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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: <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<iommu@lists.linux-foundation.org>,
	<linux-kernel@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
	<yhsu@nvidia.com>, <snikam@nvidia.com>, <praithatha@nvidia.com>,
	<talho@nvidia.com>, <bbiswas@nvidia.com>, <mperttunen@nvidia.com>,
	<nicolinc@nvidia.com>, <bhuntsman@nvidia.com>,
	<nicoleotsuka@gmail.com>, Krishna Reddy <vdumpa@nvidia.com>
Subject: [PATCH v10 4/5] dt-bindings: arm-smmu: add binding for Tegra194 SMMU
Date: Tue, 7 Jul 2020 22:00:16 -0700	[thread overview]
Message-ID: <20200708050017.31563-5-vdumpa@nvidia.com> (raw)
In-Reply-To: <20200708050017.31563-1-vdumpa@nvidia.com>

Add binding for NVIDIA's Tegra194 SoC SMMU.

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 d7ceb4c34423..ac1f526c3424 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 program two ARM MMU-500s identically
+        items:
+          - enum:
+              - nvidia,tegra194-smmu
+          - const: nvidia,smmu-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: 2
+
 examples:
   - |+
     /* SMMU with stream matching or stream indexing */
-- 
2.26.2


  parent reply	other threads:[~2020-07-08  5:00 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-08  5:00 [PATCH v10 0/5] NVIDIA ARM SMMU Implementation Krishna Reddy
2020-07-08  5:00 ` [PATCH v10 1/5] iommu/arm-smmu: move TLB timeout and spin count macros Krishna Reddy
2020-07-08 12:05   ` Jon Hunter
2020-07-08 20:37   ` Nicolin Chen
2020-07-08  5:00 ` [PATCH v10 2/5] iommu/arm-smmu: ioremap smmu mmio region before implementation init Krishna Reddy
2020-07-08 12:05   ` Jon Hunter
2020-07-08 20:37   ` Nicolin Chen
2020-07-13 14:02   ` Robin Murphy
2020-07-08  5:00 ` [PATCH v10 3/5] iommu/arm-smmu: add NVIDIA implementation for ARM MMU-500 usage Krishna Reddy
2020-07-08 12:24   ` Jon Hunter
2020-07-08 20:36   ` Nicolin Chen
2020-07-08  5:00 ` Krishna Reddy [this message]
2020-07-08 12:25   ` [PATCH v10 4/5] dt-bindings: arm-smmu: add binding for Tegra194 SMMU Jon Hunter
2020-07-09 20:13   ` Rob Herring
2020-07-10 20:29     ` Krishna Reddy
2020-07-13 14:10       ` Robin Murphy
2020-07-14 14:22         ` Rob Herring
2020-07-08  5:00 ` [PATCH v10 5/5] iommu/arm-smmu: Add global/context fault implementation hooks Krishna Reddy
2020-07-08 12:28   ` Jon Hunter
2020-07-08 20:36   ` Nicolin Chen
2020-07-13 13:44   ` Will Deacon
2020-07-17 11:58     ` Robin Murphy
2020-07-13 13:50 ` [PATCH v10 0/5] NVIDIA ARM SMMU Implementation Will Deacon
2020-07-17 10:03   ` Will Deacon
2020-07-17 22:36     ` Krishna Reddy

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