diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index ea61724..a6ba11a 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -915,6 +915,28 @@
 	OMAP24XX_DMA_SPI2_TX1,
 };
 
+#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX)
+static u8 __initdata spi3_rxdma_id[] = {
+	OMAP24XX_DMA_SPI3_RX0,
+	OMAP24XX_DMA_SPI3_RX1,
+};
+
+static u8 __initdata spi3_txdma_id[] = {
+	OMAP24XX_DMA_SPI3_TX0,
+	OMAP24XX_DMA_SPI3_TX1,
+};
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+static u8 __initdata spi4_rxdma_id[] = {
+	OMAP34XX_DMA_SPI4_RX0,
+};
+
+static u8 __initdata spi4_txdma_id[] = {
+	OMAP34XX_DMA_SPI4_TX0,
+};
+#endif
+
 static int __init omap2_mcspi_probe(struct platform_device *pdev)
 {
 	struct spi_master	*master;
@@ -935,7 +957,20 @@
 		txdma_id = spi2_txdma_id;
 		num_chipselect = 2;
 		break;
-	/* REVISIT omap2430 has a third McSPI ... */
+#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
+	case 3:
+		rxdma_id = spi3_rxdma_id;
+		txdma_id = spi3_txdma_id;
+		num_chipselect = 2;
+		break;
+#endif
+#ifdef CONFIG_ARCH_OMAP3
+	case 4:
+		rxdma_id = spi4_rxdma_id;
+		txdma_id = spi4_txdma_id;
+		num_chipselect = 1;
+		break;
+#endif
 	default:
 		return -EINVAL;
 	}