On Wednesday 20 November 2013, Stephen Warren wrote:

quoted

+- #iommu-cells : Must be <1>. This dictates the length of DMA specifiers in
+  client nodes' dmas properties. The specifier represents the DMA request
+  select value for the peripheral. For more details, consult the Tegra TRM's
+  documentation of the APB DMA channel control register REQ_SEL field.
 
 Examples:
 

@@ -36,4 +40,5 @@ apbdma: dma@6000a000 {
      clocks = <&tegra_car 34>;
      resets = <&tegra_car 34>;
      reset-names = "dma";
+     #iommu-cells = <1>;

s/iommu/dma/

Otherwise looks good. The dts files are correct, so I guess it's just
a typo here.

	Arnd