2 * AXP809 driver based on AXP221 driver
5 * (C) Copyright 2016 Chen-Yu Tsai <wens@csie.org>
8 * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
9 * (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
11 * SPDX-License-Identifier: GPL-2.0+
16 #include <asm/arch/gpio.h>
17 #include <asm/arch/pmic_bus.h>
20 static u8
axp809_mvolt_to_cfg(int mvolt
, int min
, int max
, int div
)
27 return (mvolt
- min
) / div
;
30 int axp_set_dcdc1(unsigned int mvolt
)
33 u8 cfg
= axp809_mvolt_to_cfg(mvolt
, 1600, 3400, 100);
36 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1
,
37 AXP809_OUTPUT_CTRL1_DCDC1_EN
);
39 ret
= pmic_bus_write(AXP809_DCDC1_CTRL
, cfg
);
43 ret
= pmic_bus_setbits(AXP809_OUTPUT_CTRL2
,
44 AXP809_OUTPUT_CTRL2_DC1SW_EN
);
48 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1
,
49 AXP809_OUTPUT_CTRL1_DCDC1_EN
);
52 int axp_set_dcdc2(unsigned int mvolt
)
55 u8 cfg
= axp809_mvolt_to_cfg(mvolt
, 600, 1540, 20);
58 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1
,
59 AXP809_OUTPUT_CTRL1_DCDC2_EN
);
61 ret
= pmic_bus_write(AXP809_DCDC2_CTRL
, cfg
);
65 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1
,
66 AXP809_OUTPUT_CTRL1_DCDC2_EN
);
69 int axp_set_dcdc3(unsigned int mvolt
)
72 u8 cfg
= axp809_mvolt_to_cfg(mvolt
, 600, 1860, 20);
75 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1
,
76 AXP809_OUTPUT_CTRL1_DCDC3_EN
);
78 ret
= pmic_bus_write(AXP809_DCDC3_CTRL
, cfg
);
82 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1
,
83 AXP809_OUTPUT_CTRL1_DCDC3_EN
);
86 int axp_set_dcdc4(unsigned int mvolt
)
89 u8 cfg
= axp809_mvolt_to_cfg(mvolt
, 600, 1540, 20);
92 cfg
= 0x30 + axp809_mvolt_to_cfg(mvolt
, 1800, 2600, 100);
95 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1
,
96 AXP809_OUTPUT_CTRL1_DCDC4_EN
);
98 ret
= pmic_bus_write(AXP809_DCDC5_CTRL
, cfg
);
102 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1
,
103 AXP809_OUTPUT_CTRL1_DCDC4_EN
);
106 int axp_set_dcdc5(unsigned int mvolt
)
109 u8 cfg
= axp809_mvolt_to_cfg(mvolt
, 1000, 2550, 50);
112 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1
,
113 AXP809_OUTPUT_CTRL1_DCDC5_EN
);
115 ret
= pmic_bus_write(AXP809_DCDC5_CTRL
, cfg
);
119 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1
,
120 AXP809_OUTPUT_CTRL1_DCDC5_EN
);
123 int axp_set_aldo(int aldo_num
, unsigned int mvolt
)
128 if (aldo_num
< 1 || aldo_num
> 3)
131 if (mvolt
== 0 && aldo_num
== 3)
132 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2
,
133 AXP809_OUTPUT_CTRL2_ALDO3_EN
);
135 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1
,
136 AXP809_OUTPUT_CTRL1_ALDO1_EN
<< (aldo_num
- 1));
138 cfg
= axp809_mvolt_to_cfg(mvolt
, 700, 3300, 100);
139 ret
= pmic_bus_write(AXP809_ALDO1_CTRL
+ (aldo_num
- 1), cfg
);
144 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2
,
145 AXP809_OUTPUT_CTRL2_ALDO3_EN
);
146 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1
,
147 AXP809_OUTPUT_CTRL1_ALDO1_EN
<< (aldo_num
- 1));
150 /* TODO: re-work other AXP drivers to consolidate ALDO functions. */
151 int axp_set_aldo1(unsigned int mvolt
)
153 return axp_set_aldo(1, mvolt
);
156 int axp_set_aldo2(unsigned int mvolt
)
158 return axp_set_aldo(2, mvolt
);
161 int axp_set_aldo3(unsigned int mvolt
)
163 return axp_set_aldo(3, mvolt
);
166 int axp_set_dldo(int dldo_num
, unsigned int mvolt
)
168 u8 cfg
= axp809_mvolt_to_cfg(mvolt
, 700, 3300, 100);
171 if (dldo_num
< 1 || dldo_num
> 2)
175 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2
,
176 AXP809_OUTPUT_CTRL2_DLDO1_EN
<< (dldo_num
- 1));
178 if (dldo_num
== 1 && mvolt
> 3300)
179 cfg
+= 1 + axp809_mvolt_to_cfg(mvolt
, 3400, 4200, 200);
180 ret
= pmic_bus_write(AXP809_DLDO1_CTRL
+ (dldo_num
- 1), cfg
);
184 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2
,
185 AXP809_OUTPUT_CTRL2_DLDO1_EN
<< (dldo_num
- 1));
188 int axp_set_eldo(int eldo_num
, unsigned int mvolt
)
191 u8 cfg
= axp809_mvolt_to_cfg(mvolt
, 700, 3300, 100);
193 if (eldo_num
< 1 || eldo_num
> 3)
197 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2
,
198 AXP809_OUTPUT_CTRL2_ELDO1_EN
<< (eldo_num
- 1));
200 ret
= pmic_bus_write(AXP809_ELDO1_CTRL
+ (eldo_num
- 1), cfg
);
204 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2
,
205 AXP809_OUTPUT_CTRL2_ELDO1_EN
<< (eldo_num
- 1));
208 int axp_set_sw(bool on
)
211 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2
,
212 AXP809_OUTPUT_CTRL2_SWOUT_EN
);
214 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2
,
215 AXP809_OUTPUT_CTRL2_SWOUT_EN
);
220 return pmic_bus_init();
223 int do_poweroff(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
225 pmic_bus_write(AXP809_SHUTDOWN
, AXP809_SHUTDOWN_POWEROFF
);
227 /* infinite loop during shutdown */