hal: renesas: rx: Add LVD HAL support for RX130

Add LVD HAL support for RX130 with r_lvd_rx RDP

Signed-off-by: Quy Tran <[email protected]>

Author: quytranpzz

drivers/rx/CMakeLists.txt

@@ -125,3 +125,14 @@ if(CONFIG_USE_RX_RDP_IWDT)
 		rdp/src/r_iwdt_rx/src/r_iwdt_rx.c
 	)
 endif()
+
+if(CONFIG_USE_RX_RDP_LVD)
+	zephyr_library_sources(
+		rdp/src/r_lvd_rx/src/r_lvd_rx_hw.c
+		rdp/src/r_lvd_rx/src/r_lvd_rx.c
+	)
+	zephyr_include_directories(
+		rdp/src/r_lvd_rx
+		rdp/src/r_lvd_rx/src
+		rdp/src/r_lvd_rx/src/targets/${CONFIG_SOC_SERIES})
+endif()

drivers/rx/rdp/src/r_lvd_rx/r_lvd_rx_if.h

@@ -0,0 +1,124 @@
+/***********************************************************************************************************************
+* Copyright (c) 2016 - 2025 Renesas Electronics Corporation and/or its affiliates
+*
+* SPDX-License-Identifier: BSD-3-Clause
+***********************************************************************************************************************/
+/***********************************************************************************************************************
+* File Name    : r_lvd_rx_if.h
+* Description  : Functions for using LVD on RX devices.
+***********************************************************************************************************************/
+/***********************************************************************************************************************
+* History      : DD.MM.YYYY Version  Description
+*              : 15.06.2016 2.00     First Release
+*              : 01.10.2016 2.10     Deleted Tool-Chain version.
+*              : 19.12.2016 2.20     Added support for RX24U, RX24T(512KB).
+*              :                     Deleted unnecessary header information.
+*              : 09.06.2017 2.30     Added support for RX130-512K, RX65N-2M.
+*              : 28.09.2018 2.40     Added support for RX66T.
+*              : 01.02.2019 2.50     Added support for RX72T, RX65N-64pin.
+*              : 20.05.2019 3.00     Added support for GNUC and ICCRX.
+*              : 31.03.2023 4.40     Fixed to comply with GSCE Coding Standards Rev.6.5.0.
+*              : 28.06.2024 4.80     Fixed to comply with GSCE Coding Standards Rev.6.5.0.
+*              : 15.03.2025 4.81     Updated disclaimer.
+***********************************************************************************************************************/
+#ifndef LVD_INTERFACE_HEADER_FILE
+#define LVD_INTERFACE_HEADER_FILE
+
+/***********************************************************************************************************************
+Includes <System Includes> , "Project Includes"
+***********************************************************************************************************************/
+/* Includes board and MCU related header files. */
+#include "platform.h"
+
+/***********************************************************************************************************************
+Macro definitions
+***********************************************************************************************************************/
+
+#if R_BSP_VERSION_MAJOR < 5
+    #error "This module must use BSP module of Rev.5.00 or higher. Please use the BSP module of Rev.5.00 or higher."
+#endif
+
+/***********************************************************************************************************************
+Typedef definitions
+***********************************************************************************************************************/
+
+/* This section describes return values which can be used with the LVD FIT module. */
+typedef enum
+{
+    LVD_SUCCESS = 0,
+    LVD_ERR_INVALID_PTR,
+    LVD_ERR_INVALID_FUNC, 
+    LVD_ERR_INVALID_DATA,
+    LVD_ERR_INVALID_CHAN,
+    LVD_ERR_INVALID_ARG,
+    LVD_ERR_UNSUPPORTED,
+    LVD_ERR_ALREADY_OPEN,
+    LVD_ERR_NOT_OPENED,
+    LVD_ERR_LOCO_STOPPED
+} lvd_err_t;
+
+/* This enum defines channels that can be used with the MCU. */
+typedef enum
+{
+    LVD_CHANNEL_1 = 0,
+    LVD_CHANNEL_2,
+    LVD_CHANNEL_INVALID
+} lvd_channel_t;
+
+/* This enum defines voltage detection conditions and influences interrupt conditions and the LVD status. A reset     */
+/* occurs when the monitored voltage is below the voltage detection level, thus it is not influenced by this enum.    */
+typedef enum
+{
+    LVD_TRIGGER_RISE = 0,
+    LVD_TRIGGER_FALL,
+    LVD_TRIGGER_BOTH,
+    LVD_TRIGGER_INVALID
+}lvd_trigger_t;
+
+/* This enum defines the status whether the monitored voltage is above or below the voltage detection level. */
+typedef enum
+{
+    LVD_STATUS_POSITION_ABOVE = 0,
+    LVD_STATUS_POSITION_BELOW,
+    LVD_STATUS_POSITION_INVALID
+}lvd_status_position_t;
+
+/* This enum defines whether the voltage crossed the voltage detection level. */
+typedef enum
+{
+    LVD_STATUS_CROSS_NONE = 0,
+    LVD_STATUS_CROSS_OVER,
+    LVD_STATUS_CROSS_INVALID
+}lvd_status_cross_t;
+
+/* This data structure defines the structure which is sent to the R_LVD_Open() function. */
+typedef struct
+{
+    lvd_trigger_t   trigger;
+}lvd_config_t;
+
+/* This data structure defines the structure which is sent to the callback function. */
+typedef struct
+{
+    bsp_int_src_t   vector;
+} lvd_int_cb_args_t;
+
+/***********************************************************************************************************************
+Imported global variables and functions (from other files)
+***********************************************************************************************************************/
+extern lvd_err_t R_LVD_Open (lvd_channel_t channel, lvd_config_t const *p_cfg, void (*p_callback)(void *));
+extern lvd_err_t R_LVD_Close (lvd_channel_t channel);
+extern lvd_err_t R_LVD_GetStatus   (lvd_channel_t channel,
+                                    lvd_status_position_t * p_status_position,
+                                    lvd_status_cross_t * p_status_cross);
+extern lvd_err_t R_LVD_ClearStatus (lvd_channel_t channel);
+extern uint32_t  R_LVD_GetVersion (void);
+
+/***********************************************************************************************************************
+Exported global variables and functions (to be accessed by other files)
+***********************************************************************************************************************/
+
+#endif /* LVD_INTERFACE_HEADER_FILE */
+
+/* End of File */
+