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 5D53FC25B76 for ; Sat, 8 Jun 2024 17:44:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=AaOpS74UcE4Bi8hz2vT9N8y8DnYlyKSmzFBA8StMM5E=; b=45Bn9ej9MCBUyU Tc5PieY/l2xiwP+T5fpA/YD9a0Nhdx0BL34nO5LTtoYkgmbOtiVY/WdKQ6sONMRRo9QU1rtnKp46t AUfnTyiRAzzJlbKJG/csZy0t2A3Jk99LrzSv3nksTBs11M0XJDXQmt/SSgcmpUlC+Pz7HWnBzrJ6C VQfU89uTSzu915LKWnNgHgTolsjs1AkLHopJuhRxZ7tRldBl5Z79kvxZkQ/Xzb/NtKBvzqzVw2DJ4 WyZG5ZcPI89erpeyJf4/Gbtv+m24/TJrHCAoecv8KK8I/MfzdtktKG/tGoZDnrxG4nLoKXpTbT3Tv Uk8gtCPIKZrICDz8W4cQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sG06d-00000000UGX-3LIX; Sat, 08 Jun 2024 17:43:55 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sG06a-00000000UG5-23SB for linux-arm-kernel@lists.infradead.org; Sat, 08 Jun 2024 17:43:54 +0000 Received: from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi [81.175.209.231]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 7098C3D5; Sat, 8 Jun 2024 19:43:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1717868619; bh=kLrCDhLXWnQi/6oBKEMwSX/fJZJaRc1yeJy8v9thCfw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=o+mtMy5BX82AFz4IFfICIsn6mrYQASrhQeSJUOiCHAw1l5ccBak3aslxLmpK67pzD 1K84co2y9X2B2VXUlKi05nK9OLDhBs5hxb+I4a8Z6AswjttXp70UC4kvP+LPCUgH5t r4lscGrhRlQtlKo7Wg423dn/3kSgwbJ8Zgj7FB54= Date: Sat, 8 Jun 2024 20:43:31 +0300 From: Laurent Pinchart To: Shawn Guo Cc: linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, devicetree@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Li Yang , Marco Contenti , Nate Drude , FrancescoFerraro , Harshesh Valera Subject: Re: [PATCH v2 4/4] arm64: dts: freescale: Add panel overlay for Variscite DART Message-ID: <20240608174331.GG18479@pendragon.ideasonboard.com> References: <20231025165058.31697-1-laurent.pinchart@ideasonboard.com> <20231025165058.31697-5-laurent.pinchart@ideasonboard.com> <20231127031631.GY87953@dragon> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20231127031631.GY87953@dragon> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240608_104352_756926_9D4B90C6 X-CRM114-Status: GOOD ( 13.09 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Shawn, On Mon, Nov 27, 2023 at 11:16:31AM +0800, Shawn Guo wrote: > On Wed, Oct 25, 2023 at 07:50:58PM +0300, Laurent Pinchart wrote: > > Add a DT overlay for the Variscite i.MX8MP DT8MCustomBoard that models > > the GKTW70SDAE4SE LVDS panel found in the evaluation kit. > > > > Signed-off-by: Laurent Pinchart > > It doesn't apply to imx/dt64 branch, and I managed to manually apply it. I'll submit a v3 based on that branch. > However, here is what I'm getting from 'make ARCH=arm64 dtbs'. > > ../arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtso:54.3-16: Warning (reg_format): /fragment@1/__overlay__/touch@38:reg: property has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1) > arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtbo: Warning (pci_device_reg): Failed prerequisite 'reg_format' > arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtbo: Warning (pci_device_bus_num): Failed prerequisite 'reg_format' > arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtbo: Warning (i2c_bus_reg): Failed prerequisite 'reg_format' > arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtbo: Warning (spi_bus_reg): Failed prerequisite 'reg_format' > ../arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtso:52.11-68.4: Warning (avoid_default_addr_size): /fragment@1/__overlay__/touch@38: Relying on default #address-cells value > ../arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtso:52.11-68.4: Warning (avoid_default_addr_size): /fragment@1/__overlay__/touch@38: Relying on default #size-cells value > arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtbo: Warning (graph_port): /fragment@3: graph port node name should be 'port' > ../arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtso:85.15-87.3: Warning (graph_endpoint): /fragment@3/__overlay__: graph endpoint node name should be 'endpoint' > ../arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtso:85.15-87.3: Warning (graph_endpoint): /fragment@3/__overlay__: graph connection to node '/fragment@0/__overlay__/panel/port/endpoint' is not bidirectional Is that unexpected ? My understanding is that the DT compiler doesn't have enough information when compiling an overlay to validate the device tree, as it looks at the overlay only, without considering the base DT on which the overlay will apply. -- Regards, Laurent Pinchart _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel