1 /* ST Microelectronics IIS2MDC 3-axis magnetometer sensor
5  * SPDX-License-Identifier: Apache-2.0
17 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
23 static int iis2mdc_spi_read(const struct device *dev, uint8_t reg,  in iis2mdc_spi_read()  argument
26 	const struct iis2mdc_dev_config *cfg = dev->config;  in iis2mdc_spi_read()
52 		return -EIO;  in iis2mdc_spi_read()
55 	if (spi_transceive_dt(&cfg->spi, &tx, &rx)) {  in iis2mdc_spi_read()
56 		return -EIO;  in iis2mdc_spi_read()
62 static int iis2mdc_spi_write(const struct device *dev, uint8_t reg,  in iis2mdc_spi_write()  argument
65 	const struct iis2mdc_dev_config *cfg = dev->config;  in iis2mdc_spi_write()
83 		return -EIO;  in iis2mdc_spi_write()
86 	if (spi_write_dt(&cfg->spi, &tx)) {  in iis2mdc_spi_write()
87 		return -EIO;  in iis2mdc_spi_write()
93 int iis2mdc_spi_init(const struct device *dev)  in iis2mdc_spi_init()  argument
95 	struct iis2mdc_data *data = dev->data;  in iis2mdc_spi_init()
96 	const struct iis2mdc_dev_config *const cfg = dev->config;  in iis2mdc_spi_init()
98 	if (!spi_is_ready_dt(&cfg->spi)) {  in iis2mdc_spi_init()
99 		LOG_ERR("SPI bus is not ready");  in iis2mdc_spi_init()
100 		return -ENODEV;  in iis2mdc_spi_init()
103 	data->ctx_spi.read_reg = (stmdev_read_ptr) iis2mdc_spi_read;  in iis2mdc_spi_init()
104 	data->ctx_spi.write_reg = (stmdev_write_ptr) iis2mdc_spi_write;  in iis2mdc_spi_init()
105 	data->ctx_spi.mdelay = (stmdev_mdelay_ptr) stmemsc_mdelay;  in iis2mdc_spi_init()
107 	data->ctx = &data->ctx_spi;  in iis2mdc_spi_init()
108 	data->ctx->handle = (void *)dev;  in iis2mdc_spi_init()
112 #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) */