[{"id":3676834,"web_url":"http://patchwork.ozlabs.org/comment/3676834/","msgid":"<20260413-unwed-energy-02b0f152d165@spud>","list_archive_url":null,"date":"2026-04-13T15:39:02","subject":"Re: [PATCH v3 20/21] dt-bindings: gpio: describe Waveshare GPIO\n controller","submitter":{"id":84372,"url":"http://patchwork.ozlabs.org/api/people/84372/","name":"Conor Dooley","email":"conor@kernel.org"},"content":"On Mon, Apr 13, 2026 at 05:05:43PM +0300, Dmitry Baryshkov wrote:\n> The Waveshare DSI TOUCH family of panels has separate on-board GPIO\n> controller, which controls power supplies to the panel and the touch\n> screen and provides reset pins for both the panel and the touchscreen.\n> Also it provides a simple PWM controller for panel backlight.\n> \n> Add bindings for these GPIO controllers. As overall integration might be\n> not very obvious (and it differs significantly from the bindings used by\n> the original drivers), provide complete example with the on-board\n> regulators and the DSI panel.\n> \n> Signed-off-by: Dmitry Baryshkov \n\nAcked-by: Conor Dooley \npw-bot: not-applicable","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=DSDcF0Mq;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; helo=sea.lore.kernel.org;\n envelope-from=linux-gpio+bounces-35118-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=\"DSDcF0Mq\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=10.30.226.201"],"Received":["from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fvWwr6817z1yDG\n\tfor ; Tue, 14 Apr 2026 01:46:36 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 327123060CA9\n\tfor ; Mon, 13 Apr 2026 15:39:10 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 678DB3E121D;\n\tMon, 13 Apr 2026 15:39:09 +0000 (UTC)","from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org\n [10.30.226.201])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 2987B3DF010;\n\tMon, 13 Apr 2026 15:39:08 +0000 (UTC)","by smtp.kernel.org (Postfix) with ESMTPSA id 77BCCC2BCB0;\n\tMon, 13 Apr 2026 15:39:04 +0000 (UTC)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776094749; cv=none;\n b=HNsu4llro1j8slUrLcADXsJz7S6rcejKxMAVuwrDb7gbPisMfh3u5ewV3Xg3ixRyl+GfkDVQ7VC6b9WXAO2CGTQRlCzgwQKjizv/BJVa+KWXrvLDyQUWLTk+dLWr91wIZeCuRR+XC6bWoWGOELF2JpucvECrd6Qt7EBupsf4D7U=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776094749; c=relaxed/simple;\n\tbh=5QadCKKgpXr3kgDA5Kh5wEnfHoR6sXkaWzTiQDRCL8E=;\n\th=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version:\n\t Content-Type:Content-Disposition:In-Reply-To;\n b=o3Ug9mdS0hyWbCAUPhhmYrMI7I6/EAROQkVKSjjgl2JdlRuQqJy4wLLhtrBKJYd8Pc9FCc4UpBziLrxG5wHrEHfhyp7wfCIScYdh85FqkX19YXsRDTKb5dgktJIhBK4OR6qph8x+zTgiv49bs7SPbKkoFNZX1bSvpCmi80sWlAA=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=DSDcF0Mq; arc=none smtp.client-ip=10.30.226.201","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1776094748;\n\tbh=5QadCKKgpXr3kgDA5Kh5wEnfHoR6sXkaWzTiQDRCL8E=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=DSDcF0MqFhxRfd6z8Mq9kpdj2Of1AdRqwPDq9/WY6gX67s2Fdpq091C3uhjJek37e\n\t rDJv5nnj58b4BsDHX/dhWlXb0pPPX2vrFlgmaA+81CqZMbvu3LEsMxSlgjr6eMwRur\n\t Tz343eqnCM8jtACyImiVQldcbgKsTEhVpRlume0ysXuOYIQAHX3p1n9TgandQaNPhE\n\t rUWsWd8fFM7y9EAen8wMbIAWKGhpAFpzsFzymBBbNimOixYXo7QN03Z6+I7zO2JgOw\n\t Q6w3+Gm4jiKZuwXVPVFfxUW3dl+30LSk4xDykzvSjVwGCzI27aNHVk6ODxfHzut7b0\n\t xT5BYngh1aqHQ==","Date":"Mon, 13 Apr 2026 16:39:02 +0100","From":"Conor Dooley ","To":"Dmitry Baryshkov ","Cc":"Neil Armstrong ,\n\tJessica Zhang ,\n\tDavid Airlie , Simona Vetter ,\n\tMaarten Lankhorst ,\n\tMaxime Ripard ,\n\tThomas Zimmermann ,\n\tRob Herring ,\n\tKrzysztof Kozlowski ,\n\tConor Dooley ,\n\tCong Yang ,\n\tOndrej Jirman ,\n\tJavier Martinez Canillas ,\n\tJagan Teki , Liam Girdwood ,\n\tMark Brown , Linus Walleij ,\n\tBartosz Golaszewski ,\n\tJie Gan , dri-devel@lists.freedesktop.org,\n\tdevicetree@vger.kernel.org, linux-kernel@vger.kernel.org,\n\tlinux-gpio@vger.kernel.org","Subject":"Re: [PATCH v3 20/21] dt-bindings: gpio: describe Waveshare GPIO\n controller","Message-ID":"<20260413-unwed-energy-02b0f152d165@spud>","References":"<20260413-waveshare-dsi-touch-v3-0-3aeb53022c32@oss.qualcomm.com>\n <20260413-waveshare-dsi-touch-v3-20-3aeb53022c32@oss.qualcomm.com>","Precedence":"bulk","X-Mailing-List":"linux-gpio@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"multipart/signed; micalg=pgp-sha512;\n\tprotocol=\"application/pgp-signature\"; boundary=\"mU8o5eBcLdlDCcZO\"","Content-Disposition":"inline","In-Reply-To":"\n <20260413-waveshare-dsi-touch-v3-20-3aeb53022c32@oss.qualcomm.com>"}}]