linux-kernel - Re: [PATCH 1/2] arm64: dts: rockchip: Simplify usb-c-connector port on rk3566-pinenote

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Message-ID: <a726fac9-afe5-4639-b06a-4bccc256d98f@kernel.org>
Date: Sun, 9 Nov 2025 18:37:26 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Diederik de Haas <diederik@...ow-tech.com>, Rob Herring
 <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 Samuel Holland <samuel@...lland.org>
Cc: hrdl <git@...l.eu>, phantomas <phantomas@...ntomas.xyz>,
 Dragan Simic <dsimic@...jaro.org>, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] arm64: dts: rockchip: Simplify usb-c-connector port
 on rk3566-pinenote

On 09/11/2025 18:05, Diederik de Haas wrote:
> The USB-C connector on the PineNote has only 1 port, so there's no need
> for a 'ports' node with address-/size-cells properties as a single
> 'port' node suffices.
> 
> This fixes the following DT validation issue:
> 
>   Warning (graph_child_address): /i2c@...c0000/tcpc@...connector/ports:
>     graph node has single child node 'port@0',
>     #address-cells/#size-cells are not necessary

This is not a DT validation, but DTC warning which we do not really fix.
Are you sure the 'port' is accepted by bindings?

Best regards,
Krzysztof