#ifndef _RESET_H
#define _RESET_H
+#include <linux/errno.h>
+
/**
* A reset is a hardware signal indicating that a HW module (or IP block, or
* sometimes an entire off-CPU chip) reset all of its internal state to some
unsigned long id;
};
+#ifdef CONFIG_DM_RESET
/**
* reset_get_by_index - Get/request a reset signal by integer index.
*
int reset_get_by_name(struct udevice *dev, const char *name,
struct reset_ctl *reset_ctl);
+/**
+ * reset_request - Request a reset signal.
+ *
+ * @reset_ctl: A reset control struct.
+ *
+ * @return 0 if OK, or a negative error code.
+ */
+int reset_request(struct reset_ctl *reset_ctl);
+
/**
* reset_free - Free a previously requested reset signal.
*
*/
int reset_deassert(struct reset_ctl *reset_ctl);
+/**
+ * reset_release_all - Assert/Free an array of previously requested resets.
+ *
+ * For each reset contained in the reset array, this function will check if
+ * reset has been previously requested and then will assert and free it.
+ *
+ * @reset_ctl: A reset struct array that was previously successfully
+ * requested by reset_get_by_*().
+ * @count Number of reset contained in the array
+ * @return 0 if OK, or a negative error code.
+ */
+int reset_release_all(struct reset_ctl *reset_ctl, int count);
+#else
+static inline int reset_get_by_index(struct udevice *dev, int index,
+ struct reset_ctl *reset_ctl)
+{
+ return -ENOTSUPP;
+}
+
+static inline int reset_get_by_name(struct udevice *dev, const char *name,
+ struct reset_ctl *reset_ctl)
+{
+ return -ENOTSUPP;
+}
+
+static inline int reset_free(struct reset_ctl *reset_ctl)
+{
+ return 0;
+}
+
+static inline int reset_assert(struct reset_ctl *reset_ctl)
+{
+ return 0;
+}
+
+static inline int reset_deassert(struct reset_ctl *reset_ctl)
+{
+ return 0;
+}
+
+static inline int reset_release_all(struct reset_ctl *reset_ctl, int count)
+{
+ return 0;
+}
+
+#endif
+
#endif