zephyr/dts/arm/qemu-virt/qemu-virt-a53.dtsi
Abhishek Shah 681a42fc5a dts: arm: qemu-virt: Modify timer interrupt to be level-sensitive
The interrupts generated by the generic timer behave in
a level-sensitive manner. Change the DT to reflect the same.

Fixes: #25585

Signed-off-by: Abhishek Shah <abhishek.shah@broadcom.com>
2020-05-26 16:34:24 +02:00

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/*
* Copyright (c) 2019 Carlo Caione <ccaione@baylibre.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
* Derived from DTS extracted with:
*
* qemu-system-aarch64 -machine virt -cpu cortex-a53 -nographic
* -machine dumpdtb=virt.dtb
*
* dtc -I dtb -O dts virt.dtb
*/
#include <mem.h>
#include <arm/armv8-a.dtsi>
#include <dt-bindings/interrupt-controller/arm-gic.h>
/ {
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a53";
reg = <0>;
};
};
uartclk: apb-pclk {
compatible = "fixed-clock";
clock-frequency = <24000000>;
#clock-cells = <0>;
};
soc {
interrupt-parent = <&gic>;
gic: interrupt-controller@8000000 {
compatible = "arm,gic";
reg = <0x8000000 0x10000>,
<0x8010000 0x10000>;
interrupt-controller;
#interrupt-cells = <4>;
label = "GIC";
status = "okay";
};
uart0: uart@9000000 {
compatible = "arm,pl011";
reg = <0x9000000 0x1000>;
status = "disabled";
interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL 0>;
interrupt-names = "irq_0";
clocks = <&uartclk>;
label = "UART_0";
};
flash0: flash@0 {
compatible = "cfi-flash";
bank-width = <4>;
/* As this is pointed to by zephyr,flash we can only handle
* one value in the reg property, so we comment out the
* second flash bank for now
*/
reg = <0x0 DT_SIZE_M(64) /* 0x4000000 DT_SIZE_M(64) */>;
};
arch_timer: timer {
compatible = "arm,arm-timer";
interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL
IRQ_DEFAULT_PRIORITY>,
<GIC_PPI 14 IRQ_TYPE_LEVEL
IRQ_DEFAULT_PRIORITY>,
<GIC_PPI 11 IRQ_TYPE_LEVEL
IRQ_DEFAULT_PRIORITY>,
<GIC_PPI 10 IRQ_TYPE_LEVEL
IRQ_DEFAULT_PRIORITY>;
label = "arch_timer";
};
};
};