From patchwork Tue Apr 21 14:21:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11501717 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 58D236CA for ; Tue, 21 Apr 2020 14:37:48 +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 2BBE020656 for ; Tue, 21 Apr 2020 14:37:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Uvh2nA7J" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2BBE020656 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=YNi8IlpfggzamLgAnN8dd7WTL2b0t6h2Mkk/1e7Br90=; b=Uvh 2nA7JE5s95kinWvA7SMkf++RAMdlq+agslnctY11wnpL6NyPWw3j3t44oLmGPOnV6ftKulEav6s6Z Hfurz2cXwh7/F5jdVD1PhwD7VCTvMmPHwdCDvhwHcKywjLn5JphxDq0viw7Y3sn+AN1R1iFz3EUXB SO7Lk5twNzCnNTkerXWSDmGv39E7utTL0vG+D27E87b9izTH88xlLjeg5sIWYR+HyDA3iC4xzpVkl iX2GWLg2WOoZyDkwZGSm7FnYLC7SjqBJ3heRMxRlnEeNJCwQKqybWFpF8bqGUYbRyNzDoKQqBrwQR Zd7jGOqJeB5E5CIUYAJjje83ogU4Smg==; 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 1jQu1s-0005lJ-M6; Tue, 21 Apr 2020 14:37:40 +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 1jQtuN-0002uh-IS for linux-arm-kernel@lists.infradead.org; Tue, 21 Apr 2020 14:29:59 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 9F1D71A0CA7; Tue, 21 Apr 2020 16:29:53 +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 B26FA1A0C71; Tue, 21 Apr 2020 16:29:48 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id D7A45402D9; Tue, 21 Apr 2020 22:29:42 +0800 (SGT) From: Anson Huang To: wim@linux-watchdog.org, linux@roeck-us.net, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH V3 1/2] dt-bindings: watchdog: Convert i.MX to json-schema Date: Tue, 21 Apr 2020 22:21:25 +0800 Message-Id: <1587478886-21512-1-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_072955_916334_5671DF20 X-CRM114-Status: GOOD ( 10.85 ) 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 watchdog binding to DT schema format using json-schema. Signed-off-by: Anson Huang --- Changes since V2: - drop clocks description; - drop unused label. --- .../devicetree/bindings/watchdog/fsl-imx-wdt.txt | 24 ---------- .../devicetree/bindings/watchdog/fsl-imx-wdt.yaml | 54 ++++++++++++++++++++++ 2 files changed, 54 insertions(+), 24 deletions(-) delete mode 100644 Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt create mode 100644 Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt deleted file mode 100644 index adc6b76..0000000 --- a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt +++ /dev/null @@ -1,24 +0,0 @@ -* Freescale i.MX Watchdog Timer (WDT) Controller - -Required properties: -- compatible : Should be "fsl,-wdt" -- reg : Should contain WDT registers location and length -- interrupts : Should contain WDT interrupt - -Optional properties: -- big-endian: If present the watchdog device's registers are implemented - in big endian mode, otherwise in native mode(same with CPU), for more - detail please see: Documentation/devicetree/bindings/regmap/regmap.txt. -- fsl,ext-reset-output: If present the watchdog device is configured to - assert its external reset (WDOG_B) instead of issuing a software reset. -- timeout-sec : Contains the watchdog timeout in seconds - -Examples: - -wdt@73f98000 { - compatible = "fsl,imx51-wdt", "fsl,imx21-wdt"; - reg = <0x73f98000 0x4000>; - interrupts = <58>; - big-endian; - timeout-sec = <20>; -}; diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml new file mode 100644 index 0000000..ec77b77 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/fsl-imx-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX Watchdog Timer (WDT) Controller + +maintainers: + - Anson Huang + +allOf: + - $ref: "watchdog.yaml#" + +properties: + compatible: + enum: + - fsl,imx21-wdt + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + fsl,ext-reset-output: + $ref: /schemas/types.yaml#/definitions/flag + description: | + If present, the watchdog device is configured to assert its + external reset (WDOG_B) instead of issuing a software reset. + +required: + - compatible + - interrupts + - reg + +additionalProperties: false + +examples: + - | + #include + #include + + watchdog@20bc000 { + compatible = "fsl,imx21-wdt"; + reg = <0x020bc000 0x4000>; + interrupts = <0 80 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6QDL_CLK_IPG>; + }; + +...