From mboxrd@z Thu Jan 1 00:00:00 1970 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 1C99FC433DF for ; Wed, 20 May 2020 00:23:38 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CB6DE20674 for ; Wed, 20 May 2020 00:23:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uxZgyd3N"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=crapouillou.net header.i=@crapouillou.net header.b="DeiYN9aU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB6DE20674 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=crapouillou.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=w/ENlZN+P/MfLnqrcLPYrCbCedu4a68KIPgm/ENzIEY=; b=uxZgyd3N4J782B GAsrcr6Djx1LGjB17OOX0p/HcqlTNFbg7Sjl8jDggGbQfETjc06zXVmOvRmaL5ax+vcgQoZe43O0i H9N9ljCrKGLMDGyVI9NdxiTnrlpqhzIx51i7EcxASWKtlXJoxhw2ZkUrxjE5lrda8PDM/5EAbq1+Q K0Jr3sPk8vCkEsNit/EXwJVexvTpFY2tZUIzolk/g/HmqnUx2lsWpj1+kFP+9sj0CFOiK3mZJiq6O l/Oy5/pPVb2MpWArw5kr8dEX6h6Qlou8Bs68v5LhW0T6xS78EpjKe3zQArJqYjvMCW4CuFjWQc5aV Jkv1osSdcQwN3gwEWTLQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jbCW9-0004AO-AY; Wed, 20 May 2020 00:23:29 +0000 Received: from outils.crapouillou.net ([89.234.176.41] helo=crapouillou.net) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jbCVy-0003wQ-5q for linux-mtd@lists.infradead.org; Wed, 20 May 2020 00:23:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1589934176; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DMwhxCTrOVmrSTXxb5KXzDhIxLNNT9TsjN6HRPoQ70k=; b=DeiYN9aUR/53mNrba2+DaSI2rGqVECDvpnlmtn13GZImNkkYwEahJYSzuRa5FLr6yCSB93 VHLCqro+WkV1FSRp4Zv3zJBaKGDLbZXNhEIHzTjy96NTWTBylWyyrff7kRDxtJIBg4PzRU diZF3HB9XvBU9PT000d0IK4gx02Gd3w= From: Paul Cercueil To: Rob Herring Subject: [PATCH v2 3/3] dt-bindings: mtd: Convert ingenic, jz4780-nand.txt to YAML Date: Wed, 20 May 2020 02:22:34 +0200 Message-Id: <20200520002234.418025-3-paul@crapouillou.net> In-Reply-To: <20200520002234.418025-1-paul@crapouillou.net> References: <20200520002234.418025-1-paul@crapouillou.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200519_172318_597842_C7F3D77A X-CRM114-Status: GOOD ( 13.80 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Boris Brezillon , linux-kernel@vger.kernel.org, Paul Cercueil , linux-gpio@vger.kernel.org, od@zcrc.me, linux-mtd@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Convert the ingenic,jz4780-nand.txt doc file to ingenic,nand.yaml. Signed-off-by: Paul Cercueil --- Notes: v2: - Don't include ingenic,nemc-client.yaml which is gone - Use 'partitions' property instead of '^partitions$' pattern .../bindings/mtd/ingenic,jz4780-nand.txt | 92 ------------ .../devicetree/bindings/mtd/ingenic,nand.yaml | 132 ++++++++++++++++++ 2 files changed, 132 insertions(+), 92 deletions(-) delete mode 100644 Documentation/devicetree/bindings/mtd/ingenic,jz4780-nand.txt create mode 100644 Documentation/devicetree/bindings/mtd/ingenic,nand.yaml diff --git a/Documentation/devicetree/bindings/mtd/ingenic,jz4780-nand.txt b/Documentation/devicetree/bindings/mtd/ingenic,jz4780-nand.txt deleted file mode 100644 index c02259353327..000000000000 --- a/Documentation/devicetree/bindings/mtd/ingenic,jz4780-nand.txt +++ /dev/null @@ -1,92 +0,0 @@ -* Ingenic JZ4780 NAND/ECC - -This file documents the device tree bindings for NAND flash devices on the -JZ4780. NAND devices are connected to the NEMC controller (described in -memory-controllers/ingenic,jz4780-nemc.txt), and thus NAND device nodes must -be children of the NEMC node. - -Required NAND controller device properties: -- compatible: Should be one of: - * ingenic,jz4740-nand - * ingenic,jz4725b-nand - * ingenic,jz4780-nand -- reg: For each bank with a NAND chip attached, should specify a bank number, - an offset of 0 and a size of 0x1000000 (i.e. the whole NEMC bank). - -Optional NAND controller device properties: -- ecc-engine: To make use of the hardware ECC controller, this - property must contain a phandle for the ECC controller node. The required - properties for this node are described below. If this is not specified, - software ECC will be used instead. - -Optional children nodes: -- Individual NAND chips are children of the NAND controller node. - -Required children node properties: -- reg: An integer ranging from 1 to 6 representing the CS line to use. - -Optional children node properties: -- nand-ecc-step-size: ECC block size in bytes. -- nand-ecc-strength: ECC strength (max number of correctable bits). -- nand-ecc-mode: String, operation mode of the NAND ecc mode. "hw" by default -- nand-on-flash-bbt: boolean to enable on flash bbt option, if not present false -- rb-gpios: GPIO specifier for the busy pin. -- wp-gpios: GPIO specifier for the write protect pin. - -Optional child node of NAND chip nodes: -- partitions: see Documentation/devicetree/bindings/mtd/partition.txt - -Example: - -nemc: nemc@13410000 { - ... - - nandc: nand-controller@1 { - compatible = "ingenic,jz4780-nand"; - reg = <1 0 0x1000000>; /* Bank 1 */ - - #address-cells = <1>; - #size-cells = <0>; - - ecc-engine = <&bch>; - - nand@1 { - reg = <1>; - - nand-ecc-step-size = <1024>; - nand-ecc-strength = <24>; - nand-ecc-mode = "hw"; - nand-on-flash-bbt; - - rb-gpios = <&gpa 20 GPIO_ACTIVE_LOW>; - wp-gpios = <&gpf 22 GPIO_ACTIVE_LOW>; - - partitions { - #address-cells = <2>; - #size-cells = <2>; - ... - } - }; - }; -}; - -The ECC controller is a separate SoC component used for error correction on -NAND devices. The following is a description of the device properties for a -ECC controller. - -Required ECC properties: -- compatible: Should be one of: - * ingenic,jz4740-ecc - * ingenic,jz4725b-bch - * ingenic,jz4780-bch -- reg: Should specify the ECC controller registers location and length. -- clocks: Clock for the ECC controller. - -Example: - -bch: bch@134d0000 { - compatible = "ingenic,jz4780-bch"; - reg = <0x134d0000 0x10000>; - - clocks = <&cgu JZ4780_CLK_BCH>; -}; diff --git a/Documentation/devicetree/bindings/mtd/ingenic,nand.yaml b/Documentation/devicetree/bindings/mtd/ingenic,nand.yaml new file mode 100644 index 000000000000..8abb6d463cb6 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/ingenic,nand.yaml @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/ingenic,nand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ingenic SoCs NAND controller devicetree bindings + +maintainers: + - Paul Cercueil + +allOf: + - $ref: nand-controller.yaml# + +properties: + compatible: + enum: + - ingenic,jz4740-nand + - ingenic,jz4725b-nand + - ingenic,jz4780-nand + + reg: + items: + - description: Bank number, offset and size of first attached NAND chip + - description: Bank number, offset and size of second attached NAND chip + - description: Bank number, offset and size of third attached NAND chip + - description: Bank number, offset and size of fourth attached NAND chip + minItems: 1 + + ecc-engine: true + + partitions: + type: object + description: + Node containing description of fixed partitions. + See Documentation/devicetree/bindings/mtd/partition.txt + +patternProperties: + "^nand@[a-f0-9]$": + type: object + properties: + rb-gpios: + description: GPIO specifier for the busy pin. + maxItems: 1 + + wp-gpios: + description: GPIO specifier for the write-protect pin. + maxItems: 1 + +required: + - compatible + - reg + +examples: + - | + #include + memory-controller@13410000 { + compatible = "ingenic,jz4780-nemc"; + reg = <0x13410000 0x10000>; + #address-cells = <2>; + #size-cells = <1>; + ranges = <1 0 0x1b000000 0x1000000>, + <2 0 0x1a000000 0x1000000>, + <3 0 0x19000000 0x1000000>, + <4 0 0x18000000 0x1000000>, + <5 0 0x17000000 0x1000000>, + <6 0 0x16000000 0x1000000>; + + clocks = <&cgu JZ4780_CLK_NEMC>; + + nand-controller@1 { + compatible = "ingenic,jz4780-nand"; + reg = <1 0 0x1000000>; + + #address-cells = <1>; + #size-cells = <0>; + + ecc-engine = <&bch>; + + ingenic,nemc-tAS = <10>; + ingenic,nemc-tAH = <5>; + ingenic,nemc-tBP = <10>; + ingenic,nemc-tAW = <15>; + ingenic,nemc-tSTRV = <100>; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_nemc>; + + nand@1 { + reg = <1>; + + nand-ecc-step-size = <1024>; + nand-ecc-strength = <24>; + nand-ecc-mode = "hw"; + nand-on-flash-bbt; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_nemc_cs1>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <2>; + #size-cells = <2>; + + partition@0 { + label = "u-boot-spl"; + reg = <0x0 0x0 0x0 0x800000>; + }; + + partition@800000 { + label = "u-boot"; + reg = <0x0 0x800000 0x0 0x200000>; + }; + + partition@a00000 { + label = "u-boot-env"; + reg = <0x0 0xa00000 0x0 0x200000>; + }; + + partition@c00000 { + label = "boot"; + reg = <0x0 0xc00000 0x0 0x4000000>; + }; + + partition@4c00000 { + label = "system"; + reg = <0x0 0x4c00000 0x1 0xfb400000>; + }; + }; + }; + }; + }; -- 2.26.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/