From patchwork Mon Dec 4 02:03:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 13477738 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Wj/bQjc0" Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22A2A119 for ; Sun, 3 Dec 2023 18:03:07 -0800 (PST) Received: by mail-lf1-x12b.google.com with SMTP id 2adb3069b0e04-50bdec453c8so2486933e87.3 for ; Sun, 03 Dec 2023 18:03:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1701655385; x=1702260185; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ObBx9TWLrIBpB0H9q8V9qBSHqmx+qoGHKzq0yJDmTtU=; b=Wj/bQjc03wNcfC2zoBnv5PekO8ZphTPcnUhI9qlWfGsO9wnUdpuiMy9zk7OyeGMf2+ 2iwd8h05WEoM4UxRAC5IMpjVkE5WhnQ9CQkLP67MdFhDH5GUZes8rE5BawILvODUEpUr +ICV0JifG41DKT/2tJoP1n6c9PwCv0OVhDogMT+H9vi4yV7ndPw7cLCzMMMXOwGKxU25 WT0+KPf3GyvCYNDhsNU78SV0IfCOUrSroSP6s+m43JzKZn26UfWuRhTVsZ21f2OS4eTR HyuQ6H/8M7WX/UTLDDbpVeH4X4V/LHpky/n3+HJ+h/X7W8Hx+MFWoAEyEcK+HPrZDUNS Mgng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701655385; x=1702260185; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ObBx9TWLrIBpB0H9q8V9qBSHqmx+qoGHKzq0yJDmTtU=; b=Vsvs8kxEO8MxQz/hioESbVJmb+ludDOoqKuxy/DY/NZ8jz9TK+z1tuS4AVEu0zT8Lp dECaTd28JsR1qPz3qafGStZ/C1gGuGKHIBxUt/e/Ns/JJ3omX+IfKfupWcIk2b5v5mGF 54np9EZuF4r+RT+w/1t32qAxkLLj072YEw9n+FZNWPB+MmO2uuc1OUX1vKb86T83PDp/ fKxXSG/G9IplliBj7xfd4J9IV+3JM2fvYuJPsI35+bDyekGMGrNW13idXSmTNwQ/R+o9 qtSayTwry8zRSzYQdQJjJjaZRaBKOv+ewFNxd13lz44T7lGB9zgcK5sHFEMeHudtPgqV g4Fg== X-Gm-Message-State: AOJu0YwHy/2CzFtfhyxgSzLNMosXtmWvBzOMSq8yWMXRYOzULPhsLFtO ++0swhYEMjvn+7dbrchy6iFlaQ== X-Google-Smtp-Source: AGHT+IGQ0l3lZw9Y9VLkl78eTQoCX7i8NWPwi3Mb9gkL2b9k9s3lIiyNJDsNIkxsTjgfigkS3zcfGA== X-Received: by 2002:ac2:5ec2:0:b0:50b:f776:1d57 with SMTP id d2-20020ac25ec2000000b0050bf7761d57mr400656lfq.28.1701655385280; Sun, 03 Dec 2023 18:03:05 -0800 (PST) Received: from eriador.unikie.fi ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id v12-20020a056512348c00b0050bea5c2850sm525381lfr.39.2023.12.03.18.03.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); 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> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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>;