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 4C0181EEE4; Wed, 7 Aug 2024 05:59:10 +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=1723010351; cv=none; b=XmXMzJj8VQJF08q92UpaKmA60fOYCXKNtrPlOdlFEmp72mP5mkFTKfqny6clZ2Kr9nxeQJJ8sxADOqFLamxf3n0BUqj+sq0r1AnyROTS1oqD30hylgDVfkp++ZRQNwIh9AP9q5B9TGD98wRKGOGF+Tmwu3K47i5sqo2Q3EiAjdU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723010351; c=relaxed/simple; bh=JgbfG4uRXAFRGGZ/fomaetxzIU+IsWrBA+wMVSnuc3g=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=T21mNsAJz5tsOH6D0ACfHdMX2ept1+5SWDPLdzM3kfedEUS1Qz4CdY69Ies9sIlk8l70Ctsk47lnay+4aX5ad9bYHL66Cx3sZSG6MvWV+dC26I5mlk9YrXMPr1mNOSzclnpQzn7gQ4AgVTvMy1Zphqn0UcJ5twM+Mw/Umn3j57g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=q1fqd1Ol; 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="q1fqd1Ol" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 46F59C32782; Wed, 7 Aug 2024 05:59:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723010350; bh=JgbfG4uRXAFRGGZ/fomaetxzIU+IsWrBA+wMVSnuc3g=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=q1fqd1OlwRNp0hvH6VQySd6KCaNgioeIzOgl3y3tEfR5aTxWtslyEuHGArc4jNq3W HpJGAA4eduHTQ+nUrEegOUTc3Kr7mJz1E/SSeWFKs8nD8/XBu5qHnVWqg5OfChpLjF feY7FwENfMrR0kntOnedrA/X19s7D+4IDMTrjsBSmCA2IkgGPPXQS1i198aNQbfrOI HsPMX7vIVpjQjGzxm9g0chVN9sbDFFcmrW9dTbu1NLRmM9sDQ672OGZEhjoX8EOUpD 0b3RSwulxy4aTj7nZEiIyso9Mu8+C58S2WHuBHBlLAExnluBjWksdfbdznAkaPQj54 MrREHseCOpKkQ== Message-ID: <9127e97e-64ad-47df-aa4f-03feafafdbb1@kernel.org> Date: Wed, 7 Aug 2024 07:59:02 +0200 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/5] dt-bindings: phy: imx8mq-usb: add compatible "fsl,imx95-usb-phy" To: Xu Yang Cc: Frank Li , vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, gregkh@linuxfoundation.org, jun.li@nxp.com, l.stach@pengutronix.de, aford173@gmail.com, hongxing.zhu@nxp.com, alexander.stein@ew.tq-group.com, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org References: <20240806050639.1013152-1-xu.yang_2@nxp.com> <160dd5fc-83ba-4311-a173-44521342a3d8@kernel.org> <20240807055701.o7fo43efvv3jxlhv@hippo> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 07/08/2024 07:57, Xu Yang wrote: > On Wed, Aug 07, 2024 at 07:48:43AM +0200, Krzysztof Kozlowski wrote: >> On 06/08/2024 18:11, Frank Li wrote: >>> On Tue, Aug 06, 2024 at 10:29:47AM +0200, Krzysztof Kozlowski wrote: >>>> On 06/08/2024 07:06, Xu Yang wrote: >>>>> The usb phy in i.MX95 is compatible with i.MX8MP's, this will add a >>>>> compatible "fsl,imx95-usb-phy" for i.MX95. Also change reg maxItems >>>>> to 2 since i.MX95 needs another regmap to control Type-C Assist (TCA) >>>>> block. Since i.MX95 usb phy is able to switch SS lanes, this will also >>>>> add orientation-switch and port property to the file. >>>>> >>>>> Signed-off-by: Xu Yang >>>>> >>>>> --- >>>>> Changes in v2: >>>>> - replace minItems with description in reg property >>>>> - remove orientation-switch and port >>>>> - refer to usb-switch.yaml >>>>> - use unevaluatedProperties >>>>> --- >>>>> .../bindings/phy/fsl,imx8mq-usb-phy.yaml | 42 ++++++++++++++++--- >>>>> 1 file changed, 37 insertions(+), 5 deletions(-) >>>>> >>>>> diff --git a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml >>>>> index dc3a3f709fea..6d6d211883ae 100644 >>>>> --- a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml >>>>> +++ b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml >>>>> @@ -11,12 +11,17 @@ maintainers: >>>>> >>>>> properties: >>>>> compatible: >>>>> - enum: >>>>> - - fsl,imx8mq-usb-phy >>>>> - - fsl,imx8mp-usb-phy >>>>> + oneOf: >>>>> + - enum: >>>>> + - fsl,imx8mq-usb-phy >>>>> + - fsl,imx8mp-usb-phy >>>>> + - items: >>>>> + - const: fsl,imx95-usb-phy >>>>> + - const: fsl,imx8mp-usb-phy >>>>> >>>>> reg: >>>>> - maxItems: 1 >>>>> + minItems: 1 >>>>> + maxItems: 2 >>>>> >>>>> "#phy-cells": >>>>> const: 0 >>>>> @@ -89,7 +94,34 @@ required: >>>>> - clocks >>>>> - clock-names >>>>> >>>>> -additionalProperties: false >>>>> +allOf: >>>>> + - if: >>>>> + properties: >>>>> + compatible: >>>>> + contains: >>>>> + enum: >>>>> + - fsl,imx95-usb-phy >>>>> + then: >>>>> + properties: >>>>> + reg: >>>>> + items: >>>>> + - description: USB PHY Control range >>>>> + - description: USB PHY TCA Block range >>>>> + else: >>>>> + properties: >>>>> + reg: >>>>> + maxItems: 1 >>>>> + >>>>> + - if: >>>>> + properties: >>>>> + compatible: >>>>> + contains: >>>>> + enum: >>>>> + - fsl,imx95-usb-phy >>>>> + then: >>>>> + $ref: /schemas/usb/usb-switch.yaml# >>>> >>>> ref should be rather in top-level. You can always disallow certain >>>> properties for devices, if they are really not applicable. >>> >>> There are some "required" in usb-switch.yaml, >>> >>> oneOf: >>> - required: >>> - port >>> - required: >>> - ports >>> >>> If put on the top, it may cause DTB check warning for other compatible >>> strings, which have not support usb-switch. >> >> Hm, indeed, that's unusual case to have such different devices in one >> schema. Did you test that above $ref in if: actually works? > > Yes, it works and this yaml pass dt_binding_check and dtbs_check. I know it passes, I am asking whether it actually works. Is the $ref actually effective? Is it properly applied? Best regards, Krzysztof