From: Krishna Reddy <vdumpa@nvidia.com>
To: <joro@8bytes.org>, <will@kernel.org>, <robin.murphy@arm.com>,
<robh+dt@kernel.org>, <treding@nvidia.com>,
<jonathanh@nvidia.com>
Cc: snikam@nvidia.com, devicetree@vger.kernel.org,
nicoleotsuka@gmail.com, mperttunen@nvidia.com,
bhuntsman@nvidia.com, yhsu@nvidia.com,
linux-kernel@vger.kernel.org, talho@nvidia.com,
iommu@lists.linux-foundation.org, nicolinc@nvidia.com,
linux-tegra@vger.kernel.org, praithatha@nvidia.com,
linux-arm-kernel@lists.infradead.org, bbiswas@nvidia.com
Subject: [PATCH v9 3/4] dt-bindings: arm-smmu: add binding for Tegra194 SMMU
Date: Tue, 30 Jun 2020 16:57:51 -0700
Message-ID: <20200630235752.8737-4-vdumpa@nvidia.com> (raw)
In-Reply-To: <20200630235752.8737-1-vdumpa@nvidia.com>
Add binding for NVIDIA's Tegra194 SoC SMMU topology that is based
on ARM MMU-500.
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
---
.../devicetree/bindings/iommu/arm,smmu.yaml | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index d7ceb4c34423b..662c46e16f07d 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -38,6 +38,11 @@ properties:
- qcom,sc7180-smmu-500
- qcom,sdm845-smmu-500
- const: arm,mmu-500
+ - description: NVIDIA SoCs that use more than one "arm,mmu-500"
+ items:
+ - enum:
+ - nvidia,tegra194-smmu
+ - const: arm,mmu-500
- items:
- const: arm,mmu-500
- const: arm,smmu-v2
@@ -138,6 +143,19 @@ required:
additionalProperties: false
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra194-smmu
+ then:
+ properties:
+ reg:
+ minItems: 2
+ maxItems: 3
+
examples:
- |+
/* SMMU with stream matching or stream indexing */
--
2.26.2
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Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-30 23:57 [PATCH v9 0/4] NVIDIA ARM SMMUv2 Implementation Krishna Reddy
2020-06-30 23:57 ` [PATCH v9 1/4] iommu/arm-smmu: move TLB timeout and spin count macros Krishna Reddy
2020-06-30 23:57 ` [PATCH v9 2/4] iommu/arm-smmu: add NVIDIA implementation for ARM MMU-500 usage Krishna Reddy
2020-07-01 8:16 ` Jon Hunter
2020-06-30 23:57 ` Krishna Reddy [this message]
2020-07-01 8:19 ` [PATCH v9 3/4] dt-bindings: arm-smmu: add binding for Tegra194 SMMU Jon Hunter
2020-06-30 23:57 ` [PATCH v9 4/4] iommu/arm-smmu: add global/context fault implementation hooks Krishna Reddy
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