调试RTL8201F提示“sunxi-gmac 4500000.eth eth0: No PHY found!”

[glorystar]

A133 android平台 kernel5.4 调试以太网，网卡芯片用的RTL8201F百兆，提示“sunxi-gmac 4500000.eth eth0: No PHY found!”，复位信号有了，晶振有也有起震，帮忙看下，多谢！下面是dts配置。

sun50iw10p1.dtsi
gmac0: eth@4500000 {
			compatible = "allwinner,sunxi-gmac";
			reg = <0x0 0x04500000 0x0 0x10000>,
			      <0x0 0x03000030 0x0 0x4>;
			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "gmacirq";
			clocks = <&ccu CLK_BUS_EMAC0>, <&ccu CLK_EMAC0_25M>;
			clock-names = "gmac", "ephy";
			resets = <&ccu RST_BUS_EMAC0>;
			device_type = "gmac0";
			pinctrl-0 = <&gmac_pins_a>;
			pinctrl-1 = <&gmac_pins_b>;
			pinctrl-names = "default","sleep";
			phy-mode;
			use_ephy25m;
			tx-delay = <7>;
			rx-delay = <31>;
			phy-rst = <&pio PB 6 GPIO_ACTIVE_LOW>;
			gmac-power0;
			gmac-power1;
			gmac-power2;
			status = "disabled";
		};
gmac_pins_a: gmac@0 {
				pins = "PH0", "PH1", "PH2", "PH3",
						 "PH4", "PH5", "PH6", "PH7",
						 "PH9", "PH10", "PH13", "PH14",
						 "PH15", "PH16", "PH17", "PH18";
				function = "gmac0";
				drive-strength = <30>;
			};

gmac_pins_b: gmac@1 {
				pins = "PH0", "PH1", "PH2", "PH3",
						 "PH4", "PH5", "PH6", "PH7",
						 "PH9", "PH10", "PH13", "PH14",
						 "PH15", "PH16", "PH17", "PH18";
				function = "gpio_in";
			};
board.dts
&gmac0 {
		phy-mode = "rmii";
		use_ephy25m = <1>;
		status = "okay";
	};