1 // SPDX-License-Identifier: GPL-2.0+
2 /* I2C support for Dialog DA9063
4 * Copyright 2012 Dialog Semiconductor Ltd.
5 * Copyright 2013 Philipp Zabel, Pengutronix
7 * Author: Krystian Garbaciak, Dialog Semiconductor
10 #include <linux/kernel.h>
11 #include <linux/module.h>
12 #include <linux/i2c.h>
13 #include <linux/regmap.h>
14 #include <linux/delay.h>
15 #include <linux/slab.h>
16 #include <linux/err.h>
18 #include <linux/mfd/core.h>
19 #include <linux/mfd/da9063/core.h>
20 #include <linux/mfd/da9063/pdata.h>
21 #include <linux/mfd/da9063/registers.h>
24 #include <linux/regulator/of_regulator.h>
26 static const struct regmap_range da9063_ad_readable_ranges[] = {
27 regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_AD_REG_SECOND_D),
28 regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
29 regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
30 regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_AD_REG_GP_ID_19),
31 regmap_reg_range(DA9063_REG_CHIP_ID, DA9063_REG_CHIP_VARIANT),
34 static const struct regmap_range da9063_ad_writeable_ranges[] = {
35 regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
36 regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
37 regmap_reg_range(DA9063_REG_COUNT_S, DA9063_AD_REG_ALARM_Y),
38 regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
39 regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
40 regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_AD_REG_MON_REG_4),
41 regmap_reg_range(DA9063_AD_REG_GP_ID_0, DA9063_AD_REG_GP_ID_19),
44 static const struct regmap_range da9063_ad_volatile_ranges[] = {
45 regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D),
46 regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B),
47 regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F),
48 regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT),
49 regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN),
50 regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_AD_REG_SECOND_D),
51 regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ),
52 regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K),
53 regmap_reg_range(DA9063_AD_REG_MON_REG_5, DA9063_AD_REG_MON_REG_6),
56 static const struct regmap_access_table da9063_ad_readable_table = {
57 .yes_ranges = da9063_ad_readable_ranges,
58 .n_yes_ranges = ARRAY_SIZE(da9063_ad_readable_ranges),
61 static const struct regmap_access_table da9063_ad_writeable_table = {
62 .yes_ranges = da9063_ad_writeable_ranges,
63 .n_yes_ranges = ARRAY_SIZE(da9063_ad_writeable_ranges),
66 static const struct regmap_access_table da9063_ad_volatile_table = {
67 .yes_ranges = da9063_ad_volatile_ranges,
68 .n_yes_ranges = ARRAY_SIZE(da9063_ad_volatile_ranges),
71 static const struct regmap_range da9063_bb_readable_ranges[] = {
72 regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_BB_REG_SECOND_D),
73 regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
74 regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
75 regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_19),
76 regmap_reg_range(DA9063_REG_CHIP_ID, DA9063_REG_CHIP_VARIANT),
79 static const struct regmap_range da9063_bb_writeable_ranges[] = {
80 regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
81 regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
82 regmap_reg_range(DA9063_REG_COUNT_S, DA9063_BB_REG_ALARM_Y),
83 regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
84 regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
85 regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4),
86 regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_19),
89 static const struct regmap_range da9063_bb_volatile_ranges[] = {
90 regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D),
91 regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B),
92 regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F),
93 regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT),
94 regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN),
95 regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_BB_REG_SECOND_D),
96 regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ),
97 regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K),
98 regmap_reg_range(DA9063_BB_REG_MON_REG_5, DA9063_BB_REG_MON_REG_6),
101 static const struct regmap_access_table da9063_bb_readable_table = {
102 .yes_ranges = da9063_bb_readable_ranges,
103 .n_yes_ranges = ARRAY_SIZE(da9063_bb_readable_ranges),
106 static const struct regmap_access_table da9063_bb_writeable_table = {
107 .yes_ranges = da9063_bb_writeable_ranges,
108 .n_yes_ranges = ARRAY_SIZE(da9063_bb_writeable_ranges),
111 static const struct regmap_access_table da9063_bb_volatile_table = {
112 .yes_ranges = da9063_bb_volatile_ranges,
113 .n_yes_ranges = ARRAY_SIZE(da9063_bb_volatile_ranges),
116 static const struct regmap_range da9063l_bb_readable_ranges[] = {
117 regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_MON_A10_RES),
118 regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
119 regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
120 regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_19),
121 regmap_reg_range(DA9063_REG_CHIP_ID, DA9063_REG_CHIP_VARIANT),
124 static const struct regmap_range da9063l_bb_writeable_ranges[] = {
125 regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
126 regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
127 regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
128 regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
129 regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4),
130 regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_19),
133 static const struct regmap_range da9063l_bb_volatile_ranges[] = {
134 regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D),
135 regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B),
136 regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F),
137 regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT),
138 regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN),
139 regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_REG_MON_A10_RES),
140 regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ),
141 regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K),
142 regmap_reg_range(DA9063_BB_REG_MON_REG_5, DA9063_BB_REG_MON_REG_6),
145 static const struct regmap_access_table da9063l_bb_readable_table = {
146 .yes_ranges = da9063l_bb_readable_ranges,
147 .n_yes_ranges = ARRAY_SIZE(da9063l_bb_readable_ranges),
150 static const struct regmap_access_table da9063l_bb_writeable_table = {
151 .yes_ranges = da9063l_bb_writeable_ranges,
152 .n_yes_ranges = ARRAY_SIZE(da9063l_bb_writeable_ranges),
155 static const struct regmap_access_table da9063l_bb_volatile_table = {
156 .yes_ranges = da9063l_bb_volatile_ranges,
157 .n_yes_ranges = ARRAY_SIZE(da9063l_bb_volatile_ranges),
160 static const struct regmap_range_cfg da9063_range_cfg[] = {
162 .range_min = DA9063_REG_PAGE_CON,
163 .range_max = DA9063_REG_CHIP_VARIANT,
164 .selector_reg = DA9063_REG_PAGE_CON,
165 .selector_mask = 1 << DA9063_I2C_PAGE_SEL_SHIFT,
166 .selector_shift = DA9063_I2C_PAGE_SEL_SHIFT,
172 static struct regmap_config da9063_regmap_config = {
175 .ranges = da9063_range_cfg,
176 .num_ranges = ARRAY_SIZE(da9063_range_cfg),
177 .max_register = DA9063_REG_CHIP_VARIANT,
179 .cache_type = REGCACHE_RBTREE,
182 static const struct of_device_id da9063_dt_ids[] = {
183 { .compatible = "dlg,da9063", },
184 { .compatible = "dlg,da9063l", },
187 MODULE_DEVICE_TABLE(of, da9063_dt_ids);
188 static int da9063_i2c_probe(struct i2c_client *i2c,
189 const struct i2c_device_id *id)
191 struct da9063 *da9063;
194 da9063 = devm_kzalloc(&i2c->dev, sizeof(struct da9063), GFP_KERNEL);
198 i2c_set_clientdata(i2c, da9063);
199 da9063->dev = &i2c->dev;
200 da9063->chip_irq = i2c->irq;
201 da9063->type = id->driver_data;
203 if (da9063->variant_code == PMIC_DA9063_AD) {
204 da9063_regmap_config.rd_table = &da9063_ad_readable_table;
205 da9063_regmap_config.wr_table = &da9063_ad_writeable_table;
206 da9063_regmap_config.volatile_table = &da9063_ad_volatile_table;
207 } else if (da9063->type == PMIC_TYPE_DA9063L) {
208 da9063_regmap_config.rd_table = &da9063l_bb_readable_table;
209 da9063_regmap_config.wr_table = &da9063l_bb_writeable_table;
210 da9063_regmap_config.volatile_table = &da9063l_bb_volatile_table;
212 da9063_regmap_config.rd_table = &da9063_bb_readable_table;
213 da9063_regmap_config.wr_table = &da9063_bb_writeable_table;
214 da9063_regmap_config.volatile_table = &da9063_bb_volatile_table;
217 da9063->regmap = devm_regmap_init_i2c(i2c, &da9063_regmap_config);
218 if (IS_ERR(da9063->regmap)) {
219 ret = PTR_ERR(da9063->regmap);
220 dev_err(da9063->dev, "Failed to allocate register map: %d\n",
225 return da9063_device_init(da9063, i2c->irq);
228 static const struct i2c_device_id da9063_i2c_id[] = {
229 { "da9063", PMIC_TYPE_DA9063 },
230 { "da9063l", PMIC_TYPE_DA9063L },
233 MODULE_DEVICE_TABLE(i2c, da9063_i2c_id);
235 static struct i2c_driver da9063_i2c_driver = {
238 .of_match_table = of_match_ptr(da9063_dt_ids),
240 .probe = da9063_i2c_probe,
241 .id_table = da9063_i2c_id,
244 module_i2c_driver(da9063_i2c_driver);