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MAX8907 PMIC has embedded poweroff function used by some device to initiane device power off. Implement it as optional sysreset driver guarded by kconfig option and system-power-controller device tree property. Tested-by: Ion Agorria <ion@agorria.com> Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright(C) 2024 Svyatoslav Ryhel <clamor95@gmail.com>
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*/
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#ifndef _MAX8907_H_
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#define _MAX8907_H_
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#define MAX8907_LDO_NUM 20
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#define MAX8907_SD_NUM 3
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/* Drivers name */
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#define MAX8907_LDO_DRIVER "max8907_ldo"
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#define MAX8907_SD_DRIVER "max8907_sd"
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#define MAX8907_RST_DRIVER "max8907_rst"
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/* MAX8907 register map */
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#define MAX8907_REG_SDCTL1 0x04
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#define MAX8907_REG_SDCTL2 0x07
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#define MAX8907_REG_SDCTL3 0x0A
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#define MAX8907_REG_LDOCTL16 0x10
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#define MAX8907_REG_LDOCTL17 0x14
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#define MAX8907_REG_LDOCTL1 0x18
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#define MAX8907_REG_LDOCTL2 0x1C
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#define MAX8907_REG_LDOCTL3 0x20
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#define MAX8907_REG_LDOCTL4 0x24
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#define MAX8907_REG_LDOCTL5 0x28
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#define MAX8907_REG_LDOCTL6 0x2C
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#define MAX8907_REG_LDOCTL7 0x30
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#define MAX8907_REG_LDOCTL8 0x34
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#define MAX8907_REG_LDOCTL9 0x38
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#define MAX8907_REG_LDOCTL10 0x3C
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#define MAX8907_REG_LDOCTL11 0x40
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#define MAX8907_REG_LDOCTL12 0x44
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#define MAX8907_REG_LDOCTL13 0x48
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#define MAX8907_REG_LDOCTL14 0x4C
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#define MAX8907_REG_LDOCTL15 0x50
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#define MAX8907_REG_LDOCTL19 0x5C
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#define MAX8907_REG_LDOCTL18 0x72
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#define MAX8907_REG_LDOCTL20 0x9C
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#define MAX8907_REG_RESET_CNFG 0x0F
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#define MASK_POWER_OFF BIT(6)
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/* MAX8907 configuration values */
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#define MAX8907_CTL 0
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#define MAX8907_SEQCNT 1
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#define MAX8907_VOUT 2
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/* mask bit fields */
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#define MAX8907_MASK_LDO_SEQ 0x1C
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#define MAX8907_MASK_LDO_EN 0x01
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/* Step-Down (SD) Regulator calculations */
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#define SD1_VOLT_MAX 2225000
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#define SD1_VOLT_MIN 650000
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#define SD1_VOLT_STEP 25000
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#define SD2_VOLT_MAX 1425000
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#define SD2_VOLT_MIN 637500
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#define SD2_VOLT_STEP 12500
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#define SD3_VOLT_MAX 3900000
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#define SD3_VOLT_MIN 750000
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#define SD3_VOLT_STEP 50000
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/* Low-Dropout Linear (LDO) Regulator calculations */
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#define LDO_750_VOLT_MAX 3900000
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#define LDO_750_VOLT_MIN 750000
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#define LDO_750_VOLT_STEP 50000
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#define LDO_650_VOLT_MAX 2225000
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#define LDO_650_VOLT_MIN 650000
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#define LDO_650_VOLT_STEP 25000
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#endif /* _MAX8907_H_ */
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