1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
// SPDX-License-Identifier: GPL-2.0+
/*
* AXP809 driver based on AXP221 driver
*
*
* (C) Copyright 2016 Chen-Yu Tsai <wens@csie.org>
*
* Based on axp221.c
* (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
* (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
*/
#include <common.h>
#include <command.h>
#include <errno.h>
#include <asm/arch/pmic_bus.h>
#include <axp_pmic.h>
static u8 axp809_mvolt_to_cfg(int mvolt, int min, int max, int div)
{
if (mvolt < min)
mvolt = min;
else if (mvolt > max)
mvolt = max;
return (mvolt - min) / div;
}
int axp_set_dcdc1(unsigned int mvolt)
{
int ret;
u8 cfg = axp809_mvolt_to_cfg(mvolt, 1600, 3400, 100);
if (mvolt == 0)
return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_DCDC1_EN);
ret = pmic_bus_write(AXP809_DCDC1_CTRL, cfg);
if (ret)
return ret;
ret = pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
AXP809_OUTPUT_CTRL2_DC1SW_EN);
if (ret)
return ret;
return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_DCDC1_EN);
}
int axp_set_dcdc2(unsigned int mvolt)
{
int ret;
u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1540, 20);
if (mvolt == 0)
return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_DCDC2_EN);
ret = pmic_bus_write(AXP809_DCDC2_CTRL, cfg);
if (ret)
return ret;
return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_DCDC2_EN);
}
int axp_set_dcdc3(unsigned int mvolt)
{
int ret;
u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1860, 20);
if (mvolt == 0)
return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_DCDC3_EN);
ret = pmic_bus_write(AXP809_DCDC3_CTRL, cfg);
if (ret)
return ret;
return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_DCDC3_EN);
}
int axp_set_dcdc4(unsigned int mvolt)
{
int ret;
u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1540, 20);
if (mvolt >= 1540)
cfg = 0x30 + axp809_mvolt_to_cfg(mvolt, 1800, 2600, 100);
if (mvolt == 0)
return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_DCDC4_EN);
ret = pmic_bus_write(AXP809_DCDC5_CTRL, cfg);
if (ret)
return ret;
return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_DCDC4_EN);
}
int axp_set_dcdc5(unsigned int mvolt)
{
int ret;
u8 cfg = axp809_mvolt_to_cfg(mvolt, 1000, 2550, 50);
if (mvolt == 0)
return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_DCDC5_EN);
ret = pmic_bus_write(AXP809_DCDC5_CTRL, cfg);
if (ret)
return ret;
return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_DCDC5_EN);
}
int axp_set_aldo(int aldo_num, unsigned int mvolt)
{
int ret;
u8 cfg;
if (aldo_num < 1 || aldo_num > 3)
return -EINVAL;
if (mvolt == 0 && aldo_num == 3)
return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
AXP809_OUTPUT_CTRL2_ALDO3_EN);
if (mvolt == 0)
return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_ALDO1_EN << (aldo_num - 1));
cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
ret = pmic_bus_write(AXP809_ALDO1_CTRL + (aldo_num - 1), cfg);
if (ret)
return ret;
if (aldo_num == 3)
return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
AXP809_OUTPUT_CTRL2_ALDO3_EN);
return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
AXP809_OUTPUT_CTRL1_ALDO1_EN << (aldo_num - 1));
}
/* TODO: re-work other AXP drivers to consolidate ALDO functions. */
int axp_set_aldo1(unsigned int mvolt)
{
return axp_set_aldo(1, mvolt);
}
int axp_set_aldo2(unsigned int mvolt)
{
return axp_set_aldo(2, mvolt);
}
int axp_set_aldo3(unsigned int mvolt)
{
return axp_set_aldo(3, mvolt);
}
int axp_set_dldo(int dldo_num, unsigned int mvolt)
{
u8 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
int ret;
if (dldo_num < 1 || dldo_num > 2)
return -EINVAL;
if (mvolt == 0)
return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
AXP809_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
if (dldo_num == 1 && mvolt > 3300)
cfg += 1 + axp809_mvolt_to_cfg(mvolt, 3400, 4200, 200);
ret = pmic_bus_write(AXP809_DLDO1_CTRL + (dldo_num - 1), cfg);
if (ret)
return ret;
return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
AXP809_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
}
int axp_set_eldo(int eldo_num, unsigned int mvolt)
{
int ret;
u8 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
if (eldo_num < 1 || eldo_num > 3)
return -EINVAL;
if (mvolt == 0)
return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
AXP809_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
ret = pmic_bus_write(AXP809_ELDO1_CTRL + (eldo_num - 1), cfg);
if (ret)
return ret;
return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
AXP809_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
}
int axp_set_sw(bool on)
{
if (on)
return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
AXP809_OUTPUT_CTRL2_SWOUT_EN);
return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
AXP809_OUTPUT_CTRL2_SWOUT_EN);
}
int axp_init(void)
{
return pmic_bus_init();
}
#if !IS_ENABLED(CONFIG_SYSRESET_CMD_POWEROFF)
int do_poweroff(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
pmic_bus_write(AXP809_SHUTDOWN, AXP809_SHUTDOWN_POWEROFF);
/* infinite loop during shutdown */
while (1) {}
/* not reached */
return 0;
}
#endif
|
