linux_dsm_epyc7002/arch/arm/boot/dts/gemini.dtsi

/*
 * Device Tree file for Cortina systems Gemini SoC
 */

/include/ "skeleton.dtsi"

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>

/ {
	soc {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;
		compatible = "simple-bus";
		interrupt-parent = <&intcon>;

		flash@30000000 {
			compatible = "cortina,gemini-flash", "cfi-flash";
			syscon = <&syscon>;
			bank-width = <2>;
			#address-cells = <1>;
			#size-cells = <1>;
			status = "disabled";
		};

		syscon: syscon@40000000 {
			compatible = "cortina,gemini-syscon",
				     "syscon", "simple-mfd";
			reg = <0x40000000 0x1000>;
			#clock-cells = <1>;
			#reset-cells = <1>;

			syscon-reboot {
				compatible = "syscon-reboot";
				regmap = <&syscon>;
				/* GLOBAL_RESET register */
				offset = <0x0c>;
				/* RESET_GLOBAL | RESET_CPU1 */
				mask = <0xC0000000>;
			};
		};

		watchdog@41000000 {
			compatible = "cortina,gemini-watchdog";
			reg = <0x41000000 0x1000>;
			interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
			resets = <&syscon 23>;
			clocks = <&syscon 2>;
		};

		uart0: serial@42000000 {
			compatible = "ns16550a";
			reg = <0x42000000 0x100>;
			resets = <&syscon 18>;
			clocks = <&syscon 6>;
			interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
			reg-shift = <2>;
		};

		timer@43000000 {
			compatible = "faraday,fttmr010";
			reg = <0x43000000 0x1000>;
			interrupt-parent = <&intcon>;
			interrupts = <14 IRQ_TYPE_EDGE_FALLING>, /* Timer 1 */
				     <15 IRQ_TYPE_EDGE_FALLING>, /* Timer 2 */
				     <16 IRQ_TYPE_EDGE_FALLING>; /* Timer 3 */
			resets = <&syscon 17>;
			/* APB clock or RTC clock */
			clocks = <&syscon 2>, <&syscon 0>;
			clock-names = "PCLK", "EXTCLK";
			syscon = <&syscon>;
		};

		rtc@45000000 {
			compatible = "cortina,gemini-rtc";
			reg = <0x45000000 0x100>;
			interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
			resets = <&syscon 16>;
			clocks = <&syscon 2>, <&syscon 0>;
			clock-names = "PCLK", "EXTCLK";
		};

		intcon: interrupt-controller@48000000 {
			compatible = "faraday,ftintc010";
			reg = <0x48000000 0x1000>;
			resets = <&syscon 14>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		power-controller@4b000000 {
			compatible = "cortina,gemini-power-controller";
			reg = <0x4b000000 0x100>;
			interrupts = <26 IRQ_TYPE_EDGE_RISING>;
		};

		gpio0: gpio@4d000000 {
			compatible = "cortina,gemini-gpio", "faraday,ftgpio010";
			reg = <0x4d000000 0x100>;
			interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;
			resets = <&syscon 20>;
			clocks = <&syscon 2>;
			gpio-controller;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		gpio1: gpio@4e000000 {
			compatible = "cortina,gemini-gpio", "faraday,ftgpio010";
			reg = <0x4e000000 0x100>;
			interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;
			resets = <&syscon 21>;
			clocks = <&syscon 2>;
			gpio-controller;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		gpio2: gpio@4f000000 {
			compatible = "cortina,gemini-gpio", "faraday,ftgpio010";
			reg = <0x4f000000 0x100>;
			interrupts = <24 IRQ_TYPE_LEVEL_HIGH>;
			resets = <&syscon 22>;
			clocks = <&syscon 2>;
			gpio-controller;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		pci@50000000 {
			compatible = "cortina,gemini-pci", "faraday,ftpci100";
			/*
			 * The first 256 bytes in the IO range is actually used
			 * to configure the host bridge.
			 */
			reg = <0x50000000 0x100>;
			resets = <&syscon 7>;
			clocks = <&syscon 15>, <&syscon 4>;
			clock-names = "PCLK", "PCICLK";
			#address-cells = <3>;
			#size-cells = <2>;
			#interrupt-cells = <1>;
			status = "disabled";

			bus-range = <0x00 0xff>;
			/* PCI ranges mappings */
			ranges =
			/* 1MiB I/O space 0x50000000-0x500fffff */
			<0x01000000 0 0          0x50000000 0 0x00100000>,
			/* 128MiB non-prefetchable memory 0x58000000-0x5fffffff */
			<0x02000000 0 0x58000000 0x58000000 0 0x08000000>;

			/* DMA ranges */
			dma-ranges =
			/* 128MiB at 0x00000000-0x07ffffff */
			<0x02000000 0 0x00000000 0x00000000 0 0x08000000>,
			/* 64MiB at 0x00000000-0x03ffffff */
			<0x02000000 0 0x00000000 0x00000000 0 0x04000000>,
			/* 64MiB at 0x00000000-0x03ffffff */
			<0x02000000 0 0x00000000 0x00000000 0 0x04000000>;

			/*
			 * This PCI host bridge variant has a cascaded interrupt
			 * controller embedded in the host bridge.
			 */
			pci_intc: interrupt-controller {
				interrupt-parent = <&intcon>;
				interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
				interrupt-controller;
				#address-cells = <0>;
				#interrupt-cells = <1>;
			};
		};

		dma-controller@67000000 {
			compatible = "faraday,ftdma020", "arm,pl080", "arm,primecell";
			/* Faraday Technology FTDMAC020 variant */
			arm,primecell-periphid = <0x0003b080>;
			reg = <0x67000000 0x1000>;
			interrupts = <9 IRQ_TYPE_EDGE_RISING>;
			resets = <&syscon 10>;
			clocks = <&syscon 1>;
			clock-names = "apb_pclk";
			/* Bus interface AHB1 (AHB0) is totally tilted */
			lli-bus-interface-ahb2;
			mem-bus-interface-ahb2;
			memcpy-burst-size = <256>;
			memcpy-bus-width = <32>;
			#dma-cells = <2>;
		};
	};
};