From patchwork Mon Apr 4 04:01:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuanhong Guo X-Patchwork-Id: 1612844 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=PpAMX76Z; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4KWxtf1lPnz9sGf for ; Mon, 4 Apr 2022 14:02:18 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232078AbiDDEEH (ORCPT ); Mon, 4 Apr 2022 00:04:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231343AbiDDEEG (ORCPT ); Mon, 4 Apr 2022 00:04:06 -0400 Received: from mail-pf1-x433.google.com (mail-pf1-x433.google.com [IPv6:2607:f8b0:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DDEAA393FC; Sun, 3 Apr 2022 21:02:08 -0700 (PDT) Received: by mail-pf1-x433.google.com with SMTP id s8so7763394pfk.12; Sun, 03 Apr 2022 21:02:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=gApwyK6UJMIHFi8j3HHI6lVYvVDscNhbn/b45ZD8vYw=; b=PpAMX76Z/yH5s5E86XWDfdb0tshq5E8aUG6vKlOuwz+RxiadMZC6gwVk8hp/IvSKdy pWDbVcIvhaAzCuy6MyDBJG2dxgKFmd2PUF157wQmlFwd1dygPQr7kpgfjuJPSZpZeV8W KJ8XB6IA9wYH8pFUDUrggUJW7xHL4Z3Jfto/zT/xPYv3oFpJgBXB6AOYoiNplFnNBxhi QjnpR9G8KK2BCcUi5zT0OooJ64wrDp1LHF79wrS/9T9wiMGZ5Lrpbk8fcfgAtt+rvBGB f/JIRwKjXsgZbcHHbbAEl/MMqr5KGQN35kxhWJzqNfO2wjz9Wqyu3wTfB+BG6AbwBbg9 CU7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=gApwyK6UJMIHFi8j3HHI6lVYvVDscNhbn/b45ZD8vYw=; b=YtwCYkmCJjnhBamtZ+HjiXz6yVUc3JrjGDJ6kSRaH4zBKfH70a4NgOYbkhC+uUltMW wAYsFRmGCGfEFSi26dgmIcFNU5Cjybf2b3MSkJAc2+QcWuqVA8t69Z4YJ9sF7viD2s4c 0UFogWRbhMvYCdYpbMS8WvLXMz1WaXXoW5EJwSmG2nmZlD0gsE38D5v49tXpM0dGkQOh 86DjsKJhsj3bfNmVSrFBGwGdtk/M+2te8dZ++CsxDNO0QobHWJSToh7ClWGVtCytGzJX YDNafHx9iyc9NWMkQdgK+AXchJDF/TwgNuAe0ZGRoBia4yiefoxFlviyF0262WcznLEU ilqA== X-Gm-Message-State: AOAM530/4kzd+gh/+4M5wjfg4gDmNBqzqvjZVk96zvwMT21dKE65Bed7 FT9IQNGfJkNwc9JmzEvRfbKwryZ7SjtVrmUfpZLhIw== X-Google-Smtp-Source: ABdhPJzYjDiKmixeywLrVGsyvmxU0FRdWO7nMbcfY2jZXT0DudGOSkM6UFaGrSEgSvmTt6mXFmBOzQ== X-Received: by 2002:aa7:88c2:0:b0:4fa:ba98:4f6f with SMTP id k2-20020aa788c2000000b004faba984f6fmr22013214pff.41.1649044928130; Sun, 03 Apr 2022 21:02:08 -0700 (PDT) Received: from guoguo-omen.lan ([2401:c080:1400:4da2:b701:47d5:9291:4cf9]) by smtp.gmail.com with ESMTPSA id j70-20020a638b49000000b003985b5ddaa1sm8756191pge.49.2022.04.03.21.02.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Apr 2022 21:02:07 -0700 (PDT) From: Chuanhong Guo To: linux-spi@vger.kernel.org Cc: Chuanhong Guo , Mark Brown , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Roger Quadros , Thomas Bogendoerfer , Cai Huoqing , Florian Fainelli , Colin Ian King , Wolfram Sang , Paul Cercueil , Pratyush Yadav , Yu Kuai , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Mediatek SoC support), linux-mediatek@lists.infradead.org (moderated list:ARM/Mediatek SoC support), linux-kernel@vger.kernel.org (open list), linux-mtd@lists.infradead.org (open list:NAND FLASH SUBSYSTEM) Subject: [PATCH v2 0/5] spi: add support for Mediatek SPI-NAND controller Date: Mon, 4 Apr 2022 12:01:48 +0800 Message-Id: <20220404040153.1509966-1-gch981213@gmail.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Mediatek has an extended version of their NAND Flash Interface which has a SPI-NAND mode. In this mode, the controller can perform 1-bit spi-mem ops for up-to 0xa0 bytes and typical SPI-NAND single, dual and quad IO page cache ops with 2-byte address. Additionally, the page cache ops can be performed with ECC and auto data formatting using the ECC engine of the controller. This patchset implements support of this mode as a separated SPI-MEM driver with piplined ECC engine. Changes since v1: add a blank line between properties in dt binding doc rename ecc-engine to nand-ecc-engine for the generic properties fix warnings/errors from the CI Chuanhong Guo (5): mtd: nand: make mtk_ecc.c a separated module spi: add driver for MTK SPI NAND Flash Interface mtd: nand: mtk-ecc: also parse nand-ecc-engine if available dt-bindings: spi: add binding doc for spi-mtk-snfi arm64: dts: mediatek: add mtk-snfi for mt7622 .../bindings/spi/mediatek,spi-mtk-snfi.yaml | 88 ++ arch/arm64/boot/dts/mediatek/mt7622.dtsi | 12 + drivers/mtd/nand/Kconfig | 7 + drivers/mtd/nand/Makefile | 1 + drivers/mtd/nand/{raw/mtk_ecc.c => ecc-mtk.c} | 8 +- drivers/mtd/nand/raw/Kconfig | 1 + drivers/mtd/nand/raw/Makefile | 2 +- drivers/mtd/nand/raw/mtk_nand.c | 2 +- drivers/spi/Kconfig | 10 + drivers/spi/Makefile | 1 + drivers/spi/spi-mtk-snfi.c | 1351 +++++++++++++++++ .../linux/mtd/nand-ecc-mtk.h | 0 12 files changed, 1478 insertions(+), 5 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml rename drivers/mtd/nand/{raw/mtk_ecc.c => ecc-mtk.c} (98%) create mode 100644 drivers/spi/spi-mtk-snfi.c rename drivers/mtd/nand/raw/mtk_ecc.h => include/linux/mtd/nand-ecc-mtk.h (100%)