Commit ed09d269 authored by Jonathan Neuschäfer's avatar Jonathan Neuschäfer Committed by Joel Stanley
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ARM: dts: Add devicetree for Nuvoton WPCM450 BMC chip 



The WPCM450 is an older BMC SoC in the Nuvoton NPCM family, originally
marketed as Winbond WPCM450.

This patch adds a devicetree with basic functionality.

Signed-off-by: default avatarJonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: default avatarJoel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210406120921.2484986-9-j.neuschaefer@gmx.net


Signed-off-by: default avatarJoel Stanley <joel@jms.id.au>
parent 328d1c1a

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

0 → 100644
+76 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

// Copyright 2021 Jonathan Neuschäfer



#include <dt-bindings/interrupt-controller/irq.h>



/ {

	compatible = "nuvoton,wpcm450";

	#address-cells = <1>;

	#size-cells = <1>;



	cpus {

		#address-cells = <1>;

		#size-cells = <0>;



		cpu@0 {

			compatible = "arm,arm926ej-s";

			device_type = "cpu";

			reg = <0>;

		};

	};



	clk24m: clock-24mhz {

		/* 24 MHz dummy clock */

		compatible = "fixed-clock";

		clock-frequency = <24000000>;

		#clock-cells = <0>;

	};



	soc {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <1>;

		interrupt-parent = <&aic>;

		ranges;



		serial0: serial@b8000000 {

			compatible = "nuvoton,wpcm450-uart";

			reg = <0xb8000000 0x20>;

			reg-shift = <2>;

			interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&clk24m>;

			status = "disabled";

		};



		serial1: serial@b8000100 {

			compatible = "nuvoton,wpcm450-uart";

			reg = <0xb8000100 0x20>;

			reg-shift = <2>;

			interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&clk24m>;

			status = "disabled";

		};



		timer0: timer@b8001000 {

			compatible = "nuvoton,wpcm450-timer";

			interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;

			reg = <0xb8001000 0x1c>;

			clocks = <&clk24m>;

		};



		watchdog0: watchdog@b800101c {

			compatible = "nuvoton,wpcm450-wdt";

			interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;

			reg = <0xb800101c 0x4>;

			clocks = <&clk24m>;

			status = "disabled";

		};



		aic: interrupt-controller@b8002000 {

			compatible = "nuvoton,wpcm450-aic";

			reg = <0xb8002000 0x1000>;

			interrupt-controller;

			#interrupt-cells = <2>;

		};

	};

};