From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 654A4C43381 for ; Tue, 19 Mar 2019 06:50:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2B36A2146E for ; Tue, 19 Mar 2019 06:50:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="v9NBPp9+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727274AbfCSGuk (ORCPT ); Tue, 19 Mar 2019 02:50:40 -0400 Received: from mail-eopbgr20057.outbound.protection.outlook.com ([40.107.2.57]:21732 "EHLO EUR02-VE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726457AbfCSGuk (ORCPT ); Tue, 19 Mar 2019 02:50:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=QYrfdCybAFnNgD9DH8DV4chU4OPX+5rBcPx14fH7wTk=; b=v9NBPp9+cwYWlS7PZOAidV2mQ3FikDuCtOwGAoVKz+OXM1obTfWG8tUG0MweYs8qHXJxxHUXI9ZkjRiEnR8A0YYP6NJMw7WG+9a9ZUKgH01jfthGx2nfRB0vrAgaokdhzH43LxUhzmy6fGPyynBD8vqrtqjyce2M1243nFxxrCk= Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com (52.134.72.18) by DB3PR0402MB3788.eurprd04.prod.outlook.com (52.134.72.17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1709.14; Tue, 19 Mar 2019 06:50:34 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::f1b4:a1fb:cfd1:3f08]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::f1b4:a1fb:cfd1:3f08%6]) with mapi id 15.20.1709.015; Tue, 19 Mar 2019 06:50:34 +0000 From: Anson Huang To: "thierry.reding@gmail.com" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "kernel@pengutronix.de" , "festevam@gmail.com" , "linux@armlinux.org.uk" , "stefan@agner.ch" , "otavio@ossystems.com.br" , Leonard Crestez , "schnitzeltony@gmail.com" , "jan.tuerk@emtrion.com" , Robin Gong , "linux-pwm@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "u.kleine-koenig@pengutronix.de" CC: dl-linux-imx Subject: [PATCH V6 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding Thread-Topic: [PATCH V6 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding Thread-Index: AQHU3h/8vPmt411kB02aOAUpMTuiLA== Date: Tue, 19 Mar 2019 06:50:06 +0000 Message-ID: <1552977898-5590-2-git-send-email-Anson.Huang@nxp.com> References: <1552977898-5590-1-git-send-email-Anson.Huang@nxp.com> In-Reply-To: <1552977898-5590-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK0PR03CA0082.apcprd03.prod.outlook.com (2603:1096:203:72::22) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; 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Signed-off-by: Anson Huang --- Changes since V5: - improve compatible string; - change #pwm-cells to 3; - "pwm" -> "PWM"; --- .../devicetree/bindings/pwm/imx-tpm-pwm.txt | 22 ++++++++++++++++++= ++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt diff --git a/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt b/Docume= ntation/devicetree/bindings/pwm/imx-tpm-pwm.txt new file mode 100644 index 0000000..94f1ad5 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt @@ -0,0 +1,22 @@ +Freescale i.MX TPM PWM controller + +Required properties: +- compatible : Should be "fsl,imx-tpm". +- reg: Physical base address and length of the controller's registers. +- #pwm-cells: Should be 3. See pwm.txt in this directory for a description= of the cells format. +- clocks : The clock provided by the SoC to drive the PWM. +- interrupts: The interrupt for the PWM controller. + +Note: The TPM counter and period counter are shared between multiple chann= els, so all channels +should use same period setting. + +Example: + +pwm0: tpm@40250000 { + compatible =3D "fsl,imx-tpm"; + reg =3D <0x40250000 0x1000>; + assigned-clocks =3D <&clks IMX7ULP_CLK_LPTPM4>; + assigned-clock-parents =3D <&clks IMX7ULP_CLK_SOSC_BUS_CLK>; + clocks =3D <&clks IMX7ULP_CLK_LPTPM4>; + #pwm-cells =3D <3>; +}; --=20 2.7.4