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35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
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From 2d146c6e550a4fb7f24ca44739cf14594cc2f892 Mon Sep 17 00:00:00 2001
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From: Samin Guo <samin.guo@starfivetech.com>
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Date: Tue, 25 Apr 2023 18:51:15 +0800
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Subject: [PATCH 049/122] dt-bindings: net: motorcomm: Add pad driver strength
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cfg
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The motorcomm phy (YT8531) supports the ability to adjust the drive
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strength of the rx_clk/rx_data, the value range of pad driver
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strength is 0 to 7.
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Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
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---
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.../devicetree/bindings/net/motorcomm,yt8xxx.yaml | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
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+++ b/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
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@@ -18,6 +18,16 @@ properties:
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- ethernet-phy-id4f51.e91a
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- ethernet-phy-id4f51.e91b
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+ rx-clk-driver-strength:
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+ description: drive strength of rx_clk pad.
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+ enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
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+ default: 3
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+
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+ rx-data-driver-strength:
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+ description: drive strength of rxd/rx_ctl rgmii pad.
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+ enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
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+ default: 3
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+
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rx-internal-delay-ps:
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description: |
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RGMII RX Clock Delay used only when PHY operates in RGMII mode with
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