2 files changed, 86 insertions, 0 deletions
diff --git a/components/drivers/include/drivers/reset.h b/components/drivers/include/drivers/reset.h
new file mode 100644
index 0000000000..6339fe931e
--- /dev/null
+++ b/components/drivers/include/drivers/reset.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-11-26     GuEe-GUI     first version
+ */
+
+#ifndef __RESET_H__
+#define __RESET_H__
+
+#include <rthw.h>
+#include <rtthread.h>
+#include <drivers/ofw.h>
+
+#define RT_RESET_CONTROLLER_OBJ_NAME    "RSTC"
+
+struct rt_reset_control_ops;
+
+struct rt_reset_controller
+{
+    struct rt_object parent;
+
+    rt_list_t rstc_nodes;
+
+    const char *name;
+    const struct rt_reset_control_ops *ops;
+
+    struct rt_ofw_node *ofw_node;
+    void *priv;
+
+    struct rt_spinlock spinlock;
+};
+
+struct rt_reset_control
+{
+    rt_list_t list;
+
+    struct rt_reset_controller *rstcer;
+
+    int id;
+    const char *con_id;
+    rt_bool_t is_array;
+
+    void *priv;
+};
+
+struct rt_reset_control_ops
+{
+    /*
+     * rt_ofw_cell_args return:
+     *  args[0] = rstc.id
+     */
+    rt_err_t    (*ofw_parse)(struct rt_reset_control *rstc, struct rt_ofw_cell_args *args);
+    /* API */
+    rt_err_t    (*reset)(struct rt_reset_control *rstc);
+    rt_err_t    (*assert)(struct rt_reset_control *rstc);
+    rt_err_t    (*deassert)(struct rt_reset_control *rstc);
+    int         (*status)(struct rt_reset_control *rstc);
+};
+
+rt_err_t rt_reset_controller_register(struct rt_reset_controller *rstcer);
+rt_err_t rt_reset_controller_unregister(struct rt_reset_controller *rstcer);
+
+rt_err_t rt_reset_control_reset(struct rt_reset_control *rstc);
+rt_err_t rt_reset_control_assert(struct rt_reset_control *rstc);
+rt_err_t rt_reset_control_deassert(struct rt_reset_control *rstc);
+int rt_reset_control_status(struct rt_reset_control *rstc);
+
+rt_ssize_t rt_reset_control_get_count(struct rt_device *dev);
+struct rt_reset_control *rt_reset_control_get_array(struct rt_device *dev);
+struct rt_reset_control *rt_reset_control_get_by_index(struct rt_device *dev, int index);
+struct rt_reset_control *rt_reset_control_get_by_name(struct rt_device *dev, const char *name);
+void rt_reset_control_put(struct rt_reset_control *rstc);
+
+struct rt_reset_control *rt_ofw_get_reset_control_array(struct rt_ofw_node *np);
+struct rt_reset_control *rt_ofw_get_reset_control_by_index(struct rt_ofw_node *np, int index);
+struct rt_reset_control *rt_ofw_get_reset_control_by_name(struct rt_ofw_node *np, const char *name);
+
+#endif /* __RESET_H__ */
diff --git a/components/drivers/include/rtdevice.h b/components/drivers/include/rtdevice.h
index aa56b6820c..34152cefb6 100644
--- a/components/drivers/include/rtdevice.h
+++ b/components/drivers/include/rtdevice.h
@@ -79,6 +79,10 @@ extern "C" {
 #include "drivers/pic.h"
 #endif /* RT_USING_PIC */
 
+#ifdef RT_USING_RESET
+#include "drivers/reset.h"
+#endif /* RT_USING_RESET */
+
 #ifdef RT_USING_SCSI
 #include "drivers/scsi.h"
 #endif /* RT_USING_SCSI */