Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751721AbdH3Xg0 (ORCPT ); Wed, 30 Aug 2017 19:36:26 -0400 Received: from mail-out-1.itc.rwth-aachen.de ([134.130.5.46]:54715 "EHLO mail-out-1.itc.rwth-aachen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751516AbdH3XgU (ORCPT ); Wed, 30 Aug 2017 19:36:20 -0400 X-IronPort-AV: E=Sophos;i="5.41,450,1498514400"; d="scan'208";a="11027213" From: =?UTF-8?q?Stefan=20Br=C3=BCns?= To: CC: , , Vinod Koul , , , Maxime Ripard , Chen-Yu Tsai , Rob Herring Subject: [PATCH 2/3] arm64: allwinner: a64: Add device node for DMA controller Date: Thu, 31 Aug 2017 01:36:08 +0200 Message-ID: <20170830233609.13855-3-stefan.bruens@rwth-aachen.de> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20170830233609.13855-1-stefan.bruens@rwth-aachen.de> References: <20170830233609.13855-1-stefan.bruens@rwth-aachen.de> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [77.182.248.91] X-ClientProxiedBy: rwthex-w2-a.rwth-ad.de (2002:8682:1a9e::8682:1a9e) To rwthex-w2-b.rwth-ad.de (2002:8682:1a9f::8682:1a9f) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1667 Lines: 45 The A64 SoC has a DMA controller that supports 8 DMA channels to and from various peripherals. Add a device node for it. Signed-off-by: Stefan Brüns --- Documentation/devicetree/bindings/dma/sun6i-dma.txt | 1 + arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/sun6i-dma.txt b/Documentation/devicetree/bindings/dma/sun6i-dma.txt index 6b267045f522..4398b990250c 100644 --- a/Documentation/devicetree/bindings/dma/sun6i-dma.txt +++ b/Documentation/devicetree/bindings/dma/sun6i-dma.txt @@ -9,6 +9,7 @@ Required properties: "allwinner,sun8i-a23-dma" "allwinner,sun8i-a83t-dma" "allwinner,sun8i-h3-dma" + "allwinner,sun50i-a64-dma" - reg: Should contain the registers base address and length - interrupts: Should contain a reference to the interrupt used by this device - clocks: Should contain a reference to the parent AHB clock diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 7be9eb2ad83c..f96287d3043a 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -136,6 +136,15 @@ reg = <0x01c00000 0x1000>; }; + dma: dma-controller@01c02000 { + compatible = "allwinner,sun50i-a64-dma"; + reg = <0x01c02000 0x1000>; + interrupts = ; + clocks = <&ccu CLK_BUS_DMA>; + resets = <&ccu RST_BUS_DMA>; + #dma-cells = <1>; + }; + mmc0: mmc@1c0f000 { compatible = "allwinner,sun50i-a64-mmc"; reg = <0x01c0f000 0x1000>; -- 2.14.1