35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Functions to access SY3686A power management chip.
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*
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* Copyright (C) 2021 reMarkable AS - http://www.remarkable.com/
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*/
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#ifndef __MFD_SY7636A_H
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#define __MFD_SY7636A_H
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#define SY7636A_REG_OPERATION_MODE_CRL 0x00
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/* It is set if a gpio is used to control the regulator */
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#define SY7636A_OPERATION_MODE_CRL_VCOMCTL BIT(6)
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#define SY7636A_OPERATION_MODE_CRL_ONOFF BIT(7)
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#define SY7636A_REG_VCOM_ADJUST_CTRL_L 0x01
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#define SY7636A_REG_VCOM_ADJUST_CTRL_H 0x02
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#define SY7636A_REG_VCOM_ADJUST_CTRL_MASK 0x01ff
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#define SY7636A_REG_VLDO_VOLTAGE_ADJULST_CTRL 0x03
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#define SY7636A_REG_POWER_ON_DELAY_TIME 0x06
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#define SY7636A_REG_FAULT_FLAG 0x07
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#define SY7636A_FAULT_FLAG_PG BIT(0)
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#define SY7636A_REG_TERMISTOR_READOUT 0x08
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#define SY7636A_REG_MAX 0x08
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#define VCOM_ADJUST_CTRL_MASK 0x1ff
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// Used to shift the high byte
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#define VCOM_ADJUST_CTRL_SHIFT 8
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// Used to scale from VCOM_ADJUST_CTRL to mv
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#define VCOM_ADJUST_CTRL_SCAL 10000
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#define FAULT_FLAG_SHIFT 1
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#endif /* __LINUX_MFD_SY7636A_H */
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