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authorSuman Anna <s-anna@ti.com>2015-07-20 17:33:23 -0500
committerJoerg Roedel <jroedel@suse.de>2015-08-03 16:02:24 +0200
commita73622a70a31c846d9d2a971c78fd1ffab88afcd (patch)
treec1a5fd19029058e25a560310c204cc400ec26860 /Documentation/devicetree/bindings/iommu
parent74d33293e467df61de1b1d8b2fbe29e550dec33b (diff)
downloadlinux-a73622a70a31c846d9d2a971c78fd1ffab88afcd.tar.bz2
Documentation: dt: Add #iommu-cells info to OMAP iommu bindings
The OMAP IOMMU bindings is updated to reflect the required #iommu-cells property. Signed-off-by: Suman Anna <s-anna@ti.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'Documentation/devicetree/bindings/iommu')
-rw-r--r--Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt b/Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt
index 42531dc387aa..869699925fd5 100644
--- 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>;