From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.bootlin.com ([62.4.15.54]:57897 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728926AbeGYLPm (ORCPT ); Wed, 25 Jul 2018 07:15:42 -0400 From: Paul Kocialkowski To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devel@driverdev.osuosl.org Cc: Mauro Carvalho Chehab , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Greg Kroah-Hartman , Paul Kocialkowski , Thomas Petazzoni , linux-sunxi@googlegroups.com, Hugues Fruchet , Randy Li , Hans Verkuil , Ezequiel Garcia , Tomasz Figa , Alexandre Courbot , Philipp Zabel , Laurent Pinchart , Sakari Ailus Subject: [PATCH v6 7/8] ARM: dts: sun8i-a33: Add Video Engine and reserved memory nodes Date: Wed, 25 Jul 2018 12:02:55 +0200 Message-Id: <20180725100256.22833-8-paul.kocialkowski@bootlin.com> In-Reply-To: <20180725100256.22833-1-paul.kocialkowski@bootlin.com> References: <20180725100256.22833-1-paul.kocialkowski@bootlin.com> Sender: linux-media-owner@vger.kernel.org List-ID: This adds nodes for the Video Engine and the associated reserved memory for the A33. 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/sun8i-a33.dtsi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi index 8d278ee001e9..a212fbee14bc 100644 --- a/arch/arm/boot/dts/sun8i-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a33.dtsi @@ -181,6 +181,21 @@ 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. */ + cma_pool: cma@4a000000 { + compatible = "shared-dma-pool"; + size = <0x6000000>; + alloc-ranges = <0x4a000000 0x6000000>; + reusable; + linux,cma-default; + }; + }; + sound: sound { compatible = "simple-audio-card"; simple-audio-card,name = "sun8i-a33-audio"; @@ -245,6 +260,17 @@ }; }; + video-codec@01c0e000 { + compatible = "allwinner,sun8i-a33-video-engine"; + reg = <0x01c0e000 0x1000>; + clocks = <&ccu CLK_BUS_VE>, <&ccu CLK_VE>, + <&ccu CLK_DRAM_VE>; + clock-names = "ahb", "mod", "ram"; + resets = <&ccu RST_BUS_VE>; + interrupts = ; + allwinner,sram = <&ve_sram 1>; + }; + crypto: crypto-engine@1c15000 { compatible = "allwinner,sun4i-a10-crypto"; reg = <0x01c15000 0x1000>; -- 2.18.0