arch/arm/boot/dts/nuvoton-wpcm450.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 // Copyright 2021 Jonathan Neuschäfer
   3
   4 #include <dt-bindings/interrupt-controller/irq.h>
   5
   6 / {
   7         compatible = "nuvoton,wpcm450";
   8         #address-cells = <1>;
   9         #size-cells = <1>;
  10
  11         cpus {
  12                 #address-cells = <1>;
  13                 #size-cells = <0>;
  14
  15                 cpu@0 {
  16                         compatible = "arm,arm926ej-s";
  17                         device_type = "cpu";
  18                         reg = <0>;
  19                 };
  20         };
  21
  22         clk24m: clock-24mhz {
  23                 /* 24 MHz dummy clock */
  24                 compatible = "fixed-clock";
  25                 clock-frequency = <24000000>;
  26                 #clock-cells = <0>;
  27         };
  28
  29         soc {
  30                 compatible = "simple-bus";
  31                 #address-cells = <1>;
  32                 #size-cells = <1>;
  33                 interrupt-parent = <&aic>;
  34                 ranges;
  35
  36                 serial0: serial@b8000000 {
  37                         compatible = "nuvoton,wpcm450-uart";
  38                         reg = <0xb8000000 0x20>;
  39                         reg-shift = <2>;
  40                         interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
  41                         clocks = <&clk24m>;
  42                         status = "disabled";
  43                 };
  44
  45                 serial1: serial@b8000100 {
  46                         compatible = "nuvoton,wpcm450-uart";
  47                         reg = <0xb8000100 0x20>;
  48                         reg-shift = <2>;
  49                         interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
  50                         clocks = <&clk24m>;
  51                         status = "disabled";
  52                 };
  53
  54                 timer0: timer@b8001000 {
  55                         compatible = "nuvoton,wpcm450-timer";
  56                         interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
  57                         reg = <0xb8001000 0x1c>;
  58                         clocks = <&clk24m>;
  59                 };
  60
  61                 watchdog0: watchdog@b800101c {
  62                         compatible = "nuvoton,wpcm450-wdt";
  63                         interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
  64                         reg = <0xb800101c 0x4>;
  65                         clocks = <&clk24m>;
  66                         status = "disabled";
  67                 };
  68
  69                 aic: interrupt-controller@b8002000 {
  70                         compatible = "nuvoton,wpcm450-aic";
  71                         reg = <0xb8002000 0x1000>;
  72                         interrupt-controller;
  73                         #interrupt-cells = <2>;
  74                 };
  75         };
  76 };