From: Thor Thayer <thor.thayer@xxxxxxxxxxxxxxx>
Add a clock to the SMMU node bindings.
Signed-off-by: Thor Thayer <thor.thayer@xxxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/iommu/arm,smmu.txt | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
index 8a6ffce12af5..356fd9f41e1b 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
@@ -71,6 +71,8 @@ conditions.
or using stream matching with #iommu-cells = <2>, and
may be ignored if present in such cases.
+- clock: clock provider specifier
+
** Deprecated properties:
- mmu-masters (deprecated in favour of the generic "iommus" binding) :
@@ -137,3 +139,17 @@ conditions.
iommu-map = <0 &smmu3 0 0x400>;
...
};
+
+ /* ARM MMU-500 with clock node */
+ smmu4: iommu {
+ compatible = "arm,mmu-500", "arm,smmu-v2";
+ clocks = <&clkmgr STRATIX10_L4_MAIN_CLK>;
+ ...
+ #iommu-cells = <1>;
+ };
+
+ /* device with stream ID 1 */
+ master4 {
+ iommus = <&smmu4 1>;
+ };
+
--
2.7.4
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