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 D627EC3271E for ; Mon, 8 Jul 2024 14:06:16 +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=DpLvLFOmuebq4eAQzi6UZWCrJk6ooXEmvnMCfh+SxGE=; b=kamcBebD0NgaPs27yivemXj1uM vJMbpqaJpvcg+a3hKGNgvlxf/7L7NWRjYeAGnvaEuGTeMLalIkEtr6F5gxzRkg7I3jtv+vV2iLBCI NAkjGIQ3cJY7JUbVkWHOJO/NBRD+mVuU/Syk3FcJYLIbLIOBoAa+RR42ZQRbEXu1E/Q39jCrCu9yI 8nni+rfIvHGuu83zeeSSG1I1ja35fXgYjJae8pEzBcDsiWgZGM+Yw8hR5kY+oZcLzzSjFrAnpdykA ngiWdKlGLCQzfqVDwW5WQVwcM6/PfHMMUipymcaMTru3pNJxGVhCYEyEZ4GBr0wtv+HRn5W5M26mO VyWxrB2A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sQp0E-000000040nD-1sSK; Mon, 08 Jul 2024 14:06:02 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sQozy-000000040if-3uHL for linux-arm-kernel@lists.infradead.org; Mon, 08 Jul 2024 14:05:48 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 255BECE09E5; Mon, 8 Jul 2024 14:05:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C31F0C116B1; Mon, 8 Jul 2024 14:05:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720447544; bh=+5sJowFNHh88AAVHAZnFlV/b5GRSrKkSUc0cro9yWbg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Jz0ItGeTm1B5gYEVArsTgaP8RK90PTBWcmNfOxb4r3YpNja1jF5puVPJnI53EEhqY v/FYgjRLevq0/2yN9k779/IuXPlpB/4fME+wWOPjv1MySFxum2kExcsJJkVPcXyt+z FIetRVE9w8HJ2OGuCnKlVcWiHpeIJj8F8QZiS2ndQnS6gR2CFwaLa8gXMRS+yopTgX F7afSzR/pPykOMztbzv6rWpl6YgfocZH68FpZUbXH4jHQxrFSu19SW4DONYUXgHtMX 8CoHHW27BkrG+crG4h4XqIP9XaackpmPyimhCFb8II5pw07FoWsqel0XNp84in32Rk L/jYzfs4abBrw== Message-ID: Date: Mon, 8 Jul 2024 16:05:35 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 03/10] dt-bindings: display: imx: Add i.MX8qxp Display Controller pixel engine To: Liu Ying , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, tglx@linutronix.de References: <20240705090932.1880496-1-victor.liu@nxp.com> <20240705090932.1880496-4-victor.liu@nxp.com> <35c70e6c-d4e1-45a0-8c8e-db530fd84aab@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240708_070547_377657_6DE9E88D X-CRM114-Status: GOOD ( 10.89 ) 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 08/07/2024 08:47, Liu Ying wrote: > On 07/07/2024, Krzysztof Kozlowski wrote: >> On 05/07/2024 11:09, Liu Ying wrote: >>> i.MX8qxp Display Controller pixel engine consists of all processing units >>> that operate in the AXI bus clock domain. Command sequencer and interrupt >>> controller of the Display Controller work with AXI bus clock, but they are >>> not in pixel engine. >>> >>> Signed-off-by: Liu Ying >>> --- >> >> >>> + >>> + extdst@56180a40 { >>> + compatible = "fsl,imx8qxp-dc-extdst"; >>> + reg = <0x56180a40 0x7>, <0x56186000 0x400>; >>> + reg-names = "pec", "cfg"; >>> + interrupt-parent = <&dc0_intc>; >>> + interrupts = <12>, <13>, <14>; >>> + interrupt-names = "shdload", "framecomplete", "seqcomplete"; >>> + fsl,dc-ed-id = <5>; >>> + }; >>> + >>> + fetchwarp@56180a60 { >>> + compatible = "fsl,imx8qxp-dc-fetchwarp"; >>> + reg = <0x56180a60 0x4>, <0x56186400 0x400>; >> >> Aha, one word for address range. > > Sorry, I don't get your idea here. How many words are in the first IO address range? One. That is not a separate device. > >> >> Sorry, these are not separate devices. > > Hmm, again, Maxime suggested to use separate devices. To some level you can create separate devices, but for one register? Best regards, Krzysztof