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