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smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Luxxnqso; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (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 725B4606A333 for ; Wed, 11 Nov 2026 03:23:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Luxxnqso Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8ADFB1F0089F; Wed, 11 Nov 2026 03:23:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794367388; bh=8QjKzR1VguJw8D/MKsLYUOGbt7zIGd8HDj92xIUMoGk=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=LuxxnqsoZ7zHyXAvgGxiXaEeQuRtsZHdqDn8Z7nA9gn1KSYOuj+XR1djPT7D5jhYE eTepCO8zhEStyQXppLXih70DR6usI53+0gjIWI1pY/aHgkkA9NcHS+A5u4a0yqq26U BNinVqcmHQBQqI7D/doXhnin4m8LNdgOtHxLfrJBUwyvba788kEABuQDkTUX3d46dc rbCURUKQR7Pjx5Nbz39LMP4EtqMwGAxxz4zw4fAkqBzZJhYALHRN5BUO2zzz2yTHFo rEUMT0LmaGRSCj0Z2PoM4TCsC6AV8QwXheP8xQ4sGg+1OM9lPbUn7IsmWJZTHMBjis CnO0YZW/zQV+w== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v7 1/2] dt-bindings: phy: Add CIX Sky1 USB3 PHY Reply-To: sashiko-reviews@lists.linux.dev To: "Hongliang Yang" Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, robh@kernel.org, conor+dt@kernel.org, vkoul@kernel.org, neil.armstrong@linaro.org, olteanv@gmail.com In-Reply-To: <20261111030937.2954646-2-hongliang.yang@cixtech.com> References: <20261111030937.2954646-1-hongliang.yang@cixtech.com> <20261111030937.2954646-2-hongliang.yang@cixtech.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 11 Nov 2026 03:23:07 +0000 X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Thank you for your contribution! Sashiko AI review found 1 potential issue to consider: - [Low] dt-bindings: phy: cix,sky1-usb3-phy uses #phy-cells =3D 0 for two-lane PHY -- commit 2ddbb23ac4fa77b6667ad1996ba778aaeb0d7a6c Author: Hongliang Yang dt-bindings: phy: Add CIX Sky1 USB3 PHY This commit adds the Device Tree binding schema for the CIX Sky1 USB3 SuperSpeed PHY. > diff --git a/Documentation/devicetree/bindings/phy/cix,sky1-usb3-phy.yaml= b/Documentation/devicetree/bindings/phy/cix,sky1-usb3-phy.yaml > new file mode 100644 > index 0000000000000..205140bf84e7c > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/cix,sky1-usb3-phy.yaml > @@ -0,0 +1,78 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/phy/cix,sky1-usb3-phy.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: CIX Sky1 USB3 PHY > + > +maintainers: > + - Hongliang Yang > + > +description: | > + The CIX Sky1 USB3 PHY provides the SuperSpeed lanes of the USB3 Type-A > + ports of the SoC. > + > + Both lanes are programmed through one register block and share the > + same clocks and resets, so the node is a single PHY provider with > + #phy-cells =3D <0> that all consumers reference. The driver reference > + counts phy_init() and phy_exit(), so the block is set up once for all > + its consumers. > + > +properties: > + compatible: > + const: cix,sky1-usb3-phy > + > + reg: > + maxItems: 1 > + > + "#phy-cells": > + const: 0 [Severity: Low] As reported by Krzysztof Kozlowski on v6 [1], should #phy-cells be 1 so that each USB3 controller consumer node can specify which of the two PHY lanes it is wired to? The hardware block contains two independent SuperSpeed lanes with separate per-lane register sets and lane-disable controls serving two distinct USB3 controllers. Constraining #phy-cells to 0 omits which controller connects to which lane from the Device Tree ABI, preventing per-lane control, power management, or tuning without breaking the binding. In addition, the description justifies #phy-cells =3D <0> by citing Linux driver reference counting of phy_init() and phy_exit(), whereas bindings should describe the hardware rather than driver implementation details. [1] https://lore.kernel.org/r/20261105-kind-macaque-of-enhancement-ee0365@q= uoll --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261111030937.2954= 646-1-hongliang.yang@cixtech.com?part=3D1