From: Tomasz Nowicki <tn@semihalf.com>
To: will@kernel.org, robin.murphy@arm.com, joro@8bytes.org,
gregory.clement@bootlin.com, robh+dt@kernel.org,
hannah@marvell.com
Cc: devicetree@vger.kernel.org, catalin.marinas@arm.com,
linux-kernel@vger.kernel.org, nadavh@marvell.com,
iommu@lists.linux-foundation.org,
Tomasz Nowicki <tn@semihalf.com>,
mw@semihalf.com, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 3/4] dt-bindings: arm-smmu: add compatible string for Marvell Armada-AP806 SMMU-500
Date: Wed, 15 Jul 2020 09:06:48 +0200 [thread overview]
Message-ID: <20200715070649.18733-4-tn@semihalf.com> (raw)
In-Reply-To: <20200715070649.18733-1-tn@semihalf.com>
Add specific compatible string for Marvell usage due to errata of
accessing 64bits registers of ARM SMMU, in AP806.
AP806 SoC uses the generic ARM-MMU500, and there's no specific
implementation of Marvell, this compatible is used for errata only.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hanna Hawa <hannah@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
---
Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index d7ceb4c34423..156b38924a00 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -38,6 +38,10 @@ properties:
- qcom,sc7180-smmu-500
- qcom,sdm845-smmu-500
- const: arm,mmu-500
+ - description: Marvell SoCs implementing "arm,mmu-500"
+ items:
+ - const: marvell,ap806-smmu-500
+ - const: arm,mmu-500
- items:
- const: arm,mmu-500
- const: arm,smmu-v2
--
2.17.1
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next prev parent reply other threads:[~2020-07-15 7:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-15 7:06 [PATCH v4 0/4] Add system mmu support for Armada-806 Tomasz Nowicki
2020-07-15 7:06 ` [PATCH v4 1/4] iommu/arm-smmu: Call configuration impl hook before consuming features Tomasz Nowicki
2020-07-15 10:20 ` Robin Murphy
2020-07-15 7:06 ` [PATCH v4 2/4] iommu/arm-smmu: Workaround for Marvell Armada-AP806 SoC erratum #582743 Tomasz Nowicki
2020-07-15 10:32 ` Robin Murphy
2020-07-16 7:24 ` Tomasz Nowicki
2020-07-15 7:06 ` Tomasz Nowicki [this message]
2020-07-15 10:36 ` [PATCH v4 3/4] dt-bindings: arm-smmu: add compatible string for Marvell Armada-AP806 SMMU-500 Robin Murphy
2020-07-16 7:27 ` Tomasz Nowicki
2020-07-15 7:06 ` [PATCH v4 4/4] arm64: dts: marvell: add SMMU support Tomasz Nowicki
2020-07-18 21:08 ` Gregory CLEMENT
2020-07-16 12:00 ` [PATCH v4 0/4] Add system mmu support for Armada-806 Will Deacon
2020-07-16 12:02 ` Will Deacon
2020-07-16 12:49 ` Marcin Wojtas
2020-07-18 21:07 ` Gregory CLEMENT
2020-10-06 15:16 ` Denis Odintsov
2020-10-07 13:55 ` Marcin Wojtas
2020-10-13 13:08 ` Robin Murphy
2020-10-19 11:49 ` Denis Odintsov
2020-10-23 12:19 ` Tomasz Nowicki
2020-10-23 12:33 ` Robin Murphy
2020-10-23 13:05 ` Tomasz Nowicki
2020-10-23 13:26 ` Denis Odintsov
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