2 * Copyright (C) 2015 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
12 #include <power/pmic.h>
13 #include <power/regulator.h>
14 #include <power/s5m8767.h>
16 DECLARE_GLOBAL_DATA_PTR;
18 static const struct sec_voltage_desc buck_v1 = {
24 static const struct sec_voltage_desc buck_v2 = {
30 static const struct sec_voltage_desc buck_v3 = {
36 static const struct sec_voltage_desc ldo_v1 = {
42 static const struct sec_voltage_desc ldo_v2 = {
48 static const struct s5m8767_para buck_param[] = {
50 * | voltage ----| | enable -| voltage
51 * regnum addr bpos mask addr on desc
53 {S5M8767_BUCK1, 0x33, 0x0, 0xff, 0x32, 0x3, &buck_v1},
54 {S5M8767_BUCK2, 0x35, 0x0, 0xff, 0x34, 0x1, &buck_v2},
55 {S5M8767_BUCK3, 0x3e, 0x0, 0xff, 0x3d, 0x1, &buck_v2},
56 {S5M8767_BUCK4, 0x47, 0x0, 0xff, 0x46, 0x1, &buck_v2},
57 {S5M8767_BUCK5, 0x50, 0x0, 0xff, 0x4f, 0x3, &buck_v1},
58 {S5M8767_BUCK6, 0x55, 0x0, 0xff, 0x54, 0x3, &buck_v1},
59 {S5M8767_BUCK7, 0x57, 0x0, 0xff, 0x56, 0x3, &buck_v3},
60 {S5M8767_BUCK8, 0x59, 0x0, 0xff, 0x58, 0x3, &buck_v3},
61 {S5M8767_BUCK9, 0x5b, 0x0, 0xff, 0x5a, 0x3, &buck_v3},
64 static const struct s5m8767_para ldo_param[] = {
65 {S5M8767_LDO1, 0x5c, 0x0, 0x3f, 0x5c, 0x3, &ldo_v2},
66 {S5M8767_LDO2, 0x5d, 0x0, 0x3f, 0x5d, 0x1, &ldo_v2},
67 {S5M8767_LDO3, 0x61, 0x0, 0x3f, 0x61, 0x3, &ldo_v1},
68 {S5M8767_LDO4, 0x62, 0x0, 0x3f, 0x62, 0x3, &ldo_v1},
69 {S5M8767_LDO5, 0x63, 0x0, 0x3f, 0x63, 0x3, &ldo_v1},
70 {S5M8767_LDO6, 0x64, 0x0, 0x3f, 0x64, 0x1, &ldo_v2},
71 {S5M8767_LDO7, 0x65, 0x0, 0x3f, 0x65, 0x1, &ldo_v2},
72 {S5M8767_LDO8, 0x66, 0x0, 0x3f, 0x66, 0x1, &ldo_v2},
73 {S5M8767_LDO9, 0x67, 0x0, 0x3f, 0x67, 0x3, &ldo_v1},
74 {S5M8767_LDO10, 0x68, 0x0, 0x3f, 0x68, 0x1, &ldo_v1},
75 {S5M8767_LDO11, 0x69, 0x0, 0x3f, 0x69, 0x1, &ldo_v1},
76 {S5M8767_LDO12, 0x6a, 0x0, 0x3f, 0x6a, 0x1, &ldo_v1},
77 {S5M8767_LDO13, 0x6b, 0x0, 0x3f, 0x6b, 0x3, &ldo_v1},
78 {S5M8767_LDO14, 0x6c, 0x0, 0x3f, 0x6c, 0x1, &ldo_v1},
79 {S5M8767_LDO15, 0x6d, 0x0, 0x3f, 0x6d, 0x1, &ldo_v2},
80 {S5M8767_LDO16, 0x6e, 0x0, 0x3f, 0x6e, 0x1, &ldo_v1},
81 {S5M8767_LDO17, 0x6f, 0x0, 0x3f, 0x6f, 0x3, &ldo_v1},
82 {S5M8767_LDO18, 0x70, 0x0, 0x3f, 0x70, 0x3, &ldo_v1},
83 {S5M8767_LDO19, 0x71, 0x0, 0x3f, 0x71, 0x3, &ldo_v1},
84 {S5M8767_LDO20, 0x72, 0x0, 0x3f, 0x72, 0x3, &ldo_v1},
85 {S5M8767_LDO21, 0x73, 0x0, 0x3f, 0x73, 0x3, &ldo_v1},
86 {S5M8767_LDO22, 0x74, 0x0, 0x3f, 0x74, 0x3, &ldo_v1},
87 {S5M8767_LDO23, 0x75, 0x0, 0x3f, 0x75, 0x3, &ldo_v1},
88 {S5M8767_LDO24, 0x76, 0x0, 0x3f, 0x76, 0x3, &ldo_v1},
89 {S5M8767_LDO25, 0x77, 0x0, 0x3f, 0x77, 0x3, &ldo_v1},
90 {S5M8767_LDO26, 0x78, 0x0, 0x3f, 0x78, 0x3, &ldo_v1},
91 {S5M8767_LDO27, 0x79, 0x0, 0x3f, 0x79, 0x3, &ldo_v1},
92 {S5M8767_LDO28, 0x7a, 0x0, 0x3f, 0x7a, 0x3, &ldo_v1},
100 static int reg_get_value(struct udevice *dev, const struct s5m8767_para *param)
102 const struct sec_voltage_desc *desc;
105 ret = pmic_reg_read(dev->parent, param->vol_addr);
110 val = (ret >> param->vol_bitpos) & param->vol_bitmask;
111 uv = desc->min + val * desc->step;
116 static int reg_set_value(struct udevice *dev, const struct s5m8767_para *param,
119 const struct sec_voltage_desc *desc;
123 if (uv < desc->min || uv > desc->max)
125 val = (uv - desc->min) / desc->step;
126 val = (val & param->vol_bitmask) << param->vol_bitpos;
127 ret = pmic_clrsetbits(dev->parent, param->vol_addr,
128 param->vol_bitmask << param->vol_bitpos,
134 static int s5m8767_ldo_probe(struct udevice *dev)
136 struct dm_regulator_uclass_platdata *uc_pdata;
138 uc_pdata = dev_get_uclass_platdata(dev);
140 uc_pdata->type = REGULATOR_TYPE_LDO;
141 uc_pdata->mode_count = 0;
145 static int ldo_get_value(struct udevice *dev)
147 int ldo = dev->driver_data;
149 return reg_get_value(dev, &ldo_param[ldo]);
152 static int ldo_set_value(struct udevice *dev, int uv)
154 int ldo = dev->driver_data;
156 return reg_set_value(dev, &ldo_param[ldo], uv);
159 static int reg_get_enable(struct udevice *dev, const struct s5m8767_para *param)
164 ret = pmic_reg_read(dev->parent, param->reg_enaddr);
168 enable = (ret >> ENABLE_SHIFT) & ENABLE_MASK;
173 static int reg_set_enable(struct udevice *dev, const struct s5m8767_para *param,
178 ret = pmic_reg_read(dev->parent, param->reg_enaddr);
182 ret = pmic_clrsetbits(dev->parent, param->reg_enaddr,
183 ENABLE_MASK << ENABLE_SHIFT,
184 enable ? param->reg_enbiton << ENABLE_SHIFT : 0);
189 static bool ldo_get_enable(struct udevice *dev)
191 int ldo = dev->driver_data;
193 return reg_get_enable(dev, &ldo_param[ldo]);
196 static int ldo_set_enable(struct udevice *dev, bool enable)
198 int ldo = dev->driver_data;
200 return reg_set_enable(dev, &ldo_param[ldo], enable);
203 static int s5m8767_buck_probe(struct udevice *dev)
205 struct dm_regulator_uclass_platdata *uc_pdata;
207 uc_pdata = dev_get_uclass_platdata(dev);
209 uc_pdata->type = REGULATOR_TYPE_BUCK;
210 uc_pdata->mode_count = 0;
215 static int buck_get_value(struct udevice *dev)
217 int buck = dev->driver_data;
219 return reg_get_value(dev, &buck_param[buck]);
222 static int buck_set_value(struct udevice *dev, int uv)
224 int buck = dev->driver_data;
226 return reg_set_value(dev, &buck_param[buck], uv);
229 static bool buck_get_enable(struct udevice *dev)
231 int buck = dev->driver_data;
233 return reg_get_enable(dev, &buck_param[buck]);
236 static int buck_set_enable(struct udevice *dev, bool enable)
238 int buck = dev->driver_data;
240 return reg_set_enable(dev, &buck_param[buck], enable);
243 static const struct dm_regulator_ops s5m8767_ldo_ops = {
244 .get_value = ldo_get_value,
245 .set_value = ldo_set_value,
246 .get_enable = ldo_get_enable,
247 .set_enable = ldo_set_enable,
250 U_BOOT_DRIVER(s5m8767_ldo) = {
251 .name = S5M8767_LDO_DRIVER,
252 .id = UCLASS_REGULATOR,
253 .ops = &s5m8767_ldo_ops,
254 .probe = s5m8767_ldo_probe,
257 static const struct dm_regulator_ops s5m8767_buck_ops = {
258 .get_value = buck_get_value,
259 .set_value = buck_set_value,
260 .get_enable = buck_get_enable,
261 .set_enable = buck_set_enable,
264 U_BOOT_DRIVER(s5m8767_buck) = {
265 .name = S5M8767_BUCK_DRIVER,
266 .id = UCLASS_REGULATOR,
267 .ops = &s5m8767_buck_ops,
268 .probe = s5m8767_buck_probe,