1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2013 Samsung Electronics
4  * Piotr Wilczek <p.wilczek@samsung.com>
5  */
6 
7 #ifndef __MAX77693_MUIC_H_
8 #define __MAX77693_MUIC_H_
9 
10 #include <power/power_chrg.h>
11 
12 /*
13  * MUIC REGISTER
14  */
15 
16 #define MAX77693_MUIC_PREFIX	"max77693-muic:"
17 
18 /* MAX77693_MUIC_STATUS1 */
19 #define MAX77693_MUIC_ADC_MASK	0x1F
20 
21 /* MAX77693_MUIC_STATUS2 */
22 #define MAX77693_MUIC_CHG_NO		0x00
23 #define MAX77693_MUIC_CHG_USB		0x01
24 #define MAX77693_MUIC_CHG_USB_D		0x02
25 #define MAX77693_MUIC_CHG_TA		0x03
26 #define MAX77693_MUIC_CHG_TA_500	0x04
27 #define MAX77693_MUIC_CHG_TA_1A		0x05
28 #define MAX77693_MUIC_CHG_MASK		0x07
29 
30 /* MAX77693_MUIC_CONTROL1 */
31 #define MAX77693_MUIC_CTRL1_DN1DP2	((0x1 << 3) | 0x1)
32 #define MAX77693_MUIC_CTRL1_UT1UR2	((0x3 << 3) | 0x3)
33 #define MAX77693_MUIC_CTRL1_ADN1ADP2	((0x4 << 3) | 0x4)
34 #define MAX77693_MUIC_CTRL1_AUT1AUR2	((0x5 << 3) | 0x5)
35 #define MAX77693_MUIC_CTRL1_MASK	0xC0
36 
37 #define MUIC_PATH_USB	0
38 #define MUIC_PATH_UART	1
39 
40 #define MUIC_PATH_CP	0
41 #define MUIC_PATH_AP	1
42 
43 enum muic_path {
44 	MUIC_PATH_USB_CP,
45 	MUIC_PATH_USB_AP,
46 	MUIC_PATH_UART_CP,
47 	MUIC_PATH_UART_AP,
48 };
49 
50 /* MAX 777693 MUIC registers */
51 enum {
52 	MAX77693_MUIC_ID	= 0x00,
53 	MAX77693_MUIC_INT1	= 0x01,
54 	MAX77693_MUIC_INT2	= 0x02,
55 	MAX77693_MUIC_INT3	= 0x03,
56 	MAX77693_MUIC_STATUS1	= 0x04,
57 	MAX77693_MUIC_STATUS2	= 0x05,
58 	MAX77693_MUIC_STATUS3	= 0x06,
59 	MAX77693_MUIC_INTMASK1	= 0x07,
60 	MAX77693_MUIC_INTMASK2	= 0x08,
61 	MAX77693_MUIC_INTMASK3	= 0x09,
62 	MAX77693_MUIC_CDETCTRL	= 0x0A,
63 	MAX77693_MUIC_CONTROL1	= 0x0C,
64 	MAX77693_MUIC_CONTROL2	= 0x0D,
65 	MAX77693_MUIC_CONTROL3	= 0x0E,
66 
67 	MUIC_NUM_OF_REGS	= 0x0F,
68 };
69 
70 #define MAX77693_MUIC_I2C_ADDR	(0x4A >> 1)
71 
72 int power_muic_init(unsigned int bus);
73 #endif /* __MAX77693_MUIC_H_ */
74