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drivers: adc: mcp320x: convert to spi_dt_spec

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Convert mcp320x driver to use `spi_dt_spec` helpers.

Signed-off-by: Bartosz Bilas <bartosz.bilas@hotmail.com>
This commit is contained in:
Bartosz Bilas 2021-10-27 21:10:59 +02:00 • committed by Christopher Friedt
commit 7e43332436
1 changed files with 6 additions and 17 deletions
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23
drivers/adc/adc_mcp320x.c
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@ -26,8 +26,7 @@ LOG_MODULE_REGISTER(adc_mcp320x, CONFIG_ADC_LOG_LEVEL);
#define MCP320X_RESOLUTION 12U
struct mcp320x_config {
const struct device *spi_dev;
struct spi_config spi_cfg;
struct spi_dt_spec bus;
uint8_t channels;
};
@ -223,7 +222,7 @@ static int mcp320x_read_channel(const struct device *dev, uint8_t channel,
tx_bytes[0] |= BIT(1);
}
err = spi_transceive(config->spi_dev, &config->spi_cfg, &tx, &rx);
err = spi_transceive_dt(&config->bus, &tx, &rx);
if (err) {
return err;
}
@ -276,18 +275,9 @@ static int mcp320x_init(const struct device *dev)
k_sem_init(&data->sem, 0, 1);
if (!device_is_ready(config->spi_dev)) {
LOG_ERR("SPI master device '%s' not ready",
config->spi_dev->name);
return -EINVAL;
}
if (config->spi_cfg.cs) {
if (!device_is_ready(config->spi_cfg.cs->gpio_dev)) {
LOG_ERR("SPI CS GPIO device '%s' not ready",
config->spi_cfg.cs->gpio_dev->name);
return -EINVAL;
}
if (!spi_is_ready(&config->bus)) {
LOG_ERR("SPI bus is not ready");
return -ENODEV;
}
k_thread_create(&data->thread, data->stack,
@ -319,8 +309,7 @@ static const struct adc_driver_api mcp320x_adc_api = {
ADC_CONTEXT_INIT_SYNC(mcp##t##_data_##n, ctx), \
}; \
static const struct mcp320x_config mcp##t##_config_##n = { \
.spi_dev = DEVICE_DT_GET(DT_BUS(INST_DT_MCP320X(n, t))), \
.spi_cfg = SPI_CONFIG_DT(INST_DT_MCP320X(n, t), \
.bus = SPI_DT_SPEC_GET(INST_DT_MCP320X(n, t), \
SPI_OP_MODE_MASTER | SPI_TRANSFER_MSB | \
SPI_WORD_SET(8), 0), \
.channels = ch, \