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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 627A4CD3427 for ; Mon, 4 May 2026 20:22:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C308610E143; Mon, 4 May 2026 20:22:05 +0000 (UTC) Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id DB53010E143 for ; Mon, 4 May 2026 20:22:04 +0000 (UTC) Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1wJznX-0007WV-EF; Mon, 04 May 2026 22:21:47 +0200 From: Marco Felsch Date: Mon, 04 May 2026 22:21:42 +0200 Subject: [PATCH 2/4] Revert "dt-bindings: display: bridge: ldb: Fill in reg property" MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260504-v7-1-topic-ldb-fixes-v1-2-0125d937ff7f@pengutronix.de> References: <20260504-v7-1-topic-ldb-fixes-v1-0-0125d937ff7f@pengutronix.de> In-Reply-To: <20260504-v7-1-topic-ldb-fixes-v1-0-0125d937ff7f@pengutronix.de> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Marek Vasut , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , laurentiu.palcu@oss.nxp.com, victor.liu@nxp.com Cc: kernel@pengutronix.de, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Marco Felsch X-Mailer: b4 0.14.2 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::28 X-SA-Exim-Mail-From: m.felsch@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This reverts commit 16c8d76abe83d75b578d72ee22d25a52c764e14a. Remove the 'reg' and 'reg-names' property from the LDB. The LDB is either part of the IOMUX_GPR (i.MX6SX) or the BLKCTRL (i.MX8MP, i.MX93) register space. Both IOMUX_GPR and BLKCTRL are register ranges with loose register definitions. E.g. - On the i.MX8MP there is one register which controls the AXI threshold for two different IPs (BIT(31:16) - IP1, BIT(15:0) - IP2). - On the i.MX6SX IOMUXC_GPR5 controlls: CSI2 mux, WDOG3 settings, PXP handshake, ... In conclusion: it can't be ensured that one register belongs to one dedicated IP and the LDB is rather an exception than the rule. Signed-off-by: Marco Felsch --- .../devicetree/bindings/display/bridge/fsl,ldb.yaml | 15 +-------------- 1 file changed, 1 insertion(+), 14 deletions(-) diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml index 828b7a40e9b6cf27f76d1cd3009505b03cbe09f1..e04df77af756f1dc46fc098d765502d44cc2de00 100644 --- a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml +++ b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml @@ -27,14 +27,6 @@ properties: clock-names: const: ldb - reg: - maxItems: 2 - - reg-names: - items: - - const: ldb - - const: lvds - nxp,enable-termination-resistor: type: boolean description: @@ -99,15 +91,10 @@ examples: #include blk-ctrl { - #address-cells = <1>; - #size-cells = <1>; - - bridge@5c { + bridge { compatible = "fsl,imx8mp-ldb"; clocks = <&clk IMX8MP_CLK_MEDIA_LDB>; clock-names = "ldb"; - reg = <0x5c 0x4>, <0x128 0x4>; - reg-names = "ldb", "lvds"; ports { #address-cells = <1>; -- 2.47.3