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https://github.com/brain-hackers/u-boot-brain
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e3568d2eca
Add a new thermal uclass for thermal sensor and implement the imx thermal driver basing on this uclass. Signed-off-by: Ye.Li <B37916@freescale.com> Acked-by: Stefano Babic <sbabic@denx.de>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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*
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* (C) Copyright 2014 Freescale Semiconductor, Inc
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _THERMAL_H_
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#define _THERMAL_H_
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#include <dm.h>
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int thermal_get_temp(struct udevice *dev, int *temp);
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/**
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* struct struct dm_thermal_ops - Driver model Thermal operations
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*
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* The uclass interface is implemented by all Thermal devices which use
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* driver model.
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*/
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struct dm_thermal_ops {
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/**
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* Get the current temperature
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*
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* The device provided is the slave device. It's parent controller
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* will be used to provide the communication.
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*
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* This must be called before doing any transfers with a Thermal slave.
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* It will enable and initialize any Thermal hardware as necessary,
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* and make sure that the SCK line is in the correct idle state. It is
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* not allowed to claim the same bus for several slaves without
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* releasing the bus in between.
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*
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* @dev: The Thermal device
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*
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* Returns: 0 if the bus was claimed successfully, or a negative value
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* if it wasn't.
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*/
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int (*get_temp)(struct udevice *dev, int *temp);
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};
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#endif /* _THERMAL_H_ */
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