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dt-bindings: net: dp83826: support TX data voltage tuning

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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 <krzysztof.kozlowski@linaro.org>
Signed-off-by: Catalin Popescu <catalin.popescu@leica-geosystems.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Catalin Popescu 2024-02-13 09:07:04 +01:00 committed by David S. Miller
parent 7c754e6a6c
commit ed1d7dac08
1 changed files with 18 additions and 0 deletions
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18
Documentation/devicetree/bindings/net/ti,dp83822.yaml
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@ -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