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From: Catalin Popescu <catalin.popescu@leica-geosystems.com>
To: davem@davemloft.net,
kuba@kernel.org,
pabeni@redhat.com,
robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org,
conor+dt@kernel.org,
afd@ti.com,
andrew@lunn.ch,
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Cc: netdev@vger.kernel.org,
devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
bsp-development.geo@leica-geosystems.com,
m.felsch@pengutronix.de,
Catalin Popescu <catalin.popescu@leica-geosystems.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH v4 1/2] dt-bindings: net: dp83826: support TX data voltage
tuning
Date: Mon, 12 Feb 2024 08:46:48 +0100
Message-Id: <20240212074649.806812-1-catalin.popescu@leica-geosystems.com>
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[v4,1/2] dt-bindings: net: dp83826: support TX data voltage tuning
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Commit Message
POPESCU Catalin
Feb. 12, 2024, 7:46 a.m. UTC
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> --- Changes in v2: - squash the 2 DT bindings patches in one single patch - drop redundant "binding" from the DT bindings patch title - rename DT properties and define them as percentage - add default value for each new DT property Changes in v3: - rename properties to "-bp" and change their admissible values accordingly Changes in v4: - add reviewed-by tag --- .../devicetree/bindings/net/ti,dp83822.yaml | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) base-commit: 1f719a2f3fa67665578c759ac34fd3d3690c1a20 prerequisite-patch-id: 0000000000000000000000000000000000000000
diff --git a/Documentation/devicetree/bindings/net/ti,dp83822.yaml b/Documentation/devicetree/bindings/net/ti,dp83822.yaml index db74474207ed..8f4350be689c 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