[PATCH 1/3] Docs: dt: arm-smmu: Add optional clock parameter
From: thor.thayer at linux.intel.com <hidden>
Date: 2018-07-13 16:27:56
Also in:
linux-devicetree, linux-iommu
Subsystem:
arm smmu drivers, iommu subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Will Deacon, Joerg Roedel, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2018-07-24 · Re: [PATCH 1/3] Docs: dt: arm-smmu: Add optional clock parameter · Thor Thayer <hidden>
- 2018-07-20 · Re: [PATCH 1/3] Docs: dt: arm-smmu: Add optional clock parameter · Rob Herring <hidden>
From: Thor Thayer <redacted> Add a clock to the SMMU node bindings. Signed-off-by: Thor Thayer <redacted> --- 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