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b=ZO9RHGVbtpfHNXzviqAu345MBTfgs3Mj0JvziDHVFd6VP7DHN8BXPZl8fQlMTSUv3 VdGNxQLmXJceXc5QounrVyFFRQFSIQt8Y3AxrVvQm2hN+5/PncJhz7SQavQkdtpW+6 ZbKUY3ZNT8Z6U+MhhNxxxkgbdsWLlLI3nWA/KKU2tCrX4DNJzNi8mg/QeqEm2SeI+Q 6TNPDoWo87fv4nYUjLQ7A/aq6IYGNwR/ziTksXiOcjMmSjU/pwaopBjq00MGFWLLm4 Z09dOwpHXjB/rdY5QPnW1uHMkb63BLy6GJTyjEOhSuwYl675BCY2+w0Tqc7yFtXuOu p/lP27OPtGgww== Received: (nullmailer pid 1271313 invoked by uid 1000); Thu, 14 Sep 2023 14:48:07 -0000 Date: Thu, 14 Sep 2023 09:48:07 -0500 From: Rob Herring To: Konrad Dybcio Cc: Andy Gross , Bjorn Andersson , Vinod Koul , Kishon Vijay Abraham I , Krzysztof Kozlowski , Conor Dooley , Abel Vesa , Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/4] dt-bindings: phy: qcom,snps-eusb2-repeater: Add magic tuning overrides Message-ID: <20230914144807.GA1267899-robh@kernel.org> References: <20230830-topic-eusb2_override-v2-0-7d8c893d93f6@linaro.org> <20230830-topic-eusb2_override-v2-1-7d8c893d93f6@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230830-topic-eusb2_override-v2-1-7d8c893d93f6@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230914_074813_466662_243A5754 X-CRM114-Status: GOOD ( 16.43 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Wed, Sep 13, 2023 at 11:53:23AM +0200, Konrad Dybcio wrote: > The EUSB2 repeater requires some alterations to its init sequence, > depending on board design. > > Add support for making the necessary changes to that sequence to make USB > functional on SM8550-based Xperia 1 V. > > They all have lackluster description due to lack of information. > > Signed-off-by: Konrad Dybcio > --- > .../bindings/phy/qcom,snps-eusb2-repeater.yaml | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml > index 029569d5fcf3..24c733c10e0e 100644 > --- a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml > +++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml > @@ -32,6 +32,27 @@ properties: > > vdd3-supply: true > > + qcom,tune-usb2-disc-thres: > + $ref: /schemas/types.yaml#/definitions/uint8 > + description: High-Speed disconnect threshold > + minimum: 0 > + maximum: 7 > + default: 0 > + > + qcom,tune-usb2-amplitude: > + $ref: /schemas/types.yaml#/definitions/uint8 > + description: High-Speed trasmit amplitude > + minimum: 0 > + maximum: 15 > + default: 8 > + > + qcom,tune-usb2-preem: > + $ref: /schemas/types.yaml#/definitions/uint8 > + description: High-Speed TX pre-emphasis tuning > + minimum: 0 > + maximum: 7 > + default: 5 For what it is worth, the mediatek,tphy.yaml binding has the same properties... Acked-by: Rob Herring -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy