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 Acked-by: Philipp Tomsich philipp.tomsich@theobroma-systems.com Reviewed-by: Philipp Tomsich philipp.tomsich@theobroma-systems.com ---
Changes in v3: - None
Changes in v2: - None
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 f0567c9..ed0e00e 100644 --- a/arch/arm/dts/rk3399-evb.dts +++ b/arch/arm/dts/rk3399-evb.dts @@ -279,7 +279,7 @@ 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"; };