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Mon, 25 Feb 2019 07:27:04 +0000 Received: from VI1PR04MB4558.eurprd04.prod.outlook.com ([fe80::b0fe:dee7:b2d3:9355]) by VI1PR04MB4558.eurprd04.prod.outlook.com ([fe80::b0fe:dee7:b2d3:9355%5]) with mapi id 15.20.1643.019; Mon, 25 Feb 2019 07:27:04 +0000 From: Jun Li To: "robh+dt@kernel.org" , "heikki.krogerus@linux.intel.com" CC: "gregkh@linuxfoundation.org" , "hdegoede@redhat.com" , "andy.shevchenko@gmail.com" , "linux-usb@vger.kernel.org" , "devicetree@vger.kernel.org" , dl-linux-imx Subject: [PATCH 1/2] dt-bindings: usb: add documentation for typec switch via GPIO Thread-Topic: [PATCH 1/2] dt-bindings: usb: add documentation for typec switch via GPIO Thread-Index: AQHUzNuBl0h1OVH1gkmdtEXLPmNDWw== Date: Mon, 25 Feb 2019 07:27:04 +0000 Message-ID: <1551078369-1654-1-git-send-email-jun.li@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK0PR03CA0045.apcprd03.prod.outlook.com (2603:1096:203:2f::33) To VI1PR04MB4558.eurprd04.prod.outlook.com (2603:10a6:803:6f::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=jun.li@nxp.com; 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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: hPPkbNg6RnZN7613GjVIfXSHcJtsXN/H+gJZx3rD96r2f5f42LkM3Qv4R2YWbKrbXCWK4dZCWbCMvcOYnCbiktVnDZKm2s/z7KosYma7+tNJ2PWXQpc3ljjuachX2o8Qzc6gHZDF1n3AREnHWI7vXhl3t+DqyTzZmUC+Vuuo7zeX7ieltPdnVFq8wS/JVXWUVVK7sTLTyalbWg99ET7Q+SyAEn6YBiw1LB3JNhrfg1CQ0NICgaxiw2DMWj9p6TLP6RjRU3uCYdaIP0cCSlvROPt0ga4axhWkK1dBrhZo00ZIkKC9KSBRVlrlVUI2uCuIWyfOrK8OhkK7a4FXUOgJIDibyvqScK13bN+9Enp046j7IQLrbAvtbq0tkN7QxZ57vg15blqwrDgkX04BkhlKRN4APX+C2XE/EL8r2JsLVv4= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 75e53286-7c0f-442a-3f8c-08d69af2a3c4 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Feb 2019 07:27:00.8281 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB5518 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 Some typec super speed active channel switch can be controlled via a GPIO, this binding can be used to specify the switch node by a GPIO and the remote endpoint of its consumre. Signed-off-by: Li Jun --- .../devicetree/bindings/usb/typec-switch-gpio.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/typec-switch-gpio.txt diff --git a/Documentation/devicetree/bindings/usb/typec-switch-gpio.txt b/Documentation/devicetree/bindings/usb/typec-switch-gpio.txt new file mode 100644 index 0000000..4ef76cf --- /dev/null +++ b/Documentation/devicetree/bindings/usb/typec-switch-gpio.txt @@ -0,0 +1,30 @@ +Typec orientation switch via a GPIO +----------------------------------- + +Required properties: +- compatible: should be set one of following: + - "nxp,ptn36043" for NXP Type-C SuperSpeed active switch. + +- gpios: the GPIO used to switch the super speed active channel, + GPIO_ACTIVE_HIGH: GPIO state high for cc1; + GPIO_ACTIVE_LOW: GPIO state low for cc1. +- orientation-switch: must be present. + +Required sub-node: +- port: specify the remote endpoint of typec switch consumer. + +Example: + +ptn36043 { + compatible = "nxp,ptn36043"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ss_sel>; + gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>; + orientation-switch; + + port { + usb3_data_ss: endpoint { + remote-endpoint = <&typec_con_ss>; + }; + }; +};