hal: renesas: rzt: Add WDT support for RZ/T series

Add WDT FSP HAL driver to support Zephyr WDT driver for RZ/T2M

Signed-off-by: Nhut Nguyen <[email protected]>
Signed-off-by: Quang Le <[email protected]>

Author: nhutnguyenkc

drivers/rz/fsp/inc/instances/rzt/r_wdt.h

@@ -0,0 +1,80 @@
+/*
+* Copyright (c) 2020 - 2024 Renesas Electronics Corporation and/or its affiliates
+*
+* SPDX-License-Identifier: BSD-3-Clause
+*/
+
+/*******************************************************************************************************************//**
+ * @addtogroup WDT WDT
+ * @{
+ **********************************************************************************************************************/
+
+#ifndef R_WDT_H
+#define R_WDT_H
+
+#include "bsp_api.h"
+
+#include "r_wdt_cfg.h"
+#include "r_wdt_api.h"
+
+/* Common macro for FSP header files. There is also a corresponding FSP_FOOTER macro at the end of this file. */
+FSP_HEADER
+
+/***********************************************************************************************************************
+ * Macro definitions
+ **********************************************************************************************************************/
+
+/***********************************************************************************************************************
+ * Typedef definitions
+ **********************************************************************************************************************/
+
+/** WDT private control block. DO NOT MODIFY. Initialization occurs when R_WDT_Open() is called. */
+typedef struct st_wdt_instance_ctrl
+{
+    uint32_t wdt_open;                                 // Indicates whether the open() API has been successfully
+                                                       // called.
+    R_WDT0_Type * p_reg;                               // Base register for this channel
+    void const  * p_context;                           // Placeholder for user data.  Passed to the user callback in
+                                                       // wdt_callback_args_t.
+    void (* p_callback)(wdt_callback_args_t * p_args); // Callback provided when a WDT ISR occurs.
+    wdt_callback_args_t * p_callback_memory;           // Pointer to non-secure memory that can be used to pass arguments to a callback in non-secure memory.
+} wdt_instance_ctrl_t;
+
+/**********************************************************************************************************************
+ * Exported global variables
+ **********************************************************************************************************************/
+
+/** @cond INC_HEADER_DEFS_SEC */
+/** Filled in Interface API structure for this Instance. */
+extern const wdt_api_t g_wdt_on_wdt;
+
+/** @endcond */
+
+/**********************************************************************************************************************
+ * Public Function Prototypes
+ **********************************************************************************************************************/
+fsp_err_t R_WDT_Refresh(wdt_ctrl_t * const p_ctrl);
+
+fsp_err_t R_WDT_Open(wdt_ctrl_t * const p_ctrl, wdt_cfg_t const * const p_cfg);
+
+fsp_err_t R_WDT_StatusClear(wdt_ctrl_t * const p_ctrl, const wdt_status_t status);
+
+fsp_err_t R_WDT_StatusGet(wdt_ctrl_t * const p_ctrl, wdt_status_t * const p_status);
+
+fsp_err_t R_WDT_CounterGet(wdt_ctrl_t * const p_ctrl, uint32_t * const p_count);
+
+fsp_err_t R_WDT_TimeoutGet(wdt_ctrl_t * const p_ctrl, wdt_timeout_values_t * const p_timeout);
+
+fsp_err_t R_WDT_CallbackSet(wdt_ctrl_t * const          p_ctrl,
+                            void (                    * p_callback)(wdt_callback_args_t *),
+                            void const * const          p_context,
+                            wdt_callback_args_t * const p_callback_memory);
+
+/* Common macro for FSP header files. There is also a corresponding FSP_HEADER macro at the top of this file. */
+FSP_FOOTER
+
+#endif                                 // R_WDT_H
+
+/*******************************************************************************************************************//**
+ * @} (end addtogroup WDT)
+ **********************************************************************************************************************/