From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 27A49C5AD55 for ; Mon, 10 Aug 2026 16:02:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=w7p43VGfb3bUIVfnjYJPEQrg/m2q3ZK4huMmdI2LR14=; b=WkP1th6hEJxCqtBBHdQWY4vR7H 3TexTYIwmrEn9k6rSqE3rjTdP0heMO76wjogVgQJVi8SVLMkniQEC+83V/3Ph56482qB64ubqyc0O Xn0VjWRBEMTS5jSJWca7PksJ6p7iVAtIopQ/s3GcaiEIMCPTfiT/AxMCQolYov3Ee+jmAhP7RpMTx yZJdtXujw5G1YgK3LEXpVXuQ208+MqWoUj8EJu0HaPaOGEMekFbmX05vr0dCrGr57NyVoYW3++Csi c/YAPQXTq8Vjj1fOwX4LK34HkrcJ3xZc8lRWLD6BJ1Iid6T1ojAtFPQKXvmZOGnCXeTE84gAxclUw VR0co4kg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtSS4-0000000CKdu-0xHl; Mon, 10 Aug 2026 16:02:12 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtSS2-0000000CKdT-0Vmh for linux-arm-kernel@lists.infradead.org; Mon, 10 Aug 2026 16:02:10 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 8BB48600E2; Mon, 10 Aug 2026 16:02:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29D2C1F00AC4; Mon, 10 Aug 2026 16:02:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786377726; bh=w7p43VGfb3bUIVfnjYJPEQrg/m2q3ZK4huMmdI2LR14=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=hVWKSlWea0NFTRlkHdkxXXtSYk6ZGTQm45LFzbXdo2ftzRFvRrbrdp+g90ypQnMTM e4HhyifWyjioNidwSf2MUPN1M5pPSyJ1qsIuixqmoU2JDkQqrSM5L0+OodQLHd6WLs DXAAWVdj6sCGagNMww81ZxcR7IHhybQlUTTa6KYWji5xJcv4FffmMH96+C26ORxCO/ /bq+23IBbxAT3tqpbxNgFZT4fwrkxSp8enPrwBU1fkejZjU/TJeHdBAhfjXNn06a3G Gh41XIn1lavYGauCtavr3w/eABlXuAtxUua0PATJGe4ThLXpjfV6H1lLE9xm3p2lW5 yEPFgfICsmSzw== Date: Mon, 10 Aug 2026 17:02:02 +0100 From: Conor Dooley To: Sven Peter Cc: Janne Grunau , Neal Gompa , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] dt-bindings: reset: Add Apple SoC CIO reset Message-ID: <20260810-unveiled-specked-a856434db8df@spud> References: <20260809-b4-cio-reset-v1-0-4f33777d9b4b@kernel.org> <20260809-b4-cio-reset-v1-1-4f33777d9b4b@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="N2Sxqftfd7ROY7yz" Content-Disposition: inline In-Reply-To: <20260809-b4-cio-reset-v1-1-4f33777d9b4b@kernel.org> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --N2Sxqftfd7ROY7yz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Aug 09, 2026 at 02:16:02PM +0200, Sven Peter wrote: > The CIO (USB4/Thunderbolt) blocks 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 each port comes with a dedicated > register page, represented as a standalone node. On t600x a single > register shared by all ports of a die is located in the middle of the > PMGR MMIO region instead, represented as a sub-node of the PMGR syscon. >=20 > Signed-off-by: Sven Peter Fix the sashiko complaint and then Reviewed-by: Conor Dooley pw-bot: not-applicable > + - | > + power-management@28e080000 { > + compatible =3D "apple,t6000-pmgr", "apple,pmgr", "syscon", "simp= le-mfd"; > + reg =3D <0x8e080000 0x1c000>; > + #address-cells =3D <1>; > + #size-cells =3D <1>; > + > + reset-controller@1a034 { > + compatible =3D "apple,t6000-cio-reset"; > + reg =3D <0x1a034 0x4>; > + #reset-cells =3D <1>; > + }; > + }; Probably the fix is actually moving this to the parent device bnding. --N2Sxqftfd7ROY7yz Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCann1+gAKCRB4tDGHoIJi 0jBgAQDYWOEGR74Ds6KSZUGl/Cm2Kr3fF2JYxWhCO3HCFEXHvgD+N2kbKxt/f94d E6xkauGWWWPsmeqbgKCFEXXuvtDnJQo= =iapb -----END PGP SIGNATURE----- --N2Sxqftfd7ROY7yz--