From: "Sven Peter" <sven@svenpeter.dev>
To: "Rob Herring" <robh@kernel.org>
Cc: "Hector Martin" <marcan@marcan.st>,
"Alyssa Rosenzweig" <alyssa@rosenzweig.io>,
"Arnd Bergmann" <arnd@arndb.de>,
"Keith Busch" <kbusch@kernel.org>, "axboe@fb.com" <axboe@fb.com>,
"hch@lst.de" <hch@lst.de>, "sagi@grimberg.me" <sagi@grimberg.me>,
"Marc Zyngier" <maz@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org
Subject: Re: [PATCH 1/9] dt-bindings: soc: apple: Add Apple SART
Date: Sat, 02 Apr 2022 14:58:01 +0200 [thread overview]
Message-ID: <076879ce-242e-4c24-9052-003de63d3f63@www.fastmail.com> (raw)
In-Reply-To: <YkYbubNBD+J2XUCg@robh.at.kernel.org>
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
next prev parent reply other threads:[~2022-04-02 12:58 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-21 16:50 [PATCH 0/9] Apple M1 (Pro/Max) NVMe driver Sven Peter
2022-03-21 16:50 ` [PATCH 1/9] dt-bindings: soc: apple: Add Apple SART Sven Peter
2022-03-31 21:23 ` Rob Herring
2022-04-02 12:58 ` Sven Peter [this message]
2022-03-21 16:50 ` [PATCH 2/9] dt-bindings: soc: apple: Add ANS NVMe Sven Peter
2022-03-23 11:14 ` Krzysztof Kozlowski
2022-04-02 13:05 ` Sven Peter
2022-04-02 16:06 ` Krzysztof Kozlowski
2022-03-21 16:50 ` [PATCH 3/9] soc: apple: Always include Makefile Sven Peter
2022-03-21 16:50 ` [PATCH 4/9] soc: apple: Add SART driver Sven Peter
2022-03-21 17:07 ` Arnd Bergmann
2022-04-02 12:38 ` Sven Peter
2022-04-02 19:07 ` Arnd Bergmann
2022-04-04 14:58 ` Rob Herring
2022-04-04 15:01 ` Hector Martin
2022-04-05 15:37 ` Sven Peter
2022-03-21 17:17 ` Alyssa Rosenzweig
2022-04-02 12:40 ` Sven Peter
2022-03-21 16:50 ` [PATCH 5/9] soc: apple: Add RTKit IPC library Sven Peter
2022-03-22 13:13 ` Arnd Bergmann
2022-03-22 17:41 ` Robin Murphy
2022-04-02 12:56 ` Sven Peter
2022-04-02 18:30 ` Arnd Bergmann
2022-04-03 10:45 ` Sven Peter
2022-03-22 17:23 ` Alyssa Rosenzweig
2022-04-02 12:50 ` Sven Peter
2022-03-23 11:19 ` Krzysztof Kozlowski
2022-04-02 13:51 ` Sven Peter
2022-04-02 16:08 ` Krzysztof Kozlowski
2022-04-04 15:02 ` Rob Herring
2022-04-04 15:47 ` Hector Martin
2022-03-21 16:50 ` [PATCH 6/9] nvme-apple: Add initial Apple SoC NVMe driver Sven Peter
2022-03-21 17:01 ` Keith Busch
2022-04-02 13:10 ` Sven Peter
2022-03-22 13:38 ` Arnd Bergmann
2022-04-02 13:34 ` Sven Peter
2022-04-02 13:58 ` Janne Grunau
2022-04-02 14:02 ` Sven Peter
2022-04-02 21:26 ` Arnd Bergmann
2022-03-24 6:16 ` Christoph Hellwig
2022-04-02 12:47 ` Sven Peter
2022-04-04 15:57 ` Hector Martin
2022-04-04 15:59 ` Christoph Hellwig
2022-04-04 16:03 ` Sven Peter
2022-04-04 16:05 ` hch
2022-04-04 16:05 ` Hector Martin
2022-04-04 18:29 ` Jens Axboe
2022-04-05 6:24 ` Christoph Hellwig
2022-03-21 16:50 ` [PATCH 7/9] nvme-apple: Serialize command issue Sven Peter
2022-03-24 6:16 ` Christoph Hellwig
2022-04-02 12:42 ` Sven Peter
2022-03-21 16:50 ` [PATCH 8/9] nvme-apple: Add support for multiple power domains Sven Peter
2022-03-21 16:50 ` [PATCH 9/9] nvme-apple: Add support for suspend/resume Sven Peter
2022-03-24 6:17 ` Christoph Hellwig
2022-03-22 17:26 ` [PATCH 0/9] Apple M1 (Pro/Max) NVMe driver Alyssa Rosenzweig
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