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,
mperttunen@nvidia.com, Rob Herring <robh@kernel.org>,
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 v11 4/5] dt-bindings: arm-smmu: add binding for Tegra194 SMMU
Date: Sat, 18 Jul 2020 12:34:56 -0700 [thread overview]
Message-ID: <20200718193457.30046-5-vdumpa@nvidia.com> (raw)
In-Reply-To: <20200718193457.30046-1-vdumpa@nvidia.com>
Add binding for NVIDIA's Tegra194 SoC SMMU.
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
---
.../devicetree/bindings/iommu/arm,smmu.yaml | 25 ++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 93fb9fe068b9..503160a7b9a0 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -44,6 +44,11 @@ properties:
items:
- const: marvell,ap806-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
@@ -61,7 +66,8 @@ properties:
- cavium,smmu-v2
reg:
- maxItems: 1
+ minItems: 1
+ maxItems: 2
'#global-interrupts':
description: The number of global interrupts exposed by the device.
@@ -144,6 +150,23 @@ required:
additionalProperties: false
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra194-smmu
+ then:
+ properties:
+ reg:
+ minItems: 2
+ maxItems: 2
+ else:
+ properties:
+ reg:
+ maxItems: 1
+
examples:
- |+
/* SMMU with stream matching or stream indexing */
--
2.26.2
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2020-07-18 19:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-18 19:34 [PATCH v11 0/5] NVIDIA ARM SMMU Implementation Krishna Reddy
2020-07-18 19:34 ` [PATCH v11 1/5] iommu/arm-smmu: move TLB timeout and spin count macros Krishna Reddy
2020-07-18 19:34 ` [PATCH v11 2/5] iommu/arm-smmu: ioremap smmu mmio region before implementation init Krishna Reddy
2020-07-18 19:34 ` [PATCH v11 3/5] iommu/arm-smmu: add NVIDIA implementation for ARM MMU-500 usage Krishna Reddy
2020-07-18 19:34 ` Krishna Reddy [this message]
2020-07-18 19:34 ` [PATCH v11 5/5] iommu/arm-smmu: Add global/context fault implementation hooks Krishna Reddy
2020-07-20 11:56 ` [PATCH v11 0/5] NVIDIA ARM SMMU Implementation Will Deacon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200718193457.30046-5-vdumpa@nvidia.com \
--to=vdumpa@nvidia.com \
--cc=bbiswas@nvidia.com \
--cc=bhuntsman@nvidia.com \
--cc=devicetree@vger.kernel.org \
--cc=iommu@lists.linux-foundation.org \
--cc=jonathanh@nvidia.com \
--cc=joro@8bytes.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tegra@vger.kernel.org \
--cc=mperttunen@nvidia.com \
--cc=nicolinc@nvidia.com \
--cc=praithatha@nvidia.com \
--cc=robh+dt@kernel.org \
--cc=robh@kernel.org \
--cc=robin.murphy@arm.com \
--cc=snikam@nvidia.com \
--cc=talho@nvidia.com \
--cc=treding@nvidia.com \
--cc=will@kernel.org \
--cc=yhsu@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox