From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=pass header.oldest-pass=0 smtp.remote-ip=185.203.200.13 ARC-Seal: i=2; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=pass; t=1793703568; b=x0pVf9mSROZE2rOlnQSSzvrx2K6YKMcA9TbabE6B7NF3VVYPOHxdQ8jhBvUudi4ozaq3 E6dhsauiRS68v7nBImpPHHz/RlGeSqfeO6SInBqtXWnHxnqW+AHrYVXmd4eE14BbKg21C Ye/kCeFZquiCiafewnpcyV5uJ/YlWZtfvgFdpv2Q0b1ZBISsO3dcxZION8NHca7xaPjdR XO0/jxxDyWCT3WpXu3XixxfJ8tqruD1ueLTzeGa0XV2WbsiVJk82TDZZgsUL9RBEVyovM pkHX/ZKDFhPKdhsVRE3ZPAlhCp7mbdlnj6LL99z8e6EnGc0f3GvaDOk3Wz4YTJg3QYQ== ARC-Message-Signature: i=2; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793703568; h=DMARC-Filter:Received:DKIM-Signature:Message-ID:Subject:From:To:Cc: Date:In-Reply-To:References:Content-Type:Content-Transfer-Encoding: User-Agent:MIME-Version; bh=6b2TVz5RBdMTmkdnd0+DdIVBECbziA2iv145pJZ1Voo=; b=bKbak+Iro2/95fYnpTCnC/nHIVelIq2mOCsI/DMmCT1q313oexnsNa5wn1fojnQ5LaTY 7SKebRriFOWCrt8zbW78WBWPihFeXovvmhhcKiJ8EF7OYwMAHB0+dHZhXXZpZ9DtDQbnG x7YNjgFzI4L3Ajno94yYJNolG0rSSP2jY//5JjUPV2jCLxxmt3zryAoVzAyDvpMiKCF69 PTLTad9c78pLqK6WKvz44LXs+fvqc+SqilKhvFYJro9riK9rzEULoHapl3Mm1jyohg38a +JceCP3BfrB01rV/ZUIOee8ztBtujFqaHOI+mHoJSc9EzRRAUpF9YqycO++DjiDO7kg== ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=none header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; dkim=pass header.d=pengutronix.de header.i=@pengutronix.de header.a=rsa-sha256 header.s=20260414 header.b=ZCZJ+fI7; arc=pass header.oldest-pass=0 smtp.remote-ip=185.203.200.13 Received: from mx1.white.stw.pengutronix.de (mx1.white.stw.pengutronix.de [185.203.200.13]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 486C3606FACB; Tue, 3 Nov 2026 10:59:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 486C3606FACB Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=pengutronix.de header.i=@pengutronix.de header.a=rsa-sha256 header.s=20260414 header.b=ZCZJ+fI7 Received: from [IPv6:2a0a:edc0:0:900:1d::4e] (lupine.office.stw.pengutronix.de [IPv6:2a0a:edc0:0:900:1d::4e]) (Authenticated sender: pza@pengutronix.de) by mx1.white.stw.pengutronix.de (Postfix) with ESMTPSA id 771D220103C; Tue, 03 Nov 2026 11:59:25 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pengutronix.de; s=20260414; t=1793703565; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6b2TVz5RBdMTmkdnd0+DdIVBECbziA2iv145pJZ1Voo=; b=ZCZJ+fI7f/VO1TopNf3JRW/u2mE25GBHZNgWHLCWWQwyRf2LAChiJOhS3IL3abLErXZw/t sEqoW8lgtIN9JgPX0B9bwWEDYA1omA3HC+x3qoQBHtPXPaBcK+HnY6Hbu4BY3kXmZW3/D5 79D1lDTlDVDudWBJThk+6kgcIoN+5dQ0EWM6w4xnTQOEitxCiz902XouEDZU7LgBqwhqxE 05NZz+jTpG9xi6IwF+NQfmg4rurtmOFBEK0xbnXrWX3w3iZ50HyYK0Cu6djRUf+sun4Yiw NzbVvXoDXpF7q7ABo2YCvYk50o3tPZ5WGEwPkLO2KSJKsPUCRYB11k0LUtAsaQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=pengutronix.de; s=20260414; t=1793703565; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6b2TVz5RBdMTmkdnd0+DdIVBECbziA2iv145pJZ1Voo=; b=Aa+CYFkVPNRTO2wPfmTA19Uryvuya293TvNsuXefwpnDtChb/3qiuxYezASP/lnRmUgA9O 9UMLAWmOPrrZneaiR+ZU5Yjo4Z724IxclK7n6vXPi8W3rOIHSwcOhCb6XyFf6UwQp1iOBB vbQRHCPhogjlC2+2WC1k9i+dPNGk5wN3zx0iRPVJuS3dc9W6aCPEugFN17EVEqccO92NHX +CreZkd7UQU+t1nOHws+hPNnmeARK9FD/MWtGjDY1N6zhkQ3w2tn9/i2i+FwV/ECzViBAO eCDhctfk8EipdHIknkCr026moY3eRvAXPlnsbVzWcDM1r0Np/GMh3H9VJoOU7g== ARC-Authentication-Results: i=1; ORIGINATING; auth=pass smtp.auth=pza@pengutronix.de smtp.mailfrom=p.zabel@pengutronix.de ARC-Seal: i=1; s=20260414; d=pengutronix.de; t=1793703565; a=rsa-sha256; cv=none; b=GrDTaT9qYC7XXPLYVBFmUIbVppj0VVtTIuWcxsIv6OlbI9KmoP0b/56JR6QTbHJ5DaABkY 1y7w4z+qhdNiUmIxWkUIv7oe1pJTDVqlnqkZRm0VDV6Xabdfo0iT4WvBIecutBwp4qQNY4 LhwE6K9ikmmb8S/feQ6I5Xp6Z8SghNX3J83bwGsmLulGkowJlBfrdVQ3dbJdCLJRGbf1G0 ui/+YOcf0gbcPIxWHsG7fOf6WYmz1MTAUsAH1cxwwW6Yuf2Lxnj0u7MU5KH/ZVEyIlzxB5 k1AmxMYzqnMytdFV44ZXX0402vI7n3X+n6+1f2E+1b/q2ZAyUyJ4NuHJhvNT1w== Message-ID: <3b2e95430efce4822b232f5ba4a5007574de216d.camel@pengutronix.de> Subject: Re: [PATCH v3 0/3] Apple SoC CIO (USB4/Thunderbolt) reset controller From: Philipp Zabel To: Sven Peter , Janne Grunau , Neal Gompa , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Joshua Peisach , asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Conor Dooley Date: Tue, 03 Nov 2026 11:59:25 +0100 In-Reply-To: <20261003-b4-cio-reset-v3-0-e605f9e5c8a4@kernel.org> References: <20261003-b4-cio-reset-v3-0-e605f9e5c8a4@kernel.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-0+deb13u1 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 On Sa, 2026-10-03 at 22:50 +0200, Sven Peter wrote: > Hi, >=20 > 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. >=20 > [...] 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=3D5b428d8ecf10 [2/3] reset: Add Apple SoC CIO reset driver https://git.kernel.org/pub/scm/linux/kernel/git/pza/linux.git/commit/= ?id=3D6547df06b982 regards Philipp