From patchwork Mon Nov 13 14:33:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 13454078 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 249702111C for ; Mon, 13 Nov 2023 14:53:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="dx8NiN0P" Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5474B1729 for ; Mon, 13 Nov 2023 06:53:33 -0800 (PST) Received: by mail-lf1-x133.google.com with SMTP id 2adb3069b0e04-509c61e0cf4so5112314e87.2 for ; Mon, 13 Nov 2023 06:53:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1699887211; x=1700492011; 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=3mRz0RhXvXEDvxsQyGFzA2Dam68j7hbTQ8jEDNkV7Cw=; b=dx8NiN0PKia3f3DOJGnqv/Xwu0qJwQaVxU6+sxmyNfKiCq0Hcvi9ac4pGJjkACPQFR TPZX/2gNlO685kkohl42SddBsEh5Q2mldIPPX+w+rKbAZMrVyJDI5slY3P+B5zGZK4KA VbX871XJEiiGtXWRRjJcidOb4FTAvA8ymcwRZOBVj+n0MWDYTPgHo8pzUhvzr1FZuWvp lciz2SGH9sgl0zoouh2dfC6aUNFccMckVrFJykR3n1+kxH/Hs5Kz5Xa2DwfrTbRiHm8e ++1mIv+zPzxAA4CpbP3KY6dbUzk1F0nc2/ilQ8aToDFRiLe+anZoBmEtemXwCue68vRo yCVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699887211; x=1700492011; 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=3mRz0RhXvXEDvxsQyGFzA2Dam68j7hbTQ8jEDNkV7Cw=; b=kiWiUJDxKHdyOHMUGK/0iUVnetOZTbLg5mfnmF+iDS1rwLyAS7fKolVIu6nPEJOhlh sQpD/TsbbztXgWETmToQmSjKEey1+iVXMaMtclEZa5OAZShDxgYrwYlaltwT7VBZHw/e RWGAAfETL3/GNuStpk6YlnhUEoy+iMCvWB41NjNm5ou81Z15dplw3Z5+wSQITS48OcRA 9gbrNgvAT/DnubPYZZtc1U4p5Y2AgU/6zf0FgnY5Rw8Yu9B6GvxSqFfqF1LJsuhTJcyb RfC84KgQq3oly5MsSYFJy1N4XtCrq2F0QqFkuD3q7zP6gQWd6ECPOSFNsSDx49MSzIPQ mF3g== X-Gm-Message-State: AOJu0YwfVUu1mNn3Tr+AZZkWe3h5c6ea/Eva46/cK52qq1E1YXGUS+rh Trb1Ciz2fubnNsgSwTpJohw1g+KmOXa920k/8RXfZw== X-Google-Smtp-Source: AGHT+IGexvXHE9m92iJ8rHBEKfIRIdYbC12J7VLNjDkZ8FPbr7i6C9RDxa06fLL1FfG1wxc/8RUEZA== X-Received: by 2002:a19:2d4b:0:b0:507:9787:6776 with SMTP id t11-20020a192d4b000000b0050797876776mr4929444lft.5.1699887210818; Mon, 13 Nov 2023 06:53:30 -0800 (PST) Received: from eriador.lan (dzdqv0yyyyyyyyyyybcwt-3.rev.dnainternet.fi. [2001:14ba:a0db:1f00::8a5]) by smtp.gmail.com with ESMTPSA id x24-20020ac24898000000b0050794b05c8asm991429lfc.42.2023.11.13.06.53.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Nov 2023 06:53:29 -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 Subject: [PATCH 1/3] dt-bindings: connector: usb: add altmodes description Date: Mon, 13 Nov 2023 16:33:07 +0200 Message-ID: <20231113145328.42575-2-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231113145328.42575-1-dmitry.baryshkov@linaro.org> References: <20231113145328.42575-1-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. Signed-off-by: Dmitry Baryshkov --- .../bindings/connector/usb-connector.yaml | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml index 7c8a3e8430d3..9922622abf51 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml @@ -14,6 +14,30 @@ description: of a USB interface controller or a separate node when it is attached to both MUX and USB interface controller. +$defs: + altmode-desc: + type: object + description: + A single USB-C Alternative Mode as supported by the USB-C connector logic. + properties: + svid: + $ref: /schemas/types.yaml#/definitions/uint16 + description: Unique value assigned by USB-IF to the Vendor / AltMode. + vdo: + $ref: /schemas/types.yaml#/definitions/uint32 + description: VDO returned by Discover Modes USB PD command. + + altmodes-list: + descrption: List of Alternative Modes supported by the schematics on the + particular device. This is only necessary if there are no other means to + discover supported alternative modes (e.g. through the UCSI firmware + interface). + + patternProperties: + "^[a-z][a-z0-9]*$": + $ref: "#/$defs/altmode-desc" + unevaluatedProperties: false + properties: compatible: oneOf: @@ -171,6 +195,10 @@ properties: offer the power, Capability Mismatch is set. Required for power sink and power dual role. + altmodes: + $ref: "#/$defs/altmodes-list" + unevaluatedProperties: false + port: $ref: /schemas/graph.yaml#/properties/port description: OF graph bindings modeling a data bus to the connector, e.g. @@ -289,6 +317,13 @@ examples: compatible = "usb-c-connector"; label = "USB-C"; + altmodes { + displayport { + svid = /bits/ 16 <0xff01>; + vdo = <0x00001c46>; + }; + }; + ports { #address-cells = <1>; #size-cells = <0>;