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authorStefano Babic <sbabic@denx.de>2015-10-30 14:52:51 +0100
committerStefano Babic <sbabic@denx.de>2015-10-30 14:52:51 +0100
commite573bdb324c78fac56655a493bea843842c9d9f8 (patch)
tree3933d354a6be71cbe66d583fec3f5b2479e596ee /include/timer.h
parenta69fdc7787bfa2f27eed74c2ee58c28ce932d502 (diff)
parent0eb4cf9c14315e1976a116de75da6f420ac0e8dd (diff)
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Merge branch 'master' of git://git.denx.de/u-boot
Diffstat (limited to 'include/timer.h')
-rw-r--r--include/timer.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/include/timer.h b/include/timer.h
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--- /dev/null
+++ b/include/timer.h
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+/*
+ * Copyright (C) 2015 Thomas Chou <thomas@wytron.com.tw>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _TIMER_H_
+#define _TIMER_H_
+
+/*
+ * Get the current timer count
+ *
+ * @dev: The Timer device
+ * @count: pointer that returns the current timer count
+ * @return: 0 if OK, -ve on error
+ */
+int timer_get_count(struct udevice *dev, unsigned long *count);
+/*
+ * Get the timer input clock frequency
+ *
+ * @dev: The Timer device
+ * @return: the timer input clock frequency
+ */
+unsigned long timer_get_rate(struct udevice *dev);
+
+/*
+ * struct timer_ops - Driver model Timer operations
+ *
+ * The uclass interface is implemented by all Timer devices which use
+ * driver model.
+ */
+struct timer_ops {
+ /*
+ * Get the current timer count
+ *
+ * @dev: The Timer device
+ * @count: pointer that returns the current timer count
+ * @return: 0 if OK, -ve on error
+ */
+ int (*get_count)(struct udevice *dev, unsigned long *count);
+};
+
+/*
+ * struct timer_dev_priv - information about a device used by the uclass
+ *
+ * @clock_rate: the timer input clock frequency
+ */
+struct timer_dev_priv {
+ unsigned long clock_rate;
+};
+
+#endif /* _TIMER_H_ */