Thread (1 message) 1 message, 1 author, 2015-07-20

[PATCH 01/11] Documentation: dt: Add #iommu-cells info to OMAP iommu bindings

DORMANTno replies

From: Suman Anna <hidden>
Date: 2015-07-20 22:33:23
Also in: linux-iommu
Subsystem: iommu subsystem, open firmware and flattened device tree bindings, the rest · Maintainers: Joerg Roedel, Will Deacon, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

Possibly related (same subject, not in this thread)

The OMAP IOMMU bindings is updated to reflect the required #iommu-cells
property.

Signed-off-by: Suman Anna <redacted>
---
 Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt | 6 ++++++
 1 file changed, 6 insertions(+)
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>;
-- 
2.4.4
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help