1 /*
2  * Copyright (C) 2013 Samsung Electronics
3  * Piotr Wilczek <p.wilczek@samsung.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef __MAX77693_MUIC_H_
9 #define __MAX77693_MUIC_H_
10 
11 #include <power/power_chrg.h>
12 
13 /*
14  * MUIC REGISTER
15  */
16 
17 #define MAX77693_MUIC_PREFIX	"max77693-muic:"
18 
19 /* MAX77693_MUIC_STATUS1 */
20 #define MAX77693_MUIC_ADC_MASK	0x1F
21 
22 /* MAX77693_MUIC_STATUS2 */
23 #define MAX77693_MUIC_CHG_NO		0x00
24 #define MAX77693_MUIC_CHG_USB		0x01
25 #define MAX77693_MUIC_CHG_USB_D		0x02
26 #define MAX77693_MUIC_CHG_TA		0x03
27 #define MAX77693_MUIC_CHG_TA_500	0x04
28 #define MAX77693_MUIC_CHG_TA_1A		0x05
29 #define MAX77693_MUIC_CHG_MASK		0x07
30 
31 /* MAX77693_MUIC_CONTROL1 */
32 #define MAX77693_MUIC_CTRL1_DN1DP2	((0x1 << 3) | 0x1)
33 #define MAX77693_MUIC_CTRL1_UT1UR2	((0x3 << 3) | 0x3)
34 #define MAX77693_MUIC_CTRL1_ADN1ADP2	((0x4 << 3) | 0x4)
35 #define MAX77693_MUIC_CTRL1_AUT1AUR2	((0x5 << 3) | 0x5)
36 #define MAX77693_MUIC_CTRL1_MASK	0xC0
37 
38 #define MUIC_PATH_USB	0
39 #define MUIC_PATH_UART	1
40 
41 #define MUIC_PATH_CP	0
42 #define MUIC_PATH_AP	1
43 
44 enum muic_path {
45 	MUIC_PATH_USB_CP,
46 	MUIC_PATH_USB_AP,
47 	MUIC_PATH_UART_CP,
48 	MUIC_PATH_UART_AP,
49 };
50 
51 /* MAX 777693 MUIC registers */
52 enum {
53 	MAX77693_MUIC_ID	= 0x00,
54 	MAX77693_MUIC_INT1	= 0x01,
55 	MAX77693_MUIC_INT2	= 0x02,
56 	MAX77693_MUIC_INT3	= 0x03,
57 	MAX77693_MUIC_STATUS1	= 0x04,
58 	MAX77693_MUIC_STATUS2	= 0x05,
59 	MAX77693_MUIC_STATUS3	= 0x06,
60 	MAX77693_MUIC_INTMASK1	= 0x07,
61 	MAX77693_MUIC_INTMASK2	= 0x08,
62 	MAX77693_MUIC_INTMASK3	= 0x09,
63 	MAX77693_MUIC_CDETCTRL	= 0x0A,
64 	MAX77693_MUIC_CONTROL1	= 0x0C,
65 	MAX77693_MUIC_CONTROL2	= 0x0D,
66 	MAX77693_MUIC_CONTROL3	= 0x0E,
67 
68 	MUIC_NUM_OF_REGS	= 0x0F,
69 };
70 
71 #define MAX77693_MUIC_I2C_ADDR	(0x4A >> 1)
72 
73 int power_muic_init(unsigned int bus);
74 #endif /* __MAX77693_MUIC_H_ */
75