target/linux/bcm27xx/patches-5.10/950-0719-ARM-dts-Correct-CM4-PHY-MDIO-address.patch

   1 From d0edf1b5178fc3a3ef093755c209cad43e6d8426 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.com>
   3 Date: Mon, 26 Jul 2021 13:24:09 +0100
   4 Subject: [PATCH] ARM: dts: Correct CM4 PHY MDIO address
   5
   6 The firmware patches the PHY MDIO address in the DTB to cope with
   7 variations between board revisions, but the default for the CM4 PHY
   8 is currently 1 when it should be 0.
   9
  10 Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
  11 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
  12 ---
  13  arch/arm/boot/dts/bcm2711-rpi-cm4.dts | 4 ++--
  14  1 file changed, 2 insertions(+), 2 deletions(-)
  15
  16 --- a/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
  17 +++ b/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
  18 @@ -277,9 +277,9 @@
  19  };
  20
  21  &genet_mdio {
  22 -       phy1: ethernet-phy@1 {
  23 +       phy1: ethernet-phy@0 {
  24                 /* No PHY interrupt */
  25 -               reg = <0x1>;
  26 +               reg = <0x0>;
  27         };
  28  };
  29