From patchwork Fri Sep 22 12:30:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Francesco Dolcini X-Patchwork-Id: 13395762 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 BE5CDCD4F5D for ; Fri, 22 Sep 2023 12:30:56 +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:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=69PZdOB2smqjaxf9e3QXPiOPqpph0Gpl5OyCQAoKThg=; b=kNpn8TqJ6lslsV KM2aAVdAFWTP2FK9eXNfdHAUmWuNr+Bbi+hXL1uCxV9SiiskNIdUEmPKlSL36YkERE/o1r+fojTEm 3k/A05HUgllNNWMrK4gbnKhV8X4n5MZdIVRb/yo4wbU+Zyg+pVLo4EkYQwz0QomOd5kbjiQKlAbJb 3kfoaAI6zm4KDBZoMvE05Uvk+DRa1LMNfDcs6hNv5FD9UZFsghXmSgcjcqheTb/Z35oA1ypBkdJj1 A7R1qyZfwqPvJTxWLQv3zBJxzw9+/HAc9uAhUinRqiFhNnlWcb1AUt0xHz74QpMBbA+lA+bIyxa4x 9KEf2y/5s/jr1mKuOQKA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qjfIb-0093Pr-0g; Fri, 22 Sep 2023 12:30:21 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qjfIX-0093OF-2K for linux-arm-kernel@lists.infradead.org; Fri, 22 Sep 2023 12:30:19 +0000 Received: from francesco-nb.pivistrello.it (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id 0E29D20371; Fri, 22 Sep 2023 14:30:07 +0200 (CEST) From: Francesco Dolcini To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Francesco Dolcini Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] arm64: dts: ti: verdin-am62: disable MIPI DSI bridge Date: Fri, 22 Sep 2023 14:30:03 +0200 Message-Id: <20230922123003.25002-1-francesco@dolcini.it> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230922_053017_948684_D1D5008D X-CRM114-Status: UNSURE ( 9.50 ) X-CRM114-Notice: Please train this message. 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 From: Francesco Dolcini Keep the DPI to MIPI-DSI bridge disabled in the SoM dtsi file. The display chain is not wholly described in the device tree file, on Verdin product family the displays are additional accessories that are configured/enabled using DT overlays. With this enabled we have issues when a display is enabled on TIDSS port1 (LVDS) and port0 (DSI) is not used. Fixes: 9e77200356ba ("arm64: dts: ti: verdin-am62: Add DSI display support") Signed-off-by: Francesco Dolcini --- arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi index 40992e7e4c30..5db52f237253 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi @@ -1061,6 +1061,7 @@ dsi_bridge: dsi@e { vddc-supply = <®_1v2_dsi>; vddmipi-supply = <®_1v2_dsi>; vddio-supply = <®_1v8_dsi>; + status = "disabled"; dsi_bridge_ports: ports { #address-cells = <1>;