of/spi: Support specifying chip select as active high via device tree

[linux-2.6-omap-h63xx.git] / drivers / of / of_spi.c

diff --git a/drivers/of/of_spi.c b/drivers/of/of_spi.c
index b01eec026f68b3f8765bd50d35070757b1795785..bed0ed6dcdc1329259c58a72e2b697bfbd72e091 100644 (file)
--- 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);