Linux preempt-rt

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Elixir Cross Referencer

/* SPDX-License-Identifier: Apache-2.0 */

#include <mem.h>
#include <arm/armv7-m.dtsi>
#include <dt-bindings/clock/kinetis_sim.h>
#include <dt-bindings/clock/kinetis_mcg.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/i2c/i2c.h>

/ {
	aliases {
		watchdog0 = &wdog;
	};

	chosen {
		zephyr,entropy = &rnga;
		zephyr,flash-controller = &ftfl;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-m4";
			reg = <0>;
		};
	};

	sram0: memory@20000000 {
		compatible = "mmio-sram";
		reg = <0x20000000 DT_SIZE_K(32)>;
	};

	soc {

		mcg: clock-controller@40064000 {
			compatible = "nxp,kinetis-mcg";
			reg = <0x40064000 0xd>;
			label = "MCG";
			#clock-cells = <1>;
		};

		clock-controller@40065000 {
			compatible = "nxp,k64f-osc";
			reg = <0x40065000 0x4>;

			enable-external-reference;
		};

		rtc@4003d000 {
			compatible = "nxp,k64f-rtc";
			reg = <0x4003d000 0x808>;
			clock-frequency = <32768>;
		};

		sim: sim@40047000 {
			compatible = "nxp,kinetis-sim";
			reg = <0x40047000 0x1060>;
			label = "SIM";
			#clock-cells = <3>;

			core_clk {
				compatible = "fixed-factor-clock";
				clocks = <&mcg KINETIS_MCG_OUT_CLK>;
				clock-div = <1>;
				#clock-cells = <0>;
			};

			bus_clk {
				compatible = "fixed-factor-clock";
				clocks = <&mcg KINETIS_MCG_OUT_CLK>;
				clock-div = <1>;
				#clock-cells = <0>;
			};

			flash_clk {
				compatible = "fixed-factor-clock";
				clocks = <&mcg KINETIS_MCG_OUT_CLK>;
				clock-div = <2>;
				#clock-cells = <0>;
			};
		};

		ftfl: flash-controller@40020000 {
			compatible = "nxp,kinetis-ftfl";
			label = "FLASH_CTRL";
			reg = <0x40020000 0x18>;
			interrupts = <18 0>, <19 0>;
			interrupt-names = "command-complete", "read-collision";

			#address-cells = <1>;
			#size-cells = <1>;

			flash0: flash@0 {
				compatible = "soc-nv-flash";
				label = "MCUX_FLASH";
				reg = <0 DT_SIZE_K(512)>;
				erase-block-size = <2048>;
				write-block-size = <4>;
			};
		};

		i2c0: i2c@40066000 {
			compatible = "nxp,kinetis-i2c";
			clock-frequency = <I2C_BITRATE_STANDARD>;
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x40066000 0x1000>;
			interrupts = <24 0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1034 6>;
			label = "I2C_0";
			status = "disabled";
		};

		i2c1: i2c@40067000 {
			compatible = "nxp,kinetis-i2c";
			clock-frequency = <I2C_BITRATE_STANDARD>;
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x40067000 0x1000>;
			interrupts = <25 0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1034 7>;
			label = "I2C_1";
			status = "disabled";
		};

		uart0: uart@4006a000 {
			compatible = "nxp,kinetis-uart";
			reg = <0x4006a000 0x1000>;
			interrupts = <31 0>, <32 0>;
			interrupt-names = "status", "error";
			clocks = <&sim KINETIS_SIM_CORESYS_CLK 0x1034 10>;
			label = "UART_0";

			status = "disabled";
		};

		uart1: uart@4006b000 {
			compatible = "nxp,kinetis-uart";
			reg = <0x4006b000 0x1000>;
			interrupts = <33 0>, <34 0>;
			interrupt-names = "status", "error";
			clocks = <&sim KINETIS_SIM_CORESYS_CLK 0x1034 11>;
			label = "UART_1";

			status = "disabled";
		};

		uart2: uart@4006c000 {
			compatible = "nxp,kinetis-uart";
			reg = <0x4006c000 0x1000>;
			interrupts = <35 0>, <36 0>;
			interrupt-names = "status", "error";
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1034 12>;
			label = "UART_2";

			status = "disabled";
		};

		porta: pinmux@40049000 {
			compatible = "nxp,kinetis-pinmux";
			reg = <0x40049000 0xd0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1038 9>;
		};

		portb: pinmux@4004a000 {
			compatible = "nxp,kinetis-pinmux";
			reg = <0x4004a000 0xd0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1038 10>;

			SPI1_PCS0_PTB10: spi1_pcs0_ptb10 {
				nxp,kinetis-port-pins = < 10 2 >;
			};
			SPI1_SCK_PTB11: spi1_sck_ptb11 {
				nxp,kinetis-port-pins = < 11 2 >;
			};
			SPI1_SOUT_PTB16: spi1_sout_ptb16 {
				nxp,kinetis-port-pins = < 16 2 >;
			};
			SPI1_SIN_PTB17: spi1_sin_ptb17 {
				nxp,kinetis-port-pins = < 17 2 >;
			};
		};

		portc: pinmux@4004b000 {
			compatible = "nxp,kinetis-pinmux";
			reg = <0x4004b000 0xd0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1038 11>;
		};

		portd: pinmux@4004c000 {
			compatible = "nxp,kinetis-pinmux";
			reg = <0x4004c000 0xd0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1038 12>;
		};

		porte: pinmux@4004d000 {
			compatible = "nxp,kinetis-pinmux";
			reg = <0x4004d000 0xd0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1038 13>;
		};

		gpioa: gpio@400ff000 {
			compatible = "nxp,kinetis-gpio";
			status = "disabled";
			reg = <0x400ff000 0x40>;
			interrupts = <59 2>;
			label = "GPIO_0";
			gpio-controller;
			#gpio-cells = <2>;
			nxp,kinetis-port = <&porta>;
		};

		gpiob: gpio@400ff040 {
			compatible = "nxp,kinetis-gpio";
			status = "disabled";
			reg = <0x400ff040 0x40>;
			interrupts = <60 2>;
			label = "GPIO_1";
			gpio-controller;
			#gpio-cells = <2>;
			nxp,kinetis-port = <&portb>;
		};

		gpioc: gpio@400ff080 {
			compatible = "nxp,kinetis-gpio";
			status = "disabled";
			reg = <0x400ff080 0x40>;
			interrupts = <61 2>;
			label = "GPIO_2";
			gpio-controller;
			#gpio-cells = <2>;
			nxp,kinetis-port = <&portc>;
		};

		gpiod: gpio@400ff0c0 {
			compatible = "nxp,kinetis-gpio";
			status = "disabled";
			reg = <0x400ff0c0 0x40>;
			interrupts = <62 2>;
			label = "GPIO_3";
			gpio-controller;
			#gpio-cells = <2>;
			nxp,kinetis-port = <&portd>;
		};

		gpioe: gpio@400ff100 {
			compatible = "nxp,kinetis-gpio";
			status = "disabled";
			reg = <0x400ff100 0x40>;
			interrupts = <63 2>;
			label = "GPIO_4";
			gpio-controller;
			#gpio-cells = <2>;
			nxp,kinetis-port = <&porte>;
		};

		spi0: spi@4002c000 {
			compatible = "nxp,kinetis-dspi";
			reg = <0x4002c000 0x88>;
			interrupts = <26 3>;
			label = "SPI_0";
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x103C 12>;
			status = "disabled";
			#address-cells = <1>;
			#size-cells = <0>;
		};

		spi1: spi@4002d000 {
			compatible = "nxp,kinetis-dspi";
			reg = <0x4002d000 0x88>;
			interrupts = <27 3>;
			label = "SPI_1";
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x103C 13>;

			#address-cells = <1>;
			#size-cells = <0>;

			pinctrl-0 = <&SPI1_PCS0_PTB10 &SPI1_SCK_PTB11
				     &SPI1_SOUT_PTB16 &SPI1_SIN_PTB17>;

			mcr20a@0 {
				compatible = "nxp,mcr20a";
				reg = <0x0>;
				label = "mcr20a";
				spi-max-frequency = <8000000>;
				irqb-gpios = <&gpiob 3 0>;
				reset-gpios = <&gpiob 19 0>;
				status = "okay";
			};
		};

		wdog: watchdog@40052000 {
			compatible = "nxp,kinetis-wdog";
			reg = <0x40052000 16>;
			interrupts = <22 0>;
			clocks = <&sim KINETIS_SIM_LPO_CLK 0 0>;
			label = "WDT_0";
		};

		ftm0: ftm@40038000{
			compatible = "nxp,kinetis-ftm";
			reg = <0x40038000 0x98>;
			interrupts = <42 0>;
			clocks = <&mcg KINETIS_MCG_FIXED_FREQ_CLK>;
			prescaler = <16>;
			label = "FTM_0";
			status = "disabled";
		};

		ftm1: ftm@40039000{
			compatible = "nxp,kinetis-ftm";
			reg = <0x40039000 0x98>;
			interrupts = <43 0>;
			clocks = <&mcg KINETIS_MCG_FIXED_FREQ_CLK>;
			prescaler = <16>;
			label = "FTM_1";
			status = "disabled";
		};

		ftm2: ftm@4003a000{
			compatible = "nxp,kinetis-ftm";
			reg = <0x4003a000 0x98>;
			interrupts = <44 0>;
			clocks = <&mcg KINETIS_MCG_FIXED_FREQ_CLK>;
			prescaler = <16>;
			label = "FTM_2";
			status = "disabled";
		};

		adc0: adc@4003b000{
			compatible = "nxp,kinetis-adc16";
			reg = <0x4003b000 0x70>;
			interrupts = <39 0>;
			label = "ADC_0";
			status = "disabled";
			#io-channel-cells = <1>;
		};

		usbd: usbd@40072000 {
			compatible = "nxp,kinetis-usbd";
			reg = <0x40072000 0x1000>;
			interrupts = <53 1>;
			interrupt-names = "usb_otg";
			num-bidir-endpoints = <16>;
			status = "disabled";
			label = "USBD";
		};

		rnga: random@40029000 {
			compatible = "nxp,kinetis-rnga";
			reg = <0x40029000 0x1000>;
			status = "okay";
			interrupts = <23 0>;
			label = "RNGA";
		};
	};
};

&nvic {
	arm,num-irq-priority-bits = <4>;
};