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 1F49ECCD195 for ; Fri, 17 Oct 2025 16:51:31 +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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=83oU0Nq5xnzMAjUkw90tTt3G6GepsINo4gg9dQdexT0=; b=k8jkpuoHSRNUHMqeqI0J4Uvae0 HVzZ95YvqRgLKm+YRuKGvrPDa5xPvFmW4m9NRfTo8c4L0WjGG8k9MyRyT+S/8NlN8ravp4oPd5dYI M3uUusQZ6Rytpf9x+YP9i0eHsdSbeIh4KHehOpOGI7x00YXUZhkD4pIRZxlS/e+ubyHo8uw8cTbea 5Y90NXCFXJDc0tJslgvfFSgShjli95JcBgJtE7cTcjk6gLoXzjgc6cmcXPWxa4nW9klmwWbO2JWK/ iG+sstfo9AYHXvLRQ2yUCIINZlvWpCM73bP1fCMf/hYlAwuQAHganRsT7A9ZS684ma1rcSTfeYy9s 9SodhaRQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v9nfq-00000008VAP-02fG; Fri, 17 Oct 2025 16:51:26 +0000 Received: from mout-p-101.mailbox.org ([80.241.56.151]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v9nfa-00000008V16-3C6Y for linux-arm-kernel@lists.infradead.org; Fri, 17 Oct 2025 16:51:12 +0000 Received: from smtp2.mailbox.org (smtp2.mailbox.org [10.196.197.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-101.mailbox.org (Postfix) with ESMTPS id 4cp9nR3rnfz9sSq; Fri, 17 Oct 2025 18:51:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1760719867; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=83oU0Nq5xnzMAjUkw90tTt3G6GepsINo4gg9dQdexT0=; b=Jw3J8SISIni0bCg4/v9AwVeE1UpeeKVWJcpg85mRTFP1MGZQ5MYCcOT/+h5iaSVGnZDmwm h6jXiQV7dC7DBtlGmfwNEHe1PGe+AabvPVH+5zszpTlv+h71y/B5AaG3ChalIBP7EtFyxK j0RsFTEFjuQKA060wQ5h0TiBcmIYFmn+1SrQyX59JXaN/iCWrVGeV0dNdv0+lQqT6E5PvH 1MVoMdr5lEK59FFCpm1QmdUvYOIr+J9faQ78jkmF8Ozuc4FkFOujo+aN1st4eh0ErRTMtC QoSA11k2vcxsVeB4+ZPtTLWI4kfIyHYM08CpXgmz/cRSsYqW5uaandpJpQuOHg== Message-ID: <94e3984d-9bda-4fd5-aad6-61157c23657d@mailbox.org> Date: Fri, 17 Oct 2025 17:37:15 +0200 MIME-Version: 1.0 Subject: Re: [PATCH 29/39] dt-bindings: display: bridge: Document Freescale i.MX95 MIPI DSI To: Frank Li Cc: dri-devel@lists.freedesktop.org, Abel Vesa , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Laurent Pinchart , Liu Ying , Lucas Stach , Peng Fan , Pengutronix Kernel Team , Rob Herring , Shawn Guo , Thomas Zimmermann , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org References: <20251011170213.128907-1-marek.vasut@mailbox.org> <20251011170213.128907-30-marek.vasut@mailbox.org> Content-Language: en-US From: Marek Vasut In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-MBO-RS-ID: a5560825f52d16d9234 X-MBO-RS-META: pu6rccg5i194n7adfs18zjzuqp64mx16 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251017_095110_943263_2AE264FE X-CRM114-Status: GOOD ( 10.21 ) 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 On 10/13/25 9:13 PM, Frank Li wrote: > On Sat, Oct 11, 2025 at 06:51:44PM +0200, Marek Vasut wrote: >> Freescale i.MX95 SoC embeds a Synopsys Designware MIPI DSI host >> controller and a Synopsys Designware MIPI DPHY. Unlike the i.MX93 >> PHY, the i.MX95 PHY uses more syscon interfaces to configure the >> PHY. > > Any common driver for Synopsys Designware MIPI DSI, suppose many vendor > use this IP? Sure, the IP is common, the "glue logic" is SoC-specific. >> properties: >> compatible: >> - const: fsl,imx93-mipi-dsi >> + enum: >> + - fsl,imx93-mipi-dsi >> + - fsl,imx95-mipi-dsi >> >> clocks: >> items: >> @@ -46,13 +45,52 @@ properties: >> controller and MIPI DPHY PLL related configurations through PLL SoC >> interface. >> >> + fsl,disp-master-csr: >> + $ref: /schemas/types.yaml#/definitions/phandle >> + description: >> + i.MX95 Display Master CSR is a syscon which includes registers to >> + control DSI clock settings, clock gating, and pixel link select. > > why not go through standard phy interface? > >> + >> + fsl,disp-stream-csr: >> + $ref: /schemas/types.yaml#/definitions/phandle >> + description: >> + i.MX95 Display Stream CSR is a syscon which includes configuration >> + and status registers for the DSI host. > > why not go through standard phy interface? These are aux control signals , these registers are not PHY .