2 * (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
4 * X-Powers AXP221 Power Management IC driver
6 * SPDX-License-Identifier: GPL-2.0+
10 #define AXP221_CHIP_ID 0x03
11 #define AXP221_OUTPUT_CTRL1 0x10
12 #define AXP221_OUTPUT_CTRL1_DCDC0_EN (1 << 0)
13 #define AXP221_OUTPUT_CTRL1_DCDC1_EN (1 << 1)
14 #define AXP221_OUTPUT_CTRL1_DCDC2_EN (1 << 2)
15 #define AXP221_OUTPUT_CTRL1_DCDC3_EN (1 << 3)
16 #define AXP221_OUTPUT_CTRL1_DCDC4_EN (1 << 4)
17 #define AXP221_OUTPUT_CTRL1_DCDC5_EN (1 << 5)
18 #define AXP221_OUTPUT_CTRL1_ALDO1_EN (1 << 6)
19 #define AXP221_OUTPUT_CTRL1_ALDO2_EN (1 << 7)
20 #define AXP221_OUTPUT_CTRL2 0x12
21 #define AXP221_OUTPUT_CTRL2_ELDO1_EN (1 << 0)
22 #define AXP221_OUTPUT_CTRL2_ELDO2_EN (1 << 1)
23 #define AXP221_OUTPUT_CTRL2_ELDO3_EN (1 << 2)
24 #define AXP221_OUTPUT_CTRL2_DLDO1_EN (1 << 3)
25 #define AXP221_OUTPUT_CTRL2_DLDO2_EN (1 << 4)
26 #define AXP221_OUTPUT_CTRL2_DLDO3_EN (1 << 5)
27 #define AXP221_OUTPUT_CTRL2_DLDO4_EN (1 << 6)
28 #define AXP221_OUTPUT_CTRL2_DCDC1SW_EN (1 << 7)
29 #define AXP221_OUTPUT_CTRL3 0x13
30 #define AXP221_OUTPUT_CTRL3_ALDO3_EN (1 << 7)
31 #define AXP221_DLDO1_CTRL 0x15
32 #define AXP221_DLDO2_CTRL 0x16
33 #define AXP221_DLDO3_CTRL 0x17
34 #define AXP221_DLDO4_CTRL 0x18
35 #define AXP221_ELDO1_CTRL 0x19
36 #define AXP221_ELDO2_CTRL 0x1a
37 #define AXP221_ELDO3_CTRL 0x1b
38 #define AXP221_DCDC1_CTRL 0x21
39 #define AXP221_DCDC2_CTRL 0x22
40 #define AXP221_DCDC3_CTRL 0x23
41 #define AXP221_DCDC4_CTRL 0x24
42 #define AXP221_DCDC5_CTRL 0x25
43 #define AXP221_ALDO1_CTRL 0x28
44 #define AXP221_ALDO2_CTRL 0x29
45 #define AXP221_ALDO3_CTRL 0x2a
46 #define AXP221_VBUS_IPSOUT 0x30
47 #define AXP221_VBUS_IPSOUT_DRIVEBUS (1 << 2)
48 #define AXP221_MISC_CTRL 0x8f
49 #define AXP221_MISC_CTRL_N_VBUSEN_FUNC (1 << 4)
50 #define AXP221_PAGE 0xff
52 /* Page 1 addresses */
53 #define AXP221_SID 0x20
56 #define AXP_POWER_STATUS 0x00
57 #define AXP_POWER_STATUS_VBUS_PRESENT (1 << 5)
58 #define AXP_GPIO0_CTRL 0x90
59 #define AXP_GPIO1_CTRL 0x92
60 #define AXP_GPIO_CTRL_OUTPUT_LOW 0x00 /* Drive pin low */
61 #define AXP_GPIO_CTRL_OUTPUT_HIGH 0x01 /* Drive pin high */
62 #define AXP_GPIO_CTRL_INPUT 0x02 /* Input */
63 #define AXP_GPIO_STATE 0x94
64 #define AXP_GPIO_STATE_OFFSET 0
66 int axp221_set_dcdc1(unsigned int mvolt);
67 int axp221_set_dcdc2(unsigned int mvolt);
68 int axp221_set_dcdc3(unsigned int mvolt);
69 int axp221_set_dcdc4(unsigned int mvolt);
70 int axp221_set_dcdc5(unsigned int mvolt);
71 int axp221_set_dldo1(unsigned int mvolt);
72 int axp221_set_dldo2(unsigned int mvolt);
73 int axp221_set_dldo3(unsigned int mvolt);
74 int axp221_set_dldo4(unsigned int mvolt);
75 int axp221_set_aldo1(unsigned int mvolt);
76 int axp221_set_aldo2(unsigned int mvolt);
77 int axp221_set_aldo3(unsigned int mvolt);
78 int axp221_set_eldo(int eldo_num, unsigned int mvolt);
79 int axp221_init(void);
80 int axp221_get_sid(unsigned int *sid);