4  * SPDX-License-Identifier: Apache-2.0
11 #include <zephyr/drivers/spi.h>
20 /* SPI device */
21 static const struct spi_dt_spec spi = SPI_DT_SPEC_INST_GET(0,  variable
40 #define MAX_READ_LEN (UINT16_MAX - ADDR_SIZE - DUMMY_READ_SIZE)
41 #define MAX_WRITE_LEN (UINT16_MAX - ADDR_SIZE)
47 static void insert_addr(uint32_t addr, uint8_t *buff)  in insert_addr()  argument
49 	buff[0] = (addr >> 16) & 0x3f;  in insert_addr()
50 	buff[1] = (addr >> 8) & 0xff;  in insert_addr()
51 	buff[2] = (addr) & 0xff;  in insert_addr()
58 	if (!spi_is_ready_dt(&spi)) {  in ft8xx_drv_init()
59 		LOG_ERR("SPI bus %s not ready", spi.bus->name);  in ft8xx_drv_init()
60 		return -ENODEV;  in ft8xx_drv_init()
67 		LOG_ERR("GPIO device %s is not ready", irq_gpio.port->name);  in ft8xx_drv_init()
68 		return -ENODEV;  in ft8xx_drv_init()
112 	ret = spi_write_dt(&spi, &tx_bufs);  in ft8xx_drv_write()
114 		LOG_ERR("SPI write error: %d", ret);  in ft8xx_drv_write()
155 	ret = spi_transceive_dt(&spi, &tx_bufs, &rx_bufs);  in ft8xx_drv_read()
157 		LOG_ERR("SPI transceive error: %d", ret);  in ft8xx_drv_read()
181 	ret = spi_write_dt(&spi, &tx_bufs);  in ft8xx_drv_command()
183 		LOG_ERR("SPI command error: %d", ret);  in ft8xx_drv_command()