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33 lines
947 B
33 lines
947 B
6 years ago
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From 671286dda990f9ca489f6dfac760b3468ad00f55 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 27 Nov 2018 16:55:14 +0000
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Subject: [PATCH 444/454] ARM: dts: bcm283x: Set downshift-after for Pi 3B+
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Enable the auto-downshift feature on Raspberry Pi 3B+ so that a link
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can eventually be established using a cable with pairs C and/or D
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missing or broken in a 1000Mbps-capable port.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi | 9 +++++++++
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1 file changed, 9 insertions(+)
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--- a/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi
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+++ b/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi
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@@ -27,6 +27,15 @@
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* led1 = 6:link10/100/activity
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*/
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microchip,led-modes = <1 6>;
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+
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+ mdio {
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+ #address-cells = <0x1>;
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+ #size-cells = <0x0>;
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+ eth_phy: ethernet-phy@1 {
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+ reg = <1>;
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+ microchip,downshift-after = <2>;
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+ };
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+ };
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};
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};
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};
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