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path: root/drivers/spi/omap3_spi.c
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Diffstat (limited to 'drivers/spi/omap3_spi.c')
-rw-r--r--drivers/spi/omap3_spi.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c
index e40a632..6791a7e 100644
--- a/drivers/spi/omap3_spi.c
+++ b/drivers/spi/omap3_spi.c
@@ -173,14 +173,13 @@ int spi_claim_bus(struct spi_slave *slave)
/* standard 4-wire master mode: SCK, MOSI/out, MISO/in, nCS
* REVISIT: this controller could support SPI_3WIRE mode.
*/
-#ifdef CONFIG_AM33XX
+#ifdef CONFIG_OMAP3_SPI_D0_D1_SWAPPED
/*
- * The reference design on AM33xx has D0 and D1 wired up opposite
- * of how it has been done on previous platforms. We assume that
- * custom hardware will also follow this convention.
+ * Some boards have D0 wired as MOSI / D1 as MISO instead of
+ * The normal D0 as MISO / D1 as MOSI.
*/
- conf &= OMAP3_MCSPI_CHCONF_DPE0;
- conf |= ~(OMAP3_MCSPI_CHCONF_IS|OMAP3_MCSPI_CHCONF_DPE1);
+ conf &= ~OMAP3_MCSPI_CHCONF_DPE0;
+ conf |= OMAP3_MCSPI_CHCONF_IS|OMAP3_MCSPI_CHCONF_DPE1;
#else
conf &= ~(OMAP3_MCSPI_CHCONF_IS|OMAP3_MCSPI_CHCONF_DPE1);
conf |= OMAP3_MCSPI_CHCONF_DPE0;