drivers: spi: spi_mcux_ecspi: Ignore chip select channel with cs-gpios (7d59e9f1) · Commits · Wenxi XU / zephyr

The internal chip selects are limited to 4, however when using GPIOS does not pose this limitation. Also set internal channel to 0 if GPIOS are used. Signed-off-by:

Pieter De Gendt <pieter.degendt@basalte.be> (cherry picked from commit )

drivers/spi/spi_mcux_ecspi.c

+3 −2

Changes for drivers/spi/spi_mcux_ecspi.c: 3 added lines, 2 removed lines.
Original line number	Diff line number	Diff line
		@@ -163,7 +163,7 @@ static int spi_mcux_configure(const struct device *dev,
		return -ENOTSUP;
		}

		if (spi_cfg->slave > kECSPI_Channel3) {
		if (!spi_cs_is_gpio(spi_cfg) && spi_cfg->slave > kECSPI_Channel3) {
		LOG_ERR("Slave %d is greater than %d", spi_cfg->slave, kECSPI_Channel3);
		return -EINVAL;
		}
		@@ -181,7 +181,8 @@ static int spi_mcux_configure(const struct device *dev,

		ECSPI_MasterGetDefaultConfig(&master_config);

		master_config.channel = (ecspi_channel_source_t)spi_cfg->slave;
		master_config.channel =
		spi_cs_is_gpio(spi_cfg) ? kECSPI_Channel0 : (ecspi_channel_source_t)spi_cfg->slave;
		master_config.channelConfig.polarity =
		(SPI_MODE_GET(spi_cfg->operation) & SPI_MODE_CPOL)
		? kECSPI_PolarityActiveLow

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