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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 594B2C43387 for ; Fri, 18 Jan 2019 15:00:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 33F8F20883 for ; Fri, 18 Jan 2019 15:00:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727806AbfARPAk (ORCPT ); Fri, 18 Jan 2019 10:00:40 -0500 Received: from mail.bootlin.com ([62.4.15.54]:49795 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727415AbfARPAi (ORCPT ); Fri, 18 Jan 2019 10:00:38 -0500 Received: by mail.bootlin.com (Postfix, from userid 110) id 92D5520BCD; Fri, 18 Jan 2019 16:00:36 +0100 (CET) Received: from localhost.localdomain (aaubervilliers-681-1-37-87.w90-88.abo.wanadoo.fr [90.88.156.87]) by mail.bootlin.com (Postfix) with ESMTPSA id F0CF72244C; Fri, 18 Jan 2019 15:57:44 +0100 (CET) From: Paul Kocialkowski To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Cc: Maxime Ripard , Chen-Yu Tsai , Thomas Petazzoni , Paul Kocialkowski Subject: [PATCH 2/2] ARM: dts: sun4i-a10: Add Video Engine and reserved memory nodes Date: Fri, 18 Jan 2019 15:57:30 +0100 Message-Id: <20190118145730.22227-2-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190118145730.22227-1-paul.kocialkowski@bootlin.com> References: <20190118145730.22227-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds nodes for the Video Engine and the associated reserved memory for the A10. Up to 96 MiB of memory are dedicated to the CMA pool. 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/sun4i-a10.dtsi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi index c3a74024ca0f..73c3ac42095f 100644 --- a/arch/arm/boot/dts/sun4i-a10.dtsi +++ b/arch/arm/boot/dts/sun4i-a10.dtsi @@ -189,6 +189,21 @@ interrupts = <3>; }; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + /* Address must be kept in the lower 256 MiBs of DRAM for VE. */ + default-pool { + compatible = "shared-dma-pool"; + size = <0x6000000>; + alloc-ranges = <0x4a000000 0x6000000>; + reusable; + linux,cma-default; + }; + }; + soc { compatible = "simple-bus"; #address-cells = <1>; @@ -412,6 +427,17 @@ }; }; + video-codec@1c0e000 { + compatible = "allwinner,sun4i-a10-video-engine"; + reg = <0x01c0e000 0x1000>; + clocks = <&ccu CLK_AHB_VE>, <&ccu CLK_VE>, + <&ccu CLK_DRAM_VE>; + clock-names = "ahb", "mod", "ram"; + resets = <&ccu RST_VE>; + interrupts = <53>; + allwinner,sram = <&ve_sram 1>; + }; + mmc0: mmc@1c0f000 { compatible = "allwinner,sun4i-a10-mmc"; reg = <0x01c0f000 0x1000>; -- 2.20.1