blob: 429d4372418f09a56e994e6d1fcd096277dae7aa [file] [log] [blame]
/*
* Copyright (c) 2021 Henrik Brix Andersen <henrik@brixandersen.dk>
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <skeleton.dtsi>
#include <zephyr/dt-bindings/gpio/gpio.h>
/ {
chosen {
zephyr,entropy = &trng;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu0: cpu@0 {
compatible = "neorv32-cpu";
riscv,isa = "rv32imc_zicsr";
reg = <0>;
device_type = "cpu";
intc: interrupt-controller {
compatible = "riscv,cpu-intc";
interrupt-controller;
#address-cells = <1>;
#interrupt-cells = <1>;
firq: firq {
#address-cells = <1>;
interrupt-map-mask = <0x0 0xffffffff>;
interrupt-map = <
0 0 &intc 0 16
0 1 &intc 0 17
0 2 &intc 0 18
0 3 &intc 0 19
0 4 &intc 0 20
0 5 &intc 0 21
0 6 &intc 0 22
0 7 &intc 0 23
0 8 &intc 0 24
0 9 &intc 0 25
0 10 &intc 0 26
0 11 &intc 0 27
0 12 &intc 0 28
0 13 &intc 0 29
0 14 &intc 0 30
0 15 &intc 0 31
>;
#interrupt-cells = <1>;
};
};
};
};
soc {
compatible = "simple-bus";
interrupt-parent = <&firq>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
mtimer: timer@ffffff90 {
compatible = "neorv32-machine-timer";
reg = <0xffffff90 0x10>;
interrupts = <7>;
};
uart0: serial@ffffffa0 {
compatible = "neorv32-uart";
status = "disabled";
reg = <0xffffffa0 8>;
interrupts = <2>, <3>;
interrupt-names = "RX", "TX";
syscon = <&sysinfo>;
};
trng: rng@ffffffb8 {
compatible = "neorv32-trng";
status = "disabled";
reg = <0xffffffb8 4>;
syscon = <&sysinfo>;
};
gpio: gpio {
compatible = "simple-bus";
gpio-map-mask = <0xffffffe0 0xffffffc0>;
gpio-map-pass-thru = <0x1f 0x3f>;
gpio-map = <
0x00 0x0 &gpio_lo 0x0 0x0
0x20 0x0 &gpio_hi 0x0 0x0
>;
#gpio-cells = <2>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
gpio_lo: gpio@ffffffc0 {
compatible = "neorv32-gpio";
status = "disabled";
reg = <0xffffffc0 4 0xffffffc8 4>;
reg-names = "input", "output";
gpio-controller;
ngpios = <32>;
syscon = <&sysinfo>;
#gpio-cells = <2>;
};
gpio_hi: gpio@ffffffc4 {
compatible = "neorv32-gpio";
status = "disabled";
reg = <0xffffffc4 4 0xffffffcc 4>;
reg-names = "input", "output";
gpio-controller;
ngpios = <32>;
syscon = <&sysinfo>;
#gpio-cells = <2>;
};
};
uart1: serial@ffffffd0 {
compatible = "neorv32-uart";
status = "disabled";
reg = <0xffffffd0 8>;
interrupts = <4>, <5>;
interrupt-names = "RX", "TX";
syscon = <&sysinfo>;
};
sysinfo: syscon@ffffffe0 {
compatible = "neorv-sysinfo", "syscon";
status = "okay";
reg = <0xffffffe0 32>;
};
};
};