Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753223AbdHJU16 (ORCPT ); Thu, 10 Aug 2017 16:27:58 -0400 Received: from mail-yw0-f195.google.com ([209.85.161.195]:36311 "EHLO mail-yw0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752840AbdHJU15 (ORCPT ); Thu, 10 Aug 2017 16:27:57 -0400 Date: Thu, 10 Aug 2017 15:27:54 -0500 From: Rob Herring To: Abhishek Sahu Cc: dwmw2@infradead.org, boris.brezillon@free-electrons.com, computersforpeace@gmail.com, marek.vasut@gmail.com, mark.rutland@arm.com, richard@nod.at, cyrille.pitchen@wedev4u.fr, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, andy.gross@linaro.org, architt@codeaurora.org, sricharan@codeaurora.org Subject: Re: [PATCH v3 17/20] dt-bindings: qcom_nandc: IPQ4019 QPIC NAND documentation Message-ID: <20170810202754.jufcee4si6ujmqia@rob-hp-laptop> References: <1501949998-29859-1-git-send-email-absahu@codeaurora.org> <1501949998-29859-18-git-send-email-absahu@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1501949998-29859-18-git-send-email-absahu@codeaurora.org> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 652 Lines: 15 On Sat, Aug 05, 2017 at 09:49:55PM +0530, Abhishek Sahu wrote: > 1. Qualcom IPQ4019 SoC uses QPIC NAND controller version 1.4.0 > which uses BAM DMA Engine while IPQ806x uses EBI2 NAND > which uses ADM DMA Engine. > 2. QPIC NAND will 3 BAM channels: command, data tx and data rx > while EBI2 NAND uses only single ADM channel. > 3. CRCI is only required for ADM DMA and its not required for > BAM DMA. > > Signed-off-by: Abhishek Sahu > --- > .../devicetree/bindings/mtd/qcom_nandc.txt | 55 +++++++++++++++++++++- > 1 file changed, 54 insertions(+), 1 deletion(-) Acked-by: Rob Herring