From patchwork Tue Apr 21 14:09:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11501547 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D87AF1575 for ; Tue, 21 Apr 2020 14:18:17 +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 B4E0B2071C for ; Tue, 21 Apr 2020 14:18:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="PGtsDEqp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B4E0B2071C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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:In-Reply-To: References:List-Owner; bh=pzCBSnPwEJBbqFnHProgqgNzpAYRJhisAKZqVav3sVI=; b=PGt sDEqpfulPi+OzFPJ+hnclum+BDAGddr2Jc84fbBE6FcHa2VvM0vsciZ0wI9+v3T+kC9Ewou14Fl6X sl0Xj2UukBe1ZBBv8NcDAxGDhH54Eyun96vgMTtzeNni9xW/NUPntMmeG5EtnXqKo9O5CfqNNvJ0K AkpMoBxbB7uCbevQ3cP0xbpRzDxDLGccEZNhGiim+a66SrLuCkdg39zYqgEZoh7lNDgJcvoOAWGhd bgSk9bCZnaWMkDMn/ojO9HBsoEMsuz6a2UkKKantX2K4mxWsbJt3PY7laNvFKoh1Kl/c5Giy6gAve cUsh2J2ZCEr2LmF1b3Fwu084QUVn+XQ==; 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 1jQtj2-0000Qy-48; Tue, 21 Apr 2020 14:18:12 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jQtiy-0000PR-Ui for linux-arm-kernel@lists.infradead.org; Tue, 21 Apr 2020 14:18:10 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id A56891A0D8D; Tue, 21 Apr 2020 16:18:07 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 3FD771A0D96; Tue, 21 Apr 2020 16:18:03 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id DAF40402D9; Tue, 21 Apr 2020 22:17:57 +0800 (SGT) From: Anson Huang To: srinivas.kandagatla@linaro.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 1/3] dt-bindings: nvmem: Convert i.MX OCOTP to json-schema Date: Tue, 21 Apr 2020 22:09:39 +0800 Message-Id: <1587478181-21226-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200421_071809_265494_7EEC62AE X-CRM114-Status: GOOD ( 10.37 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [92.121.34.13 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux-imx@nxp.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Convert the i.MX OCOTP binding to DT schema format using json-schema. Signed-off-by: Anson Huang --- Changes since V1: - improve compatible; - drop clocks description. --- .../devicetree/bindings/nvmem/imx-ocotp.txt | 50 ------------ .../devicetree/bindings/nvmem/imx-ocotp.yaml | 95 ++++++++++++++++++++++ 2 files changed, 95 insertions(+), 50 deletions(-) delete mode 100644 Documentation/devicetree/bindings/nvmem/imx-ocotp.txt create mode 100644 Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml diff --git a/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt b/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt deleted file mode 100644 index 6e346d5..0000000 --- a/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt +++ /dev/null @@ -1,50 +0,0 @@ -Freescale i.MX6 On-Chip OTP Controller (OCOTP) device tree bindings - -This binding represents the on-chip eFuse OTP controller found on -i.MX6Q/D, i.MX6DL/S, i.MX6SL, i.MX6SX, i.MX6UL, i.MX6ULL/ULZ, i.MX6SLL, -i.MX7D/S, i.MX7ULP, i.MX8MQ, i.MX8MM, i.MX8MN and i.MX8MP SoCs. - -Required properties: -- compatible: should be one of - "fsl,imx6q-ocotp" (i.MX6Q/D/DL/S), - "fsl,imx6sl-ocotp" (i.MX6SL), or - "fsl,imx6sx-ocotp" (i.MX6SX), - "fsl,imx6ul-ocotp" (i.MX6UL), - "fsl,imx6ull-ocotp" (i.MX6ULL/ULZ), - "fsl,imx7d-ocotp" (i.MX7D/S), - "fsl,imx6sll-ocotp" (i.MX6SLL), - "fsl,imx7ulp-ocotp" (i.MX7ULP), - "fsl,imx8mq-ocotp" (i.MX8MQ), - "fsl,imx8mm-ocotp" (i.MX8MM), - "fsl,imx8mn-ocotp" (i.MX8MN), - "fsl,imx8mp-ocotp" (i.MX8MP), - followed by "syscon". -- #address-cells : Should be 1 -- #size-cells : Should be 1 -- reg: Should contain the register base and length. -- clocks: Should contain a phandle pointing to the gated peripheral clock. - -Optional properties: -- read-only: disable write access - -Optional Child nodes: - -- Data cells of ocotp: - Detailed bindings are described in bindings/nvmem/nvmem.txt - -Example: - ocotp: ocotp@21bc000 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "fsl,imx6sx-ocotp", "syscon"; - reg = <0x021bc000 0x4000>; - clocks = <&clks IMX6SX_CLK_OCOTP>; - - tempmon_calib: calib@38 { - reg = <0x38 4>; - }; - - tempmon_temp_grade: temp-grade@20 { - reg = <0x20 4>; - }; - }; diff --git a/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml b/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml new file mode 100644 index 0000000..fe9c7df --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/nvmem/imx-ocotp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX6 On-Chip OTP Controller (OCOTP) device tree bindings + +maintainers: + - Anson Huang + +description: | + This binding represents the on-chip eFuse OTP controller found on + i.MX6Q/D, i.MX6DL/S, i.MX6SL, i.MX6SX, i.MX6UL, i.MX6ULL/ULZ, i.MX6SLL, + i.MX7D/S, i.MX7ULP, i.MX8MQ, i.MX8MM, i.MX8MN and i.MX8MP SoCs. + +allOf: + - $ref: "nvmem.yaml#" + +properties: + compatible: + items: + - enum: + - fsl,imx6q-ocotp + - fsl,imx6sl-ocotp + - fsl,imx6sx-ocotp + - fsl,imx6ul-ocotp + - fsl,imx6ull-ocotp + - fsl,imx7d-ocotp + - fsl,imx6sll-ocotp + - fsl,imx7ulp-ocotp + - fsl,imx8mq-ocotp + - fsl,imx8mm-ocotp + - fsl,imx8mn-ocotp + - fsl,imx8mp-ocotp + - const: syscon + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + clocks: + maxItems: 1 + +required: + - "#address-cells" + - "#size-cells" + - compatible + - reg + +patternProperties: + "^.*@[0-9a-f]+$": + type: object + + properties: + reg: + maxItems: 1 + description: + Offset and size in bytes within the storage device. + + required: + - reg + + additionalProperties: false + +examples: + - | + #include + + ocotp: efuse@21bc000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,imx6sx-ocotp", "syscon"; + reg = <0x021bc000 0x4000>; + clocks = <&clks IMX6SX_CLK_OCOTP>; + + cpu_speed_grade: speed-grade@10 { + reg = <0x10 4>; + }; + + tempmon_calib: calib@38 { + reg = <0x38 4>; + }; + + tempmon_temp_grade: temp-grade@20 { + reg = <0x20 4>; + }; + }; + +...