1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Maxim MAX77714 Register and data structures definition.
4  *
5  * Copyright (C) 2022 Luca Ceresoli
6  * Author: Luca Ceresoli <luca.ceresoli@bootlin.com>
7  */
8 
9 #ifndef __LINUX_MFD_MAX77714_H_
10 #define __LINUX_MFD_MAX77714_H_
11 
12 #include <linux/bits.h>
13 
14 #define MAX77714_INT_TOP	0x00
15 #define MAX77714_INT_TOPM	0x07 /* Datasheet says "read only", but it is RW */
16 
17 #define MAX77714_INT_TOP_ONOFF		BIT(1)
18 #define MAX77714_INT_TOP_RTC		BIT(3)
19 #define MAX77714_INT_TOP_GPIO		BIT(4)
20 #define MAX77714_INT_TOP_LDO		BIT(5)
21 #define MAX77714_INT_TOP_SD		BIT(6)
22 #define MAX77714_INT_TOP_GLBL		BIT(7)
23 
24 #define MAX77714_32K_STATUS	0x30
25 #define MAX77714_32K_STATUS_SIOSCOK	BIT(5)
26 #define MAX77714_32K_STATUS_XOSCOK	BIT(4)
27 #define MAX77714_32K_STATUS_32KSOURCE	BIT(3)
28 #define MAX77714_32K_STATUS_32KLOAD_MSK	0x3
29 #define MAX77714_32K_STATUS_32KLOAD_SHF	1
30 #define MAX77714_32K_STATUS_CRYSTAL_CFG	BIT(0)
31 
32 #define MAX77714_32K_CONFIG	0x31
33 #define MAX77714_32K_CONFIG_XOSC_RETRY	BIT(4)
34 
35 #define MAX77714_CNFG_GLBL2	0x91
36 #define MAX77714_WDTEN			BIT(2)
37 #define MAX77714_WDTSLPC		BIT(3)
38 #define MAX77714_TWD_MASK		0x3
39 #define MAX77714_TWD_2s			0x0
40 #define MAX77714_TWD_16s		0x1
41 #define MAX77714_TWD_64s		0x2
42 #define MAX77714_TWD_128s		0x3
43 
44 #define MAX77714_CNFG_GLBL3	0x92
45 #define MAX77714_WDTC			BIT(0)
46 
47 #define MAX77714_CNFG2_ONOFF	0x94
48 #define MAX77714_WD_RST_WK		BIT(5)
49 
50 /* Interrupts */
51 enum {
52 	MAX77714_IRQ_TOP_ONOFF,
53 	MAX77714_IRQ_TOP_RTC,		/* Real-time clock */
54 	MAX77714_IRQ_TOP_GPIO,		/* GPIOs */
55 	MAX77714_IRQ_TOP_LDO,		/* Low-dropout regulators */
56 	MAX77714_IRQ_TOP_SD,		/* Step-down regulators */
57 	MAX77714_IRQ_TOP_GLBL,		/* "Global resources": Low-Battery, overtemp... */
58 };
59 
60 #endif /* __LINUX_MFD_MAX77714_H_ */
61