Messages in this thread |  | | Date | Sat, 02 Apr 2022 14:58:01 +0200 | From | "Sven Peter" <> | Subject | Re: [PATCH 1/9] dt-bindings: soc: apple: Add Apple SART |
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On Thu, Mar 31, 2022, at 23:23, Rob Herring wrote: > On Mon, Mar 21, 2022 at 05:50:41PM +0100, Sven Peter wrote: >> Apple SoCs such as the M1 come with a simple DMA address filter called >> SART. Unlike a real IOMMU no pagetables can be configured but instead >> DMA transactions can be allowed for up to 16 paddr regions. >> >> Signed-off-by: Sven Peter <sven@svenpeter.dev> >> --- >> .../bindings/soc/apple/apple,sart.yaml | 52 +++++++++++++++++++ > > Close enough to an IOMMU in terms of its purpose, so put in > bindings/iommu/
Ok, will put it there. I guess I can also use iommu for the node name then, e.g.
iommu@7bc50000 { compatible = "apple,t8103-sart"; reg = <0x7bc50000 0x4000>; };
Thanks,
Sven
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