From patchwork Fri Apr 17 08:21:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ramuthevar, Vadivel MuruganX" X-Patchwork-Id: 201887 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CA71C2BB85 for ; Fri, 17 Apr 2020 08:23:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 66373221E9 for ; Fri, 17 Apr 2020 08:23:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729638AbgDQIXG (ORCPT ); Fri, 17 Apr 2020 04:23:06 -0400 Received: from mga01.intel.com ([192.55.52.88]:62216 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729176AbgDQIXG (ORCPT ); Fri, 17 Apr 2020 04:23:06 -0400 IronPort-SDR: 01Sya9bg7UYTJdBvm3kTd579S1Osp92pfljBNcu5u0adGqAvZckUrweCkLa5xRamTcxNTRFyXn eFKExCsNU3XQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Apr 2020 01:23:06 -0700 IronPort-SDR: oAqIaDm9qhb5Su1LLPerg1oTUd1hRwUw4hTwKgqEiHDu5jiY8UXJQaQgXa/Na8ikJlBlv0rtsc RCIl/egDXZwA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,394,1580803200"; d="scan'208";a="428156049" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by orsmga005.jf.intel.com with ESMTP; 17 Apr 2020 01:23:01 -0700 From: "Ramuthevar,Vadivel MuruganX" To: linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, devicetree@vger.kernel.org Cc: miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, arnd@arndb.de, brendanhiggins@google.com, tglx@linutronix.de, boris.brezillon@collabora.com, anders.roxell@linaro.org, masonccyang@mxic.com.tw, piotrs@cadence.com, robh+dt@kernel.org, linux-mips@vger.kernel.org, hauke.mehrtens@intel.com, andriy.shevchenko@intel.com, qi-ming.wu@intel.com, cheol.yong.kim@intel.com, "Ramuthevar,Vadivel MuruganX" Subject: [PATCH v2 0/2] mtd: rawnand: Add NAND controller support on Intel LGM SoC Date: Fri, 17 Apr 2020 16:21:45 +0800 Message-Id: <20200417082147.43384-1-vadivel.muruganx.ramuthevar@linux.intel.com> X-Mailer: git-send-email 2.11.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch adds the new IP of Nand Flash Controller(NFC) support on Intel's Lightning Mountain(LGM) SoC. DMA is used for burst data transfer operation, also DMA HW supports aligned 32bit memory address and aligned data access by default. DMA burst of 8 supported. Data register used to support the read/write operation from/to device. NAND controller also supports in-built HW ECC engine. NAND controller driver implements ->exec_op() to replace legacy hooks, these specific call-back method to execute NAND operations. Thank you very much Boris, Martin and Andy for the suggestions and inputs. --- v2: - implement the ->exec_op() to replaces the legacy hook-up. - update the commit message - YAML compatible string update to intel, lgm-nand-controller - add MIPS maintainers and xway_nand driver author in CC v1: - initial version Ramuthevar Vadivel Murugan (2): dt-bindings: mtd: Add YAML for Nand Flash Controller support mtd: rawnand: Add NAND controller support on Intel LGM SoC .../devicetree/bindings/mtd/intel,lgm-nand.yaml | 61 ++ drivers/mtd/nand/raw/Kconfig | 7 + drivers/mtd/nand/raw/Makefile | 1 + drivers/mtd/nand/raw/intel_lgm_nand.c | 740 +++++++++++++++++++++ 4 files changed, 809 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml create mode 100644 drivers/mtd/nand/raw/intel_lgm_nand.c