2 * (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
4 * X-Powers AXP221 Power Management IC driver
6 * SPDX-License-Identifier: GPL-2.0+
9 #define AXP221_CHIP_ADDR 0x68
10 #define AXP221_CTRL_ADDR 0x3e
11 #define AXP221_INIT_DATA 0x3e
13 #define AXP223_DEVICE_ADDR 0x3a3
14 #define AXP223_RUNTIME_ADDR 0x2d
16 /* Page 0 addresses */
17 #define AXP221_POWER_STATUS 0x00
18 #define AXP221_POWER_STATUS_VBUS_AVAIL (1 << 5)
19 #define AXP221_POWER_STATUS_VBUS_USABLE (1 << 4)
20 #define AXP221_CHIP_ID 0x03
21 #define AXP221_OUTPUT_CTRL1 0x10
22 #define AXP221_OUTPUT_CTRL1_DCDC0_EN (1 << 0)
23 #define AXP221_OUTPUT_CTRL1_DCDC1_EN (1 << 1)
24 #define AXP221_OUTPUT_CTRL1_DCDC2_EN (1 << 2)
25 #define AXP221_OUTPUT_CTRL1_DCDC3_EN (1 << 3)
26 #define AXP221_OUTPUT_CTRL1_DCDC4_EN (1 << 4)
27 #define AXP221_OUTPUT_CTRL1_DCDC5_EN (1 << 5)
28 #define AXP221_OUTPUT_CTRL1_ALDO1_EN (1 << 6)
29 #define AXP221_OUTPUT_CTRL1_ALDO2_EN (1 << 7)
30 #define AXP221_OUTPUT_CTRL2 0x12
31 #define AXP221_OUTPUT_CTRL2_ELDO1_EN (1 << 0)
32 #define AXP221_OUTPUT_CTRL2_ELDO2_EN (1 << 1)
33 #define AXP221_OUTPUT_CTRL2_ELDO3_EN (1 << 2)
34 #define AXP221_OUTPUT_CTRL2_DLDO1_EN (1 << 3)
35 #define AXP221_OUTPUT_CTRL2_DLDO2_EN (1 << 4)
36 #define AXP221_OUTPUT_CTRL2_DLDO3_EN (1 << 5)
37 #define AXP221_OUTPUT_CTRL2_DLDO4_EN (1 << 6)
38 #define AXP221_OUTPUT_CTRL2_DCDC1SW_EN (1 << 7)
39 #define AXP221_OUTPUT_CTRL3 0x13
40 #define AXP221_OUTPUT_CTRL3_ALDO3_EN (1 << 7)
41 #define AXP221_DLDO1_CTRL 0x15
42 #define AXP221_DLDO2_CTRL 0x16
43 #define AXP221_DLDO3_CTRL 0x17
44 #define AXP221_DLDO4_CTRL 0x18
45 #define AXP221_ELDO1_CTRL 0x19
46 #define AXP221_ELDO2_CTRL 0x1a
47 #define AXP221_ELDO3_CTRL 0x1b
48 #define AXP221_DCDC1_CTRL 0x21
49 #define AXP221_DCDC2_CTRL 0x22
50 #define AXP221_DCDC3_CTRL 0x23
51 #define AXP221_DCDC4_CTRL 0x24
52 #define AXP221_DCDC5_CTRL 0x25
53 #define AXP221_ALDO1_CTRL 0x28
54 #define AXP221_ALDO2_CTRL 0x29
55 #define AXP221_ALDO3_CTRL 0x2a
56 #define AXP221_VBUS_IPSOUT 0x30
57 #define AXP221_VBUS_IPSOUT_DRIVEBUS (1 << 2)
58 #define AXP221_MISC_CTRL 0x8f
59 #define AXP221_MISC_CTRL_N_VBUSEN_FUNC (1 << 4)
60 #define AXP221_PAGE 0xff
62 /* Page 1 addresses */
63 #define AXP221_SID 0x20
65 /* We support vbus detection */
66 #define AXP_VBUS_DETECT
68 /* We support drivebus control */
71 int axp221_set_dcdc1(unsigned int mvolt);
72 int axp221_set_dcdc2(unsigned int mvolt);
73 int axp221_set_dcdc3(unsigned int mvolt);
74 int axp221_set_dcdc4(unsigned int mvolt);
75 int axp221_set_dcdc5(unsigned int mvolt);
76 int axp221_set_dldo1(unsigned int mvolt);
77 int axp221_set_dldo2(unsigned int mvolt);
78 int axp221_set_dldo3(unsigned int mvolt);
79 int axp221_set_dldo4(unsigned int mvolt);
80 int axp221_set_aldo1(unsigned int mvolt);
81 int axp221_set_aldo2(unsigned int mvolt);
82 int axp221_set_aldo3(unsigned int mvolt);
83 int axp221_set_eldo(int eldo_num, unsigned int mvolt);
84 int axp221_init(void);
85 int axp221_get_sid(unsigned int *sid);
86 int axp_get_vbus(void);
87 int axp_drivebus_enable(void);
88 int axp_drivebus_disable(void);