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Documentation: dt: Add #iommu-cells info to OMAP iommu bindings

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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>
This commit is contained in:
Suman Anna 2015-07-20 17:33:23 -05:00 committed by Joerg Roedel
parent 74d33293e4
commit a73622a70a
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt
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@ -8,6 +8,11 @@ Required properties:
- ti,hwmods : Name of the hwmod associated with the IOMMU instance - ti,hwmods : Name of the hwmod associated with the IOMMU instance
- reg : Address space for the configuration registers - reg : Address space for the configuration registers
- interrupts : Interrupt specifier for the IOMMU instance - 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: Optional properties:
- ti,#tlb-entries : Number of entries in the translation look-aside buffer. - ti,#tlb-entries : Number of entries in the translation look-aside buffer.
@ -18,6 +23,7 @@ Optional properties:
Example: Example:
/* OMAP3 ISP MMU */ /* OMAP3 ISP MMU */
mmu_isp: mmu@480bd400 { mmu_isp: mmu@480bd400 {
#iommu-cells = <0>;
compatible = "ti,omap2-iommu"; compatible = "ti,omap2-iommu";
reg = <0x480bd400 0x80>; reg = <0x480bd400 0x80>;
interrupts = <24>; interrupts = <24>;