u-boot/arch/riscv/dts/ae350.dts

/dts-v1/;

/ {
  #address-cells = <2>;
  #size-cells = <2>;
  compatible = "andestech,ax25";
  model = "andestech,ax25";

	aliases {
		uart0 = &serial0;
		spi0 = &spi;
	} ;

	chosen {
		bootargs = "console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0xf0300000 debug loglevel=7";
		stdout-path = "uart0:38400n8";
  };

  cpus {
    #address-cells = <1>;
    #size-cells = <0>;
    timebase-frequency = <10000000>;
    CPU0: cpu@0 {
      device_type = "cpu";
      reg = <0>;
      status = "okay";
      compatible = "riscv";
      riscv,isa = "rv64imafdc";
      mmu-type = "riscv,sv39";
      clock-frequency = <60000000>;
      CPU0_intc: interrupt-controller {
        #interrupt-cells = <1>;
        interrupt-controller;
        compatible = "riscv,cpu-intc";
      };
    };
	};

	memory@0 {
		device_type = "memory";
    reg = <0x0 0x00000000 0x0 0x40000000>;
	};

  soc {
    #address-cells = <2>;
    #size-cells = <2>;
    compatible = "andestech,riscv-ae350-soc";
    ranges;
	};

  plmt0@e6000000 {
    compatible = "riscv,plmt0";
    interrupts-extended = <&CPU0_intc 7>;
    reg = <0x0 0xe6000000 0x0 0x100000>;
		};

  plic0: interrupt-controller@e4000000 {
    compatible = "riscv,plic0";
    #address-cells = <2>;
    #interrupt-cells = <2>;
    interrupt-controller;
    reg = <0x0 0xe4000000 0x0 0x2000000>;
    riscv,ndev=<31>;
    interrupts-extended = <&CPU0_intc 11 &CPU0_intc 9>;
	};

  plic1: interrupt-controller@e6400000 {
    compatible = "riscv,plic1";
    #address-cells = <2>;
    #interrupt-cells = <2>;
		interrupt-controller;
    reg = <0x0 0xe6400000 0x0 0x400000>;
    riscv,ndev=<1>;
    interrupts-extended = <&CPU0_intc 3>;
  };

  spiclk: virt_100mhz {
    #clock-cells = <0>;
    compatible = "fixed-clock";
    clock-frequency = <100000000>;
  };

  timer0: timer@f0400000 {
    compatible = "andestech,atcpit100";
    reg = <0x0 0xf0400000 0x0 0x1000>;
    clock-frequency = <40000000>;
    interrupts = <3 4>;
    interrupt-parent = <&plic0>;
	};

	serial0: serial@f0300000 {
		compatible = "andestech,uart16550", "ns16550a";
    reg = <0x0 0xf0300000 0x0 0x1000>;
    interrupts = <9 4>;
		clock-frequency = <19660800>;
		reg-shift = <2>;
		reg-offset = <32>;
		no-loopback-test = <1>;
    interrupt-parent = <&plic0>;
	};

	mac0: mac@e0100000 {
		compatible = "andestech,atmac100";
    reg = <0x0 0xe0100000 0x0 0x1000>;
    interrupts = <19 4>;
    interrupt-parent = <&plic0>;
	};

	mmc0: mmc@f0e00000 {
    compatible = "andestech,atfsdc010";
		max-frequency = <100000000>;
    clock-freq-min-max = <400000 100000000>;
		fifo-depth = <0x10>;
    reg = <0x0 0xf0e00000 0x0 0x1000>;
    interrupts = <18 4>;
		cap-sd-highspeed;
    interrupt-parent = <&plic0>;
	};

  smc0: smc@e0400000 {
    compatible = "andestech,atfsmc020";
    reg = <0x0 0xe0400000 0x0 0x1000>;
  };

  nor@0,0 {
    compatible = "cfi-flash";
    reg = <0x0 0x88000000 0x0 0x1000>;
    bank-width = <2>;
    device-width = <1>;
  };

	spi: spi@f0b00000 {
		compatible = "andestech,atcspi200";
    reg = <0x0 0xf0b00000 0x0 0x1000>;
		#address-cells = <1>;
		#size-cells = <0>;
		num-cs = <1>;
		clocks = <&spiclk>;
		interrupts = <3 4>;
    interrupt-parent = <&plic0>;
			flash@0 {
			compatible = "spi-flash";
			spi-max-frequency = <50000000>;
			reg = <0>;
			spi-cpol;
			spi-cpha;
		};
	};
};