From patchwork Thu May 3 12:20:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abhishek Sahu X-Patchwork-Id: 10378085 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 82F3C60353 for ; Thu, 3 May 2018 12:25:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 716AF2018E for ; Thu, 3 May 2018 12:25:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 66064281F9; Thu, 3 May 2018 12:25:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4E97A2018E for ; Thu, 3 May 2018 12:25:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751987AbeECMZL (ORCPT ); Thu, 3 May 2018 08:25:11 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:41408 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751896AbeECMVJ (ORCPT ); Thu, 3 May 2018 08:21:09 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 7D641607E4; Thu, 3 May 2018 12:21:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1525350068; bh=Te26cEgYn2AdQGiHAG57aXZmXkqfUhGmwroqtIfqd58=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BYgO2aJHlSqzFVgWh7fa0lQGeFySf9fU4kuY7sx4c9tA1YvbVdk4h8EMibQ4SXIDP y5X3X7DKPLVvFFkEiuMvQW5gBroGG2KG1PzoUlhG4ugSALElIOLkxHUBWFoT8SgGt8 8V0BGgi6lHPnPGZ+b29usVzMKXJw4ClxPqWEwWGk= Received: from absahu-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: absahu@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 3B20E607CF; Thu, 3 May 2018 12:21:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1525350067; bh=Te26cEgYn2AdQGiHAG57aXZmXkqfUhGmwroqtIfqd58=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oyIP79V+GHrtayQDBhyZZ9sKh4mEVQqJl2U0qJDbcyIywZSMMQnGahMGmpiD3p8Ny DDYRe5UCAIar3Z469GxvVbQrA7Buaz6858zQpWkNiGZ69QP1kqLO7OddpnovqAqm8t 1sjU2NU/W5wwabYXS0BmYAzKFXyl4yxs8YoHMSUg= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 3B20E607CF Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=absahu@codeaurora.org From: Abhishek Sahu To: Boris Brezillon Cc: David Woodhouse , Brian Norris , Marek Vasut , Richard Weinberger , Miquel Raynal , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Andy Gross , Archit Taneja , Abhishek Sahu , Rob Herring , Mark Rutland , devicetree@vger.kernel.org Subject: [PATCH v2 03/14] dt-bindings: qcom_nandc: make nand-ecc-strength optional Date: Thu, 3 May 2018 17:50:30 +0530 Message-Id: <1525350041-22995-4-git-send-email-absahu@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1525350041-22995-1-git-send-email-absahu@codeaurora.org> References: <1525350041-22995-1-git-send-email-absahu@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Now, nand-ecc-strength is optional. If specified in DT, then controller will use this ECC strength otherwise ECC strength will be calculated according to chip requirement and available OOB size. Signed-off-by: Abhishek Sahu --- * Changes from v1: NEW PATCH Documentation/devicetree/bindings/mtd/qcom_nandc.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt index 73d336be..f246aa0 100644 --- a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt +++ b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt @@ -45,11 +45,13 @@ Required properties: number (e.g., 0, 1, 2, etc.) - #address-cells: see partition.txt - #size-cells: see partition.txt -- nand-ecc-strength: see nand.txt - nand-ecc-step-size: must be 512. see nand.txt for more details. Optional properties: - nand-bus-width: see nand.txt +- nand-ecc-strength: see nand.txt. If not specified, then ECC strength will + be used according to chip requirement and available + OOB size. Each nandcs device node may optionally contain a 'partitions' sub-node, which further contains sub-nodes describing the flash partition mapping. See