT_CHIP_IF_ERR_MASK BIT(3)
72#define BD96801_INT_SHDN_ERR_MASK BIT(7)
73#define BD96801_OUT_PVIN_ERR_MASK BIT(0)
74#define BD96801_OUT_OVP_ERR_MASK BIT(1)
75#define BD96801_OUT_UVP_ERR_MASK BIT(2)
76#define BD96801_OUT_SHDN_ERR_MASK BIT(7)
77
78/* ERRB IRQs */
79enum {
80 /* Reg 0x52, 0x53, 0x54 - ERRB system IRQs */
81 BD96801_OTP_ERR_STAT,
82 BD96801_DBIST_ERR_STAT,
83 BD96801_EEP_ERR_STAT,
84 BD96801_ABIST_ERR_STAT,
85 BD96801_PRSTB_ERR_STAT,
86 BD96801_DRMOS1_ERR_STAT,
87 BD96801_DRMOS2_ERR_STAT,
88 BD96801_SLAVE_ERR_STAT,
89 BD96801_VREF_ERR_STAT,
90 BD96801_TSD_ERR_STAT,
91 BD96801_UVLO_ERR_STAT,
92 BD96801_OVLO_ERR_STAT,
93 BD96801_OSC_ERR_STAT,
94 BD96801_PON_ERR_STAT,
95 BD96801_POFF_ERR_STAT,
96 BD96801_CMD_SHDN_ERR_STAT,
97 BD96801_INT_PRSTB_WDT_ERR,
98 BD96801_INT_CHIP_IF_ERR,
99 BD96801_INT_SHDN_ERR_STAT,
100
101 /* Reg 0x55 BUCK1 ERR IRQs */
102 BD96801_BUCK1_PVIN_ERR_STAT,
103 BD96801_BUCK1_OVP_ERR_STAT,
104 BD96801_BUCK1_UVP_ERR_STAT,
105 BD96801_BUCK1_SHDN_ERR_STAT,
106
107 /* Reg 0x56 BUCK2 ERR IRQs */
108 BD96801_BUCK2_PVIN_ERR_STAT,
109 BD96801_BUCK2_OVP_ERR_STAT,
110 BD96801_BUCK2_UVP_ERR_STAT,
111 BD96801_BUCK2_SHDN_ERR_STAT,
112
113 /* Reg 0x57 BUCK3 ERR IRQs */
114 BD96801_BUCK3_PVIN_ERR_STAT,
115 BD96801_BUCK3_OVP_ERR_STAT,
116 BD96801_BUCK3_UVP_ERR_STAT,
117 BD96801_BUCK3_SHDN_ERR_STAT,
118
119 /* Reg 0x58 BUCK4 ERR IRQs */
120 BD96801_BUCK4_PVIN_ERR_STAT,
121 BD96801_BUCK4_OVP_ERR_STAT,
122 BD96801_BUCK4_UVP_ERR_STAT,
123 BD96801_BUCK4_SHDN_ERR_STAT,
124
125 /* Reg 0x59 LDO5 ERR IRQs */
126 BD96801_LDO5_PVIN_ERR_STAT,
127 BD96801_LDO5_OVP_ERR_STAT,
128 BD96801_LDO5_UVP_ERR_STAT,
129 BD96801_LDO5_SHDN_ERR_STAT,
130
131 /* Reg 0x5a LDO6 ERR IRQs */
132 BD96801_LDO6_PVIN_ERR_STAT,
133 BD96801_LDO6_OVP_ERR_STAT,
134 BD96801_LDO6_UVP_ERR_STAT,
135 BD96801_LDO6_SHDN_ERR_STAT,
136
137 /* Reg 0x5b LDO7 ERR IRQs */
138 BD96801_LDO7_PVIN_ERR_STAT,
139 BD96801_LDO7_OVP_ERR_STAT,
140 BD96801_LDO7_UVP_ERR_STAT,
141 BD96801_LDO7_SHDN_ERR_STAT,
142};
143
144/* INTB IRQs */
145enum {
146 /* Reg 0x5c (System INTB) */
147 BD96801_TW_STAT,
148 BD96801_WDT_ERR_STAT,
149 BD96801_I2C_ERR_STAT,
150 BD96801_CHIP_IF_ERR_STAT,
151
152 /* Reg 0x5d (BUCK1 INTB) */
153 BD96801_BUCK1_OCPH_STAT,
154 BD96801_BUCK1_OCPL_STAT,
155 BD96801_BUCK1_OCPN_STAT,
156 BD96801_BUCK1_OVD_STAT,
157 BD96801_BUCK1_UVD_STAT,
158 BD96801_BUCK1_TW_CH_STAT,
159
160 /* Reg 0x5e (BUCK2 INTB) */
161 BD96801_BUCK2_OCPH_STAT,
162 BD96801_BUCK2_OCPL_STAT,
163 BD96801_BUCK2_OCPN_STAT,
164 BD96801_BUCK2_OVD_STAT,
165 BD96801_BUCK2_UVD_STAT,
166 BD96801_BUCK2_TW_CH_STAT,
167
168 /* Reg 0x5f (BUCK3 INTB)*/
169 BD96801_BUCK3_OCPH_STAT,
170 BD96801_BUCK3_OCPL_STAT,
171 BD96801_BUCK3_OCPN_STAT,
172 BD96801_BUCK3_OVD_STAT,
173 BD96801_BUCK3_UVD_STAT,
174 BD96801_BUCK3_TW_CH_STAT,
175
176 /* Reg 0x60 (BUCK4 INTB)*/
177 BD96801_BUCK4_OCPH_STAT,
178 BD96801_BUCK4_OCPL_STAT,
179 BD96801_BUCK4_OCPN_STAT,
180 BD96801_BUCK4_OVD_STAT,
181 BD96801_BUCK4_UVD_STAT,
182 BD96801_BUCK4_TW_CH_STAT,
183
184 /* Reg 0x61 (LDO5 INTB) */
185 BD96801_LDO5_OCPH_STAT, /* bit [0] */
186 BD96801_LDO5_OVD_STAT, /* bit [3] */
187 BD96801_LDO5_UVD_STAT, /* bit [4] */
188
189 /* Reg 0x62 (LDO6 INTB) */
190 BD96801_LDO6_OCPH_STAT, /* bit [0] */
191 BD96801_LDO6_OVD_STAT, /* bit [3] */
192 BD96801_LDO6_UVD_STAT, /* bit [4] */
193
194 /* Reg 0x63 (LDO7 INTB) */
195 BD96801_LDO7_OCPH_STAT, /* bit [0] */
196 BD96801_LDO7_OVD_STAT, /* bit [3] */
197 BD96801_LDO7_UVD_STAT, /* bit [4] */
198};
199
200/* IRQ MASKs */
201#define BD96801_TW_STAT_MASK BIT(0)
202#define BD96801_WDT_ERR_STAT_MASK BIT(1)
203#define BD96801_I2C_ERR_STAT_MASK BIT(2)
204#define BD96801_CHIP_IF_ERR_STAT_MASK BIT(3)
205
206#define BD96801_BUCK_OCPH_STAT_MASK BIT(0)
207#define BD96801_BUCK_OCPL_STAT_MASK BIT(1)
208#define BD96801_BUCK_OCPN_STAT_MASK BIT(2)
209#define BD96801_BUCK_OVD_STAT_MASK BIT(3)
210#define BD96801_BUCK_UVD_STAT_MASK BIT(4)
211#define BD96801_BUCK_TW_CH_STAT_MASK BIT(5)
212
213#define BD96801_LDO_OCPH_STAT_MASK BIT(0)
214#define BD96801_LDO_OVD_STAT_MASK BIT(3)
215#define BD96801_LDO_UVD_STAT_MASK BIT(4)
216
217#endif
218

source code of linux/include/linux/mfd/rohm-bd96801.h