/*
 * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#include <mem.h>
#include <zephyr/dt-bindings/adc/adc.h>
#include <zephyr/dt-bindings/gpio/gpio.h>
#include <zephyr/dt-bindings/i2c/i2c.h>
#include <zephyr/dt-bindings/interrupt-controller/esp-esp32c3-intmux.h>
#include <zephyr/dt-bindings/clock/esp32c3_clock.h>
#include <dt-bindings/pinctrl/esp32-pinctrl.h>

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

	aliases {
		die-temp0 = &coretemp;
	};

	chosen {
		zephyr,canbus = &twai;
		zephyr,entropy = &trng0;
		zephyr,flash-controller = &flash;
	};

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "espressif,riscv", "riscv";
			riscv,isa = "rv32imc_zicsr";
			reg = <0>;
			cpu-power-states = <&light_sleep &deep_sleep>;
		};

		power-states {
			light_sleep: light_sleep {
				compatible = "zephyr,power-state";
				power-state-name = "standby";
				min-residency-us = <200>;
				exit-latency-us = <60>;
			};

			deep_sleep: deep_sleep {
				compatible = "zephyr,power-state";
				power-state-name = "soft-off";
				min-residency-us = <660>;
				exit-latency-us = <105>;
			};
		};
	};

	pinctrl: pin-controller {
		compatible = "espressif,esp32-pinctrl";
		status = "okay";
	};

	wifi: wifi {
		compatible = "espressif,esp32-wifi";
		status = "disabled";
	};

	soc {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		ranges;

		sram0: memory@3fc7c000 {
			compatible = "mmio-sram";
			reg = <0x3fc7c000 0x50000>;
		};

		intc: interrupt-controller@600c2000 {
			compatible = "espressif,esp32-intc";
			#address-cells = <0>;
			#interrupt-cells = <1>;
			interrupt-controller;
			reg = <0x600c2000 0x198>;
			status = "okay";
		};

		systimer0: systimer@60023000 {
			compatible = "espressif,esp32-systimer";
			reg = <0x60023000 0x80>;
			interrupts = <SYSTIMER_TARGET0_EDGE_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			status = "okay";
		};

		rtc: rtc@60008000 {
			compatible = "espressif,esp32-rtc";
			reg = <0x60008000 0x1000>;
			xtal-freq = <ESP32_CLK_XTAL_40M>;
			#clock-cells = <1>;
			status = "okay";

			rtc_timer: rtc_timer {
				compatible = "espressif,esp32-rtc-timer";
				slow-clk-freq = <ESP32_RTC_SLOW_CLK_FREQ_90K>;
				interrupts = <RTC_CORE_INTR_SOURCE>;
				interrupt-parent = <&intc>;
				status = "okay";
			};
		};

		flash: flash-controller@60002000 {
			compatible = "espressif,esp32-flash-controller";
			reg = <0x60002000 0x1000>;

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

			flash0: flash@0 {
				compatible = "soc-nv-flash";
				reg = <0 0x400000>;
				erase-block-size = <4096>;
				write-block-size = <4>;
			};
		};

		gpio0: gpio@60004000 {
			compatible = "espressif,esp32-gpio";
			gpio-controller;
			#gpio-cells = <2>;
			reg = <0x60004000 0x800>;
			interrupts = <GPIO_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			/* Maximum available pins (per port)
			 * Actual occupied pins are specified
			 * on part number dtsi level, using
			 * the `gpio-reserved-ranges` property.
			 */
			ngpios = <26>;   /* 0..25 */
		};

		i2c0: i2c@60013000 {
			compatible = "espressif,esp32-i2c";
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x60013000 0x1000>;
			interrupts = <I2C_EXT0_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_I2C0_MODULE>;
			status = "disabled";
		};

		uart0: uart@60000000 {
			compatible = "espressif,esp32-uart";
			reg = <0x60000000 0x400>;
			status = "disabled";
			interrupts = <UART0_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_UART0_MODULE>;
		};

		uart1: uart@60010000 {
			compatible = "espressif,esp32-uart";
			reg = <0x60010000 0x400>;
			status = "disabled";
			interrupts = <UART1_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_UART1_MODULE>;
			current-speed = <115200>;
		};

		ledc0: ledc@60019000 {
			compatible = "espressif,esp32-ledc";
			pwm-controller;
			#pwm-cells = <3>;
			reg = <0x60019000 0x1000>;
			clocks = <&rtc ESP32_LEDC_MODULE>;
			status = "disabled";
		};

		usb_serial: uart@60043000 {
			compatible = "espressif,esp32-usb-serial";
			reg = <0x60043000 0x400>;
			status = "disabled";
			interrupts = <USB_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_USB_MODULE>;
		};

		timer0: counter@6001f000 {
			compatible = "espressif,esp32-timer";
			reg = <0x6001F000 DT_SIZE_K(4)>;
			group = <0>;
			index = <0>;
			interrupts = <TG0_T0_LEVEL_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			status = "disabled";
		};

		timer1: counter@60020000 {
			compatible = "espressif,esp32-timer";
			reg = <0x60020000 DT_SIZE_K(4)>;
			group = <1>;
			index = <0>;
			interrupts = <TG1_T0_LEVEL_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			status = "disabled";
		};

		trng0: trng@3ff700b0 {
			compatible = "espressif,esp32-trng";
			reg = <0x3FF700B0 0x4>;
			status = "disabled";
		};

		twai: can@6002b000 {
			compatible = "espressif,esp32-twai";
			reg = <0x6002b000 DT_SIZE_K(4)>;
			interrupts = <TWAI_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_TWAI_MODULE>;
			sample-point = <875>;
			status = "disabled";
		};

		spi2: spi@60024000 {
			compatible = "espressif,esp32-spi";
			reg = <0x60024000 DT_SIZE_K(4)>;
			interrupts = <SPI2_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_SPI2_MODULE>;
			dma-clk = <ESP32_GDMA_MODULE>;
			dma-host = <0>;
			status = "disabled";
		};

		wdt0: watchdog@6001f048  {
			compatible = "espressif,esp32-watchdog";
			reg = <0x6001f048 0x20>;
			interrupts = <TG0_WDT_LEVEL_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_TIMG0_MODULE>;
			status = "disabled";
		};

		wdt1: watchdog@60020048 {
			compatible = "espressif,esp32-watchdog";
			reg = <0x60020048 0x20>;
			interrupts = <TG1_WDT_LEVEL_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_TIMG1_MODULE>;
			status = "disabled";
		};

		coretemp: coretemp@60040058 {
			compatible = "espressif,esp32-temp";
			friendly-name = "coretemp";
			reg = <0x60040058 0x4>;
			status = "disabled";
		};

		adc0: adc@60040000 {
			compatible = "espressif,esp32-adc";
			reg = <0x60040000 4>;
			unit = <1>;
			channel-count = <5>;
			#io-channel-cells = <1>;
			status = "disabled";
		};

		adc1: adc@60040004 {
			compatible = "espressif,esp32-adc";
			reg = <0x60040004 4>;
			unit = <2>;
			channel-count = <2>;
			#io-channel-cells = <1>;
			status = "disabled";
		};

		dma: dma@6003f000 {
			compatible = "espressif,esp32-gdma";
			reg = <0x6003f000 DT_SIZE_K(4)>;
			#dma-cells = <1>;
			interrupts = <DMA_CH0_INTR_SOURCE DMA_CH1_INTR_SOURCE DMA_CH2_INTR_SOURCE>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_GDMA_MODULE>;
			dma-channels = <6>;
			dma-buf-addr-alignment = <4>;
			status = "disabled";
		};

	};

};