xref: /linux/include/linux/mfd/rohm-bd96801.h (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)

/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Copyright (C) 2024 ROHM Semiconductors */

#ifndef __MFD_BD96801_H__
#define __MFD_BD96801_H__

#define BD96801_REG_SSCG_CTRL		0x09
#define BD96801_REG_SHD_INTB            0x20
#define BD96801_LDO5_VOL_LVL_REG	0x2c
#define BD96801_LDO6_VOL_LVL_REG	0x2d
#define BD96801_LDO7_VOL_LVL_REG	0x2e
#define BD96801_REG_BUCK_OVP		0x30
#define BD96801_REG_BUCK_OVD		0x35
#define BD96801_REG_LDO_OVP		0x31
#define BD96801_REG_LDO_OVD		0x36
#define BD96801_REG_BOOT_OVERTIME	0x3a
#define BD96801_REG_WD_TMO		0x40
#define BD96801_REG_WD_CONF		0x41
#define BD96801_REG_WD_FEED		0x42
#define BD96801_REG_WD_FAILCOUNT	0x43
#define BD96801_REG_WD_ASK		0x46
#define BD96801_REG_WD_STATUS		0x4a
#define BD96801_REG_PMIC_STATE		0x4f
#define BD96801_REG_EXT_STATE		0x50

#define BD96801_STATE_STBY		0x09

#define BD96801_LOCK_REG		0x04
#define BD96801_UNLOCK			0x9d
#define BD96801_LOCK			0x00

/* IRQ register area */
#define BD96801_REG_INT_MAIN		0x51

/*
 * The BD96801 has two physical IRQ lines, INTB and ERRB.
 *
 * The 'main status register' is located at 0x51.
 * The ERRB status registers are located at 0x52 ... 0x5B
 * INTB status registers are at range 0x5c ... 0x63
 */
#define BD96801_REG_INT_SYS_ERRB1	0x52
#define BD96801_REG_INT_SYS_INTB	0x5c
#define BD96801_REG_INT_LDO7_INTB	0x63

/* MASK registers */
#define BD96801_REG_MASK_SYS_INTB	0x73
#define BD96801_REG_MASK_SYS_ERRB	0x69

#define BD96801_MAX_REGISTER		0x7a

#define BD96801_OTP_ERR_MASK		BIT(0)
#define BD96801_DBIST_ERR_MASK		BIT(1)
#define BD96801_EEP_ERR_MASK		BIT(2)
#define BD96801_ABIST_ERR_MASK		BIT(3)
#define BD96801_PRSTB_ERR_MASK		BIT(4)
#define BD96801_DRMOS1_ERR_MASK		BIT(5)
#define BD96801_DRMOS2_ERR_MASK		BIT(6)
#define BD96801_SLAVE_ERR_MASK		BIT(7)
#define BD96801_VREF_ERR_MASK		BIT(0)
#define BD96801_TSD_ERR_MASK		BIT(1)
#define BD96801_UVLO_ERR_MASK		BIT(2)
#define BD96801_OVLO_ERR_MASK		BIT(3)
#define BD96801_OSC_ERR_MASK		BIT(4)
#define BD96801_PON_ERR_MASK		BIT(5)
#define BD96801_POFF_ERR_MASK		BIT(6)
#define BD96801_CMD_SHDN_ERR_MASK	BIT(7)
#define BD96801_INT_PRSTB_WDT_ERR_MASK	BIT(0)
#define BD96801_INT_CHIP_IF_ERR_MASK	BIT(3)
#define BD96801_INT_SHDN_ERR_MASK	BIT(7)
#define BD96801_OUT_PVIN_ERR_MASK	BIT(0)
#define BD96801_OUT_OVP_ERR_MASK	BIT(1)
#define BD96801_OUT_UVP_ERR_MASK	BIT(2)
#define BD96801_OUT_SHDN_ERR_MASK	BIT(7)

/* ERRB IRQs */
enum {
	/* Reg 0x52, 0x53, 0x54 - ERRB system IRQs */
	BD96801_OTP_ERR_STAT,
	BD96801_DBIST_ERR_STAT,
	BD96801_EEP_ERR_STAT,
	BD96801_ABIST_ERR_STAT,
	BD96801_PRSTB_ERR_STAT,
	BD96801_DRMOS1_ERR_STAT,
	BD96801_DRMOS2_ERR_STAT,
	BD96801_SLAVE_ERR_STAT,
	BD96801_VREF_ERR_STAT,
	BD96801_TSD_ERR_STAT,
	BD96801_UVLO_ERR_STAT,
	BD96801_OVLO_ERR_STAT,
	BD96801_OSC_ERR_STAT,
	BD96801_PON_ERR_STAT,
	BD96801_POFF_ERR_STAT,
	BD96801_CMD_SHDN_ERR_STAT,
	BD96801_INT_PRSTB_WDT_ERR,
	BD96801_INT_CHIP_IF_ERR,
	BD96801_INT_SHDN_ERR_STAT,

	/* Reg 0x55 BUCK1 ERR IRQs */
	BD96801_BUCK1_PVIN_ERR_STAT,
	BD96801_BUCK1_OVP_ERR_STAT,
	BD96801_BUCK1_UVP_ERR_STAT,
	BD96801_BUCK1_SHDN_ERR_STAT,

	/* Reg 0x56 BUCK2 ERR IRQs */
	BD96801_BUCK2_PVIN_ERR_STAT,
	BD96801_BUCK2_OVP_ERR_STAT,
	BD96801_BUCK2_UVP_ERR_STAT,
	BD96801_BUCK2_SHDN_ERR_STAT,

	/* Reg 0x57 BUCK3 ERR IRQs */
	BD96801_BUCK3_PVIN_ERR_STAT,
	BD96801_BUCK3_OVP_ERR_STAT,
	BD96801_BUCK3_UVP_ERR_STAT,
	BD96801_BUCK3_SHDN_ERR_STAT,

	/* Reg 0x58 BUCK4 ERR IRQs */
	BD96801_BUCK4_PVIN_ERR_STAT,
	BD96801_BUCK4_OVP_ERR_STAT,
	BD96801_BUCK4_UVP_ERR_STAT,
	BD96801_BUCK4_SHDN_ERR_STAT,

	/* Reg 0x59 LDO5 ERR IRQs */
	BD96801_LDO5_PVIN_ERR_STAT,
	BD96801_LDO5_OVP_ERR_STAT,
	BD96801_LDO5_UVP_ERR_STAT,
	BD96801_LDO5_SHDN_ERR_STAT,

	/* Reg 0x5a LDO6 ERR IRQs */
	BD96801_LDO6_PVIN_ERR_STAT,
	BD96801_LDO6_OVP_ERR_STAT,
	BD96801_LDO6_UVP_ERR_STAT,
	BD96801_LDO6_SHDN_ERR_STAT,

	/* Reg 0x5b LDO7 ERR IRQs */
	BD96801_LDO7_PVIN_ERR_STAT,
	BD96801_LDO7_OVP_ERR_STAT,
	BD96801_LDO7_UVP_ERR_STAT,
	BD96801_LDO7_SHDN_ERR_STAT,
};

/* INTB IRQs */
enum {
	/* Reg 0x5c (System INTB) */
	BD96801_TW_STAT,
	BD96801_WDT_ERR_STAT,
	BD96801_I2C_ERR_STAT,
	BD96801_CHIP_IF_ERR_STAT,

	/* Reg 0x5d (BUCK1 INTB) */
	BD96801_BUCK1_OCPH_STAT,
	BD96801_BUCK1_OCPL_STAT,
	BD96801_BUCK1_OCPN_STAT,
	BD96801_BUCK1_OVD_STAT,
	BD96801_BUCK1_UVD_STAT,
	BD96801_BUCK1_TW_CH_STAT,

	/* Reg 0x5e (BUCK2 INTB) */
	BD96801_BUCK2_OCPH_STAT,
	BD96801_BUCK2_OCPL_STAT,
	BD96801_BUCK2_OCPN_STAT,
	BD96801_BUCK2_OVD_STAT,
	BD96801_BUCK2_UVD_STAT,
	BD96801_BUCK2_TW_CH_STAT,

	/* Reg 0x5f (BUCK3 INTB)*/
	BD96801_BUCK3_OCPH_STAT,
	BD96801_BUCK3_OCPL_STAT,
	BD96801_BUCK3_OCPN_STAT,
	BD96801_BUCK3_OVD_STAT,
	BD96801_BUCK3_UVD_STAT,
	BD96801_BUCK3_TW_CH_STAT,

	/* Reg 0x60 (BUCK4 INTB)*/
	BD96801_BUCK4_OCPH_STAT,
	BD96801_BUCK4_OCPL_STAT,
	BD96801_BUCK4_OCPN_STAT,
	BD96801_BUCK4_OVD_STAT,
	BD96801_BUCK4_UVD_STAT,
	BD96801_BUCK4_TW_CH_STAT,

	/* Reg 0x61 (LDO5 INTB) */
	BD96801_LDO5_OCPH_STAT, /* bit [0] */
	BD96801_LDO5_OVD_STAT,	/* bit [3] */
	BD96801_LDO5_UVD_STAT,  /* bit [4] */

	/* Reg 0x62 (LDO6 INTB) */
	BD96801_LDO6_OCPH_STAT, /* bit [0] */
	BD96801_LDO6_OVD_STAT,	/* bit [3] */
	BD96801_LDO6_UVD_STAT,  /* bit [4] */

	/* Reg 0x63 (LDO7 INTB) */
	BD96801_LDO7_OCPH_STAT, /* bit [0] */
	BD96801_LDO7_OVD_STAT,	/* bit [3] */
	BD96801_LDO7_UVD_STAT,  /* bit [4] */
};

/* IRQ MASKs */
#define BD96801_TW_STAT_MASK		BIT(0)
#define BD96801_WDT_ERR_STAT_MASK	BIT(1)
#define BD96801_I2C_ERR_STAT_MASK	BIT(2)
#define BD96801_CHIP_IF_ERR_STAT_MASK	BIT(3)

#define BD96801_BUCK_OCPH_STAT_MASK	BIT(0)
#define BD96801_BUCK_OCPL_STAT_MASK	BIT(1)
#define BD96801_BUCK_OCPN_STAT_MASK	BIT(2)
#define BD96801_BUCK_OVD_STAT_MASK	BIT(3)
#define BD96801_BUCK_UVD_STAT_MASK	BIT(4)
#define BD96801_BUCK_TW_CH_STAT_MASK	BIT(5)

#define BD96801_LDO_OCPH_STAT_MASK	BIT(0)
#define BD96801_LDO_OVD_STAT_MASK	BIT(3)
#define BD96801_LDO_UVD_STAT_MASK	BIT(4)

#endif