原始版本

RT_Thread/components/drivers/reset/reset-simple.h

@@ -0,0 +1,50 @@
+/*
+ * 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_SIMPLE_H__
+#define __RESET_SIMPLE_H__
+
+#include <rtthread.h>
+#include <rtdevice.h>
+
+struct reset_simple
+{
+    struct rt_reset_controller parent;
+
+    void *mmio_base;
+
+    /*
+     * If true, bits are cleared to assert the reset.
+     * Otherwise, bits are set to assert the reset.
+     */
+    rt_bool_t active_low;
+    /*
+     * If true, bits read back as cleared while the reset is asserted.
+     * Otherwise, bits read back as set while the reset is asserted.
+     */
+    rt_bool_t status_active_low;
+
+    /*
+     * Minimum delay in microseconds needed that needs to be
+     * waited for between an assert and a deassert to reset the device.
+     * If multiple consumers with different delay
+     * requirements are connected to this controller, it must
+     * be the largest minimum delay. 0 means that such a delay is
+     * unknown and the reset operation is unsupported.
+     */
+    rt_uint32_t reset_us;
+
+    /* protect registers during read-modify-write cycles */
+    struct rt_spinlock lock;
+};
+
+extern const struct rt_reset_control_ops reset_simple_ops;
+
+#endif /* __RESET_SIMPLE_H__ */