From patchwork Thu Apr 19 15:45:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 10351115 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9965C602B7 for ; Thu, 19 Apr 2018 15:49:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 88C3B2893E for ; Thu, 19 Apr 2018 15:49:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7D2012894F; Thu, 19 Apr 2018 15:49:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EAFFE2893E for ; Thu, 19 Apr 2018 15:49:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=ClasK/un9kpRZy/vQyVIJxpXxQdKKLj+0AQfT4CPdRA=; b=vBjs1BprfrJ3F82vy7hPGiRsSY J/uFMn7G9U2cxmg127Rz8Oat+/ByylgKWE26o73MDsTjXoHnxZ7as81pvz09SePQsAIBcN/Au3uib KRrboxc+W+U2erEGmYoKrdDbOAy3NX3ESUZYuTcCAVJ+RmEaM42sLi8CtLG1rkwOAAWDezb2LmRHj UsfCzBr8RBphKcdqd/W+BqfnRzCnmarc68P6E1FNR0qlKA4b4T9rUYwbZaQUunamh7daI3qlz1GSh O2vNjTGhHyla0bgL9CyBIBd5hSjMLKscyVLpbKrQfzoSbPupitsZEASb6zQ5x6rFQ6nU3lFxV9+zK dm08dzCQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1f9Bnr-0000po-Bj; Thu, 19 Apr 2018 15:48:55 +0000 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1f9Bm6-0008TH-TV for linux-arm-kernel@lists.infradead.org; Thu, 19 Apr 2018 15:47:18 +0000 Received: by mail.bootlin.com (Postfix, from userid 110) id 07E95208A8; Thu, 19 Apr 2018 17:46:57 +0200 (CEST) Received: from localhost.localdomain (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.bootlin.com (Postfix) with ESMTPSA id 8E4AF20146; Thu, 19 Apr 2018 17:46:56 +0200 (CEST) From: Paul Kocialkowski To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH v2 09/10] ARM: dts: sun7i-a20: Add Video Engine and reserved memory nodes Date: Thu, 19 Apr 2018 17:45:35 +0200 Message-Id: <20180419154536.17846-5-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.16.3 In-Reply-To: <20180419154124.17512-1-paul.kocialkowski@bootlin.com> References: <20180419154124.17512-1-paul.kocialkowski@bootlin.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180419_084707_129100_B1959371 X-CRM114-Status: GOOD ( 14.81 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Philipp Zabel , Pawel Osciak , Maxime Ripard , Kyungmin Park , Tomasz Figa , Paul Kocialkowski , Chen-Yu Tsai , Rob Herring , Hans Verkuil , Alexandre Courbot , Sakari Ailus , Mauro Carvalho Chehab , Arnd Bergmann , Marek Szyprowski MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This adds nodes for the Video Engine and the associated reserved memory for the Allwinner A20. Up to 96 MiB of memory are dedicated to the VPU. The VPU can only map the first 256 MiB of DRAM, so the reserved memory pool has to be located in that area. Following Allwinner's decision in downstream software, the last 96 MiB of the first 256 MiB of RAM are reserved for this purpose. Signed-off-by: Paul Kocialkowski --- arch/arm/boot/dts/sun7i-a20.dtsi | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi index bd0cd3204273..cb6d82065dcf 100644 --- a/arch/arm/boot/dts/sun7i-a20.dtsi +++ b/arch/arm/boot/dts/sun7i-a20.dtsi @@ -163,6 +163,20 @@ reg = <0x40000000 0x80000000>; }; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + /* Address must be kept in the lower 256 MiBs of DRAM for VE. */ + ve_memory: cma@4a000000 { + compatible = "shared-dma-pool"; + reg = <0x4a000000 0x6000000>; + no-map; + linux,cma-default; + }; + }; + timer { compatible = "arm,armv7-timer"; interrupts = , @@ -451,6 +465,23 @@ }; }; + ve: video-engine@1c0e000 { + compatible = "allwinner,sun4i-a10-video-engine"; + reg = <0x01c0e000 0x1000>; + memory-region = <&ve_memory>; + + clocks = <&ccu CLK_AHB_VE>, <&ccu CLK_VE>, + <&ccu CLK_DRAM_VE>; + clock-names = "ahb", "mod", "ram"; + + assigned-clocks = <&ccu CLK_VE>; + assigned-clock-rates = <320000000>; + + resets = <&ccu RST_VE>; + + interrupts = ; + }; + mmc0: mmc@1c0f000 { compatible = "allwinner,sun7i-a20-mmc"; reg = <0x01c0f000 0x1000>;