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Mon, 22 Aug 2022 07:34:04 +0000 From: Xu Yang To: heikki.krogerus@linux.intel.com, robh+dt@kernel.org, peda@axentia.se, shawnguo@kernel.org Cc: gregkh@linuxfoundation.org, linux@roeck-us.net, jun.li@nxp.com, xu.yang_2@nxp.com, linux-usb@vger.kernel.org, linux-imx@nxp.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/4] dt-bindings: connector: Add typec orientation switch properties Date: Mon, 22 Aug 2022 23:35:14 +0800 Message-Id: <20220822153517.3747679-2-xu.yang_2@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220822153517.3747679-1-xu.yang_2@nxp.com> References: <20220822153517.3747679-1-xu.yang_2@nxp.com> X-ClientProxiedBy: SI2PR02CA0033.apcprd02.prod.outlook.com (2603:1096:4:195::20) To PAXPR04MB8784.eurprd04.prod.outlook.com (2603:10a6:102:20f::23) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b1fd883f-3d51-4427-de95-08da8410b069 X-MS-TrafficTypeDiagnostic: DB7PR04MB5530:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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So we can use mux controller to control simple gpio switch or other types of switch. This will cover the following typec switch use case: High Speed, Super Speed and Sideband switch. Signed-off-by: Xu Yang --- .../bindings/connector/usb-connector.yaml | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml index ae515651fc6b..47f53cdbf31a 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml @@ -221,6 +221,24 @@ properties: SNK_READY for non-pd link. type: boolean + # The following are optional properties for "usb-c-connector". + mux-controls: + description: Mux controller node to use for orientation switch selection. This mux controller + could handle High Speed, Super Speed and Sideband switch use case one time. In orde to do so, + besides mux settings need to be properly configured for each switch under mux-controller node, + correct states should also be assigned to typec-switch-states parameter. + maxItems: 1 + + typec-switch-states: + description: An ordered u32 array describing the mux state value for each typec orientations. + Three states correspond to NONE(high impedance), NORMAL, REVERSE respectively. If there is + no HW mux state for NONE, use value of NORMAL or REVERSE for it. If this mux controller + handle more than 1 switch, correct states value need to be caculated according to the mux + settings. + minItems: 3 + maxItems: 3 + $ref: /schemas/types.yaml#/definitions/uint32-array + dependencies: sink-vdos-v1: [ 'sink-vdos' ] sink-vdos: [ 'sink-vdos-v1' ]