xref: /openbmc/u-boot/include/thermal.h (revision 407b5b956a2e0facf6668fc8b295f4be9205c83e)
1  /* SPDX-License-Identifier: GPL-2.0+ */
2  /*
3   *
4   * (C) Copyright 2014 Freescale Semiconductor, Inc
5   */
6  
7  #ifndef _THERMAL_H_
8  #define _THERMAL_H_
9  
10  #include <dm.h>
11  
12  int thermal_get_temp(struct udevice *dev, int *temp);
13  
14  /**
15   * struct dm_thermal_ops - Driver model Thermal operations
16   *
17   * The uclass interface is implemented by all Thermal devices which use
18   * driver model.
19   */
20  struct dm_thermal_ops {
21  	/**
22  	 * Get the current temperature
23  	 *
24  	 * This must be called before doing any transfers with a Thermal device.
25  	 * It will enable and initialize any Thermal hardware as necessary.
26  	 *
27  	 * @dev:	The Thermal device
28  	 * @temp:	pointer that returns the measured temperature
29  	 */
30  	int (*get_temp)(struct udevice *dev, int *temp);
31  };
32  
33  #endif	/* _THERMAL_H_ */
34