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13#include <common.h>
14#include <errno.h>
15#include <asm/arch/gpio.h>
16#include <asm/arch/pmic_bus.h>
17#include <axp_pmic.h>
18
19static u8 axp809_mvolt_to_cfg(int mvolt, int min, int max, int div)
20{
21 if (mvolt < min)
22 mvolt = min;
23 else if (mvolt > max)
24 mvolt = max;
25
26 return (mvolt - min) / div;
27}
28
29int axp_set_dcdc1(unsigned int mvolt)
30{
31 int ret;
32 u8 cfg = axp809_mvolt_to_cfg(mvolt, 1600, 3400, 100);
33
34 if (mvolt == 0)
35 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
36 AXP809_OUTPUT_CTRL1_DCDC1_EN);
37
38 ret = pmic_bus_write(AXP809_DCDC1_CTRL, cfg);
39 if (ret)
40 return ret;
41
42 ret = pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
43 AXP809_OUTPUT_CTRL2_DC1SW_EN);
44 if (ret)
45 return ret;
46
47 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
48 AXP809_OUTPUT_CTRL1_DCDC1_EN);
49}
50
51int axp_set_dcdc2(unsigned int mvolt)
52{
53 int ret;
54 u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1540, 20);
55
56 if (mvolt == 0)
57 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
58 AXP809_OUTPUT_CTRL1_DCDC2_EN);
59
60 ret = pmic_bus_write(AXP809_DCDC2_CTRL, cfg);
61 if (ret)
62 return ret;
63
64 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
65 AXP809_OUTPUT_CTRL1_DCDC2_EN);
66}
67
68int axp_set_dcdc3(unsigned int mvolt)
69{
70 int ret;
71 u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1860, 20);
72
73 if (mvolt == 0)
74 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
75 AXP809_OUTPUT_CTRL1_DCDC3_EN);
76
77 ret = pmic_bus_write(AXP809_DCDC3_CTRL, cfg);
78 if (ret)
79 return ret;
80
81 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
82 AXP809_OUTPUT_CTRL1_DCDC3_EN);
83}
84
85int axp_set_dcdc4(unsigned int mvolt)
86{
87 int ret;
88 u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1540, 20);
89
90 if (mvolt >= 1540)
91 cfg = 0x30 + axp809_mvolt_to_cfg(mvolt, 1800, 2600, 100);
92
93 if (mvolt == 0)
94 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
95 AXP809_OUTPUT_CTRL1_DCDC4_EN);
96
97 ret = pmic_bus_write(AXP809_DCDC5_CTRL, cfg);
98 if (ret)
99 return ret;
100
101 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
102 AXP809_OUTPUT_CTRL1_DCDC4_EN);
103}
104
105int axp_set_dcdc5(unsigned int mvolt)
106{
107 int ret;
108 u8 cfg = axp809_mvolt_to_cfg(mvolt, 1000, 2550, 50);
109
110 if (mvolt == 0)
111 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
112 AXP809_OUTPUT_CTRL1_DCDC5_EN);
113
114 ret = pmic_bus_write(AXP809_DCDC5_CTRL, cfg);
115 if (ret)
116 return ret;
117
118 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
119 AXP809_OUTPUT_CTRL1_DCDC5_EN);
120}
121
122int axp_set_aldo(int aldo_num, unsigned int mvolt)
123{
124 int ret;
125 u8 cfg;
126
127 if (aldo_num < 1 || aldo_num > 3)
128 return -EINVAL;
129
130 if (mvolt == 0 && aldo_num == 3)
131 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
132 AXP809_OUTPUT_CTRL2_ALDO3_EN);
133 if (mvolt == 0)
134 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
135 AXP809_OUTPUT_CTRL1_ALDO1_EN << (aldo_num - 1));
136
137 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
138 ret = pmic_bus_write(AXP809_ALDO1_CTRL + (aldo_num - 1), cfg);
139 if (ret)
140 return ret;
141
142 if (aldo_num == 3)
143 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
144 AXP809_OUTPUT_CTRL2_ALDO3_EN);
145 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
146 AXP809_OUTPUT_CTRL1_ALDO1_EN << (aldo_num - 1));
147}
148
149
150int axp_set_aldo1(unsigned int mvolt)
151{
152 return axp_set_aldo(1, mvolt);
153}
154
155int axp_set_aldo2(unsigned int mvolt)
156{
157 return axp_set_aldo(2, mvolt);
158}
159
160int axp_set_aldo3(unsigned int mvolt)
161{
162 return axp_set_aldo(3, mvolt);
163}
164
165int axp_set_dldo(int dldo_num, unsigned int mvolt)
166{
167 u8 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
168 int ret;
169
170 if (dldo_num < 1 || dldo_num > 2)
171 return -EINVAL;
172
173 if (mvolt == 0)
174 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
175 AXP809_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
176
177 if (dldo_num == 1 && mvolt > 3300)
178 cfg += 1 + axp809_mvolt_to_cfg(mvolt, 3400, 4200, 200);
179 ret = pmic_bus_write(AXP809_DLDO1_CTRL + (dldo_num - 1), cfg);
180 if (ret)
181 return ret;
182
183 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
184 AXP809_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
185}
186
187int axp_set_eldo(int eldo_num, unsigned int mvolt)
188{
189 int ret;
190 u8 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
191
192 if (eldo_num < 1 || eldo_num > 3)
193 return -EINVAL;
194
195 if (mvolt == 0)
196 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
197 AXP809_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
198
199 ret = pmic_bus_write(AXP809_ELDO1_CTRL + (eldo_num - 1), cfg);
200 if (ret)
201 return ret;
202
203 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
204 AXP809_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
205}
206
207int axp_set_sw(bool on)
208{
209 if (on)
210 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
211 AXP809_OUTPUT_CTRL2_SWOUT_EN);
212
213 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
214 AXP809_OUTPUT_CTRL2_SWOUT_EN);
215}
216
217int axp_init(void)
218{
219 return pmic_bus_init();
220}
221
222int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
223{
224 pmic_bus_write(AXP809_SHUTDOWN, AXP809_SHUTDOWN_POWEROFF);
225
226
227 while (1) {}
228
229
230 return 0;
231}
232
