diff --git a/arch/arm/plat-omap/include/plat/dma.h b/arch/arm/plat-omap/include/plat/dma.h
index d1c916fcf770..dc562a5c0a8a 100644
--- a/arch/arm/plat-omap/include/plat/dma.h
+++ b/arch/arm/plat-omap/include/plat/dma.h
@@ -195,6 +195,11 @@
 
 #define OMAP36XX_DMA_UART4_TX		81	/* S_DMA_80 */
 #define OMAP36XX_DMA_UART4_RX		82	/* S_DMA_81 */
+
+/* Only for AM35xx */
+#define AM35XX_DMA_UART4_TX		54
+#define AM35XX_DMA_UART4_RX		55
+
 /*----------------------------------------------------------------------------*/
 
 #define OMAP1_DMA_TOUT_IRQ		(1 << 0)
diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h
index 926d25c780f3..30e10719b774 100644
--- a/arch/arm/plat-omap/include/plat/irqs.h
+++ b/arch/arm/plat-omap/include/plat/irqs.h
@@ -357,6 +357,7 @@
 #define INT_35XX_EMAC_C0_TX_PULSE_IRQ	69
 #define INT_35XX_EMAC_C0_MISC_PULSE_IRQ	70
 #define INT_35XX_USBOTG_IRQ		71
+#define INT_35XX_UART4			84
 #define INT_35XX_CCDC_VD0_IRQ		88
 #define INT_35XX_CCDC_VD1_IRQ		92
 #define INT_35XX_CCDC_VD2_IRQ		93
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
index 2723f9166ea2..de3b10c18127 100644
--- a/arch/arm/plat-omap/include/plat/serial.h
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -56,6 +56,9 @@
 #define TI816X_UART2_BASE	0x48022000
 #define TI816X_UART3_BASE	0x48024000
 
+/* AM3505/3517 UART4 */
+#define AM35XX_UART4_BASE	0x4809E000	/* Only on AM3505/3517 */
+
 /* External port on Zoom2/3 */
 #define ZOOM_UART_BASE		0x10000000
 #define ZOOM_UART_VIRT		0xfa400000