1 /*
2  * Copyright (C) 2014-2016, Toradex AG
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 /*
8  * Helpers for Freescale PMIC PF0100
9 */
10 
11 #ifndef PF0100_H_
12 #define PF0100_H_
13 
14 /* 7-bit I2C bus slave address */
15 #define PFUZE100_I2C_ADDR		(0x08)
16 /* Register Addresses */
17 #define PFUZE100_DEVICEID		(0x0)
18 #define PFUZE100_REVID			(0x3)
19 #define PFUZE100_SW1AMODE		(0x23)
20 #define PFUZE100_SW1ACON		36
21 #define PFUZE100_SW1ACON_SPEED_VAL	(0x1<<6)	/*default */
22 #define PFUZE100_SW1ACON_SPEED_M	(0x3<<6)
23 #define PFUZE100_SW1CCON		49
24 #define PFUZE100_SW1CCON_SPEED_VAL	(0x1<<6)	/*default */
25 #define PFUZE100_SW1CCON_SPEED_M	(0x3<<6)
26 #define PFUZE100_SW1AVOL		32
27 #define PFUZE100_SW1AVOL_VSEL_M		(0x3f<<0)
28 #define PFUZE100_SW1CVOL		46
29 #define PFUZE100_SW1CVOL_VSEL_M		(0x3f<<0)
30 #define PFUZE100_VGEN1CTL		(0x6c)
31 #define PFUZE100_VGEN1_VAL		(0x30 + 0x08) /* Always ON, 1.2V */
32 #define PFUZE100_SWBSTCTL		(0x66)
33 /* Always ON, Auto Switching Mode, 5.0V */
34 #define PFUZE100_SWBST_VAL		(0x40 + 0x08 + 0x00)
35 
36 /* chooses the extended page (registers 0x80..0xff) */
37 #define PFUZE100_PAGE_REGISTER		0x7f
38 #define PFUZE100_PAGE_REGISTER_PAGE_M	(0x1f << 0)
39 #define PFUZE100_PAGE_REGISTER_PAGE1	(0x01 & PFUZE100_PAGE_REGISTER_PAGE_M)
40 #define PFUZE100_PAGE_REGISTER_PAGE2	(0x02 & PFUZE100_PAGE_REGISTER_PAGE_M)
41 
42 /* extended page 1 */
43 #define PFUZE100_FUSE_POR1		0xe4
44 #define PFUZE100_FUSE_POR2		0xe5
45 #define PFUZE100_FUSE_POR3		0xe6
46 #define PFUZE100_FUSE_POR_M		(0x1 << 1)
47 
48 
49 /* output some informational messages, return the number FUSE_POR=1 */
50 /* i.e. 0: unprogrammed, 3: programmed, other: undefined prog. state */
51 unsigned pmic_init(void);
52 
53 /* programmes OTP fuses to values required on a Toradex Apalis iMX6 */
54 int pf0100_prog(void);
55 
56 #endif /* PF0100_H_ */
57