xref: /OK3568_Linux_fs/u-boot/include/thermal.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  *
3*4882a593Smuzhiyun  * (C) Copyright 2014 Freescale Semiconductor, Inc
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef _THERMAL_H_
9*4882a593Smuzhiyun #define _THERMAL_H_
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <dm.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun int thermal_get_temp(struct udevice *dev, int *temp);
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun /**
16*4882a593Smuzhiyun  * struct dm_thermal_ops - Driver model Thermal operations
17*4882a593Smuzhiyun  *
18*4882a593Smuzhiyun  * The uclass interface is implemented by all Thermal devices which use
19*4882a593Smuzhiyun  * driver model.
20*4882a593Smuzhiyun  */
21*4882a593Smuzhiyun struct dm_thermal_ops {
22*4882a593Smuzhiyun 	/**
23*4882a593Smuzhiyun 	 * Get the current temperature
24*4882a593Smuzhiyun 	 *
25*4882a593Smuzhiyun 	 * This must be called before doing any transfers with a Thermal device.
26*4882a593Smuzhiyun 	 * It will enable and initialize any Thermal hardware as necessary.
27*4882a593Smuzhiyun 	 *
28*4882a593Smuzhiyun 	 * @dev:	The Thermal device
29*4882a593Smuzhiyun 	 * @temp:	pointer that returns the measured temperature
30*4882a593Smuzhiyun 	 */
31*4882a593Smuzhiyun 	int (*get_temp)(struct udevice *dev, int *temp);
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #endif	/* _THERMAL_H_ */
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