nuttx-ox64/bl808-pine64-ox64.dts

/dts-v1/;

/ {
	compatible = "pine64,ox64\0bflb,bl808";
	#address-cells = <0x01>;
	#size-cells = <0x01>;
	model = "Pine64 Ox64";

	cpus {
		timebase-frequency = <0xf4240>;
		#address-cells = <0x01>;
		#size-cells = <0x00>;

		cpu@0 {
			compatible = "thead,c906\0riscv";
			device_type = "cpu";
			reg = <0x00>;
			d-cache-block-size = <0x40>;
			d-cache-sets = <0x100>;
			d-cache-size = <0x8000>;
			i-cache-block-size = <0x40>;
			i-cache-sets = <0x80>;
			i-cache-size = <0x8000>;
			mmu-type = "riscv,sv39";
			riscv,isa = "rv64imafdc";
			phandle = <0x07>;

			interrupt-controller {
				compatible = "riscv,cpu-intc";
				interrupt-controller;
				#address-cells = <0x00>;
				#interrupt-cells = <0x01>;
				phandle = <0x06>;
			};
		};
	};

	xtal-clk {
		compatible = "fixed-clock";
		clock-frequency = <0x2625a00>;
		clock-output-names = "xtal";
		#clock-cells = <0x00>;
		phandle = <0x04>;
	};

	sdh-clk {
		compatible = "fixed-clock";
		clock-frequency = <0x5b8d800>;
		clock-output-names = "sdh";
		#clock-cells = <0x00>;
		phandle = <0x05>;
	};

	soc {
		compatible = "simple-bus";
		ranges;
		interrupt-parent = <0x01>;
		dma-noncoherent;
		#address-cells = <0x01>;
		#size-cells = <0x01>;

		pinctrl@0x200008C4 {
			compatible = "bflb,pinctrl";
			reg = <0x200008c4 0x1000>;
			gpio-controller;
			#gpio-cells = <0x02>;
			gpio-ranges = <0x02 0x00 0x00 0x2e>;
			bflb,npins = <0x2e>;
			status = "okay";
			interrupt-controller;
			#interrupt-cells = <0x02>;
			interrupts-extended = <0x03 0x00 0x04 0x01>;
			phandle = <0x02>;

			sdh-pins {
				pins = "GPIO0\0GPIO1\0GPIO2\0GPIO3\0GPIO4\0GPIO5";
				function = "sdh";
				phandle = <0x08>;
			};
		};

		seceng@0x20004000 {
			compatible = "bflb,seceng";
			reg = <0x20004000 0x1000>;
			status = "okay";
			phandle = <0x09>;
		};

		serial@30002000 {
			compatible = "bflb,bl808-uart";
			reg = <0x30002000 0x1000>;
			interrupts = <0x14 0x04>;
			clocks = <0x04>;
			status = "okay";
			phandle = <0x0a>;
		};

		serial@0x2000AA00 {
			compatible = "bflb,bl808-uart";
			reg = <0x2000aa00 0x100>;
			interrupts-extended = <0x03 0x00 0x01 0x01>;
			mboxes = <0x03 0x00 0x01>;
			clocks = <0x04>;
			status = "okay";
			phandle = <0x0b>;
		};

		sdhci@20060000 {
			compatible = "bflb,bl808-sdhci";
			reg = <0x20060000 0x100>;
			interrupts-extended = <0x03 0x00 0x00 0x01>;
			mboxes = <0x03 0x00 0x00>;
			clocks = <0x05>;
			status = "okay";
			phandle = <0x0c>;
		};

		mailbox@30005000 {
			compatible = "bflb,bl808-ipc";
			reg = <0x30005000 0x20 0x30005020 0x20 0x2000a800 0x20 0x2000a820 0x20>;
			interrupts = <0x36 0x04>;
			interrupt-controller;
			#interrupt-cells = <0x03>;
			#mbox-cells = <0x02>;
			status = "okay";
			phandle = <0x03>;
		};

		interrupt-controller@e0000000 {
			compatible = "thead,c900-plic";
			reg = <0xe0000000 0x4000000>;
			interrupts-extended = <0x06 0xffffffff 0x06 0x09>;
			interrupt-controller;
			#address-cells = <0x00>;
			#interrupt-cells = <0x02>;
			riscv,ndev = <0x40>;
			phandle = <0x01>;
		};

		timer@e4000000 {
			compatible = "thead,c900-clint";
			reg = <0xe4000000 0xc000>;
			interrupts-extended = <0x06 0x03 0x06 0x07>;
			phandle = <0x0d>;
		};
	};

	aliases {
		serial0 = "/soc/serial@30002000";
		serial1 = "/soc/serial@0x2000AA00";
	};

	chosen {
		stdout-path = "serial0:2000000n8";
		bootargs = "console=ttyS0,2000000 loglevel=8 earlycon=sbi root=PARTLABEL=rootfs rootwait rootfstype=ext4";
		linux,initrd-start = <0x00 0x52000000>;
		linux,initrd-end = <0x00 0x52941784>;
	};

	memory@50000000 {
		device_type = "memory";
		reg = <0x50000000 0x4000000>;
	};

	xip_flash@58500000 {
		compatible = "mtd-rom";
		reg = <0x58500000 0x400000>;
		linux,mtd-name = "xip-flash.0";
		erase-size = <0x10000>;
		bank-width = <0x04>;
		#address-cells = <0x01>;
		#size-cells = <0x01>;
	};

	__symbols__ {
		cpu0 = "/cpus/cpu@0";
		cpu0_intc = "/cpus/cpu@0/interrupt-controller";
		xtal = "/xtal-clk";
		sdh = "/sdh-clk";
		pinctrl = "/soc/pinctrl@0x200008C4";
		sdh_pins = "/soc/pinctrl@0x200008C4/sdh-pins";
		seceng = "/soc/seceng@0x20004000";
		uart0 = "/soc/serial@30002000";
		uart1 = "/soc/serial@0x2000AA00";
		sdhci0 = "/soc/sdhci@20060000";
		ipclic = "/soc/mailbox@30005000";
		plic = "/soc/interrupt-controller@e0000000";
		clint = "/soc/timer@e4000000";
	};
};