From patchwork Mon May 11 11:57:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11540517 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 70342913 for ; Mon, 11 May 2020 12:07:20 +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 39DC7206F5 for ; Mon, 11 May 2020 12:07:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MMngr9Nm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 39DC7206F5 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=uK2SQJwXr2J3dQCjg7WSrmh2TAEBndHo+IC/YxMmoHQ=; b=MMn gr9NmK9qUNTu65MUdYxG/JXUZJ1v0wjAfRN4rvYmXk+tAPbHj0MAbF4SiPiuVhnEiQgg2soX/Z8fR +bZ0n5VYKhY/DWzUjc8jSr+Z3sWQcIIJ1spd+C/Cd8J4/LTMB7seF6mfUBIbullGdUG4c/p+fP8Wf M2u74X7HTUxsjaBkv0jE56tO6ipZWpXgy+Taub/8K8+pqRdK54YQIQQE1SjAUskBdfiCVpRjw4z2B sg7PuWrzMarNRnWFAT1Um16p9qOxpOPCvkjOaRgDgqfSaGfr0rnLuukMZLXjuH1EcxkQ7l7BpE/C7 XErJzfTV3WpYdU4F6wvon5NIXdEoRtQ==; 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 1jY7DD-0006DY-Vc; Mon, 11 May 2020 12:07:11 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jY7DA-0006D1-Ft for linux-arm-kernel@lists.infradead.org; Mon, 11 May 2020 12:07:10 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id A8132200BA6; Mon, 11 May 2020 14:07:06 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id F004F20025F; Mon, 11 May 2020 14:07:01 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 195BF402A7; Mon, 11 May 2020 20:06:56 +0800 (SGT) From: Anson Huang To: p.zabel@pengutronix.de, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, andrew.smirnov@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH V2] dt-bindings: reset: Convert i.MX7 reset to json-schema Date: Mon, 11 May 2020 19:57:42 +0800 Message-Id: <1589198262-21372-1-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-20200511_050708_811457_3756EEA1 X-CRM114-Status: GOOD ( 10.26 ) 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 [92.121.34.21 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.MX7 reset binding to DT schema format using json-schema. Signed-off-by: Anson Huang Reviewed-by: Dong Aisheng Reviewed-by: Rob Herring --- Changes since V1: - Improve description; - Remove i.MX8MM and i.MX8MN compatible, they use i.MX8MQ's compatible; - Keep original author as maintainer; - Remove unnecessary "..." at the end of file. --- .../devicetree/bindings/reset/fsl,imx7-src.txt | 56 --------------------- .../devicetree/bindings/reset/fsl,imx7-src.yaml | 58 ++++++++++++++++++++++ 2 files changed, 58 insertions(+), 56 deletions(-) delete mode 100644 Documentation/devicetree/bindings/reset/fsl,imx7-src.txt create mode 100644 Documentation/devicetree/bindings/reset/fsl,imx7-src.yaml diff --git a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt deleted file mode 100644 index e10502d..0000000 --- a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt +++ /dev/null @@ -1,56 +0,0 @@ -Freescale i.MX7 System Reset Controller -====================================== - -Please also refer to reset.txt in this directory for common reset -controller binding usage. - -Required properties: -- compatible: - - For i.MX7 SoCs should be "fsl,imx7d-src", "syscon" - - For i.MX8MQ SoCs should be "fsl,imx8mq-src", "syscon" - - For i.MX8MM SoCs should be "fsl,imx8mm-src", "fsl,imx8mq-src", "syscon" - - For i.MX8MN SoCs should be "fsl,imx8mn-src", "fsl,imx8mq-src", "syscon" - - For i.MX8MP SoCs should be "fsl,imx8mp-src", "syscon" -- reg: should be register base and length as documented in the - datasheet -- interrupts: Should contain SRC interrupt -- #reset-cells: 1, see below - -example: - -src: reset-controller@30390000 { - compatible = "fsl,imx7d-src", "syscon"; - reg = <0x30390000 0x2000>; - interrupts = ; - #reset-cells = <1>; -}; - - -Specifying reset lines connected to IP modules -============================================== - -The system reset controller can be used to reset various set of -peripherals. Device nodes that need access to reset lines should -specify them as a reset phandle in their corresponding node as -specified in reset.txt. - -Example: - - pcie: pcie@33800000 { - - ... - - resets = <&src IMX7_RESET_PCIEPHY>, - <&src IMX7_RESET_PCIE_CTRL_APPS_EN>; - reset-names = "pciephy", "apps"; - - ... - }; - - -For list of all valid reset indices see - for i.MX7, - for i.MX8MQ and - for i.MX8MM and - for i.MX8MN and - for i.MX8MP diff --git a/Documentation/devicetree/bindings/reset/fsl,imx7-src.yaml b/Documentation/devicetree/bindings/reset/fsl,imx7-src.yaml new file mode 100644 index 0000000..b1a71c1 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/fsl,imx7-src.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/fsl,imx7-src.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX7 System Reset Controller + +maintainers: + - Andrey Smirnov + +description: | + The system reset controller can be used to reset various set of + peripherals. Device nodes that need access to reset lines should + specify them as a reset phandle in their corresponding node as + specified in reset.txt. + + For list of all valid reset indices see + for i.MX7, + for i.MX8MQ, i.MX8MM and i.MX8MN, + for i.MX8MP. + +properties: + compatible: + items: + - enum: + - fsl,imx7d-src + - fsl,imx8mq-src + - fsl,imx8mp-src + - const: syscon + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + '#reset-cells': + const: 1 + +required: + - compatible + - reg + - interrupts + - '#reset-cells' + +additionalProperties: false + +examples: + - | + #include + + reset-controller@30390000 { + compatible = "fsl,imx7d-src", "syscon"; + reg = <0x30390000 0x2000>; + interrupts = ; + #reset-cells = <1>; + };