84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
/****************************************************************************
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* arch/arm/src/s32k3xx/s32k3xx_fs26.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/* Copyright 2022 NXP
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* This FS26 driver is intended for ENGINEERING DEVELOPMENT OR EVALUATION
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* PURPOSES ONLY. It is provided as an example to disable the FS26 watchdog
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* functionality for development on the S32K3XX platform. Please refer to
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* the datasheets and application hints provided on NXP.com to implement
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* full functionality.
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*/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <inttypes.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <assert.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/irq.h>
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#include <nuttx/arch.h>
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#include <nuttx/semaphore.h>
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#include <nuttx/spi/spi.h>
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#include <nuttx/power/pm.h>
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#include "arm_internal.h"
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#include "chip.h"
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#include "s32k3xx_pin.h"
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#include "hardware/s32k3xx_pinmux.h"
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#include "hardware/s32k3xx_lpspi.h"
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#include "s32k3xx_clockconfig.h"
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#include "s32k3xx_lpspi.h"
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#include <arch/board/board.h>
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#if defined(CONFIG_S32K3XX_FS26)
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/****************************************************************************
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* Data Types
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****************************************************************************/
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struct fs26_dev_s
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{
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struct spi_dev_s *spi; /* Saved SPI driver instance */
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uint8_t device_status; /* Latest General device status */
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};
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typedef enum
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{
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FS26_WD_DISABLED = 0U, /* Watchdog refresh disabled */
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FS26_WD_SIMPLE = 1U, /* Simple watchdog refresh */
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FS26_WD_CHALLENGER = 2U /* Challenger watchdog refresh */
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} fs26_watchdog_type;
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void fs26_initialize(struct spi_dev_s *spi);
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#endif /* CONFIG_S32K3XX_FS26 */
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