From patchwork Thu Mar 7 16:58:24 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jernej_=C5=A0krabec?= X-Patchwork-Id: 1053073 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=siol.net Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44FcRQ50cSz9ryj for ; Fri, 8 Mar 2019 04:04:02 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726278AbfCGREA (ORCPT ); Thu, 7 Mar 2019 12:04:00 -0500 Received: from mailoutvs53.siol.net ([185.57.226.244]:47674 "EHLO mail.siol.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726200AbfCGREA (ORCPT ); Thu, 7 Mar 2019 12:04:00 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Zimbra) with ESMTP id 3F4845237BE; Thu, 7 Mar 2019 17:58:40 +0100 (CET) X-Virus-Scanned: amavisd-new at psrvmta12.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta12.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id Jev7DHsK1iut; Thu, 7 Mar 2019 17:58:39 +0100 (CET) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Zimbra) with ESMTPS id E24175237CE; Thu, 7 Mar 2019 17:58:39 +0100 (CET) Received: from localhost.localdomain (cpe-86-58-52-202.static.triera.net [86.58.52.202]) (Authenticated sender: 031275009) by mail.siol.net (Zimbra) with ESMTPSA id 0FB805237BE; Thu, 7 Mar 2019 17:58:36 +0100 (CET) From: Jernej Skrabec To: maxime.ripard@bootlin.com, wens@csie.org Cc: vkoul@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, dan.j.williams@intel.com, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, jernej.skrabec@siol.net Subject: [PATCH 1/6] dt-bindings: arm64: allwinner: h6: Add binding for DMA controller Date: Thu, 7 Mar 2019 17:58:24 +0100 Message-Id: <20190307165829.9086-2-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190307165829.9086-1-jernej.skrabec@siol.net> References: <20190307165829.9086-1-jernej.skrabec@siol.net> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org DMA in H6 is similar to other DMA controller, except it is first which supports more than 32 request sources and has 16 channels. It also needs additional clock to be enabled. Signed-off-by: Jernej Skrabec Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/dma/sun6i-dma.txt | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/dma/sun6i-dma.txt b/Documentation/devicetree/bindings/dma/sun6i-dma.txt index 7fccc20d8331..cae31f4e77ba 100644 --- a/Documentation/devicetree/bindings/dma/sun6i-dma.txt +++ b/Documentation/devicetree/bindings/dma/sun6i-dma.txt @@ -28,12 +28,17 @@ Example: }; ------------------------------------------------------------------------------ -For A64 DMA controller: +For A64 and H6 DMA controller: Required properties: -- compatible: "allwinner,sun50i-a64-dma" +- compatible: Must be one of + "allwinner,sun50i-a64-dma" + "allwinner,sun50i-h6-dma" - dma-channels: Number of DMA channels supported by the controller. Refer to Documentation/devicetree/bindings/dma/dma.txt +- clocks: In addition to parent AHB clock, it should also contain mbus + clock (H6 only) +- clock-names: Should contain "bus" and "mbus" (H6 only) - all properties above, i.e. reg, interrupts, clocks, resets and #dma-cells Optional properties: