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Mon, 22 Oct 2018 05:43:08 +0000 Received: from VI1PR04MB5327.eurprd04.prod.outlook.com ([fe80::e046:4971:4e49:7e97]) by VI1PR04MB5327.eurprd04.prod.outlook.com ([fe80::e046:4971:4e49:7e97%3]) with mapi id 15.20.1250.028; Mon, 22 Oct 2018 05:43:08 +0000 From: Peter Chen To: "linux-usb@vger.kernel.org" CC: dl-linux-imx , "robh+dt@kernel.org" , "devicetree@vger.kernel.org" , "frieder.schrempf@exceet.de" , "festevam@gmail.com" , Peter Chen Subject: [PATCH v2 4/4] doc: usb: ci-hdrc-usb2: Add pinctrl properties for HSIC pin groups Thread-Topic: [PATCH v2 4/4] doc: usb: ci-hdrc-usb2: Add pinctrl properties for HSIC pin groups Thread-Index: AQHUacoc88t9ameE/USXCZgX4C2HaA== Date: Mon, 22 Oct 2018 05:43:07 +0000 Message-ID: <20181022054031.14027-5-peter.chen@nxp.com> References: <20181022054031.14027-1-peter.chen@nxp.com> In-Reply-To: <20181022054031.14027-1-peter.chen@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.14.1 x-clientproxiedby: HK0P153CA0036.APCP153.PROD.OUTLOOK.COM (2603:1096:203:17::24) To VI1PR04MB5327.eurprd04.prod.outlook.com (2603:10a6:803:60::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peter.chen@nxp.com; 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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: iBZ8JIz3kI1xvgTNt0LnzTcXr0blwM1JQvWBnwTsxBcECuJKo9EL+Lwah/9xvRtANdC3Gb5sVsbC+ZOdmfsfg4XHhdYqdXrUViVSzCywmhM4ki6XxkTsYDmIbnstTObppkDlFSA7k6pnMEu5Oh5OGbUB7lPD4LWCU4cUjpMnaiTtr1KfZm6k2MGAWMGBYDbPJEC8/ZatBAI8D2CavViMXozoZdVzFkx9DfIa7aF1ADwXsyqiOhe5ntqCUR3cxtrigLpEEX0NsaoJT7ee8PlU+0ZkCybQAQeyObOBrIg3oboNQgW/UuVxjOn6SU7tl9R6uiMMET1TGTPWiUMZDH2KWtw/I9/neK3Z5vGvJ+77gR8= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: ec4fad46-7efd-43be-1e38-08d637e13e74 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Oct 2018 05:43:07.9470 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB5056 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP For USB HSIC, the data and strobe pin needs to be pulled down at default, we consider it as "idle" state. When the USB host is ready to be used, the strobe pin needs to be pulled up, we consider it as "active" state. Signed-off-by: Peter Chen --- Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt index 529e51879fb2..10c8d793ea49 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt @@ -81,6 +81,7 @@ Optional properties: mux state of 1 indicates host mode. - mux-control-names: Shall be "usb_switch" if mux-controls is specified. - pinctrl-names: Names for optional pin modes in "default", "host", "device" + Or names for HSIC "idle" and "active" pin modes. - pinctrl-n: alternate pin modes i.mx specific properties