From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9B0DF392C2D; Mon, 13 Apr 2026 06:37:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776062276; cv=none; b=UhbEGJgsLH/OH+tdH3G/x5PyVKMMbu7A4U2T3zrj+xgD7K9mIfivKz8cUNOuSyp72oGwKNsR8TL9AF02DE0/dFCYvqT6LiEU6VAzsBORHYBDbWkRb2sOVxiLfiP7tOl3wKNCBZGKwPRNm9rD3Xl0sBJX897EOyK1wpZDZhNzKK8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776062276; c=relaxed/simple; bh=Lc2iuMmCkTAxHdpo2ZLitbAbycTCkRjLir+pHiyUmE4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=UaKnI5r8SLDH7dW6O6Uygj49MvWVH62hZLTwyCWTfihMH+irMI9GOSuQVahicnwqPzal96MTes+/mYHE01Eoy7IOmuLr/Vd1zT6VZt15AhumzVxfV8e74ZQmMzxTcRCmAMFwlaNYH+0P7WPugAA5PkbqO1MIiQ7mjXkCLREkkYc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eu1Cnvq5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eu1Cnvq5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93A76C116C6; Mon, 13 Apr 2026 06:37:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776062276; bh=Lc2iuMmCkTAxHdpo2ZLitbAbycTCkRjLir+pHiyUmE4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=eu1Cnvq5d+/S31tG6Ie9G765p9dfs5nH4dkvb8iwJF80ronGWiUoYqkbvo4URxm/S VlyWLtcFnfQVA4cDKUyP3Tla6Iy9ZBc5KS3yAtuOuQtFhQX7SeagtmMX5KTg80cMRA i6Q2QohMVXqe2OlW4wpJHKPg6dZu2lgLyl3q1rfTu2BnKG2+Bp3eaK85t9gp+nn3K5 4+7FoojJpvDYvPWrB191yc5GsjscrBdeMe1LH5BowuHyoXGC8+PIcfrxYBLErEk/nq A5SJ0ZAmcmjz1wEC0NlllY7O4voBiSHQbz1nFtqP3HLw74ZwLVIRDEZ+U1uXul2tB6 yrsmPqT2RZxlA== Message-ID: <00f0d18e-feba-45cd-af92-f737c9b965ef@kernel.org> Date: Mon, 13 Apr 2026 08:37:52 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Phandles To: Kyle Bonnici , Herve Codina Cc: "devicetree-compiler@vger.kernel.org" , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "devicetree@vger.kernel.org" References: <20260412145144.4737fde6@bootlin.com> <20260412173916.7a971a45@bootlin.com> <163D807F-0F83-4282-B182-7A18B124D3E6@hotmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 12/04/2026 18:37, Kyle Bonnici wrote: >>>> Case 1: >>>> / { >>>> node1 { >>>> pwms = <1 &pwm0 1 20 PWM_POLARITY_NORMAL>; >>>> >>>> Here the first cell '1' is not a phandle. >>> >>> Here the compiler is making an assumption here that all `pwms` properties must be specifier properties and all use `pwm` specifier. >> >> I think the purpose of 'select: true' is to have the binding always applied: >> https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/pwm/pwm-consumer.yaml#L15 >> > > > I’m having trouble finding where the Devicetree Specification (v0.4) mandates that all binding systems must extend dt-schema. > Since this requirement isn't explicitly in the spec, it follows that the WARNING_PROPERTY_PHANDLE_CELLS validation belongs in dt-validate rather than within dtc itself. So you want to have a property with values not being phandle? The spec defines that properties like "pwm" must contain "value of properties with a phandle value type". Therefore what does '1' represents in your example? Best regards, Krzysztof