spi: spi-fsl-dspi: add SPI_LSB_FIRST to driver capabilities

The driver as well as the controller support the SPI lsb first
mode. However, it's not possible to configure it e.g. when using
spidev. Adding this flag to mode_bits resolves the issue and lsb first
mode can be used.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kurt Kanzenbach 2017-11-13 08:47:21 +01:00 committed by Mark Brown
parent abbdb5ce31
commit 00ac956215
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1 changed files with 1 additions and 1 deletions

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@ -980,7 +980,7 @@ static int dspi_probe(struct platform_device *pdev)
master->dev.of_node = pdev->dev.of_node;
master->cleanup = dspi_cleanup;
master->mode_bits = SPI_CPOL | SPI_CPHA;
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
master->bits_per_word_mask = SPI_BPW_MASK(4) | SPI_BPW_MASK(8) |
SPI_BPW_MASK(16);