PCI: layerscape: Add support for LS1043a and LS2080a

[karo-tx-linux.git] / Documentation / devicetree / bindings / iommu / ti,omap-iommu.txt

diff --git a/Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt b/Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt
index 42531dc387aa6babaed955c1a821bf6a3eb77b84..869699925fd599e3d34c39155dfbb027d2262dca 100644 (file)
--- a/Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt
+++ b/Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt
@@ -8,6 +8,11 @@ Required properties:
 - ti,hwmods  : Name of the hwmod associated with the IOMMU instance
 - reg        : Address space for the configuration registers
 - interrupts : Interrupt specifier for the IOMMU instance
+- #iommu-cells : Should be 0. OMAP IOMMUs are all "single-master" devices,
+                 and needs no additional data in the pargs specifier. Please
+                 also refer to the generic bindings document for more info
+                 on this property,
+                     Documentation/devicetree/bindings/iommu/iommu.txt
 
 Optional properties:
 - ti,#tlb-entries : Number of entries in the translation look-aside buffer.
@@ -18,6 +23,7 @@ Optional properties:
 Example:
        /* OMAP3 ISP MMU */
        mmu_isp: mmu@480bd400 {
+               #iommu-cells = <0>;
                compatible = "ti,omap2-iommu";
                reg = <0x480bd400 0x80>;
                interrupts = <24>;