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([144.202.86.13]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22c33febfb3sm12033385ad.259.2025.04.16.05.04.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Apr 2025 05:04:34 -0700 (PDT) From: Pengyu Luo To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Pengyu Luo , Stephen Rothwell , Abel Vesa Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: phy: qcom,snps-eusb2-repeater: Add more tuning overrides Date: Wed, 16 Apr 2025 20:02:00 +0800 Message-ID: <20250416120201.244133-2-mitltlatltl@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250416120201.244133-1-mitltlatltl@gmail.com> References: <20250416120201.244133-1-mitltlatltl@gmail.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In downstream tree, many registers need to be overridden, it varies from devices and platforms, not only HS trasmit amplitude(0x51), HS disconnect threshold(0x53), Tx pre-emphasis tuning(0x57). And some devices require different overrides for different dr_mode. So add property entries for host mode, original entries will be used for device mode. Signed-off-by: Pengyu Luo --- .../phy/qcom,snps-eusb2-repeater.yaml | 41 +++++++++++++++++-- 1 file changed, 38 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml index d16a543a7..d0f5e770d 100644 --- a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml @@ -36,25 +36,60 @@ properties: qcom,tune-usb2-disc-thres: $ref: /schemas/types.yaml#/definitions/uint8 - description: High-Speed disconnect threshold + description: High-Speed disconnect threshold for device mode minimum: 0 maximum: 7 default: 0 qcom,tune-usb2-amplitude: $ref: /schemas/types.yaml#/definitions/uint8 - description: High-Speed transmit amplitude + description: High-Speed transmit amplitude for device mode minimum: 0 maximum: 15 default: 8 qcom,tune-usb2-preem: $ref: /schemas/types.yaml#/definitions/uint8 - description: High-Speed TX pre-emphasis tuning + description: High-Speed TX pre-emphasis tuning for device mode minimum: 0 maximum: 7 default: 5 + qcom,tune-usb2-squelch: + $ref: /schemas/types.yaml#/definitions/uint8 + description: Squelch detection threshold tuning for device mode + minimum: 0 + maximum: 7 + default: 3 + + qcom,tune-usb2-disc-thres-host: + $ref: /schemas/types.yaml#/definitions/uint8 + description: High-Speed disconnect threshold for host mode + minimum: 0 + maximum: 7 + default: 0 + + qcom,tune-usb2-amplitude-host: + $ref: /schemas/types.yaml#/definitions/uint8 + description: High-Speed transmit amplitude for host mode + minimum: 0 + maximum: 15 + default: 8 + + qcom,tune-usb2-preem-host: + $ref: /schemas/types.yaml#/definitions/uint8 + description: High-Speed TX pre-emphasis tuning for host mode + minimum: 0 + maximum: 7 + default: 5 + + qcom,tune-usb2-squelch-host: + $ref: /schemas/types.yaml#/definitions/uint8 + description: Squelch detection threshold tuning for host mode + minimum: 0 + maximum: 7 + default: 3 + required: - compatible - reg -- 2.49.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5FFEBC369BD for ; 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([144.202.86.13]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22c33febfb3sm12033385ad.259.2025.04.16.05.04.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Apr 2025 05:04:34 -0700 (PDT) From: Pengyu Luo To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Pengyu Luo , Stephen Rothwell , Abel Vesa Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: phy: qcom,snps-eusb2-repeater: Add more tuning overrides Date: Wed, 16 Apr 2025 20:02:00 +0800 Message-ID: <20250416120201.244133-2-mitltlatltl@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250416120201.244133-1-mitltlatltl@gmail.com> References: <20250416120201.244133-1-mitltlatltl@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250416_050436_446502_8EA67E31 X-CRM114-Status: UNSURE ( 8.67 ) X-CRM114-Notice: Please train this message. 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 In downstream tree, many registers need to be overridden, it varies from devices and platforms, not only HS trasmit amplitude(0x51), HS disconnect threshold(0x53), Tx pre-emphasis tuning(0x57). And some devices require different overrides for different dr_mode. So add property entries for host mode, original entries will be used for device mode. Signed-off-by: Pengyu Luo --- .../phy/qcom,snps-eusb2-repeater.yaml | 41 +++++++++++++++++-- 1 file changed, 38 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml index d16a543a7..d0f5e770d 100644 --- a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml @@ -36,25 +36,60 @@ properties: qcom,tune-usb2-disc-thres: $ref: /schemas/types.yaml#/definitions/uint8 - description: High-Speed disconnect threshold + description: High-Speed disconnect threshold for device mode minimum: 0 maximum: 7 default: 0 qcom,tune-usb2-amplitude: $ref: /schemas/types.yaml#/definitions/uint8 - description: High-Speed transmit amplitude + description: High-Speed transmit amplitude for device mode minimum: 0 maximum: 15 default: 8 qcom,tune-usb2-preem: $ref: /schemas/types.yaml#/definitions/uint8 - description: High-Speed TX pre-emphasis tuning + description: High-Speed TX pre-emphasis tuning for device mode minimum: 0 maximum: 7 default: 5 + qcom,tune-usb2-squelch: + $ref: /schemas/types.yaml#/definitions/uint8 + description: Squelch detection threshold tuning for device mode + minimum: 0 + maximum: 7 + default: 3 + + qcom,tune-usb2-disc-thres-host: + $ref: /schemas/types.yaml#/definitions/uint8 + description: High-Speed disconnect threshold for host mode + minimum: 0 + maximum: 7 + default: 0 + + qcom,tune-usb2-amplitude-host: + $ref: /schemas/types.yaml#/definitions/uint8 + description: High-Speed transmit amplitude for host mode + minimum: 0 + maximum: 15 + default: 8 + + qcom,tune-usb2-preem-host: + $ref: /schemas/types.yaml#/definitions/uint8 + description: High-Speed TX pre-emphasis tuning for host mode + minimum: 0 + maximum: 7 + default: 5 + + qcom,tune-usb2-squelch-host: + $ref: /schemas/types.yaml#/definitions/uint8 + description: Squelch detection threshold tuning for host mode + minimum: 0 + maximum: 7 + default: 3 + required: - compatible - reg -- 2.49.0 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy