From: Luca Weiss Date: Wed, 9 Jul 2025 14:55:14 +0000 (+0200) Subject: dt-bindings: phy: qcom,snps-eusb2-repeater: Document qcom,tune-res-fsdif X-Git-Tag: v6.18-rc1~62^2~41 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=791cfbe1c56076c9d3bcf856b5175bfbc9c5a2d4;p=thirdparty%2Fkernel%2Flinux.git dt-bindings: phy: qcom,snps-eusb2-repeater: Document qcom,tune-res-fsdif Document the FS Differential TX Output Resistance Tuning value found on the eUSB2 repeater on Qualcomm PMICs. The tuning values have special meanings, being different offsets of the resistance to the default value in Ohms but the exact meaning is not relevant here, as the correct tuning is determined by hardware engineers to make sure the electrical properties are as expected. Signed-off-by: Luca Weiss Reviewed-by: Rob Herring (Arm) Link: https://lore.kernel.org/r/20250709-sm7635-eusb-repeater-v2-1-b6eff075c097@fairphone.com Signed-off-by: Vinod Koul --- diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml index 27f064a71c9f..6bfd11657e29 100644 --- a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml @@ -52,6 +52,12 @@ properties: minimum: 0 maximum: 7 + qcom,tune-res-fsdif: + $ref: /schemas/types.yaml#/definitions/uint8 + description: FS Differential TX Output Resistance Tuning + minimum: 0 + maximum: 7 + required: - compatible - reg