diff options
| author | Zhao Qiang <B45475@freescale.com> | 2014-04-01 17:10:50 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2015-09-17 09:20:38 -0500 |
| commit | 8af2be433e496f81f60af2abece0093df22fc38c (patch) | |
| tree | 6b3bff61a4acbf135508dc86bdd12a84cc0dcd03 /drivers/spi | |
| parent | cf98f8a3d6452ff743ef6999e51c14a63b48eabf (diff) | |
spi: add "spi-lsb-first" to devicetree
add optional property devicetree for SPI slave nodes
into devicetree so that LSB mode can be enabled by devicetree.
Signed-off-by: Zhao Qiang <B45475@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
(cherry picked from commit cd6339e6ced387ad67b5551dd2931cfd7e8b970b)
(cherry picked from commit 09623c20b3e6b11a914343d4b0f15b63e683f0d8)
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 0cab08ee8703..bc04e9bebfa4 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1241,6 +1241,8 @@ static void of_register_spi_devices(struct spi_master *master) spi->mode |= SPI_CS_HIGH; if (of_find_property(nc, "spi-3wire", NULL)) spi->mode |= SPI_3WIRE; + if (of_find_property(nc, "spi-lsb-first", NULL)) + spi->mode |= SPI_LSB_FIRST; /* Device DUAL/QUAD mode */ if (!of_property_read_u32(nc, "spi-tx-bus-width", &value)) { |