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67 lines
1.6 KiB
67 lines
1.6 KiB
/* |
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* Copyright 2022-2023 NXP |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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#ifndef ZEPHYR_DRIVERS_SPI_SPI_NXP_S32_H_ |
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#define ZEPHYR_DRIVERS_SPI_SPI_NXP_S32_H_ |
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#include <zephyr/drivers/spi.h> |
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#include <zephyr/drivers/spi/rtio.h> |
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#include <zephyr/logging/log.h> |
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#define LOG_LEVEL CONFIG_SPI_LOG_LEVEL |
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LOG_MODULE_REGISTER(spi_nxp_s32); |
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#include "spi_context.h" |
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#include <Spi_Ip.h> |
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#define SPI_NXP_S32_NUM_PRESCALER 4U |
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#define SPI_NXP_S32_NUM_SCALER 16U |
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/* Modified SPI transfer format is not supported, |
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* the maximum baudrate is 25Mhz. |
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*/ |
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#define SPI_NXP_S32_MIN_FREQ 100000U |
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#define SPI_NXP_S32_MAX_FREQ 25000000U |
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#define SPI_NXP_S32_BYTE_PER_FRAME(frame_size) \ |
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(frame_size <= 8U) ? 1U : ((frame_size <= 16U) ? 2U : 4U) |
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#define SPI_NXP_S32_MAX_BYTES_PER_PACKAGE(bytes_per_frame) \ |
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((UINT16_MAX / bytes_per_frame) * bytes_per_frame) |
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struct spi_nxp_s32_baudrate_param { |
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uint8_t scaler; |
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uint8_t prescaler; |
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uint32_t frequency; |
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}; |
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struct spi_nxp_s32_data { |
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uint8_t bytes_per_frame; |
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uint32_t transfer_len; |
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struct spi_context ctx; |
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Spi_Ip_ExternalDeviceType transfer_cfg; |
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Spi_Ip_DeviceParamsType transfer_params; |
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}; |
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struct spi_nxp_s32_config { |
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uint8_t num_cs; |
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const struct device *clock_dev; |
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clock_control_subsys_t clock_subsys; |
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uint32_t sck_cs_delay; |
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uint32_t cs_sck_delay; |
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uint32_t cs_cs_delay; |
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Spi_Ip_ConfigType *spi_hw_cfg; |
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const struct pinctrl_dev_config *pincfg; |
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#ifdef CONFIG_NXP_S32_SPI_INTERRUPT |
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Spi_Ip_CallbackType cb; |
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void (*irq_config_func)(const struct device *dev); |
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#endif /* CONFIG_NXP_S32_SPI_INTERRUPT */ |
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}; |
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#endif /* ZEPHYR_DRIVERS_SPI_SPI_NXP_S32_H_ */
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