From: Rob Herring <robh@kernel.org>
To: Sven Peter <sven@svenpeter.dev>
Cc: Hector Martin <marcan@marcan.st>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
linux-arm-kernel@lists.infradead.org, asahi@lists.linux.dev,
iommu@lists.linux.dev, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] dt-bindings: iommu: dart: Add t8103-usb4-dart compatible
Date: Mon, 30 Jan 2023 15:41:30 -0600 [thread overview]
Message-ID: <20230130214130.GA3576591-robh@kernel.org> (raw)
In-Reply-To: <20230128111114.4049-2-sven@svenpeter.dev>
On Sat, Jan 28, 2023 at 12:11:11PM +0100, Sven Peter wrote:
> This DART variant is found in the t8103 (M1) SoCs and used for the
> USB4/Thunderbolt PCIe ports. Unlike the regular t8103 DART these support
> up to 64 SIDs and require a slightly different MMIO layout. This variant
> is only found on the M1 SoCs.
Looks fine to me other than the discrepancy in the name.
> Signed-off-by: Sven Peter <sven@svenpeter.dev>
> ---
> Documentation/devicetree/bindings/iommu/apple,dart.yaml | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/iommu/apple,dart.yaml b/Documentation/devicetree/bindings/iommu/apple,dart.yaml
> index 903edf85d72e..f9c1843c074d 100644
> --- a/Documentation/devicetree/bindings/iommu/apple,dart.yaml
> +++ b/Documentation/devicetree/bindings/iommu/apple,dart.yaml
> @@ -24,6 +24,7 @@ properties:
> compatible:
> enum:
> - apple,t8103-dart
> + - apple,t8103-dart-usb4
> - apple,t8110-dart
> - apple,t6000-dart
>
> --
> 2.25.1
>
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next prev parent reply other threads:[~2023-01-30 21:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-28 11:11 [PATCH 0/4] Apple M1 USB4/Thunderbolt DART support Sven Peter
2023-01-28 11:11 ` [PATCH 1/4] dt-bindings: iommu: dart: Add t8103-usb4-dart compatible Sven Peter
2023-01-28 11:44 ` Hector Martin
2023-01-30 21:41 ` Rob Herring [this message]
2023-01-28 11:11 ` [PATCH 2/4] iommu: dart: Add flag to override bypass support Sven Peter
2023-01-28 11:44 ` Hector Martin
2023-01-28 11:11 ` [PATCH 3/4] iommu: dart: Write to all DART_T8020_STREAM_SELECT Sven Peter
2023-01-28 11:45 ` Hector Martin
2023-01-28 11:11 ` [PATCH 4/4] iommu: dart: Add support for M1 USB4 PCIe DART Sven Peter
2023-01-28 11:46 ` Hector Martin
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