openEuler_kernel_rk3588/arch/sw_64/boot/dts/chip3.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Default device tree;
 */

/dts-v1/;
/ {
		compatible = "sunway,chip3";
		model = "chip3";
		#address-cells = <2>;
		#size-cells = <2>;

	soc {
		compatible = "simple-bus";
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		clocks {
			i2cclk: i2cclk {
			compatible = "fixed-clock";
			clock-frequency = <25000000>;
			#clock-cells = <0>;
			clock-output-names = "i2cclk_25mhz";
			};
			spiclk: spiclk {
			compatible = "fixed-clock";
			clock-frequency = <25000000>;
			#clock-cells = <0>;
			clock-output-names = "spiclk_25mhz";
			};

		};

		intc: interrupt-controller{
			compatible = "sw64,sw6_irq_controller";
			interrupt-controller;
			#interrupt-cells = <1>;
		};


		uart: serial0@8033 {
			#address-cells = <2>;
			#size-cells = <2>;
			compatible = "sw6,sunway-apb-uart";
			reg = <0x8033 0x0 0x0 0x1000>;
			interrupt-parent=<&intc>;
			interrupts = <3>;
			reg-shift = <9>;
			reg-io-width = <4>;
			clock-frequency = <24000000>;
			status = "okay";
		};

		serial1@9033 {
			#address-cells = <2>;
			#size-cells = <2>;
			compatible = "sw6,sunway-apb-uart";
			reg = <0x9033 0x0 0x0 0x1000>;
			reg-shift = <9>;
			reg-io-width = <4>;
			clock-frequency = <24000000>;
			status = "okay";
		};


		i2c0@0x8031 {
			#address-cells = <2>;
			#size-cells = <2>;
			compatible = "snps,designware-i2c";
			reg = <0x8031 0x0 0x0 0x8000>;
			clock-frequency = <100000>;
			clocks = <&i2cclk>;
			interrupt-parent=<&intc>;
			interrupts = <5>;
			status = "okay";
		};

		i2c1@0x8034 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "snps,designware-i2c";
			reg = <0x8034 0x0 0x0 0x8000>;
			clock-frequency = <100000>;
			clocks = <&i2cclk>;
			interrupt-parent=<&intc>;
			interrupts = <6>;
			status = "okay";
		};

		i2c2@0x8035 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "snps,designware-i2c";
			reg = <0x8035 0x0 0x0 0x8000>;
			clock-frequency = <100000>;
			clocks = <&i2cclk>;
			interrupt-parent=<&intc>;
			interrupts = <7>;
			status = "okay";

			rtc: pcf8523@68 {
				compatible = "nxp,pcf8523";
				reg = <0x68>;
			};

			lm75: at30tse752a@48 {
				compatible = "microchip,tcn75";
				reg = <0x48>;
			};
		};

		pvt: pvt@0x8030 {
			#address-cells = <2>;
			#size-cells = <2>;
			compatible = "sw64,pvt-vol";
			reg = <0x8030 0x0 0x0 0x7c00>;
			status = "okay";
			};

		spi: spi@0x8032 {
			#address-cells = <2>;
			#size-cells = <2>;
			compatible = "sunway,chip3-spi";
			reg = <0x8032 0x0 0x0 0x8000>;
			clocks = <&spiclk>;
			interrupt-parent=<&intc>;
			interrupts = <4>;
			status = "okay";

			flash@0 {
				compatible = "winbond,w25q32dw", "jedec,spi-flash";
				spi-max-frequency = <25000000>;
				m25p,fast-read;
				spi-cpha;
				spi-cpol;
				poll_mode = <1>; /* poll_mode:1  interrupt mode: 0 */
				reg-io-width = <2>;
				reg = <0 0 0 0 >; /* 0: flash chip selected bit */

				partitions {
					compatible = "fixed-partitions";
					#address-cells = <1>;
					#size-cells = <1>;

					partition@0 {
						label = "spares0";
						reg = <0 0x400000>;
					};
				};
			};

			flash@1 {
				compatible = "winbond,w25q32dw", "jedec,spi-flash";
				spi-max-frequency = <25000000>;
				m25p,fast-read;
				spi-cpha;
				spi-cpol;
				poll_mode = <1>; /* poll_mode:1  interrupt mode: 0 */
				reg-io-width = <2>;
				reg = <1 0 0 0 >; /* 1: flash chip selected bit */

				partitions {
					compatible = "fixed-partitions";
					#address-cells = <1>;
					#size-cells = <1>;

					partition@0 {
						label = "spares1";
						reg = <0 0x400000>;
					};
				};
			};
		};

		lpc: lpc@0x8037 {
			#address-cells = <2>;
			#size-cells = <2>;
			compatible = "sw,sw6b_lpc";
			reg = <0x8037 0x40000000 0x0 0x8000>;
			interrupt-parent=<&intc>;
			interrupts = <2>;
			status = "okay";

		};

		ipmi-kcs@0x8037 {
			#address-cells = <2>;
			#size-cells = <2>;
			device_type = "ipmi";
			compatible = "ipmi-kcs";
			reg = <0x8037 0x10000ca2 0x0 0x10>;
			reg-size = <1>;
			reg-spacing = <1>;
			reg-shift = <0>;
			status = "disabled";
		};

		ipmi-bt@0x8037 {
			#address-cells = <2>;
			#size-cells = <2>;
			device_type = "ipmi";
			compatible = "ipmi-bt";
			reg = <0x8037 0x100000e4 0x0 0x10>;
			reg-size = <1>;
			reg-spacing = <1>;
			reg-shift = <0>;
			status = "disabled";
		};

		gpio: gpio@8036 {
			#address-cells = <2>;
			#size-cells = <2>;
			compatible = "snps,sw-gpio";
			reg = <0x8036 0x0 0x0 0x8000>;
			status = "okay";

			porta: gpio-contraller@0 {
				compatible = "snps,dw-apb-gpio-port";
				gpio-controller;
				#gpio-cells = <2>;
				snps,nr-gpios = <8>;
				reg = <0 0 0 0>;
				interrupt-controller;
				#interrupt-cells = <2>;
				interrupt-parent=<&intc>;
				interrupts = <0>;
				};
			};

	};
};