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/* SPDX-License-Identifier: BSD-3-Clause or GPL-2.0-only */
#ifndef __TPS65090_H_
#define __TPS65090_H_
/* I2C device address for TPS65090 PMU */
#define TPS65090_I2C_ADDR 0x48
/* TPS65090 FET control registers */
enum fet_id {
FET1_CTRL = 0x0f,
FET2_CTRL,
FET3_CTRL,
FET4_CTRL,
FET5_CTRL,
FET6_CTRL,
FET7_CTRL,
};
enum {
/* Status register fields */
TPS65090_ST1_OTC = 1 << 0,
TPS65090_ST1_OCC = 1 << 1,
TPS65090_ST1_STATE_SHIFT = 4,
TPS65090_ST1_STATE_MASK = 0xf << TPS65090_ST1_STATE_SHIFT,
};
/* FET errors */
enum {
FET_ERR_COMMS = -1, /* FET comms error */
FET_ERR_NOT_READY = -2, /* FET is not yet ready - retry */
};
/**
* Enable FET
*
* @param bus I2C bus number the TPS65090 is on
* @param fet_id FET ID, value between 1 and 7
* return 0 on success, non-0 on failure
*/
int tps65090_fet_enable(unsigned int bus, enum fet_id fet_id);
/**
* Disable FET
*
* @param bus I2C bus number the TPS65090 is on
* @param fet_id FET ID, value between 1 and 7
* @return 0 on success, non-0 on failure
*/
int tps65090_fet_disable(unsigned int bus, enum fet_id fet_id);
/**
* Is FET enabled?
*
* @param bus I2C bus number the TPS65090 is on
* @param fet_id FET ID, value between 1 and 7
* @return 1 enabled, 0 disabled, negative value on failure
*/
int tps65090_fet_is_enabled(unsigned int bus, enum fet_id fet_id);
/**
* Enable / disable the battery charger
*
* @param bus I2C bus number the TPS65090 is on
* @param enable 0 to disable charging, non-zero to enable
*/
int tps65090_set_charge_enable(unsigned int bus, int enable);
/**
* Check whether we have enabled battery charging
*
* @param bus I2C bus number the TPS65090 is on
* @return 1 if enabled, 0 if disabled
*/
int tps65090_is_charging(unsigned int bus);
/**
* Return the value of the status register
*
* @param bus I2C bus number the TPS65090 is on
* @return status register value, or -1 on error
*/
int tps65090_get_status(unsigned int bus);
#endif /* __TPS65090_H_ */
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