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12#include <common.h>
13#include <command.h>
14#include <errno.h>
15#include <asm/arch/pmic_bus.h>
16#include <axp_pmic.h>
17
18static u8 axp221_mvolt_to_cfg(int mvolt, int min, int max, int div)
19{
20 if (mvolt < min)
21 mvolt = min;
22 else if (mvolt > max)
23 mvolt = max;
24
25 return (mvolt - min) / div;
26}
27
28int axp_set_dcdc1(unsigned int mvolt)
29{
30 int ret;
31 u8 cfg = axp221_mvolt_to_cfg(mvolt, 1600, 3400, 100);
32
33 if (mvolt == 0)
34 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
35 AXP221_OUTPUT_CTRL1_DCDC1_EN);
36
37 ret = pmic_bus_write(AXP221_DCDC1_CTRL, cfg);
38 if (ret)
39 return ret;
40
41 ret = pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
42 AXP221_OUTPUT_CTRL2_DCDC1SW_EN);
43 if (ret)
44 return ret;
45
46 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
47 AXP221_OUTPUT_CTRL1_DCDC1_EN);
48}
49
50int axp_set_dcdc2(unsigned int mvolt)
51{
52 int ret;
53 u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
54
55 if (mvolt == 0)
56 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
57 AXP221_OUTPUT_CTRL1_DCDC2_EN);
58
59 ret = pmic_bus_write(AXP221_DCDC2_CTRL, cfg);
60 if (ret)
61 return ret;
62
63 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
64 AXP221_OUTPUT_CTRL1_DCDC2_EN);
65}
66
67int axp_set_dcdc3(unsigned int mvolt)
68{
69 int ret;
70 u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1860, 20);
71
72 if (mvolt == 0)
73 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
74 AXP221_OUTPUT_CTRL1_DCDC3_EN);
75
76 ret = pmic_bus_write(AXP221_DCDC3_CTRL, cfg);
77 if (ret)
78 return ret;
79
80 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
81 AXP221_OUTPUT_CTRL1_DCDC3_EN);
82}
83
84int axp_set_dcdc4(unsigned int mvolt)
85{
86 int ret;
87 u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
88
89 if (mvolt == 0)
90 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
91 AXP221_OUTPUT_CTRL1_DCDC4_EN);
92
93 ret = pmic_bus_write(AXP221_DCDC4_CTRL, cfg);
94 if (ret)
95 return ret;
96
97 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
98 AXP221_OUTPUT_CTRL1_DCDC4_EN);
99}
100
101int axp_set_dcdc5(unsigned int mvolt)
102{
103 int ret;
104 u8 cfg = axp221_mvolt_to_cfg(mvolt, 1000, 2550, 50);
105
106 if (mvolt == 0)
107 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
108 AXP221_OUTPUT_CTRL1_DCDC5_EN);
109
110 ret = pmic_bus_write(AXP221_DCDC5_CTRL, cfg);
111 if (ret)
112 return ret;
113
114 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
115 AXP221_OUTPUT_CTRL1_DCDC5_EN);
116}
117
118int axp_set_aldo1(unsigned int mvolt)
119{
120 int ret;
121 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
122
123 if (mvolt == 0)
124 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
125 AXP221_OUTPUT_CTRL1_ALDO1_EN);
126
127 ret = pmic_bus_write(AXP221_ALDO1_CTRL, cfg);
128 if (ret)
129 return ret;
130
131 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
132 AXP221_OUTPUT_CTRL1_ALDO1_EN);
133}
134
135int axp_set_aldo2(unsigned int mvolt)
136{
137 int ret;
138 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
139
140 if (mvolt == 0)
141 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
142 AXP221_OUTPUT_CTRL1_ALDO2_EN);
143
144 ret = pmic_bus_write(AXP221_ALDO2_CTRL, cfg);
145 if (ret)
146 return ret;
147
148 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
149 AXP221_OUTPUT_CTRL1_ALDO2_EN);
150}
151
152int axp_set_aldo3(unsigned int mvolt)
153{
154 int ret;
155 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
156
157 if (mvolt == 0)
158 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL3,
159 AXP221_OUTPUT_CTRL3_ALDO3_EN);
160
161 ret = pmic_bus_write(AXP221_ALDO3_CTRL, cfg);
162 if (ret)
163 return ret;
164
165 return pmic_bus_setbits(AXP221_OUTPUT_CTRL3,
166 AXP221_OUTPUT_CTRL3_ALDO3_EN);
167}
168
169int axp_set_dldo(int dldo_num, unsigned int mvolt)
170{
171 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
172 int ret;
173
174 if (dldo_num < 1 || dldo_num > 4)
175 return -EINVAL;
176
177 if (mvolt == 0)
178 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
179 AXP221_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
180
181 ret = pmic_bus_write(AXP221_DLDO1_CTRL + (dldo_num - 1), cfg);
182 if (ret)
183 return ret;
184
185 return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
186 AXP221_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
187}
188
189int axp_set_eldo(int eldo_num, unsigned int mvolt)
190{
191 int ret;
192 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
193
194 if (eldo_num < 1 || eldo_num > 3)
195 return -EINVAL;
196
197 if (mvolt == 0)
198 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
199 AXP221_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
200
201 ret = pmic_bus_write(AXP221_ELDO1_CTRL + (eldo_num - 1), cfg);
202 if (ret)
203 return ret;
204
205 return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
206 AXP221_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
207}
208
209int axp_init(void)
210{
211 u8 axp_chip_id;
212 int ret;
213
214 ret = pmic_bus_init();
215 if (ret)
216 return ret;
217
218 ret = pmic_bus_read(AXP221_CHIP_ID, &axp_chip_id);
219 if (ret)
220 return ret;
221
222 if (!(axp_chip_id == 0x6 || axp_chip_id == 0x7 || axp_chip_id == 0x17))
223 return -ENODEV;
224
225
226
227
228
229 ret = pmic_bus_write(AXP_GPIO0_CTRL, AXP_GPIO_CTRL_INPUT);
230 if (ret)
231 return ret;
232
233 ret = pmic_bus_write(AXP_GPIO1_CTRL, AXP_GPIO_CTRL_INPUT);
234 if (ret)
235 return ret;
236
237 return 0;
238}
239
240int axp_get_sid(unsigned int *sid)
241{
242 u8 *dest = (u8 *)sid;
243 int i, ret;
244
245 ret = pmic_bus_init();
246 if (ret)
247 return ret;
248
249 ret = pmic_bus_write(AXP221_PAGE, 1);
250 if (ret)
251 return ret;
252
253 for (i = 0; i < 16; i++) {
254 ret = pmic_bus_read(AXP221_SID + i, &dest[i]);
255 if (ret)
256 return ret;
257 }
258
259 pmic_bus_write(AXP221_PAGE, 0);
260
261 for (i = 0; i < 4; i++)
262 sid[i] = be32_to_cpu(sid[i]);
263
264 return 0;
265}
266
267int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
268{
269 pmic_bus_write(AXP221_SHUTDOWN, AXP221_SHUTDOWN_POWEROFF);
270
271
272 while (1) {}
273
274
275 return 0;
276}
277
