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drivers: wifi: eswifi: convert to spi_dt_spec

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Convert eswifi driver to use `spi_dt_spec` helpers.

Signed-off-by: Bartosz Bilas <bartosz.bilas@hotmail.com>
This commit is contained in:
Bartosz Bilas 2021-10-11 22:02:30 +02:00 • committed by Christopher Friedt
commit 7965d7582b
1 changed files with 11 additions and 26 deletions
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37
drivers/wifi/eswifi/eswifi_bus_spi.c
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@ -24,12 +24,10 @@ K_KERNEL_STACK_MEMBER(eswifi_spi_poll_stack, ESWIFI_SPI_THREAD_STACK_SIZE);
#define SPI_READ_CHUNK_SIZE 32
struct eswifi_spi_data {
const struct device *spi_dev;
struct spi_dt_spec bus;
struct eswifi_gpio csn;
struct eswifi_gpio dr;
struct k_thread poll_thread;
struct spi_config spi_cfg;
struct spi_cs_control spi_cs;
};
static struct eswifi_spi_data eswifi_spi0; /* Static instance */
@ -63,7 +61,7 @@ static int eswifi_spi_write(struct eswifi_dev *eswifi, char *data, size_t dlen)
spi_tx.buffers = spi_tx_buf;
spi_tx.count = ARRAY_SIZE(spi_tx_buf);
status = spi_write(spi->spi_dev, &spi->spi_cfg, &spi_tx);
status = spi_write_dt(&spi->bus, &spi_tx);
if (status) {
LOG_ERR("SPI write error %d", status);
} else {
@ -85,7 +83,7 @@ static int eswifi_spi_read(struct eswifi_dev *eswifi, char *data, size_t dlen)
spi_rx.buffers = spi_rx_buf;
spi_rx.count = ARRAY_SIZE(spi_rx_buf);
status = spi_read(spi->spi_dev, &spi->spi_cfg, &spi_rx);
status = spi_read_dt(&spi->bus, &spi_rx);
if (status) {
LOG_ERR("SPI read error %d", status);
} else {
@ -145,7 +143,7 @@ static int eswifi_spi_request(struct eswifi_dev *eswifi, char *cmd, size_t clen,
eswifi_spi_write(eswifi, cmd, clen);
/* Our device is flagged with SPI_HOLD_ON_CS|SPI_LOCK_ON, release */
spi_release(spi->spi_dev, &spi->spi_cfg);
spi_release_dt(&spi->bus);
data:
/* CMD/DATA READY signals the Data Phase */
@ -170,7 +168,7 @@ data:
}
/* Our device is flagged with SPI_HOLD_ON_CS|SPI_LOCK_ON, release */
spi_release(spi->spi_dev, &spi->spi_cfg);
spi_release_dt(&spi->bus);
LOG_DBG("success");
@ -226,13 +224,6 @@ int eswifi_spi_init(struct eswifi_dev *eswifi)
{
struct eswifi_spi_data *spi = &eswifi_spi0; /* Static instance */
/* SPI DEV */
spi->spi_dev = device_get_binding(DT_INST_BUS_LABEL(0));
if (!spi->spi_dev) {
LOG_ERR("Failed to initialize SPI driver");
return -ENODEV;
}
/* SPI DATA READY PIN */
spi->dr.dev = device_get_binding(
DT_INST_GPIO_LABEL(0, data_gpios));
@ -246,18 +237,12 @@ int eswifi_spi_init(struct eswifi_dev *eswifi)
DT_INST_GPIO_FLAGS(0, data_gpios) |
GPIO_INPUT);
/* SPI CONFIG/CS */
spi->spi_cfg.frequency = DT_INST_PROP(0, spi_max_frequency);
spi->spi_cfg.operation = (SPI_OP_MODE_MASTER | SPI_TRANSFER_MSB |
SPI_WORD_SET(16) | SPI_LINES_SINGLE |
SPI_HOLD_ON_CS | SPI_LOCK_ON);
spi->spi_cfg.slave = DT_INST_REG_ADDR(0);
spi->spi_cs.gpio_dev =
device_get_binding(DT_INST_SPI_DEV_CS_GPIOS_LABEL(0));
spi->spi_cs.gpio_pin = DT_INST_SPI_DEV_CS_GPIOS_PIN(0);
spi->spi_cs.gpio_dt_flags = DT_INST_SPI_DEV_CS_GPIOS_FLAGS(0);
spi->spi_cs.delay = 1000U;
spi->spi_cfg.cs = &spi->spi_cs;
/* SPI BUS */
spi->bus = (struct spi_dt_spec) SPI_DT_SPEC_INST_GET(0,
SPI_OP_MODE_MASTER | SPI_TRANSFER_MSB |
SPI_WORD_SET(16) | SPI_LINES_SINGLE |
SPI_HOLD_ON_CS | SPI_LOCK_ON,
1000U);
eswifi->bus_data = spi;