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[34.125.73.210]) by smtp.gmail.com with UTF8SMTPSA id 41be03b00d2f7-7d22e9d77f2sm5333884a12.89.2024.08.31.21.07.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 31 Aug 2024 21:07:27 -0700 (PDT) From: Stephen Boyd To: chrome-platform@lists.linux.dev Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev, devicetree@vger.kernel.org, Douglas Anderson , Pin-yen Lin , Andrzej Hajda , Benson Leung , Conor Dooley , Daniel Vetter , David Airlie , Dmitry Baryshkov , dri-devel@lists.freedesktop.org, Guenter Roeck , Jernej Skrabec , Jonas Karlman , Krzysztof Kozlowski , Laurent Pinchart , Lee Jones , Maarten Lankhorst , Maxime Ripard , Neil Armstrong , Prashant Malani , Robert Foss , Rob Herring , Thomas Zimmermann , Tzung-Bi Shih , Alexandre Belloni , Andy Shevchenko , Daniel Scally , Greg Kroah-Hartman , Heikki Krogerus , Ivan Orlov , linux-acpi@vger.kernel.org, linux-usb@vger.kernel.org, Mika Westerberg , "Rafael J . Wysocki" , Sakari Ailus , Vinod Koul , "Rob Herring (Arm)" Subject: [PATCH v4 12/18] dt-bindings: usb-switch: Extract endpoints to defs Date: Sat, 31 Aug 2024 21:06:50 -0700 Message-ID: <20240901040658.157425-13-swboyd@chromium.org> X-Mailer: git-send-email 2.46.0.469.g59c65b2a67-goog In-Reply-To: <20240901040658.157425-1-swboyd@chromium.org> References: <20240901040658.157425-1-swboyd@chromium.org> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Move the usb-switch endpoint bindings to defs so that they can be reused by other bindings. Future users of this binding will have more than one type-c output node when they're muxing a single DP signal to more than one usb-c-connector. Add an example to show how this binding can be used and accelerate binding checks. Reviewed-by: Rob Herring (Arm) Cc: Krzysztof Kozlowski Cc: Conor Dooley Cc: Benson Leung Cc: Guenter Roeck Cc: Prashant Malani Cc: Tzung-Bi Shih Cc: Cc: Cc: Pin-yen Lin Signed-off-by: Stephen Boyd --- .../devicetree/bindings/usb/usb-switch.yaml | 74 +++++++++++++++---- 1 file changed, 61 insertions(+), 13 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/usb-switch.yaml b/Documentation/devicetree/bindings/usb/usb-switch.yaml index da76118e73a5..f5dc7e23b134 100644 --- a/Documentation/devicetree/bindings/usb/usb-switch.yaml +++ b/Documentation/devicetree/bindings/usb/usb-switch.yaml @@ -35,9 +35,12 @@ properties: $ref: /schemas/graph.yaml#/properties/ports properties: port@0: - $ref: /schemas/graph.yaml#/properties/port - description: - Super Speed (SS) Output endpoint to the Type-C connector + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + + properties: + endpoint: + $ref: '#/$defs/usbc-out-endpoint' port@1: $ref: /schemas/graph.yaml#/$defs/port-base @@ -47,16 +50,7 @@ properties: properties: endpoint: - $ref: /schemas/graph.yaml#/$defs/endpoint-base - unevaluatedProperties: false - properties: - data-lanes: - $ref: /schemas/types.yaml#/definitions/uint32-array - minItems: 1 - maxItems: 8 - uniqueItems: true - items: - maximum: 8 + $ref: '#/$defs/usbc-in-endpoint' oneOf: - required: @@ -65,3 +59,57 @@ oneOf: - ports additionalProperties: true + +$defs: + usbc-out-endpoint: + $ref: /schemas/graph.yaml#/$defs/endpoint-base + description: Super Speed (SS) output endpoint to a type-c connector + unevaluatedProperties: false + + usbc-in-endpoint: + $ref: /schemas/graph.yaml#/$defs/endpoint-base + description: Super Speed (SS) input endpoint from the Super Speed PHY + unevaluatedProperties: false + properties: + data-lanes: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 8 + uniqueItems: true + items: + maximum: 8 + +examples: + # A USB orientation switch which flips the pin orientation + # for a usb-c-connector node. + - | + device { + orientation-switch; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + endpoint { + remote-endpoint = <&usb_c_connector>; + }; + }; + + port@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + endpoint { + remote-endpoint = <&usb_ss_phy>; + }; + }; + }; + }; + +...