From a0b9fe9f3cd79bee2f7f1755310435792942435f Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Fri, 23 Apr 2021 15:02:58 +0100
Subject: [PATCH] ARM: dts: bcm2711-rpi-400: Limit MDIO clock speed
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
arch/arm/boot/dts/bcm2711-rpi-400.dts | 4 ++++
1 file changed, 4 insertions(+)
--- a/arch/arm/boot/dts/bcm2711-rpi-400.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-400.dts
@@ -616,6 +616,10 @@
brcm,disable-headphones = <1>;
};
+&genet_mdio {
+ clock-frequency = <1950000>;
+};
+
/ {
__overrides__ {
act_led_gpio = <&act_led>,"gpios:4";