From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 7485A384CEC; Wed, 12 Aug 2026 02:56:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786503365; cv=none; b=IP3KRh98ZAT71r4tJVPNmR4T0rNlYdC/0UMt5dYEoNpZ2SfeRCxJhFtTR5H2L5DO8ivx63rwYk6DYBSbYxca5yQnP/dxcGyB+WpWAbnWedm2MEu50AawIzMcqoIjgxu/KoHkPLOBo3v6V2YpGoCCgM/HVr+E5AZvP/0eF9O71HU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786503365; c=relaxed/simple; bh=Fl9dwupjRVsTufLFUNfCSw+H80KDBbSEtOlBtZLc5xw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hgYYsShaKMQu134OqKA+LdX6UCP3OiC4wsN8vfqhtt7fOgh/rJZb4l4IPxf/0Ystnh6XYmj1WH8nKvdVw7PVUI1RnB2EI/gAYA/FPTIm7/EFbqCxpcEFV1z3ciQp31fu5Ztd2ZpDtdJTzyj6/XzMsdwXkRtFY9Xa32neK+usCj8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YjXzq2nC; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YjXzq2nC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1423B1F000E9; Wed, 12 Aug 2026 02:56:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786503363; bh=Kt/Gnj2b43EWiU5G4BOTMXgY7mqqkW+KfAi5AcqL9kY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=YjXzq2nCTd8I3ZQ6SvSwxEMzkA2jzNZ0sNTQP+9kjseN+91VKqd4RaatuZ5kH1+Ix yCFkzj63Sf7lv4G8hEudXMhRBuRp+sxN6F/RYjNLNUBX9Fpc6URACXmerA4GBU/fly dP+Dfev2Dz+makZybB04h2MnMtIraUikbKJlar9S1F/9J/dMbMw95FVrj3cw4gaVAM Vuii1Ssnw4fGY/Zmt01KfnVaS939ik3M/1/ESE71k+mqKyO6W2mlXdFpjDxHtIAO07 8Y6m/SZpbN7hJfrm3DqTteNv1HANoUoOy2FUxYTrnc9qk3wYxDjj7ZCuz2h5T7Q9o2 SQRPPfGYJ6PJg== Date: Tue, 11 Aug 2026 21:56:02 -0500 From: "Rob Herring (Arm)" To: Tommaso Merciai Cc: tomm.merciai@gmail.com, Andi Shyti , Wolfram Sang , Magnus Damm , Chris Brandt , devicetree@vger.kernel.org, Krzysztof Kozlowski , Geert Uytterhoeven , linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Conor Dooley , biju.das.jz@bp.renesas.com Subject: Re: [PATCH v2] dt-bindings: i2c: renesas,riic: Drop clock-frequency from required Message-ID: <178650336197.631765.122141109682113788.robh@kernel.org> References: <20260806111018.782380-1-tommaso.merciai.xr@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260806111018.782380-1-tommaso.merciai.xr@bp.renesas.com> On Thu, 06 Aug 2026 13:10:13 +0200, Tommaso Merciai wrote: > clock-frequency is described as optional, with 100 kHz assumed when > absent, yet it is also listed as required. > > The description is correct: i2c-riic calls i2c_parse_fw_timings() with > use_defaults set, so the core falls back to I2C_MAX_STANDARD_MODE_FREQ > when the property is absent. > > The stale requirement only produces dtbs_check noise on boards relying > on the default: > > i2c@14400800 (renesas,riic-r9a09g047): 'clock-frequency' is a > required property > > Drop it. > > Signed-off-by: Tommaso Merciai > --- > v1->v2: > - Dropped all v1 series, need a rework. > - Fixed dtbs_check failure by dropping clock-frequency from the required list, > instead of adding it to the dts, as the absence of this property > indicates the default frequency 100 kHz. > v1: https://lore.kernel.org/all/20260803132828.3249424-3-tommaso.merciai.xr@bp.renesas.com/ > > Documentation/devicetree/bindings/i2c/renesas,riic.yaml | 1 - > 1 file changed, 1 deletion(-) > Acked-by: Rob Herring (Arm)