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Sun, 03 Dec 2023 18:03:04 -0800 (PST) From: Dmitry Baryshkov To: "Rob Herring" , "Krzysztof Kozlowski" , "Conor Dooley" , "Andy Gross" , "Bjorn Andersson" , "Konrad Dybcio" , "Hans de Goede" , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , "Mark Gross" , "Heikki Krogerus" , "Greg Kroah-Hartman" Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org, Rob Herring Subject: [PATCH v4 1/3] dt-bindings: connector: usb: add altmodes description Date: Mon, 4 Dec 2023 04:03:00 +0200 Message-ID: <20231204020303.2287338-2-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231204020303.2287338-1-dmitry.baryshkov@linaro.org> References: <20231204020303.2287338-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Sun, 03 Dec 2023 18:03:14 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1784315010355456203 X-GMAIL-MSGID: 1784315010355456203 Add description of the USB-C AltModes supported on the particular USB-C connector. This is required for devices like Qualcomm Robotics RB5, which have no other way to express alternative modes supported by the hardware platform. Reviewed-by: Rob Herring Signed-off-by: Dmitry Baryshkov --- .../bindings/connector/usb-connector.yaml | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml index 7c8a3e8430d3..28660b931d0c 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml @@ -171,6 +171,32 @@ properties: offer the power, Capability Mismatch is set. Required for power sink and power dual role. + altmodes: + type: object + description: List of Alternative Modes supported by the schematics on the + particular device. This is only necessary if there are no other means to + discover supported alternative modes (e.g. through the UCSI firmware + interface). + + additionalProperties: false + + patternProperties: + "^(displayport)$": + type: object + description: + A single USB-C Alternative Mode as supported by the USB-C connector logic. + + additionalProperties: false + + properties: + svid: + $ref: /schemas/types.yaml#/definitions/uint16 + description: Unique value assigned by USB-IF to the Vendor / AltMode. + enum: [ 0xff01 ] + vdo: + $ref: /schemas/types.yaml#/definitions/uint32 + description: VDO returned by Discover Modes USB PD command. + port: $ref: /schemas/graph.yaml#/properties/port description: OF graph bindings modeling a data bus to the connector, e.g. @@ -289,6 +315,13 @@ examples: compatible = "usb-c-connector"; label = "USB-C"; + altmodes { + displayport { + svid = /bits/ 16 <0xff01>; + vdo = <0x00001c46>; + }; + }; + ports { #address-cells = <1>; #size-cells = <0>;