From patchwork Thu Sep 20 08:50:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianxin Pan X-Patchwork-Id: 972237 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=amlogic.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42G9S52h0Fz9sBq for ; Thu, 20 Sep 2018 18:51:01 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731689AbeITOdX (ORCPT ); Thu, 20 Sep 2018 10:33:23 -0400 Received: from mail-sh2.amlogic.com ([58.32.228.45]:47261 "EHLO mail-sh2.amlogic.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726028AbeITOdX (ORCPT ); Thu, 20 Sep 2018 10:33:23 -0400 Received: from localhost.localdomain (10.18.11.217) by mail-sh2.amlogic.com (10.18.11.6) with Microsoft SMTP Server id 15.0.1320.4; Thu, 20 Sep 2018 16:51:23 +0800 From: Jianxin Pan To: Boris Brezillon , CC: Jianxin Pan , David Woodhouse , Brian Norris , Marek Vasut , Richard Weinberger , Jerome Brunet , Neil Armstrong , Martin Blumenstingl , Carlo Caione , Kevin Hilman , Rob Herring , Yixun Lan , Jian Hu , Liang Yang , Hanjie Lin , Victor Wan , , , , Subject: [PATCH v4 0/2] mtd: rawnand: meson: add Amlogic NAND driver support Date: Thu, 20 Sep 2018 16:50:47 +0800 Message-ID: <1537433449-65213-1-git-send-email-jianxin.pan@amlogic.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-Originating-IP: [10.18.11.217] Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org These two patches try to add initial NAND driver support for Amlogic Meson SoCs, current it has been tested on GXL(p212) and AXG(s400) platform. Changes since v3 at [4]: - remove partition table and some used props from dt-bindings Changes since v2 at [3]: - remove some hardcode time value, like twb - use dev wait R/B instead of nand_soft_waitrdy - implement nfc ecc init by ecc helper - rework nfc buffer init to register the maximun buffer when several chips - free nfc buffer when error and cleanup - add variable to teack all the already assigned CS lines - fix mtd->name use the first cs line only - remove dt "nand-enable-scrambler" and use NAND_NEED_SCRAMBLING instead. - move setuping ECC fileds after the identification phase - use nand_scan() and attach_chip() - check one event to return IRQ_NONE - delete cast when of_device_get_match_data - use nand_controller_init() helper - remove nfc driver complains when calling devm_ioremap_resource - clear irqs before setting up irq handler Changes since v1 at [1]: - adopt property amlogic,nand-enable-scrambler - thanks Martin - drop nand pins in DT - convert clk access to emmc clkc model - fix regiser field definition alignment - drop nand-user-mode - parse cs id from DT - rework n2m, m2n function - explain why insert two "IDLE" command - implement exec_op() - drop meson_nfc_get_nand_chip_dts() - release resource once error occur in meson_nfc_nand_chips_init(), - call nand_cleanup(nand) once mtd_device_register fail Items not addressed ( or confirmed ) in this version: - convert to ECC conf helper() - convert to dma coherent API - how to construct mtd->name [1] https://lkml.kernel.org/r/20180613161314.14894-1-yixun.lan@amlogic.com [2] https://lkml.kernel.org/r/20180712211244.11428-1-yixun.lan@amlogic.com [3] https://lkml.kernel.org/r/20180719094612.5833-1-yixun.lan@amlogic.com [4] https://lkml.kernel.org/r/1536317831-58056-1-git-send-email-jianxin.pan@amlogic.com/ Liang Yang (2): dt-bindings: nand: meson: add Amlogic NAND controller driver mtd: rawnand: meson: add support for Amlogic NAND flash controller .../devicetree/bindings/mtd/amlogic,meson-nand.txt | 60 + drivers/mtd/nand/raw/Kconfig | 10 + drivers/mtd/nand/raw/Makefile | 1 + drivers/mtd/nand/raw/meson_nand.c | 1372 ++++++++++++++++++++ 4 files changed, 1443 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt create mode 100644 drivers/mtd/nand/raw/meson_nand.c