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dcd2367349
This is an automatically generated commit which aids following Kernel patch history, as git will see the move and copy as a rename thus defeating the purpose. See: https://lists.openwrt.org/pipermail/openwrt-devel/2023-October/041673.html for the original discussion. Signed-off-by: Antonio Flores <antflores627@gmail.com>
41 lines
1.4 KiB
Diff
41 lines
1.4 KiB
Diff
From a2ac2a1b02590a22a236c43c455f421cdede45f5 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
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Date: Thu, 14 Mar 2024 15:24:35 +0300
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Subject: [PATCH] arm64: dts: rockchip: set PHY address of MT7531 switch to
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0x1f
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The MT7531 switch listens on PHY address 0x1f on an MDIO bus. I've got two
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findings that support this. There's no bootstrapping option to change the
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PHY address of the switch. The Linux driver hardcodes 0x1f as the PHY
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address of the switch. So the reg property on the device tree is currently
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ignored by the Linux driver.
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Therefore, describe the correct PHY address on Banana Pi BPI-R2 Pro that
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has this switch.
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Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
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Fixes: c1804463e5c6 ("arm64: dts: rockchip: Add mt7531 dsa node to BPI-R2-Pro board")
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Link: https://lore.kernel.org/r/20240314-for-rockchip-mt7531-phy-address-v1-1-743b5873358f@arinc9.com
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Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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---
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arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
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@@ -521,9 +521,9 @@
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#address-cells = <1>;
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#size-cells = <0>;
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- switch@0 {
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+ switch@1f {
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compatible = "mediatek,mt7531";
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- reg = <0>;
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+ reg = <0x1f>;
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ports {
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#address-cells = <1>;
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