From patchwork Thu May 14 06:54:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11548105 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 517C6912 for ; Thu, 14 May 2020 07:04:00 +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 279EB206D8 for ; Thu, 14 May 2020 07:04:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="YTsZM6Gq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 279EB206D8 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=kCP8EQcBTtqrpIpVe36eZjZBwOU6FiYxyUFkrNiVTYg=; b=YTs ZM6Gqk7eQTyHwGFiifza1NGoC0+q9CrHuxS3+gaR+rPpduZF0kvyO0wu6atBExWl0h/AtwFKWN/pM +6MphezKRrgkFQfCRrTk8X9TyNtHHGjQXPTtp7RmAq8+W5mfGEYWRWmkTXdxVN25wBHrgXxr4mnra TpfpQ6VpIfgwp5SqO1vt5OdXCZUpP22hyf71sNqwhkVVFIAhxAjP9Ak8tsTquVxjyuzdTw2etAWdY syZ9WNvT5eqIXgkyJXjPzFfxlaeYhML5A7XPFMMp20RN7Z8kCLyamF1NZMkV4MRHLjOZr9lUSc1lC u/5EVrTr6ywztklmhn9TNbyoUL/JtVw==; 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 1jZ7uO-0002u0-Te; Thu, 14 May 2020 07:03:56 +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 1jZ7uM-0002tE-0s for linux-arm-kernel@lists.infradead.org; Thu, 14 May 2020 07:03:55 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id DB4881A0148; Thu, 14 May 2020 09:03:51 +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 6C4481A0132; Thu, 14 May 2020 09:03:46 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id AE84F402B4; Thu, 14 May 2020 15:03:39 +0800 (SGT) From: Anson Huang To: thierry.reding@gmail.com, u.kleine-koenig@pengutronix.de, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, p.zabel@pengutronix.de, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: pwm: Convert imx pwm to json-schema Date: Thu, 14 May 2020 14:54:18 +0800 Message-Id: <1589439259-28510-1-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-20200514_000354_346632_63E00E43 X-CRM114-Status: GOOD ( 11.34 ) 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_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches 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 imx pwm binding to DT schema format using json-schema. Signed-off-by: Anson Huang --- Documentation/devicetree/bindings/pwm/imx-pwm.txt | 27 --------- Documentation/devicetree/bindings/pwm/imx-pwm.yaml | 66 ++++++++++++++++++++++ 2 files changed, 66 insertions(+), 27 deletions(-) delete mode 100644 Documentation/devicetree/bindings/pwm/imx-pwm.txt create mode 100644 Documentation/devicetree/bindings/pwm/imx-pwm.yaml diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.txt b/Documentation/devicetree/bindings/pwm/imx-pwm.txt deleted file mode 100644 index 22f1c3d..0000000 --- a/Documentation/devicetree/bindings/pwm/imx-pwm.txt +++ /dev/null @@ -1,27 +0,0 @@ -Freescale i.MX PWM controller - -Required properties: -- compatible : should be "fsl,-pwm" and one of the following - compatible strings: - - "fsl,imx1-pwm" for PWM compatible with the one integrated on i.MX1 - - "fsl,imx27-pwm" for PWM compatible with the one integrated on i.MX27 -- reg: physical base address and length of the controller's registers -- #pwm-cells: 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.yaml - in this directory for a description of the cells format. -- clocks : Clock specifiers for both ipg and per clocks. -- clock-names : Clock names should include both "ipg" and "per" -See the clock consumer binding, - Documentation/devicetree/bindings/clock/clock-bindings.txt -- interrupts: The interrupt for the pwm controller - -Example: - -pwm1: pwm@53fb4000 { - #pwm-cells = <3>; - compatible = "fsl,imx53-pwm", "fsl,imx27-pwm"; - reg = <0x53fb4000 0x4000>; - clocks = <&clks IMX5_CLK_PWM1_IPG_GATE>, - <&clks IMX5_CLK_PWM1_HF_GATE>; - clock-names = "ipg", "per"; - interrupts = <61>; -}; diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.yaml b/Documentation/devicetree/bindings/pwm/imx-pwm.yaml new file mode 100644 index 0000000..4b62af2 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/imx-pwm.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/imx-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX PWM controller + +maintainers: + - Philipp Zabel + +properties: + "#pwm-cells": + description: | + Should be 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.yaml + in this directory for a description of the cells format. + enum: + - 2 + - 3 + + compatible: + enum: + - fsl,imx1-pwm + - fsl,imx27-pwm + + reg: + maxItems: 1 + + clocks: + items: + - description: SoC PWM ipg clock + - description: SoC PWM per clock + maxItems: 2 + + clock-names: + items: + - const: ipg + - const: per + maxItems: 2 + + interrupts: + maxItems: 1 + +required: + - "#pwm-cells" + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include + + pwm@53fb4000 { + #pwm-cells = <3>; + compatible = "fsl,imx27-pwm"; + reg = <0x53fb4000 0x4000>; + clocks = <&clks IMX5_CLK_PWM1_IPG_GATE>, + <&clks IMX5_CLK_PWM1_HF_GATE>; + clock-names = "ipg", "per"; + interrupts = <61>; + };