Hi, > + /* pi6c pcie clock generator */ > + vcc3v3_pi6c: regulator-vcc3v3-pi6c { > + compatible = "regulator-fixed"; > + enable-active-high; > + gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>; Although both gpio and gpios can be used here, I tend to use gpio to keep it consistent with other parts. (vcc3v3_sd, vcc3v4_rf, vcc5v0_usb30_otg0 ...) > +&mdio1 { > + rgmii_phy1: ethernet-phy@0 { Only one rgmii phy I think '1' is not needed? Or `phy@address: ethernet-phy@address {` > + compatible = "ethernet-phy-ieee802.3-c22"; > + reg = <0x0>; The phy address should be 3. Can you try it? > + pinctrl-names = "default"; > + pinctrl-0 = <ð1_phy_rst>; Is pinctrl necessary here? > +&sdmmc1 { > + ... > + wifi: wifi@1 { > + ... > +&uart1 { > + ... > + bluetooth: bluetooth { No aliases needed. -- 2.25.1