From patchwork Wed Apr 10 01:47:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 1083076 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.b="fD8JgNRg"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44f6VQ0M4fz9sTs for ; Wed, 10 Apr 2019 11:47:42 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726838AbfDJBrk (ORCPT ); Tue, 9 Apr 2019 21:47:40 -0400 Received: from mail-eopbgr130088.outbound.protection.outlook.com ([40.107.13.88]:52633 "EHLO EUR01-HE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726577AbfDJBrj (ORCPT ); Tue, 9 Apr 2019 21:47:39 -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=vWVgAfaTP2sCroy2l/4MCJHMU9AduJrenYinRUDOr9s=; b=fD8JgNRgJ1DSVTVHjjK0avaih4wZiP3N6RKT7aW+Vb5xl4z37gXQlyLXOd+EhqLHXwVYEcTQ/YYPUsLYGQmHD+4VkNGkcZOgls1B7wdIYSFRTdNpmNS2codN4U9unub7scD8hmRlinvTicZ77zf1MNj02bYUHY9nC5D1G03dTKY= Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com (52.134.72.18) by DB3PR0402MB3721.eurprd04.prod.outlook.com (52.134.67.141) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1792.14; Wed, 10 Apr 2019 01:47:34 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::e8ca:4f6b:e43:c170]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::e8ca:4f6b:e43:c170%3]) with mapi id 15.20.1771.016; Wed, 10 Apr 2019 01:47:34 +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 , Robin Gong , "u.kleine-koenig@pengutronix.de" , "linux-pwm@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" CC: dl-linux-imx Subject: [PATCH V11 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding Thread-Topic: [PATCH V11 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding Thread-Index: AQHU7z9edm8y96fMfkmO0qtUJzaAHA== Date: Wed, 10 Apr 2019 01:47:34 +0000 Message-ID: <1554860547-18237-2-git-send-email-Anson.Huang@nxp.com> References: <1554860547-18237-1-git-send-email-Anson.Huang@nxp.com> In-Reply-To: <1554860547-18237-1-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: HK2P15301CA0004.APCP153.PROD.OUTLOOK.COM (2603:1096:202:1::14) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [119.31.174.66] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 8657d559-f147-4a07-b6f8-08d6bd568099 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600139)(711020)(4605104)(4618075)(2017052603328)(7193020); SRVR:DB3PR0402MB3721; x-ms-traffictypediagnostic: DB3PR0402MB3721: x-microsoft-antispam-prvs: x-forefront-prvs: 00032065B2 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(136003)(39860400002)(346002)(376002)(366004)(396003)(199004)(189003)(2201001)(71190400001)(71200400001)(97736004)(105586002)(68736007)(6436002)(14454004)(8676002)(8936002)(478600001)(50226002)(81166006)(81156014)(7736002)(256004)(53936002)(25786009)(6512007)(305945005)(4326008)(6486002)(26005)(7416002)(106356001)(36756003)(66066001)(186003)(3846002)(6116002)(52116002)(316002)(102836004)(6506007)(386003)(446003)(486006)(2906002)(76176011)(110136005)(86362001)(2616005)(476003)(2501003)(11346002)(5660300002)(99286004)(921003)(1121003); DIR:OUT; SFP:1101; SCL:1; SRVR:DB3PR0402MB3721; H:DB3PR0402MB3916.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: BKpkWzlQJaMCPlErDKp/CKR0ua5gjAFDgnDQZfS9p2NwbEMI2BIjf4YmPnRV06VXMg2Yv6/R2pjGRaZdpMYXZ83+foxoJR8luCgy2z3ITOUNSOYkOEN2J4tnnCar6SCQ5M+2wSF+7v0lwCeUpCiKGKxLOn/TJ0gXQ29eVWjn5sLu6yzdMfE9McXeGsL/N3Z0EfXbDZ1bzRnVFthjnlLuIcowGA8EIhionnplS98wExUui/O47hNpzX1bZ12nJ8+sVthV2qME0erwpbkXhgj+vBw3TAlrLxRoYTGFHn2YvbBh255Mtu4yFHDzjnxM+tftLfO5qkwsO8Viz5owt2iPbPlv3TdHfSiNv52lNODJM1jwVdV8TpCPtZ5/N1+2laaKF9X4SJoFky816XE0+4Yr0YEyL2KT67dAo8PnG4chO2Q= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8657d559-f147-4a07-b6f8-08d6bd568099 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Apr 2019 01:47:34.5250 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3721 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add i.MX TPM(Low Power Timer/Pulse Width Modulation Module) PWM binding. Signed-off-by: Anson Huang Reviewed-by: Rob Herring --- No changes. --- .../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/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt new file mode 100644 index 0000000..3ba958d --- /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,imx7ulp-pwm". +- 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 channels, so all channels +should use same period setting. + +Example: + +tpm4: pwm@40250000 { + compatible = "fsl,imx7ulp-pwm"; + reg = <0x40250000 0x1000>; + assigned-clocks = <&pcc2 IMX7ULP_CLK_LPTPM4>; + assigned-clock-parents = <&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>; + clocks = <&pcc2 IMX7ULP_CLK_LPTPM4>; + #pwm-cells = <3>; +};