arm-trusted-firmware/include/dt-bindings
Alexei Fedorov dfa6c54071 Plat FVP: Fix Generic Timer interrupt types
The Arm Generic Timer specification mandates that the
interrupt associated with each timer is low level triggered,
see:

Arm Cortex-A76 Core:
"Each timer provides an active-LOW interrupt output to the SoC."

Arm Cortex-A53 MPCore Processor:
"It generates timer events as active-LOW interrupt outputs and
event streams."

The following files in fdts\

fvp-base-gicv3-psci-common.dtsi
fvp-base-gicv3-psci-aarch32-common.dtsi
fvp-base-gicv2-psci-aarch32.dts
fvp-base-gicv2-psci.dts
fvp-foundation-gicv2-psci.dts
fvp-foundation-gicv3-psci.dts

describe interrupt types as edge rising
IRQ_TYPE_EDGE_RISING = 0x01:

interrupts = <1 13 0xff01>,
             <1 14 0xff01>,
             <1 11 0xff01>,
             <1 10 0xff01>;

, see include\dt-bindings\interrupt-controller\arm-gic.h:

which causes Linux to generate the warnings below:
arch_timer: WARNING: Invalid trigger for IRQ5, assuming level low
arch_timer: WARNING: Please fix your firmware

This patch adds GIC_CPU_MASK_RAW macro definition to
include\dt-bindings\interrupt-controller\arm-gic.h,
modifies interrupt type to IRQ_TYPE_LEVEL_LOW and
makes use of type definitions in arm-gic.h.

Change-Id: Iafa2552a9db85a0559c73353f854e2e0066ab2b9
Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
2021-04-21 14:38:15 +02:00
..
clock dts: bindings: stm32mp1: define SCMI clock and reset domain IDs 2020-07-16 17:35:19 +02:00
interrupt-controller Plat FVP: Fix Generic Timer interrupt types 2021-04-21 14:38:15 +02:00
pinctrl fdts: stm32mp1: realign device tree with kernel 2020-09-24 09:07:57 +02:00
reset dts: bindings: stm32mp1: define SCMI clock and reset domain IDs 2020-07-16 17:35:19 +02:00
soc drivers: introduce ST ETZPC driver 2020-06-03 15:53:46 +02:00