2 * AXP221 and AXP223 driver
4 * IMPORTANT when making changes to this file check that the registers
5 * used are the same for the axp221 and axp223.
7 * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
8 * (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
10 * SPDX-License-Identifier: GPL-2.0+
15 #include <asm/arch/gpio.h>
16 #include <asm/arch/pmic_bus.h>
19 static u8 axp221_mvolt_to_cfg(int mvolt, int min, int max, int div)
26 return (mvolt - min) / div;
29 int axp221_set_dcdc1(unsigned int mvolt)
32 u8 cfg = axp221_mvolt_to_cfg(mvolt, 1600, 3400, 100);
35 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
36 AXP221_OUTPUT_CTRL1_DCDC1_EN);
38 ret = pmic_bus_write(AXP221_DCDC1_CTRL, cfg);
42 ret = pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
43 AXP221_OUTPUT_CTRL2_DCDC1SW_EN);
47 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
48 AXP221_OUTPUT_CTRL1_DCDC1_EN);
51 int axp221_set_dcdc2(unsigned int mvolt)
54 u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
57 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
58 AXP221_OUTPUT_CTRL1_DCDC2_EN);
60 ret = pmic_bus_write(AXP221_DCDC2_CTRL, cfg);
64 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
65 AXP221_OUTPUT_CTRL1_DCDC2_EN);
68 int axp221_set_dcdc3(unsigned int mvolt)
71 u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1860, 20);
74 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
75 AXP221_OUTPUT_CTRL1_DCDC3_EN);
77 ret = pmic_bus_write(AXP221_DCDC3_CTRL, cfg);
81 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
82 AXP221_OUTPUT_CTRL1_DCDC3_EN);
85 int axp221_set_dcdc4(unsigned int mvolt)
88 u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
91 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
92 AXP221_OUTPUT_CTRL1_DCDC4_EN);
94 ret = pmic_bus_write(AXP221_DCDC4_CTRL, cfg);
98 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
99 AXP221_OUTPUT_CTRL1_DCDC4_EN);
102 int axp221_set_dcdc5(unsigned int mvolt)
105 u8 cfg = axp221_mvolt_to_cfg(mvolt, 1000, 2550, 50);
108 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
109 AXP221_OUTPUT_CTRL1_DCDC5_EN);
111 ret = pmic_bus_write(AXP221_DCDC5_CTRL, cfg);
115 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
116 AXP221_OUTPUT_CTRL1_DCDC5_EN);
119 int axp221_set_dldo1(unsigned int mvolt)
122 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
125 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
126 AXP221_OUTPUT_CTRL2_DLDO1_EN);
128 ret = pmic_bus_write(AXP221_DLDO1_CTRL, cfg);
132 return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
133 AXP221_OUTPUT_CTRL2_DLDO1_EN);
136 int axp221_set_dldo2(unsigned int mvolt)
139 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
142 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
143 AXP221_OUTPUT_CTRL2_DLDO2_EN);
145 ret = pmic_bus_write(AXP221_DLDO2_CTRL, cfg);
149 return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
150 AXP221_OUTPUT_CTRL2_DLDO2_EN);
153 int axp221_set_dldo3(unsigned int mvolt)
156 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
159 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
160 AXP221_OUTPUT_CTRL2_DLDO3_EN);
162 ret = pmic_bus_write(AXP221_DLDO3_CTRL, cfg);
166 return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
167 AXP221_OUTPUT_CTRL2_DLDO3_EN);
170 int axp221_set_dldo4(unsigned int mvolt)
173 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
176 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
177 AXP221_OUTPUT_CTRL2_DLDO4_EN);
179 ret = pmic_bus_write(AXP221_DLDO4_CTRL, cfg);
183 return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
184 AXP221_OUTPUT_CTRL2_DLDO4_EN);
187 int axp221_set_aldo1(unsigned int mvolt)
190 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
193 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
194 AXP221_OUTPUT_CTRL1_ALDO1_EN);
196 ret = pmic_bus_write(AXP221_ALDO1_CTRL, cfg);
200 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
201 AXP221_OUTPUT_CTRL1_ALDO1_EN);
204 int axp221_set_aldo2(unsigned int mvolt)
207 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
210 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
211 AXP221_OUTPUT_CTRL1_ALDO2_EN);
213 ret = pmic_bus_write(AXP221_ALDO2_CTRL, cfg);
217 return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
218 AXP221_OUTPUT_CTRL1_ALDO2_EN);
221 int axp221_set_aldo3(unsigned int mvolt)
224 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
227 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL3,
228 AXP221_OUTPUT_CTRL3_ALDO3_EN);
230 ret = pmic_bus_write(AXP221_ALDO3_CTRL, cfg);
234 return pmic_bus_setbits(AXP221_OUTPUT_CTRL3,
235 AXP221_OUTPUT_CTRL3_ALDO3_EN);
238 int axp221_set_eldo(int eldo_num, unsigned int mvolt)
241 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
246 addr = AXP221_ELDO3_CTRL;
247 bits = AXP221_OUTPUT_CTRL2_ELDO3_EN;
250 addr = AXP221_ELDO2_CTRL;
251 bits = AXP221_OUTPUT_CTRL2_ELDO2_EN;
254 addr = AXP221_ELDO1_CTRL;
255 bits = AXP221_OUTPUT_CTRL2_ELDO1_EN;
262 return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2, bits);
264 ret = pmic_bus_write(addr, cfg);
268 return pmic_bus_setbits(AXP221_OUTPUT_CTRL2, bits);
271 int axp221_init(void)
273 /* This cannot be 0 because it is used in SPL before BSS is ready */
274 static int needs_init = 1;
281 ret = pmic_bus_init();
285 ret = pmic_bus_read(AXP221_CHIP_ID, &axp_chip_id);
289 if (!(axp_chip_id == 0x6 || axp_chip_id == 0x7 || axp_chip_id == 0x17))
296 int axp221_get_sid(unsigned int *sid)
298 u8 *dest = (u8 *)sid;
305 ret = pmic_bus_write(AXP221_PAGE, 1);
309 for (i = 0; i < 16; i++) {
310 ret = pmic_bus_read(AXP221_SID + i, &dest[i]);
315 pmic_bus_write(AXP221_PAGE, 0);
317 for (i = 0; i < 4; i++)
318 sid[i] = be32_to_cpu(sid[i]);