From 5e33f1c4a7cb914a003a304ab8eef705b17aabb7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= Date: Fri, 17 Dec 2021 00:03:19 +0800 Subject: [PATCH] ARM: dts: BCM5301X: correct RX delay and enable flow control on Asus RT-AC88U MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The current 'rx-internal-delay-ps' property value on the Realtek switch node, 2000, will be divided by 300, resulting in 6.66, which will be rounded to the closest step value, 7. Change it to 2100 to be accurate. See ef136837aaf6 ("net: dsa: rtl8365mb: set RGMII RX delay in steps of 0.3 ns") for reference. Flow control needs to be enabled on both sides of the internal and external switch. It is already enabled on the CPU port of the Realtek switch so we also enable it on the external switch port of the Broadcom switch as well. Signed-off-by: Arınç ÜNAL Signed-off-by: Florian Fainelli --- arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts +++ b/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts @@ -138,7 +138,7 @@ ethernet = <&sw0_p5>; phy-mode = "rgmii"; tx-internal-delay-ps = <2000>; - rx-internal-delay-ps = <2000>; + rx-internal-delay-ps = <2100>; fixed-link { speed = <1000>; @@ -213,6 +213,7 @@ fixed-link { speed = <1000>; full-duplex; + pause; }; };