On disco and eval board, Tx and Rx delay are applied (pull-up of 4.7k put on VDD) so which correspond to RGMII-ID mode with internal RX and TX delays provided by the PHY, the MAC should not add the RX or TX delays in this case Signed-off-by: Christophe Roullier <christophe.roullier@xxxxxx> --- arch/arm/boot/dts/stm32mp157a-dk1.dts | 2 +- arch/arm/boot/dts/stm32mp157c-ev1.dts | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts index 098dbfb06b61..2c105740dfad 100644 --- a/arch/arm/boot/dts/stm32mp157a-dk1.dts +++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts @@ -51,7 +51,7 @@ pinctrl-0 = <ðernet0_rgmii_pins_a>; pinctrl-1 = <ðernet0_rgmii_pins_sleep_a>; pinctrl-names = "default", "sleep"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; max-speed = <1000>; phy-handle = <&phy0>; diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts index b6aca40b9b90..ab1393caf799 100644 --- a/arch/arm/boot/dts/stm32mp157c-ev1.dts +++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts @@ -79,7 +79,7 @@ pinctrl-0 = <ðernet0_rgmii_pins_a>; pinctrl-1 = <ðernet0_rgmii_pins_sleep_a>; pinctrl-names = "default", "sleep"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; max-speed = <1000>; phy-handle = <&phy0>; -- 2.17.1