diff --git a/arch/tile/gxio/Kconfig b/arch/tile/gxio/Kconfig
index 8aeebb7..68e1cca 100644
--- a/arch/tile/gxio/Kconfig
+++ b/arch/tile/gxio/Kconfig
@@ -15,3 +15,9 @@
 	bool
 	select TILE_GXIO
 	select TILE_GXIO_DMA
+
+# Support direct access to the TILE-Gx TRIO hardware from kernel space.
+config TILE_GXIO_TRIO
+	bool
+	select TILE_GXIO
+	select TILE_GXIO_DMA