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| author | Wolfgang Ocker <weo@reccoware.de> | 2008-10-15 15:00:47 +0200 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2008-10-20 23:34:01 -0500 |
| commit | f618ebfcbf9616a0fa9a78f5ecb69762f0fa3c59 (patch) | |
| tree | 89ac6262cce1610e61aa846ae305ea2c0c6323b2 /drivers | |
| parent | fd657efc67dbd70f422285101a50c2e84d03463d (diff) | |
| download | linux-f618ebfcbf9616a0fa9a78f5ecb69762f0fa3c59.tar.gz linux-f618ebfcbf9616a0fa9a78f5ecb69762f0fa3c59.tar.bz2 linux-f618ebfcbf9616a0fa9a78f5ecb69762f0fa3c59.zip | |
of/spi: Support specifying chip select as active high via device tree
The patch allows to specify that an SPI device needs an active high chip
select.
Signed-off-by: Wolfgang Ocker <weo@reccoware.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/of/of_spi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/of/of_spi.c b/drivers/of/of_spi.c index b01eec026f68..bed0ed6dcdc1 100644 --- a/drivers/of/of_spi.c +++ b/drivers/of/of_spi.c @@ -61,6 +61,8 @@ void of_register_spi_devices(struct spi_master *master, struct device_node *np) spi->mode |= SPI_CPHA; if (of_find_property(nc, "spi-cpol", NULL)) spi->mode |= SPI_CPOL; + if (of_find_property(nc, "spi-cs-high", NULL)) + spi->mode |= SPI_CS_HIGH; /* Device speed */ prop = of_get_property(nc, "spi-max-frequency", &len); |