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[62.108.10.64]) by smtp.gmail.com with ESMTPSA id h7-20020a1709063c0700b0099c53c4407dsm1226701ejg.78.2023.10.20.03.35.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Oct 2023 03:35:50 -0700 (PDT) From: Luca Weiss Date: Fri, 20 Oct 2023 12:35:46 +0200 Subject: [PATCH v2 1/2] dt-bindings: usb: add NXP PTN36502 Type-C redriver bindings MIME-Version: 1.0 Message-Id: <20231020-ptn36502-v2-1-b37a337d463e@fairphone.com> References: <20231020-ptn36502-v2-0-b37a337d463e@fairphone.com> In-Reply-To: <20231020-ptn36502-v2-0-b37a337d463e@fairphone.com> To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heikki Krogerus , Liam Girdwood , Mark Brown , Dmitry Baryshkov Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Luca Weiss , Krzysztof Kozlowski X-Mailer: b4 0.12.3 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.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 (fry.vger.email [0.0.0.0]); Fri, 20 Oct 2023 03:36:32 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780270441873788272 X-GMAIL-MSGID: 1780270441873788272 Document bindings for this Type-C USB 3.1 Gen 1 and DisplayPort v1.2 combo redriver. The PTN36502 can also run in GPIO mode where it is configured differently, without any I2C connection, but this is not supported yet. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Luca Weiss --- .../devicetree/bindings/usb/nxp,ptn36502.yaml | 94 ++++++++++++++++++++++ 1 file changed, 94 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/nxp,ptn36502.yaml b/Documentation/devicetree/bindings/usb/nxp,ptn36502.yaml new file mode 100644 index 000000000000..eee548ac1abe --- /dev/null +++ b/Documentation/devicetree/bindings/usb/nxp,ptn36502.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/nxp,ptn36502.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP PTN36502 Type-C USB 3.1 Gen 1 and DisplayPort v1.2 combo redriver + +maintainers: + - Luca Weiss + +properties: + compatible: + enum: + - nxp,ptn36502 + + reg: + maxItems: 1 + + vdd18-supply: + description: Power supply for VDD18 pin + + retimer-switch: + description: Flag the port as possible handle of SuperSpeed signals retiming + type: boolean + + orientation-switch: + description: Flag the port as possible handler of orientation switching + type: boolean + + ports: + $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 + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Super Speed (SS) Input endpoint from the Super-Speed PHY + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: + Sideband Use (SBU) AUX lines endpoint to the Type-C connector for the purpose of + handling altmode muxing and orientation switching. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + typec-mux@1a { + compatible = "nxp,ptn36502"; + reg = <0x1a>; + + vdd18-supply = <&usb_redrive_1v8>; + + retimer-switch; + orientation-switch; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + usb_con_ss: endpoint { + remote-endpoint = <&typec_con_ss>; + }; + }; + port@1 { + reg = <1>; + phy_con_ss: endpoint { + remote-endpoint = <&usb_phy_ss>; + }; + }; + port@2 { + reg = <2>; + usb_con_sbu: endpoint { + remote-endpoint = <&typec_dp_aux>; + }; + }; + }; + }; + }; +...