The ethernet phy of rk3066a-rayeager has a reset pin, it controlled by GPIO1_D6, this pin should be pull down then pull up to reset the phy. Add a phy-reset property in emac, make the phy can be reset when emac power on. Signed-off-by: Chris Zhong <zyw@xxxxxxxxxxxxxx> --- arch/arm/boot/dts/rk3066a-rayeager.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/rk3066a-rayeager.dts b/arch/arm/boot/dts/rk3066a-rayeager.dts index 570157f..6064a0a 100644 --- a/arch/arm/boot/dts/rk3066a-rayeager.dts +++ b/arch/arm/boot/dts/rk3066a-rayeager.dts @@ -173,6 +173,8 @@ pinctrl-0 = <&emac_xfer>, <&emac_mdio>, <&rmii_rst>; phy = <&phy0>; phy-supply = <&vcc_rmii>; + phy-reset-gpios = <&gpio1 RK_PD6 GPIO_ACTIVE_LOW>; /* PHY_RST */ + phy-reset-duration = <10>; /* millisecond */ status = "okay"; phy0: ethernet-phy@0 { -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html