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 5C08211CBD; Mon, 20 May 2024 06:53:41 +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=1716188021; cv=none; b=SGm0UiHjsvcIrZB66u+RllIdLQqbspdjJGOthZntV4Yk49KPg9iSsysiB4mZgGRHyboevxIBt4uRmIQ7qPJxerOLz//W734bEszWLvexxc3iQnR3nPLy7yq373Nec/neaX5a67OqcUcbhmVD06EQTD7RjMXez+OhckByGsF7BPk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716188021; c=relaxed/simple; bh=aPvTGHmzC1tXHmnngIXATFIBNFjt3c0xS48WD1tiMWQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=L4HfbCjdBA2f/4tWpyQ93dmZqk5V25tVQK53IaD3axCbmhE6qtgRiQhhwPvGdcN9Wuy//KMALGyuHIVnh2o9TQl8CYm/IuESri6zOgv2ToGNM0br+wKGkRr0oc9mFZwSBCDFsTF6woXaFxSenPn+aTHjmB31MYCJ6DGMelC/ZiU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=th4+0sJt; 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="th4+0sJt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 144A5C2BD10; Mon, 20 May 2024 06:53:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1716188020; bh=aPvTGHmzC1tXHmnngIXATFIBNFjt3c0xS48WD1tiMWQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=th4+0sJtVygM33NaABakHg38X9Xbba8bwnjHhtuujEeFDwpn/qrnkSEsUJmAWwH86 3wbs8UASoAetagi0Kw1r+miJCNRENfm+GBPAjv3N97L5QOyH4UGSJ89c/1rPcRJ09u F0SgOcpsx9R5rxp/nvqhH91fjCZ9pgCAvIfJeckLZQIJQejlFQDnwn/2XwN7d50BRy lJoL+bIzetw1mldMoBjXWp4C3L+OdYhG7IryGN/g/RriSYn+eBwnvYxrQdAUm+GUL0 75MXfCluPbHeHW23QBEeJmw+XC249zMwvJx7NN7h7mKVNtmkvZRgirM3dhq+OUj09Y 8PBEgc7LT1sAw== Message-ID: <469be7c2-6865-40d4-bd06-15dc3a08b3e3@kernel.org> Date: Mon, 20 May 2024 08:53:34 +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: [PATCH] dt-bindings: usb: gpio-sbu-mux: Add an entry for TMUXHS4212 To: Francesco Dolcini Cc: Parth Pancholi , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Parth Pancholi , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20240517111140.859677-1-parth105105@gmail.com> <1675a33d-47af-4de9-a0e7-177cbe208e2b@kernel.org> <20240519202754.GA3334@francesco-nb> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 19/05/2024 22:27, Francesco Dolcini wrote: > Hello Krzysztof, > thanks for the review. > > On Sun, May 19, 2024 at 07:38:07PM +0200, Krzysztof Kozlowski wrote: >> On 17/05/2024 13:11, Parth Pancholi wrote: >>> From: Parth Pancholi >>> >>> Add a compatible entry for the TI TMUXHS4212 GPIO-based >>> bidirectional 2:1 mux/1:2 demux which can be used for >>> switching orientation of the SBU lines in USB Type-C >>> applications. >>> >>> TMUXHS4212 datasheet: https://www.ti.com/lit/ds/symlink/tmuxhs4212.pdf >>> >>> Signed-off-by: Parth Pancholi >>> --- >>> Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml | 1 + >>> 1 file changed, 1 insertion(+) >> >> Where is an user of this? > > The Linux driver (drivers/usb/typec/mux/gpio-sbu-mux.c) is using only > "gpio-sbu-mux", just in case you did not check yourself already. > > As of now there is no DT file in-tree using this new compatible, FWIW > "onnn,fsusb43l10x" in the same file is not used by anybody. From some > old discussion here [1] (not exactly the same - I know, and coming not > from a DT kernel maintainer) I assumed that it was fine to send such > a change. > > If it's not the case we'll send the patch later on, however some > DT files maintainers (e.g. arch/arm64/boot/dts/ti/) have a policy to > just accept DT file in which the binding changes are already merged > therefore I was trying to be a little bit proactive here. TI? Never heard something like this from them... Such requirement would seriously slow down any work, so it's not really reasonable. Expectation is to post both binding change and an user, so DTS, in case of USB in separate patchsets. Otherwise you will get such questions, so your biondings patches also won't have easy path to merging... Acked-by: Krzysztof Kozlowski Best regards, Krzysztof