upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/include/power/tps65090_pmic.h

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