[U-Boot] [PATCH 2/6] rockchip: dts: rk3399-evb: Change the tx/rx delay value for transmission quality

Give the mac controller the correct tx-delay and rx-delay value for the rgmii mode transmission. If they are not matched, there would be Ethernet packets lost, the net feature may not work.

Signed-off-by: David Wu david.wu@rock-chips.com ---

arch/arm/dts/rk3399-evb.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/rk3399-evb.dts b/arch/arm/dts/rk3399-evb.dts index be0c6d9..13958b8 100644 --- a/arch/arm/dts/rk3399-evb.dts +++ b/arch/arm/dts/rk3399-evb.dts @@ -272,7 +272,7 @@ assigned-clock-parents = <&clkin_gmac>; pinctrl-names = "default"; pinctrl-0 = <&rgmii_pins>; - tx_delay = <0x10>; - rx_delay = <0x10>; + tx_delay = <0x28>; + rx_delay = <0x11>; status = "okay"; };