/*
 * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#include <mem.h>
#include <freq.h>
#include <zephyr/dt-bindings/gpio/gpio.h>
#include <zephyr/dt-bindings/i2c/i2c.h>
#include <zephyr/dt-bindings/interrupt-controller/esp-esp32c6-intmux.h>
#include <zephyr/dt-bindings/clock/esp32c6_clock.h>
#include <dt-bindings/pinctrl/esp32c6-pinctrl.h>

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

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

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "espressif,riscv";
			riscv,isa = "rv32imac_zicsr";
			reg = <0>;
			cpu-power-states = <&light_sleep &deep_sleep>;
			clock-source = <ESP32_CPU_CLK_SRC_PLL>;
			clock-frequency = <DT_FREQ_M(160)>;
			xtal-freq = <DT_FREQ_M(40)>;
		};

		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 = <2000>;
				exit-latency-us = <212>;
			};
		};
	};

	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;

		sramhp: memory@40800000 {
			compatible = "zephyr,memory-region", "mmio-sram";
			reg = <0x40800000 DT_SIZE_K(512)>;
			zephyr,memory-region = "SRAMHP";
		};

		sramlp: memory@50000000 {
			compatible = "zephyr,memory-region", "mmio-sram";
			reg = <0x50000000 DT_SIZE_K(16)>;
			zephyr,memory-region = "SRAMLP ";
		};

		intc: interrupt-controller@60010000 {
			compatible = "espressif,esp32-intc";
			#address-cells = <0>;
			#interrupt-cells = <3>;
			interrupt-controller;
			reg = <0x60010000 DT_SIZE_K(4)>;
			status = "okay";
		};

		systimer0: systimer@6000a000 {
			compatible = "espressif,esp32-systimer";
			reg = <0x6000A000 DT_SIZE_K(4)>;
			interrupts = <SYSTIMER_TARGET0_EDGE_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			status = "okay";
		};

		timer0: counter@60008000 {
			compatible = "espressif,esp32-timer";
			reg = <0x60008000 DT_SIZE_K(4)>;
			clocks = <&rtc ESP32_TIMG0_MODULE>;
			group = <0>;
			index = <0>;
			interrupts = <TG0_T0_LEVEL_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			status = "disabled";
		};

		timer1: counter@60009000 {
			compatible = "espressif,esp32-timer";
			reg = <0x60009000 DT_SIZE_K(4)>;
			clocks = <&rtc ESP32_TIMG1_MODULE>;
			group = <1>;
			index = <0>;
			interrupts = <TG1_T0_LEVEL_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			status = "disabled";
		};

		rtc: rtc@600b0000 {
			compatible = "espressif,esp32-rtc";
			reg = <0x600B0000 DT_SIZE_K(1)>;
			fast-clk-src = <ESP32_RTC_FAST_CLK_SRC_RC_FAST>;
			slow-clk-src = <ESP32_RTC_SLOW_CLK_SRC_RC_SLOW>;
			#clock-cells = <1>;
			status = "okay";
		};

		rtc_timer: rtc_timer@600b0c00 {
			compatible = "espressif,esp32-rtc-timer";
			reg = <0x600B0C00 DT_SIZE_K(1)>;
			clocks = <&rtc ESP32_MODULE_MAX>;
			interrupts = <LP_RTC_TIMER_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			status = "disabled";
		};

		trng0: trng@600b2808 {
			compatible = "espressif,esp32-trng";
			reg = <0x600B2808 0x4>;
			clocks = <&rtc ESP32_RNG_MODULE>;
			status = "disabled";
		};

		spi2: spi@60081000 {
			compatible = "espressif,esp32-spi";
			reg = <0x60081000 DT_SIZE_K(4)>;
			interrupts = <GSPI2_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_SPI2_MODULE>;
			dma-clk = <ESP32_GDMA_MODULE>;
			dma-host = <0>;
			status = "disabled";
		};

		wdt0: watchdog@60008048  {
			compatible = "espressif,esp32-watchdog";
			reg = <0x60008048 0x20>;
			interrupts = <TG0_WDT_LEVEL_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_TIMG0_MODULE>;
			status = "disabled";
		};

		wdt1: watchdog@60009048 {
			compatible = "espressif,esp32-watchdog";
			reg = <0x60009048 0x20>;
			interrupts = <TG1_WDT_LEVEL_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_TIMG1_MODULE>;
			status = "disabled";
		};

		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";
				erase-block-size = <4096>;
				write-block-size = <4>;
				/* Flash size is specified in SOC/SIP dtsi */
			};
		};

		dma: dma@60080000 {
			compatible = "espressif,esp32-gdma";
			reg = <0x60080000 DT_SIZE_K(4)>;
			#dma-cells = <1>;
			interrupts =
				<DMA_IN_CH0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>,
				<DMA_OUT_CH0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>,
				<DMA_IN_CH1_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>,
				<DMA_OUT_CH1_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>,
				<DMA_IN_CH2_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>,
				<DMA_OUT_CH2_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_GDMA_MODULE>;
			dma-channels = <6>;
			dma-buf-addr-alignment = <4>;
			status = "disabled";
		};

		gpio0: gpio@60091000 {
			compatible = "espressif,esp32-gpio";
			gpio-controller;
			#gpio-cells = <2>;
			reg = <0x60091000 DT_SIZE_K(4)>;
			interrupts = <GPIO_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			ngpios = <30>;   /* 0..29 */
		};

		i2c0: i2c@60004000 {
			compatible = "espressif,esp32-i2c";
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x60004000 0x1000>;
			interrupts = <I2C_EXT0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_I2C0_MODULE>;
			status = "disabled";
		};

		uart0: uart@60000000 {
			compatible = "espressif,esp32-uart";
			reg = <0x60000000 DT_SIZE_K(4)>;
			status = "disabled";
			interrupts = <UART0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_UART0_MODULE>;
		};

		uart1: uart@60001000 {
			compatible = "espressif,esp32-uart";
			reg = <0x60001000 DT_SIZE_K(4)>;
			status = "disabled";
			interrupts = <UART1_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_UART1_MODULE>;
			current-speed = <115200>;
		};

		usb_serial: uart@6000f000 {
			compatible = "espressif,esp32-usb-serial";
			reg = <0x6000F000 0x1000>;
			status = "disabled";
			interrupts = <USB_SERIAL_JTAG_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_USB_MODULE>;
		};

		ledc0: ledc@60007000 {
			compatible = "espressif,esp32-ledc";
			pwm-controller;
			#pwm-cells = <3>;
			reg = <0x60007000 0x1000>;
			clocks = <&rtc ESP32_LEDC_MODULE>;
			status = "disabled";
		};

		mcpwm0: mcpwm@60014000 {
			compatible = "espressif,esp32-mcpwm";
			reg = <0x60014000 DT_SIZE_K(4)>;
			interrupts = <MCPWM0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
			interrupt-parent = <&intc>;
			clocks = <&rtc ESP32_MCPWM0_MODULE>;
			#pwm-cells = <3>;
			status = "disabled";
		};
	};
};