From: Philipp Zabel <p.zabel@pengutronix.de>
To: Sven Peter <sven@kernel.org>, Janne Grunau <j@jannau.net>,
Neal Gompa <neal@gompa.dev>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: Joshua Peisach <jpeisach@ubuntu.com>,
asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Conor Dooley <conor.dooley@microchip.com>
Subject: Re: [PATCH v3 0/3] Apple SoC CIO (USB4/Thunderbolt) reset controller
Date: Tue, 03 Nov 2026 11:59:25 +0100 [thread overview]
Message-ID: <3b2e95430efce4822b232f5ba4a5007574de216d.camel@pengutronix.de> (raw)
In-Reply-To: <20261003-b4-cio-reset-v3-0-e605f9e5c8a4@kernel.org>
On Sa, 2026-10-03 at 22:50 +0200, Sven Peter wrote:
> Hi,
>
> The CIO blocks used for USB4/Thunderbolt on Apple Silicon SoCs have a
> reset inside the power manager that has to be deasserted before their
> co-processor can be booted. On t8103 and t8112 each port comes with a
> dedicated register page while t600x and t602x use a single register
> with one request bit per port shared by all ports of a die in the
> middle of the PMGR MMIO region.
>
> [...]
Partially applied to reset/test, thanks!
[1/3] dt-bindings: reset: Add Apple SoC CIO reset
https://git.kernel.org/pub/scm/linux/kernel/git/pza/linux.git/commit/?id=5b428d8ecf10
[2/3] reset: Add Apple SoC CIO reset driver
https://git.kernel.org/pub/scm/linux/kernel/git/pza/linux.git/commit/?id=6547df06b982
regards
Philipp
prev parent reply other threads:[~2026-11-03 10:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-03 20:50 Sven Peter
2026-10-03 20:51 ` [PATCH v3 1/3] dt-bindings: reset: Add Apple SoC CIO reset Sven Peter
2026-10-03 20:51 ` [PATCH v3 2/3] reset: Add Apple SoC CIO reset driver Sven Peter
2026-10-03 20:51 ` [PATCH v3 3/3] arm64: dts: apple: Add CIO reset controllers Sven Peter
2026-11-03 10:59 ` Philipp Zabel [this message]
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