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authorTom Rini <trini@ti.com>2014-11-24 12:02:12 -0500
committerTom Rini <trini@ti.com>2014-11-24 12:02:12 -0500
commitdee332ffb735f65ab922118791a583c17bb0b795 (patch)
treed07bc0821792831aa4baeb27868252c2d32c7738 /include/thermal.h
parent1739564e753bc3a8097f8937a3cbe738bdaaed5d (diff)
parente7eb277dced570f177d75d56f40219d9dc599ed1 (diff)
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Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'include/thermal.h')
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diff --git a/include/thermal.h b/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_ */