4 * SPDX-License-Identifier: GPL-2.0+
9 #include <asm/arch/p2wi.h>
12 static u8 axp221_mvolt_to_cfg(int mvolt, int min, int max, int div)
19 return (mvolt - min) / div;
22 static int axp221_setbits(u8 reg, u8 bits)
27 ret = p2wi_read(reg, &val);
32 return p2wi_write(reg, val);
35 int axp221_set_dcdc1(unsigned int mvolt)
38 u8 cfg = axp221_mvolt_to_cfg(mvolt, 1600, 3400, 100);
40 ret = p2wi_write(AXP221_DCDC1_CTRL, cfg);
44 return axp221_setbits(AXP221_OUTPUT_CTRL2,
45 AXP221_OUTPUT_CTRL2_DCDC1_EN);
48 int axp221_set_dcdc2(unsigned int mvolt)
50 u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
52 return p2wi_write(AXP221_DCDC2_CTRL, cfg);
55 int axp221_set_dcdc3(unsigned int mvolt)
57 u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1860, 20);
59 return p2wi_write(AXP221_DCDC3_CTRL, cfg);
62 int axp221_set_dcdc4(unsigned int mvolt)
64 u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
66 return p2wi_write(AXP221_DCDC4_CTRL, cfg);
69 int axp221_set_dcdc5(unsigned int mvolt)
71 u8 cfg = axp221_mvolt_to_cfg(mvolt, 1000, 2550, 50);
73 return p2wi_write(AXP221_DCDC5_CTRL, cfg);
76 int axp221_set_dldo1(unsigned int mvolt)
79 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
81 ret = p2wi_write(AXP221_DLDO1_CTRL, cfg);
85 return axp221_setbits(AXP221_OUTPUT_CTRL2,
86 AXP221_OUTPUT_CTRL2_DLDO1_EN);
89 int axp221_set_dldo2(unsigned int mvolt)
92 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
94 ret = p2wi_write(AXP221_DLDO2_CTRL, cfg);
98 return axp221_setbits(AXP221_OUTPUT_CTRL2,
99 AXP221_OUTPUT_CTRL2_DLDO2_EN);
102 int axp221_set_dldo3(unsigned int mvolt)
105 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
107 ret = p2wi_write(AXP221_DLDO3_CTRL, cfg);
111 return axp221_setbits(AXP221_OUTPUT_CTRL2,
112 AXP221_OUTPUT_CTRL2_DLDO3_EN);
115 int axp221_set_dldo4(unsigned int mvolt)
118 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
120 ret = p2wi_write(AXP221_DLDO4_CTRL, cfg);
124 return axp221_setbits(AXP221_OUTPUT_CTRL2,
125 AXP221_OUTPUT_CTRL2_DLDO4_EN);
128 int axp221_set_aldo1(unsigned int mvolt)
131 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
133 ret = p2wi_write(AXP221_ALDO1_CTRL, cfg);
137 return axp221_setbits(AXP221_OUTPUT_CTRL1,
138 AXP221_OUTPUT_CTRL1_ALDO1_EN);
141 int axp221_set_aldo2(unsigned int mvolt)
144 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
146 ret = p2wi_write(AXP221_ALDO2_CTRL, cfg);
150 return axp221_setbits(AXP221_OUTPUT_CTRL1,
151 AXP221_OUTPUT_CTRL1_ALDO2_EN);
154 int axp221_set_aldo3(unsigned int mvolt)
157 u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
159 ret = p2wi_write(AXP221_ALDO3_CTRL, cfg);
163 return axp221_setbits(AXP221_OUTPUT_CTRL3,
164 AXP221_OUTPUT_CTRL3_ALDO3_EN);
167 int axp221_init(void)
173 ret = p2wi_change_to_p2wi_mode(AXP221_CHIP_ADDR, AXP221_CTRL_ADDR,
178 ret = p2wi_read(AXP221_CHIP_ID, &axp_chip_id);
182 if (!(axp_chip_id == 0x6 || axp_chip_id == 0x7 || axp_chip_id == 0x17))