From: Catalin Popescu Date: Tue, 13 Feb 2024 08:07:04 +0000 (+0100) Subject: dt-bindings: net: dp83826: support TX data voltage tuning X-Git-Tag: v6.9-rc1~159^2~256 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ed1d7dac08c532a23dd1da62451b40dbe1305dbd;p=thirdparty%2Fkernel%2Flinux.git dt-bindings: net: dp83826: support TX data voltage tuning Add properties ti,cfg-dac-minus-one-bp/ti,cfg-dac-plus-one-bp to support voltage tuning of logical levels -1/+1 of the MLT-3 encoded TX data. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Catalin Popescu Signed-off-by: David S. Miller --- diff --git a/Documentation/devicetree/bindings/net/ti,dp83822.yaml b/Documentation/devicetree/bindings/net/ti,dp83822.yaml index db74474207ed4..8f4350be689c5 100644 --- a/Documentation/devicetree/bindings/net/ti,dp83822.yaml +++ b/Documentation/devicetree/bindings/net/ti,dp83822.yaml @@ -62,6 +62,24 @@ properties: for the PHY. The internal delay for the PHY is fixed to 3.5ns relative to transmit data. + ti,cfg-dac-minus-one-bp: + description: | + DP83826 PHY only. + Sets the voltage ratio (with respect to the nominal value) + of the logical level -1 for the MLT-3 encoded TX data. + enum: [5000, 5625, 6250, 6875, 7500, 8125, 8750, 9375, 10000, + 10625, 11250, 11875, 12500, 13125, 13750, 14375, 15000] + default: 10000 + + ti,cfg-dac-plus-one-bp: + description: | + DP83826 PHY only. + Sets the voltage ratio (with respect to the nominal value) + of the logical level +1 for the MLT-3 encoded TX data. + enum: [5000, 5625, 6250, 6875, 7500, 8125, 8750, 9375, 10000, + 10625, 11250, 11875, 12500, 13125, 13750, 14375, 15000] + default: 10000 + required: - reg