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Mon, 15 Dec 2025 08:31:48 +0100 (CET) From: Alexander Stein To: Frank Li Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Philipp Zabel , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] dt-bindings: power: fsl,imx-gpc: Document address-cells Date: Mon, 15 Dec 2025 08:31:47 +0100 Message-ID: <12807757.O9o76ZdvQC@steina-w> Organization: TQ-Systems GmbH In-Reply-To: References: <20251212085902.103507-1-alexander.stein@ew.tq-group.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart5957622.DvuYhMxLoT"; micalg="pgp-sha512"; protocol="application/pgp-signature" X-cloud-security-sender:alexander.stein@ew.tq-group.com X-cloud-security-recipient:devicetree@vger.kernel.org X-cloud-security-crypt: load encryption module X-cloud-security-Mailarchiv: E-Mail archived for: alexander.stein@ew.tq-group.com X-cloud-security-Mailarchivtype:outbound X-cloud-security-Virusscan:CLEAN X-cloud-security-disclaimer: This E-Mail was scanned by E-Mailservice on mx-relay48-hz3.antispameurope.com with 4dVBZs00wwz1kNkWZ X-cloud-security-connect: he-nlb01-hz1.hornetsecurity.com[94.100.132.6], TLS=1, IP=94.100.132.6 X-cloud-security-Digest:fbd490092935c18b4ac3a78bf74f2ef7 X-cloud-security:scantime:1.933 DKIM-Signature: a=rsa-sha256; bh=M/3NQ1ZFlz91mAO+kwIn+vkLcFkrkUM1n9uVSSYrHYk=; c=relaxed/relaxed; d=ew.tq-group.com; h=content-type:mime-version:subject:from:to:message-id:date; s=hse1; t=1765783913; v=1; b=RlXU+BlrltVu5mFLAoM1IDZAkLvSiqrnNBpSyndDZ3UUAJepeXJjSZZyf/8pqGH01ZNAZqBe lsoZi0VAFTrtUNA6ch5nLEMi7t5bg/1RYvL3feQY1T61JyXFvcdu6asGqVvQx7qW/K8MD66nd/k +6dN9Pl0ZbyztDeDXJU+VihHgl+CMcTxOWc/gKAowm1OunaJzyCeSyq1c4omPGkA69pwGqtIEgz R9DSrAbwtahveXlXGpqeHTVTDbWtgO9CVtbyT305mUceadTjGw0ceSuxyhewSmwfuRbVCu5M/sL UW5u+OMRFNZgQMVoKuhei8YZeInO9koXOs/dmT+VI8WZw== --nextPart5957622.DvuYhMxLoT Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1"; protected-headers="v1" From: Alexander Stein To: Frank Li Date: Mon, 15 Dec 2025 08:31:47 +0100 Message-ID: <12807757.O9o76ZdvQC@steina-w> Organization: TQ-Systems GmbH In-Reply-To: MIME-Version: 1.0 Hi, Am Freitag, 12. Dezember 2025, 18:02:32 CET schrieb Frank Li: > On Fri, Dec 12, 2025 at 09:58:59AM +0100, Alexander Stein wrote: > > The GPC power controller is an interrupt controllers and can be referen= ced > > in interrupt-map properties, e.g. PCIe controller, thus the node should > > have address-cells property. > > > > Signed-off-by: Alexander Stein >=20 > Strange, there are not #address-cells property for gic if there are not > ITS node. gic is widely used. >=20 > Does gic node also missed #address-cells? Yes and no. Yes: see commit faf183a02ed6b ("arm64: dts: imx8mp: Add default GIC address= cells") No: AFAICS this is only necessary if an interrupt-controller is referenced from within interrupt-map. But on imx6qdl.dtsi 'intc' (GIC) is not used tha= t way. Best regards, Alexander >=20 > Frank >=20 > > --- > > Documentation/devicetree/bindings/power/fsl,imx-gpc.yaml | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/power/fsl,imx-gpc.yaml b= /Documentation/devicetree/bindings/power/fsl,imx-gpc.yaml > > index 9de3fe73c1eb6..d49a5130b87c7 100644 > > --- a/Documentation/devicetree/bindings/power/fsl,imx-gpc.yaml > > +++ b/Documentation/devicetree/bindings/power/fsl,imx-gpc.yaml > > @@ -38,6 +38,9 @@ properties: > > reg: > > maxItems: 1 > > > > + "#address-cells": > > + const: 0 > > + > > interrupts: > > maxItems: 1 > > > > -- > > 2.43.0 > > >=20 =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/ --nextPart5957622.DvuYhMxLoT Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. 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