Commit 6b65d60d authored by Aksel Skauge Mellbye's avatar Aksel Skauge Mellbye Committed by Benjamin Cabé
Browse files

drivers: spi: gecko: eusart: Support LSB first and GPIO CS 

Propagate bit ordering and type of CS pin to HAL layer. Previously,
the driver assumed MSB first and EUSART hardware CS control.

Signed-off-by: default avatarAksel Skauge Mellbye <aksel.mellbye@silabs.com>
parent 93cb20be

drivers/spi/spi_gecko_eusart.c

+2 −5
Changes for drivers/spi/spi_gecko_eusart.c: 2 added lines, 5 removed lines.
Original line number Diff line number Diff line
@@ -82,11 +82,6 @@ static int spi_eusart_config(const struct device *dev, const struct spi_config * 
		return -ENOTSUP;

	}



	if (config->operation & SPI_TRANSFER_LSB) {

		LOG_ERR("LSB first not supported");

		return -ENOTSUP;

	}



	if (config->operation & SPI_OP_MODE_SLAVE) {

		LOG_ERR("Slave mode not supported");

		return -ENOTSUP;
@@ -133,6 +128,8 @@ static int spi_eusart_config(const struct device *dev, const struct spi_config * 
		eusartAdvancedSpiInit.csPolarity = eusartCsActiveLow;

	}



	eusartAdvancedSpiInit.msbFirst = !(config->operation & SPI_TRANSFER_LSB);

	eusartAdvancedSpiInit.autoCsEnable = !spi_cs_is_gpio(config);

	eusartInit.databits = eusartDataBits8;

	eusartInit.advancedSettings = &eusartAdvancedSpiInit;

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