spi.h

Go to the documentation of this file.

 
/*
 * Copyright (c) 2020 Nordic Semiconductor
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DEVICETREE_SPI_H_
#define ZEPHYR_INCLUDE_DEVICETREE_SPI_H_
 
#ifdef __cplusplus
extern "C" {
#endif


#define DT_SPI_HAS_CS_GPIOS(spi) DT_NODE_HAS_PROP(spi, cs_gpios)

#define DT_SPI_NUM_CS_GPIOS(spi) \
        COND_CODE_1(DT_SPI_HAS_CS_GPIOS(spi), \
                    (DT_PROP_LEN(spi, cs_gpios)), (0))

#define DT_SPI_DEV_HAS_CS_GPIOS(spi_dev) DT_SPI_HAS_CS_GPIOS(DT_BUS(spi_dev))

#define DT_SPI_DEV_CS_GPIOS_CTLR(spi_dev) \
        DT_GPIO_CTLR_BY_IDX(DT_BUS(spi_dev), cs_gpios, DT_REG_ADDR_RAW(spi_dev))

#define DT_SPI_DEV_CS_GPIOS_PIN(spi_dev) \
        DT_GPIO_PIN_BY_IDX(DT_BUS(spi_dev), cs_gpios, DT_REG_ADDR_RAW(spi_dev))

#define DT_SPI_DEV_CS_GPIOS_FLAGS(spi_dev) \
        DT_GPIO_FLAGS_BY_IDX(DT_BUS(spi_dev), cs_gpios, DT_REG_ADDR_RAW(spi_dev))

#define DT_INST_SPI_DEV_HAS_CS_GPIOS(inst) \
        DT_SPI_DEV_HAS_CS_GPIOS(DT_DRV_INST(inst))

#define DT_INST_SPI_DEV_CS_GPIOS_CTLR(inst) \
        DT_SPI_DEV_CS_GPIOS_CTLR(DT_DRV_INST(inst))

#define DT_INST_SPI_DEV_CS_GPIOS_PIN(inst) \
        DT_SPI_DEV_CS_GPIOS_PIN(DT_DRV_INST(inst))

#define DT_INST_SPI_DEV_CS_GPIOS_FLAGS(inst) \
        DT_SPI_DEV_CS_GPIOS_FLAGS(DT_DRV_INST(inst))

 
#ifdef __cplusplus
}
#endif
 
#endif  /* ZEPHYR_INCLUDE_DEVICETREE_SPI_H_ */