From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9BE8ACCF9E5 for ; Mon, 27 Oct 2025 00:06:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=IDl+J2NSPrHB8OD0HoYd1EC6pCinvP7Q63HbNnrnhVw=; b=OtEaOb2ti1nDZ8A2iEJb9nISyY kNYMjo8N0LKZVRujEh1e8F586U+IfaevZgbMXwHy6pgQ1iHpPZPXU7CzpPVMmIUcugfwKD9A4DKSE z5PUhvCox7EBziCGCQalG70na/C+aunwNHTfF6I/V51iaXiIME45AbNMUUy0nOmLoJlYVy1MDNMsh 8ZYpofEerepbXROny5CQg8lN+/DFYEj6st/jBrHPcKKx5CEfrQyHlCZ1aB+TRrQr862zAmN+vsT3U 08ipAgYeSLxkzf1GrOLwECdCtI7swhqJT725S9SgeN8Z/ubNIr54TgyB4Rz+A0QqRjHUw59cAbOEs 6mmGleAQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vDAkF-0000000Csey-38bp; Mon, 27 Oct 2025 00:05:55 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vDAkD-0000000CseZ-1QFQ for linux-arm-kernel@lists.infradead.org; Mon, 27 Oct 2025 00:05:54 +0000 Received: from pendragon.ideasonboard.com (82-203-161-16.bb.dnainternet.fi [82.203.161.16]) by perceval.ideasonboard.com (Postfix) with UTF8SMTPSA id 22ABD1440; Mon, 27 Oct 2025 01:04:04 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1761523444; bh=auHda76l+GnxC4l4AX5IUbUQ0/OD6TFUuSzzllIMoqY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fLLij5vdwxx78VYqIbIQ13SNB7tBegPvOc5vBzcKSKHeZNO8Ess/4v88akdINieS5 c6XpNEGOBGxaCcazwaQQYVzLt1wT8w99Vs7rtI3rLMk6ImLsXMS9eje7T18tXylEZz y5o0p/EeKkKbR9JVwvbDY4dSkQMcjFzCYIJvc8+o= Date: Mon, 27 Oct 2025 02:05:37 +0200 From: Laurent Pinchart To: Guoniu Zhou Cc: Rui Miguel Silva , Martin Kepplinger , Purism Kernel Team , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Philipp Zabel , Frank Li , linux-media@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Guoniu Zhou , Conor Dooley Subject: Re: [PATCH v7 1/5] media: dt-bindings: nxp,imx8mq-mipi-csi2: Add i.MX8ULP compatible string Message-ID: <20251027000537.GM13023@pendragon.ideasonboard.com> References: <20251023-csi2_imx8ulp-v7-0-5ecb081ce79b@nxp.com> <20251023-csi2_imx8ulp-v7-1-5ecb081ce79b@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20251023-csi2_imx8ulp-v7-1-5ecb081ce79b@nxp.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251026_170553_522367_B220D367 X-CRM114-Status: GOOD ( 19.43 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Guoniu, On Thu, Oct 23, 2025 at 05:19:42PM +0800, Guoniu Zhou wrote: > From: Guoniu Zhou > > The CSI-2 receiver in the i.MX8ULP is almost identical to the version > present in the i.MX8QXP/QM, but i.MX8ULP CSI-2 controller needs pclk > clock as the input clock for its APB interface of Control and Status > register(CSR). So add compatible string fsl,imx8ulp-mipi-csi2 and > increase maxItems of Clocks (clock-names) to 4 from 3. And keep the > same restriction for existing compatible. > > Reviewed-by: Frank Li > Acked-by: Conor Dooley > Signed-off-by: Guoniu Zhou > --- > .../bindings/media/nxp,imx8mq-mipi-csi2.yaml | 41 ++++++++++++++++++++-- > 1 file changed, 39 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml > index 3389bab266a9adbda313c8ad795b998641df12f3..da3978da1cab75292ada3f24837443f7f4ab6418 100644 > --- a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml > +++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml > @@ -20,6 +20,7 @@ properties: > - enum: > - fsl,imx8mq-mipi-csi2 > - fsl,imx8qxp-mipi-csi2 > + - fsl,imx8ulp-mipi-csi2 > - items: > - const: fsl,imx8qm-mipi-csi2 > - const: fsl,imx8qxp-mipi-csi2 > @@ -39,12 +40,16 @@ properties: > clock that the RX DPHY receives. > - description: ui is the pixel clock (phy_ref up to 333Mhz). > See the reference manual for details. > + - description: pclk is clock for csr APB interface. > + minItems: 3 > > clock-names: > items: > - const: core > - const: esc > - const: ui > + - const: pclk > + minItems: 3 > > power-domains: > maxItems: 1 > @@ -130,19 +135,51 @@ allOf: > compatible: > contains: > enum: > - - fsl,imx8qxp-mipi-csi2 > + - fsl,imx8ulp-mipi-csi2 > + then: > + properties: > + reg: > + minItems: 2 > + resets: > + minItems: 2 > + maxItems: 2 > + clocks: > + minItems: 4 > + clock-names: > + minItems: 4 Do we need the clock-names constraint ? The DT schemas will enforce that clocks and clock-names always have the same number of elements. > + > + - if: > + properties: > + compatible: > + contains: > + const: fsl,imx8qxp-mipi-csi2 > then: > properties: > reg: > minItems: 2 > resets: > maxItems: 1 > - else: > + clocks: > + maxItems: 3 > + clock-names: > + maxItems: 3 > + > + - if: > + properties: > + compatible: > + contains: > + enum: > + - fsl,imx8mq-mipi-csi2 > + then: > properties: > reg: > maxItems: 1 > resets: > minItems: 3 > + clocks: > + maxItems: 3 > + clock-names: > + maxItems: 3 > required: > - fsl,mipi-phy-gpr > Could you please sort those conditional blocks by alphabetical order of the compatible strings ? -- Regards, Laurent Pinchart