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Tue, 3 Nov 2020 11:46:22 +0000 From: Li Jun To: heikki.krogerus@linux.intel.com, robh+dt@kernel.org, rafael@kernel.org Cc: gregkh@linuxfoundation.org, andriy.shevchenko@linux.intel.com, hdegoede@redhat.com, lee.jones@linaro.org, mika.westerberg@linux.intel.com, dmitry.torokhov@gmail.com, prabhakar.mahadev-lad.rj@bp.renesas.com, laurent.pinchart+renesas@ideasonboard.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-imx@nxp.com, peter.chen@nxp.com Subject: [PATCH v5 1/4] dt-bindings: usb: add documentation for typec switch simple driver Date: Tue, 3 Nov 2020 19:40:07 +0800 Message-Id: <1604403610-16577-1-git-send-email-jun.li@nxp.com> X-Mailer: git-send-email 2.7.4 Content-Type: text/plain X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR01CA0131.apcprd01.prod.exchangelabs.com (2603:1096:4:40::35) To VE1PR04MB6528.eurprd04.prod.outlook.com (2603:10a6:803:127::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR01CA0131.apcprd01.prod.exchangelabs.com (2603:1096:4:40::35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3499.19 via Frontend Transport; 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Signed-off-by: Li Jun --- No changes for v5. changes on v4: - Use compatible instead of bool property for switch matching. - Change switch GPIO to be switch simple. - Change the active channel selection GPIO to be optional. previous discussion: http://patchwork.ozlabs.org/patch/1054342/ .../bindings/usb/typec-switch-simple.yaml | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/typec-switch-simple.yaml b/Documentation/devicetree/bindings/usb/typec-switch-simple.yaml new file mode 100644 index 0000000..244162d --- /dev/null +++ b/Documentation/devicetree/bindings/usb/typec-switch-simple.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/typec-switch-simple.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Typec Orientation Switch Simple Solution Bindings + +maintainers: + - Li Jun + +description: |- + USB SuperSpeed (SS) lanes routing to which side of typec connector is + decided by orientation, this maybe achieved by some simple control like + GPIO toggle. + +properties: + compatible: + const: typec-orientation-switch + + switch-gpios: + description: | + gpio specifier to switch the super speed active channel, + GPIO_ACTIVE_HIGH: GPIO state high for cc1; + GPIO_ACTIVE_LOW: GPIO state low for cc1. + maxItems: 1 + + port: + type: object + additionalProperties: false + description: -| + Connection to the remote endpoint using OF graph bindings that model SS + data bus to typec connector. + + properties: + endpoint: + type: object + additionalProperties: false + + properties: + remote-endpoint: true + + required: + - remote-endpoint + + required: + - endpoint + +required: + - compatible + - port + +additionalProperties: false + +examples: + - | + #include + ptn36043 { + compatible = "typec-orientation-switch"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ss_sel>; + switch-gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>; + + port { + usb3_data_ss: endpoint { + remote-endpoint = <&typec_con_ss>; + }; + }; + }; -- 2.7.4