dts/riscv/wch/ch32v00x.dtsi

/*
 * Copyright (c) 2024 Michael Hope
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <freq.h>
#include <mem.h>
#include <zephyr/dt-bindings/gpio/gpio.h>
#include <zephyr/dt-bindings/i2c/i2c.h>
#include <zephyr/dt-bindings/clock/ch32v00x-clocks.h>

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

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "wch,qingke-v2";
			reg = <0>;
			clock-frequency = <DT_FREQ_M(48)>;
		};
	};

	clocks {
		clk_hse: clk-hse {
			#clock-cells = <0>;
			compatible = "wch,ch32v00x-hse-clock";
			status = "disabled";
		};

		clk_hsi: clk-hsi {
			#clock-cells = <0>;
			compatible = "wch,ch32v00x-hsi-clock";
			clock-frequency = <DT_FREQ_M(24)>;
			status = "disabled";
		};

		clk_lsi: clk-lsi {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <DT_FREQ_K(128)>;
			status = "disabled";
		};

		pll: pll {
			#clock-cells = <0>;
			compatible = "wch,ch32v00x-pll-clock";
			status = "disabled";
		};
	};

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

		sram0: memory@20000000 {
			compatible = "mmio-sram";
			reg = <0x20000000 0x800>;
		};

		flash: flash-controller@40022000 {
			compatible = "wch,ch32v00x-flash-controller";
			reg = <0x40022000 0x400>;

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

			flash0: flash@0 {
				compatible = "soc-nv-flash";
				reg = <0 0x4000>;
			};
		};

		pfic: interrupt-controller@e000e000 {
			compatible = "wch,pfic";
			#address-cells = <0>;
			#interrupt-cells = <1>;
			interrupt-controller;
			reg = <0xe000e000 16>;
			status = "okay";
		};

		systick: systimer@e000f000 {
			compatible = "wch,systick";
			reg = <0xe000f000 16>;
			status = "okay";
			interrupt-parent = <&pfic>;
			interrupts = <12>;
		};

		pwr: pwr@40007000 {
			compatible = "wch,pwr";
			reg = <0x40007000 16>;
		};

		pinctrl: pin-controller@40010000 {
			compatible = "wch,afio";
			reg = <0x40010000 16>;
			#address-cells = <1>;
			#size-cells = <1>;
			status = "okay";

			gpioa: gpio@40010800 {
				compatible = "wch,gpio";
				reg = <0x40010800 32>;
				gpio-controller;
				#gpio-cells = <2>;
				ngpios = <8>;
				clocks = <&rcc CH32V00X_CLOCK_IOPA>;
			};

			gpioc: gpio@40011000 {
				compatible = "wch,gpio";
				reg = <0x40011000 32>;
				gpio-controller;
				#gpio-cells = <2>;
				ngpios = <8>;
				clocks = <&rcc CH32V00X_CLOCK_IOPC>;
			};

			gpiod: gpio@40011400 {
				compatible = "wch,gpio";
				reg = <0x40011400 32>;
				gpio-controller;
				#gpio-cells = <2>;
				ngpios = <8>;
				clocks = <&rcc CH32V00X_CLOCK_IOPD>;
			};
		};

		usart1: uart@40013800 {
			compatible = "wch,usart";
			reg = <0x40013800 16>;
			clocks = <&rcc CH32V00X_CLOCK_USART1>;
			interrupt-parent = <&pfic>;
			interrupts = <32>;
		};

		rcc: rcc@40021000 {
			compatible = "wch,rcc";
			reg = <0x40021000 16>;
			#clock-cells = <1>;
			status = "okay";
		};
	};
};