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Tue, 26 Mar 2019 02:52:28 -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=QyZHZOEwDELPYBt29hYSlHrJ4AT6jlkGGzKJmBM/4TA=; b=Dojujl1f201r9ww/nPmjnyAKNV3uNk8f+KdRxOgU59lypVTXffkWQyIzSXkinin9lPPEq+w5RIKv3M/Xr3O8DYjLvNpPiFcZaVeGtg9eCAnHeKfvuxPs1rCqowTIcELX1w6WOHpLCb6SWYh6vWq4jhJ1gDrHewa/Q7o8j/xF2+Y= Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com (52.134.72.18) by DB3PR0402MB3675.eurprd04.prod.outlook.com (52.134.69.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1730.18; Tue, 26 Mar 2019 06:52:24 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::f1b4:a1fb:cfd1:3f08]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::f1b4:a1fb:cfd1:3f08%7]) with mapi id 15.20.1730.019; Tue, 26 Mar 2019 06:52:24 +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" , 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 V10 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding Thread-Topic: [PATCH V10 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding Thread-Index: AQHU46B3InSwK5isrE2PY/hGaO1igA== Date: Tue, 26 Mar 2019 06:52:23 +0000 Message-ID: <1553582817-29519-2-git-send-email-Anson.Huang@nxp.com> References: <1553582817-29519-1-git-send-email-Anson.Huang@nxp.com> In-Reply-To: <1553582817-29519-1-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: HK0PR04CA0008.apcprd04.prod.outlook.com (2603:1096:203:36::20) 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 V9: - update compatible to contain SoC name; - update example; --- .../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..e9cc199 --- /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 chann= els, so all channels +should use same period setting. + +Example: + +tpm4: pwm@40250000 { + compatible =3D "fsl,imx7ulp-pwm"; + reg =3D <0x40250000 0x1000>; + assigned-clocks =3D <&pcc2 IMX7ULP_CLK_LPTPM4>; + assigned-clock-parents =3D <&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>; + clocks =3D <&pcc2 IMX7ULP_CLK_LPTPM4>; + #pwm-cells =3D <3>; +}; --=20 2.7.4