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

#include <arm/armv7-m.dtsi>
#include <mem.h>
#include <freq.h>
#include <zephyr/dt-bindings/adc/adc.h>
#include <zephyr/dt-bindings/i2c/i2c.h>
#include <zephyr/dt-bindings/gpio/gpio.h>

/ {
	clocks {
		uartclk: apb-pclk {
			compatible = "fixed-clock";
			clock-frequency = <DT_FREQ_M(24)>;
			#clock-cells = <0>;
		};
	};

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

		cpu0: cpu@0 {
			compatible = "arm,cortex-m4f";
			reg = <0>;
			cpu-power-states = <&idle &suspend_to_ram>;
			#address-cells = <1>;
			#size-cells = <1>;

			itm: itm@e0000000 {
				compatible = "arm,armv7m-itm";
				reg = <0xe0000000 0x1000>;
				swo-ref-frequency = <DT_FREQ_M(48)>;
			};
		};
		power-states {
			idle: idle {
				compatible = "zephyr,power-state";
				power-state-name = "suspend-to-idle";
				/*
				 * As Apollo4 datasheet, run_to_sleep and sleep_to_run
				 * transition time are both lower than 1us, but
				 * considering the software overhead we set a
				 * bigger value.
				 */
				min-residency-us = <100>;
				exit-latency-us = <5>;
			};

			suspend_to_ram: suspend_to_ram {
				compatible = "zephyr,power-state";
				power-state-name = "suspend-to-ram";
				/*
				 * As Apollo4 datasheet, run_to_deepsleep transition
				 * time is lower than 1us and deepsleep_to_run
				 * transition time is about 25us, but considering
				 * the software overhead, we set a bigger value.
				 */
				min-residency-us = <2000>;
				exit-latency-us = <125>;
			};
		};
	};

	/* TCM */
	tcm: tcm@10000000 {
		compatible = "zephyr,memory-region";
		reg = <0x10000000 0x10000>;
		zephyr,memory-region = "ITCM";
	};

	/* SRAM */
	sram0: memory@10010000 {
		compatible = "mmio-sram";
		reg = <0x10010000 0x2B0000>;
	};

	soc {
		compatible = "ambiq,apollo4p", "ambiq,apollo4x", "simple-bus";

		flash: flash-controller@18000 {
			compatible = "ambiq,flash-controller";
			reg = <0x00018000 0x1e8000>;

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

			/* Flash region */
			flash0: flash@18000 {
				compatible = "soc-nv-flash";
				reg = <0x00018000 0x1e8000>;
			};
		};

		pwrcfg: pwrcfg@40021000 {
			compatible = "ambiq,pwrctrl";
			reg = <0x40021000 0x400>;
			#pwrcfg-cells = <2>;
		};

		stimer0: stimer@40008800 {
			compatible = "ambiq,stimer";
			reg = <0x40008800 0x80>;
			interrupts = <32 0>;
			status = "okay";
		};

		counter0: counter@40008200 {
			compatible = "ambiq,counter";
			reg = <0x40008200 0x20>;
			interrupts = <67 0>;
			clock-frequency = <DT_FREQ_M(6)>;
			clk-source = <1>;
			status = "disabled";
		};

		uart0: uart@4001c000 {
			compatible = "ambiq,uart", "arm,pl011";
			reg = <0x4001c000 0x1000>;
			interrupts = <15 0>;
			interrupt-names = "UART0";
			status = "disabled";
			clocks = <&uartclk>;
			ambiq,pwrcfg = <&pwrcfg 0x4 0x200>;
		};
		uart1: uart@4001d000 {
			compatible = "ambiq,uart", "arm,pl011";
			reg = <0x4001d000 0x1000>;
			interrupts = <16 0>;
			interrupt-names = "UART1";
			status = "disabled";
			clocks = <&uartclk>;
			ambiq,pwrcfg = <&pwrcfg 0x4 0x400>;
		};

		uart2: uart@4001e000 {
			compatible = "ambiq,uart", "arm,pl011";
			reg = <0x4001e000 0x1000>;
			interrupts = <17 0>;
			interrupt-names = "UART2";
			status = "disabled";
			clocks = <&uartclk>;
			ambiq,pwrcfg = <&pwrcfg 0x4 0x800>;
		};

		uart3: uart@4001f000 {
			compatible = "ambiq,uart", "arm,pl011";
			reg = <0x4001f000 0x1000>;
			interrupts = <18 0>;
			interrupt-names = "UART3";
			status = "disabled";
			clocks = <&uartclk>;
			ambiq,pwrcfg = <&pwrcfg 0x4 0x1000>;
		};

		iom0_spi: spi@40050000 {
			reg = <0x40050000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <6 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x2>;
		};

		iom0_i2c: i2c@40050000 {
			reg = <0x40050000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <6 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x2>;
		};

		iom1_spi: spi@40051000 {
			reg = <0x40051000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <7 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x4>;
		};

		iom1_i2c: i2c@40051000 {
			reg = <0x40051000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <7 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x4>;
		};

		iom2_spi: spi@40052000 {
			reg = <0x40052000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <8 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x8>;
		};

		iom2_i2c: i2c@40052000 {
			reg = <0x40052000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <8 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x8>;
		};

		iom3_spi: spi@40053000 {
			reg = <0x40053000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <9 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x10>;
		};

		iom3_i2c: i2c@40053000 {
			reg = <0x40053000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <9 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x10>;
		};

		iom4_spi: spi@40054000 {
			reg = <0x40054000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <10 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x20>;
		};

		iom4_i2c: i2c@40054000 {
			reg = <0x40054000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <10 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x20>;
		};

		iom5_spi: spi@40055000 {
			reg = <0x40055000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <11 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x40>;
		};

		iom5_i2c: i2c@40055000 {
			reg = <0x40055000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <11 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x40>;
		};

		iom6_spi: spi@40056000 {
			reg = <0x40056000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <12 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x80>;
		};

		iom6_i2c: i2c@40056000 {
			reg = <0x40056000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <12 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x80>;
		};

		iom7_spi: spi@40057000 {
			reg = <0x40057000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <13 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x100>;
		};

		iom7_i2c: i2c@40057000 {
			reg = <0x40057000 0x1000>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <13 0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x100>;
		};

		adc0: adc@40038000 {
			reg = <0x40038000 0x400>;
			interrupts = <19 0>;
			interrupt-names = "ADC";
			channel-count = <10>;
			internal-vref-mv = <1190>;
			status = "disabled";
			#io-channel-cells = <1>;
			ambiq,pwrcfg = <&pwrcfg 0x4 0x2000>;
		};

		mspi0: spi@40060000 {
			compatible = "ambiq,mspi";
			reg = <0x40060000 0x400>;
			interrupts = <20 0>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x4000>;
		};

		mspi1: spi@40061000 {
			compatible = "ambiq,mspi";
			reg = <0x40061000 0x400>;
			interrupts = <21 0>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x8000>;
		};

		mspi2: spi@40062000 {
			compatible = "ambiq,mspi";
			reg = <0x40062000 0x400>;
			interrupts = <22 0>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x10000>;
		};

		rtc0: rtc@40004800 {
			compatible = "ambiq,rtc";
			reg = <0x40004800 0x210>;
			interrupts = <2 0>;
			alarms-count = <1>;
			status = "disabled";
		};

		usb: usb@400b0000 {
			compatible = "ambiq,usb";
			reg = <0x400B0000 0x4100>;
			interrupts = <27 0>;
			num-bidir-endpoints = <6>;
			maximum-speed = "full-speed";
			status = "disabled";
			ambiq,pwrcfg = <&pwrcfg 0x4 0x400000>;
		};

		pinctrl: pin-controller@40010000 {
			compatible = "ambiq,apollo4-pinctrl";
			reg = <0x40010000 0x800>;
			#address-cells = <1>;
			#size-cells = <0>;

			gpio: gpio@40010000 {
				compatible = "ambiq,gpio";
				gpio-map-mask = <0xffffffe0 0xffffffc0>;
				gpio-map-pass-thru = <0x1f 0x3f>;
				gpio-map = <
					0x00 0x0 &gpio0_31 0x0 0x0
					0x20 0x0 &gpio32_63 0x0 0x0
					0x40 0x0 &gpio64_95 0x0 0x0
					0x60 0x0 &gpio96_127 0x0 0x0
				>;
				reg = <0x40010000>;
				#gpio-cells = <2>;
				#address-cells = <1>;
				#size-cells = <0>;
				ranges;

				gpio0_31: gpio0_31@0 {
					compatible = "ambiq,gpio-bank";
					gpio-controller;
					#gpio-cells = <2>;
					reg = <0>;
					interrupts = <56 0>;
					status = "disabled";
				};

				gpio32_63: gpio32_63@80 {
					compatible = "ambiq,gpio-bank";
					gpio-controller;
					#gpio-cells = <2>;
					reg = <0x80>;
					interrupts = <57 0>;
					status = "disabled";
				};

				gpio64_95: gpio64_95@100 {
					compatible = "ambiq,gpio-bank";
					gpio-controller;
					#gpio-cells = <2>;
					reg = <0x100>;
					interrupts = <58 0>;
					status = "disabled";
				};

				gpio96_127: gpio96_127@180 {
					compatible = "ambiq,gpio-bank";
					gpio-controller;
					#gpio-cells = <2>;
					reg = <0x180>;
					interrupts = <59 0>;
					status = "disabled";
				};
			};
		};

		wdt0: watchdog@40024000 {
			compatible = "ambiq,watchdog";
			reg = <0x40024000 0x400>;
			interrupts = <1 0>;
			clock-frequency = <16>;
			status = "disabled";
		};
	};
};

&nvic {
	arm,num-irq-priority-bits = <3>;
};