From: "Rob Herring (Arm)" <robh@kernel.org>
To: Sven Peter <sven@kernel.org>
Cc: Neal Gompa <neal@gompa.dev>, Janne Grunau <j@jannau.net>,
Yehezkel Bernat <YehezkelShB@gmail.com>,
devicetree@vger.kernel.org,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Mika Westerberg <westeri@kernel.org>,
linux-usb@vger.kernel.org,
Andreas Noever <andreas.noever@gmail.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
asahi@lists.linux.dev, Philipp Zabel <p.zabel@pengutronix.de>,
linux-kernel@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 06/22] dt-bindings: thunderbolt: Add Apple USB4/Thunderbolt ACIO block
Date: Thu, 17 Sep 2026 17:33:55 -0500 [thread overview]
Message-ID: <178968443469.4111891.16643051848376045316.robh@kernel.org> (raw)
In-Reply-To: <20260906-b4-apple-soc-tbt-v2-6-1f80085f93fb@kernel.org>
On Sun, 06 Sep 2026 20:36:29 +0200, Sven Peter wrote:
> Each Type-C port with USB4/Thunderbolt support on Apple Silicon SoCs
> comes with block called ACIO ("Apple Converged I/O"). It contains a
> Cortex-M3 co-processor, the hardware blocks implementing the USB4 host
> router, the Native Host Interface (NHI) and a DART IOMMU. The
> co-processor exposes the NHI and its DART to the main SoC bus while it
> is running.
>
> ACIO can only be powered on after the Type-C PHY has been switched to
> USB4/Thunderbolt mode. The Type-C PD controller publishes the negotiated
> mode and cable information through the Type-C class. ACIO finds the
> corresponding Type-C port through the OF graph connection.
>
> Signed-off-by: Sven Peter <sven@kernel.org>
> ---
> .../thunderbolt/apple,t8103-usb4-acio.yaml | 213 +++++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 214 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2026-09-17 22:33 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-06 18:36 [PATCH v2 00/22] Initial USB4/Thunderbolt support for Apple M1/M2/M3 SoCs Sven Peter
2026-09-06 18:36 ` [PATCH v2 01/22] usb: typec: Add alternate mode state notifiers Sven Peter
2026-09-07 13:27 ` Joshua Peisach
2026-09-08 12:00 ` Heikki Krogerus
2026-09-06 18:36 ` [PATCH v2 02/22] usb: typec: Represent USB4 on the Type-C bus Sven Peter
2026-09-07 13:31 ` Joshua Peisach
2026-09-08 12:07 ` Heikki Krogerus
2026-09-06 18:36 ` [PATCH v2 03/22] usb: typec: tipd: Register a USB4 port mode for CD321x Sven Peter
2026-09-06 18:36 ` [PATCH v2 04/22] usb: typec: tipd: Publish CD321x partner alternate modes Sven Peter
2026-09-06 18:36 ` [PATCH v2 05/22] dt-bindings: thunderbolt: Add Apple USB4/Thunderbolt NHI Sven Peter
2026-09-17 22:30 ` Rob Herring (Arm)
2026-09-06 18:36 ` [PATCH v2 06/22] dt-bindings: thunderbolt: Add Apple USB4/Thunderbolt ACIO block Sven Peter
2026-09-17 22:33 ` Rob Herring (Arm) [this message]
2026-09-06 18:36 ` [PATCH v2 07/22] thunderbolt: Try reading host DROM from device tree first Sven Peter
2026-09-15 17:20 ` Konrad Dybcio
2026-09-06 18:36 ` [PATCH v2 08/22] thunderbolt: Don't read the UID if we already know it Sven Peter
2026-09-06 18:36 ` [PATCH v2 09/22] thunderbolt: Allocate ring HopID before requesting the ring interrupt Sven Peter
2026-09-06 18:36 ` [PATCH v2 10/22] thunderbolt: Unlock host router ports during startup Sven Peter
2026-09-08 8:22 ` Mika Westerberg
2026-09-06 18:36 ` [PATCH v2 11/22] thunderbolt: Find Apple VSE capability " Sven Peter
2026-09-07 13:38 ` Joshua Peisach
2026-09-08 20:24 ` Sven Peter
2026-09-06 18:36 ` [PATCH v2 12/22] thunderbolt: Add ring_interrupt_active to tb_nhi_ops Sven Peter
2026-09-06 18:36 ` [PATCH v2 13/22] thunderbolt: Add ring register accessors " Sven Peter
2026-09-08 8:32 ` Mika Westerberg
2026-09-06 18:36 ` [PATCH v2 14/22] thunderbolt: Add ring_interrupt_mask " Sven Peter
2026-09-06 18:36 ` [PATCH v2 15/22] thunderbolt: Add ring_configure " Sven Peter
2026-09-06 18:36 ` [PATCH v2 16/22] thunderbolt: Add add_links " Sven Peter
2026-09-08 8:35 ` Mika Westerberg
2026-09-06 18:36 ` [PATCH v2 17/22] thunderbolt: Add QUIRK_NO_USB3_BW_ALLOC Sven Peter
2026-09-06 18:36 ` [PATCH v2 18/22] thunderbolt: Export symbols required by the Apple Silicon driver Sven Peter
2026-09-06 18:36 ` [PATCH v2 19/22] thunderbolt: Add Apple Silicon support Sven Peter
2026-09-08 9:18 ` Mika Westerberg
2026-09-08 19:02 ` Sven Peter
2026-09-08 19:04 ` Sven Peter
2026-09-09 6:06 ` Mika Westerberg
2026-09-09 15:20 ` Sven Peter
2026-09-09 15:25 ` Sven Peter
2026-09-10 4:52 ` Mika Westerberg
2026-09-10 4:50 ` Mika Westerberg
2026-09-06 18:36 ` [PATCH v2 20/22] arm64: dts: apple: t8103: Add USB4 ACIO and NHI Sven Peter
2026-09-06 18:36 ` [PATCH v2 21/22] arm64: dts: apple: t8112: " Sven Peter
2026-09-06 18:36 ` [PATCH v2 22/22] arm64: dts: apple: t60xx: " Sven Peter
2026-09-07 13:52 ` [PATCH v2 00/22] Initial USB4/Thunderbolt support for Apple M1/M2/M3 SoCs Joshua Peisach
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