diff options
| -rw-r--r-- | Documentation/devicetree/bindings/timer/arm,arch_timer.yaml | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml b/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml index c5fc3b6c8bd0..c65e48a155ab 100644 --- a/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml +++ b/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml @@ -10,13 +10,8 @@ maintainers: - Marc Zyngier <marc.zyngier@arm.com> - Mark Rutland <mark.rutland@arm.com> description: |+ - ARM cores may have a per-core architected timer, which provides per-cpu timers, - or a memory mapped architected timer, which provides up to 8 frames with a - physical and optional virtual timer per frame. - - The per-core architected timer is attached to a GIC to deliver its - per-processor interrupts via PPIs. The memory mapped timer is attached to a GIC - to deliver its interrupts via SPIs. + The per-core architected timer is expected to deliver per-CPU interrupts + (commonly to a GIC to deliver its per-processor interrupts as PPIs). properties: compatible: @@ -33,13 +28,13 @@ properties: - const: arm,armv7-timer interrupts: - minItems: 1 + minItems: 2 items: - - description: secure timer irq - - description: non-secure timer irq - - description: virtual timer irq - - description: hypervisor timer irq - - description: hypervisor virtual timer irq + - description: EL1 secure physical timer irq, if EL3 is implemented + - description: EL1 non-secure physical timer irq + - description: EL1 virtual timer irq + - description: EL2 physical timer irq, if EL2 is implemented + - description: EL2 virtual timer irq, if FEAT_VHE is implemented interrupt-names: oneOf: |