misc: ft8xx: convert to spi_dt_spec

Convert SPI usage to `struct spi_dt_spec`.

Signed-off-by: Kumar Gala <[email protected]>

Author: galak

drivers/misc/ft8xx/ft8xx_drv.c

@@ -18,13 +18,9 @@ LOG_MODULE_REGISTER(LOG_MODULE_NAME);
 #define NODE_ID DT_INST(0, DT_DRV_COMPAT)
 
 /* SPI device */
-static const struct device *spi_ft8xx_dev;
-static struct spi_cs_control cs_ctrl;
-static const struct spi_config spi_cfg = {
-	.frequency = 8000000UL,
-	.operation = SPI_WORD_SET(8) | SPI_OP_MODE_MASTER,
-	.cs = &cs_ctrl,
-};
+static const struct spi_dt_spec spi = SPI_DT_SPEC_INST_GET(0,
+					 SPI_WORD_SET(8) | SPI_OP_MODE_MASTER,
+					 0);
 
 /* GPIO int line */
 #define IRQ_PIN DT_GPIO_PIN(NODE_ID, irq_gpios)
@@ -60,16 +56,8 @@ int ft8xx_drv_init(void)
 {
 	int ret;
 
-	cs_ctrl = (struct spi_cs_control){
-		.gpio_dev = device_get_binding(
-				DT_SPI_DEV_CS_GPIOS_LABEL(NODE_ID)),
-		.gpio_pin = DT_SPI_DEV_CS_GPIOS_PIN(NODE_ID),
-		.gpio_dt_flags = DT_SPI_DEV_CS_GPIOS_FLAGS(NODE_ID),
-		.delay = 0,
-	};
-
-	spi_ft8xx_dev = device_get_binding(DT_BUS_LABEL(NODE_ID));
-	if (!spi_ft8xx_dev) {
+	if (!spi_is_ready(&spi)) {
+		LOG_ERR("SPI bus %s not ready", spi.bus->name);
 		return -ENODEV;
 	}
 
@@ -124,7 +112,7 @@ int ft8xx_drv_write(uint32_t address, const uint8_t *data, unsigned int length)
 		.count = 2,
 	};
 
-	ret = spi_write(spi_ft8xx_dev, &spi_cfg, &tx_bufs);
+	ret = spi_write_dt(&spi, &tx_bufs);
 	if (ret < 0) {
 		LOG_ERR("SPI write error: %d", ret);
 	}
@@ -167,7 +155,7 @@ int ft8xx_drv_read(uint32_t address, uint8_t *data, unsigned int length)
 		.count = 2,
 	};
 
-	ret = spi_transceive(spi_ft8xx_dev, &spi_cfg, &tx_bufs, &rx_bufs);
+	ret = spi_transceive_dt(&spi, &tx_bufs, &rx_bufs);
 	if (ret < 0) {
 		LOG_ERR("SPI transceive error: %d", ret);
 	}
@@ -193,7 +181,7 @@ int ft8xx_drv_command(uint8_t command)
 		.count = 1,
 	};
 
-	ret = spi_write(spi_ft8xx_dev, &spi_cfg, &tx_bufs);
+	ret = spi_write_dt(&spi, &tx_bufs);
 	if (ret < 0) {
 		LOG_ERR("SPI command error: %d", ret);
 	}