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reset: Add reset controller API

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This adds a simple API for devices to request being reset
by separate reset controller hardware and implements the
reset signal device tree binding.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
This commit is contained in:
Philipp Zabel
2012-11-19 17:23:13 +01:00
parent 4e11f848c6
commit 61fc413176
7 changed files with 384 additions and 0 deletions
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17
include/linux/reset.h Normal file
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#ifndef _LINUX_RESET_H_
#define _LINUX_RESET_H_
struct device;
struct reset_control;
int reset_control_reset(struct reset_control *rstc);
int reset_control_assert(struct reset_control *rstc);
int reset_control_deassert(struct reset_control *rstc);
struct reset_control *reset_control_get(struct device *dev, const char *id);
void reset_control_put(struct reset_control *rstc);
struct reset_control *devm_reset_control_get(struct device *dev, const char *id);
int device_reset(struct device *dev);
#endif