74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
/*
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* Copyright (c) 2012 The Chromium OS Authors.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __TPS65090_PMIC_H_
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#define __TPS65090_PMIC_H_
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/* I2C device address for TPS65090 PMU */
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#define TPS65090_I2C_ADDR 0x48
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enum {
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/* Status register fields */
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TPS65090_ST1_OTC = 1 << 0,
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TPS65090_ST1_OCC = 1 << 1,
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TPS65090_ST1_STATE_SHIFT = 4,
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TPS65090_ST1_STATE_MASK = 0xf << TPS65090_ST1_STATE_SHIFT,
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};
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/**
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* Enable FET
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*
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* @param fet_id FET ID, value between 1 and 7
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* @return 0 on success, non-0 on failure
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*/
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int tps65090_fet_enable(unsigned int fet_id);
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/**
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* Disable FET
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*
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* @param fet_id FET ID, value between 1 and 7
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* @return 0 on success, non-0 on failure
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*/
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int tps65090_fet_disable(unsigned int fet_id);
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/**
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* Is FET enabled?
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*
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* @param fet_id FET ID, value between 1 and 7
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* @return 1 enabled, 0 disabled, negative value on failure
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*/
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int tps65090_fet_is_enabled(unsigned int fet_id);
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/**
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* Enable / disable the battery charger
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*
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* @param enable 0 to disable charging, non-zero to enable
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*/
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int tps65090_set_charge_enable(int enable);
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/**
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* Check whether we have enabled battery charging
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*
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* @return 1 if enabled, 0 if disabled
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*/
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int tps65090_get_charging(void);
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/**
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* Return the value of the status register
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*
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* @return status register value, or -1 on error
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*/
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int tps65090_get_status(void);
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/**
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* Initialize the TPS65090 PMU.
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*
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* @return 0 on success, non-0 on failure
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*/
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int tps65090_init(void);
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#endif /* __TPS65090_PMIC_H_ */
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