From e3568d2ecadda3e6c24ffab1670b77763df7419f Mon Sep 17 00:00:00 2001 From: "Ye.Li" Date: Thu, 20 Nov 2014 21:14:13 +0800 Subject: DM: thermal: Add imx thermal DM driver Add a new thermal uclass for thermal sensor and implement the imx thermal driver basing on this uclass. Signed-off-by: Ye.Li Acked-by: Stefano Babic --- include/thermal.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 include/thermal.h (limited to 'include/thermal.h') diff --git a/include/thermal.h b/include/thermal.h new file mode 100644 index 0000000000..5d6101bec6 --- /dev/null +++ b/include/thermal.h @@ -0,0 +1,42 @@ +/* + * + * (C) Copyright 2014 Freescale Semiconductor, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _THERMAL_H_ +#define _THERMAL_H_ + +#include + +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_ */ -- cgit v1.2.3