linux/mfd/max77714.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * Maxim MAX77714 Register and data structures definition.
0004  *
0005  * Copyright (C) 2022 Luca Ceresoli
0006  * Author: Luca Ceresoli <luca.ceresoli@bootlin.com>
0007  */
0008
0009 #ifndef __LINUX_MFD_MAX77714_H_
0010 #define __LINUX_MFD_MAX77714_H_
0011
0012 #include <linux/bits.h>
0013
0014 #define MAX77714_INT_TOP    0x00
0015 #define MAX77714_INT_TOPM   0x07 /* Datasheet says "read only", but it is RW */
0016
0017 #define MAX77714_INT_TOP_ONOFF      BIT(1)
0018 #define MAX77714_INT_TOP_RTC        BIT(3)
0019 #define MAX77714_INT_TOP_GPIO       BIT(4)
0020 #define MAX77714_INT_TOP_LDO        BIT(5)
0021 #define MAX77714_INT_TOP_SD     BIT(6)
0022 #define MAX77714_INT_TOP_GLBL       BIT(7)
0023
0024 #define MAX77714_32K_STATUS 0x30
0025 #define MAX77714_32K_STATUS_SIOSCOK BIT(5)
0026 #define MAX77714_32K_STATUS_XOSCOK  BIT(4)
0027 #define MAX77714_32K_STATUS_32KSOURCE   BIT(3)
0028 #define MAX77714_32K_STATUS_32KLOAD_MSK 0x3
0029 #define MAX77714_32K_STATUS_32KLOAD_SHF 1
0030 #define MAX77714_32K_STATUS_CRYSTAL_CFG BIT(0)
0031
0032 #define MAX77714_32K_CONFIG 0x31
0033 #define MAX77714_32K_CONFIG_XOSC_RETRY  BIT(4)
0034
0035 #define MAX77714_CNFG_GLBL2 0x91
0036 #define MAX77714_WDTEN          BIT(2)
0037 #define MAX77714_WDTSLPC        BIT(3)
0038 #define MAX77714_TWD_MASK       0x3
0039 #define MAX77714_TWD_2s         0x0
0040 #define MAX77714_TWD_16s        0x1
0041 #define MAX77714_TWD_64s        0x2
0042 #define MAX77714_TWD_128s       0x3
0043
0044 #define MAX77714_CNFG_GLBL3 0x92
0045 #define MAX77714_WDTC           BIT(0)
0046
0047 #define MAX77714_CNFG2_ONOFF    0x94
0048 #define MAX77714_WD_RST_WK      BIT(5)
0049
0050 /* Interrupts */
0051 enum {
0052     MAX77714_IRQ_TOP_ONOFF,
0053     MAX77714_IRQ_TOP_RTC,       /* Real-time clock */
0054     MAX77714_IRQ_TOP_GPIO,      /* GPIOs */
0055     MAX77714_IRQ_TOP_LDO,       /* Low-dropout regulators */
0056     MAX77714_IRQ_TOP_SD,        /* Step-down regulators */
0057     MAX77714_IRQ_TOP_GLBL,      /* "Global resources": Low-Battery, overtemp... */
0058 };
0059
0060 #endif /* __LINUX_MFD_MAX77714_H_ */