1 // SPDX-License-Identifier: GPL-2.0+
3 * AXP809 driver based on AXP221 driver
6 * (C) Copyright 2016 Chen-Yu Tsai <wens@csie.org>
9 * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
10 * (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
15 #include <asm/arch/gpio.h>
16 #include <asm/arch/pmic_bus.h>
19 static u8 axp809_mvolt_to_cfg(int mvolt, int min, int max, int div)
26 return (mvolt - min) / div;
29 int axp_set_dcdc1(unsigned int mvolt)
32 u8 cfg = axp809_mvolt_to_cfg(mvolt, 1600, 3400, 100);
35 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
36 AXP809_OUTPUT_CTRL1_DCDC1_EN);
38 ret = pmic_bus_write(AXP809_DCDC1_CTRL, cfg);
42 ret = pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
43 AXP809_OUTPUT_CTRL2_DC1SW_EN);
47 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
48 AXP809_OUTPUT_CTRL1_DCDC1_EN);
51 int axp_set_dcdc2(unsigned int mvolt)
54 u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1540, 20);
57 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
58 AXP809_OUTPUT_CTRL1_DCDC2_EN);
60 ret = pmic_bus_write(AXP809_DCDC2_CTRL, cfg);
64 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
65 AXP809_OUTPUT_CTRL1_DCDC2_EN);
68 int axp_set_dcdc3(unsigned int mvolt)
71 u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1860, 20);
74 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
75 AXP809_OUTPUT_CTRL1_DCDC3_EN);
77 ret = pmic_bus_write(AXP809_DCDC3_CTRL, cfg);
81 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
82 AXP809_OUTPUT_CTRL1_DCDC3_EN);
85 int axp_set_dcdc4(unsigned int mvolt)
88 u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1540, 20);
91 cfg = 0x30 + axp809_mvolt_to_cfg(mvolt, 1800, 2600, 100);
94 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
95 AXP809_OUTPUT_CTRL1_DCDC4_EN);
97 ret = pmic_bus_write(AXP809_DCDC5_CTRL, cfg);
101 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
102 AXP809_OUTPUT_CTRL1_DCDC4_EN);
105 int axp_set_dcdc5(unsigned int mvolt)
108 u8 cfg = axp809_mvolt_to_cfg(mvolt, 1000, 2550, 50);
111 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
112 AXP809_OUTPUT_CTRL1_DCDC5_EN);
114 ret = pmic_bus_write(AXP809_DCDC5_CTRL, cfg);
118 return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
119 AXP809_OUTPUT_CTRL1_DCDC5_EN);
122 int axp_set_aldo(int aldo_num, unsigned int mvolt)
127 if (aldo_num < 1 || aldo_num > 3)
130 if (mvolt == 0 && aldo_num == 3)
131 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
132 AXP809_OUTPUT_CTRL2_ALDO3_EN);
134 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
135 AXP809_OUTPUT_CTRL1_ALDO1_EN << (aldo_num - 1));
137 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
138 ret = pmic_bus_write(AXP809_ALDO1_CTRL + (aldo_num - 1), cfg);
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));
149 /* TODO: re-work other AXP drivers to consolidate ALDO functions. */
150 int axp_set_aldo1(unsigned int mvolt)
152 return axp_set_aldo(1, mvolt);
155 int axp_set_aldo2(unsigned int mvolt)
157 return axp_set_aldo(2, mvolt);
160 int axp_set_aldo3(unsigned int mvolt)
162 return axp_set_aldo(3, mvolt);
165 int axp_set_dldo(int dldo_num, unsigned int mvolt)
167 u8 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
170 if (dldo_num < 1 || dldo_num > 2)
174 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
175 AXP809_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
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);
183 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
184 AXP809_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
187 int axp_set_eldo(int eldo_num, unsigned int mvolt)
190 u8 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
192 if (eldo_num < 1 || eldo_num > 3)
196 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
197 AXP809_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
199 ret = pmic_bus_write(AXP809_ELDO1_CTRL + (eldo_num - 1), cfg);
203 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
204 AXP809_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
207 int axp_set_sw(bool on)
210 return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
211 AXP809_OUTPUT_CTRL2_SWOUT_EN);
213 return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
214 AXP809_OUTPUT_CTRL2_SWOUT_EN);
219 return pmic_bus_init();
222 int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
224 pmic_bus_write(AXP809_SHUTDOWN, AXP809_SHUTDOWN_POWEROFF);
226 /* infinite loop during shutdown */