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/thermal.h

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/*
*
* (C) Copyright 2014 Freescale Semiconductor, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _THERMAL_H_
#define _THERMAL_H_
#include <dm.h>
int thermal_get_temp(struct udevice *dev, int *temp);
/**
* struct struct dm_thermal_ops - Driver model Thermal operations
*
* The uclass interface is implemented by all Thermal devices which use
* driver model.
*/
struct dm_thermal_ops {
/**
* Get the current temperature
*
* The device provided is the slave device. It's parent controller
* will be used to provide the communication.
*
* This must be called before doing any transfers with a Thermal slave.
* It will enable and initialize any Thermal hardware as necessary,
* and make sure that the SCK line is in the correct idle state. It is
* not allowed to claim the same bus for several slaves without
* releasing the bus in between.
*
* @dev: The Thermal device
*
* Returns: 0 if the bus was claimed successfully, or a negative value
* if it wasn't.
*/
int (*get_temp)(struct udevice *dev, int *temp);
};
#endif /* _THERMAL_H_ */