From patchwork Wed Apr 15 00:40:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 215085 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT 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 906AFC352BE for ; Wed, 15 Apr 2020 00:48:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7AEC820784 for ; Wed, 15 Apr 2020 00:48:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2634695AbgDOAsp (ORCPT ); Tue, 14 Apr 2020 20:48:45 -0400 Received: from inva020.nxp.com ([92.121.34.13]:34042 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388115AbgDOAsc (ORCPT ); Tue, 14 Apr 2020 20:48:32 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 32AA71A0616; Wed, 15 Apr 2020 02:48:21 +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 44B661A0613; Wed, 15 Apr 2020 02:48:16 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 1107240293; Wed, 15 Apr 2020 08:48:10 +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 Cc: Linux-imx@nxp.com Subject: [PATCH V2 1/2] dt-bindings: watchdog: Convert i.MX to json-schema Date: Wed, 15 Apr 2020 08:40:10 +0800 Message-Id: <1586911211-1141-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-watchdog-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Convert the i.MX watchdog binding to DT schema format using json-schema. Signed-off-by: Anson Huang --- No change. --- .../devicetree/bindings/watchdog/fsl-imx-wdt.txt | 24 ---------- .../devicetree/bindings/watchdog/fsl-imx-wdt.yaml | 56 ++++++++++++++++++++++ 2 files changed, 56 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..674d902 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml @@ -0,0 +1,56 @@ +# 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: + description: | + Watchdog's clock source. + 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 + + wdog1: watchdog@20bc000 { + compatible = "fsl,imx21-wdt"; + reg = <0x020bc000 0x4000>; + interrupts = <0 80 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6QDL_CLK_IPG>; + }; + +...