Message ID | 20210402090542.131194-6-marcan@marcan.st |
---|---|
State | Not Applicable, archived |
Headers | show |
Series | Apple M1 SoC platform bring-up | expand |
Context | Check | Description |
---|---|---|
robh/checkpatch | success | |
robh/dt-meta-schema | success | |
robh/dtbs-check | fail | build log |
On Fri, 02 Apr 2021 18:05:29 +0900, Hector Martin wrote: > Not all platforms provide the same set of timers/interrupts, and Linux > only needs one (plus kvm/guest ones); some platforms are working around > this by using dummy fake interrupts. Implementing interrupt-names allows > the devicetree to specify an arbitrary set of available interrupts, so > the timer code can pick the right one. > > This also adds the hyp-virt timer/interrupt, which was previously not > expressed in the fixed 4-interrupt form. > > Reviewed-by: Linus Walleij <linus.walleij@linaro.org> > Acked-by: Marc Zyngier <maz@kernel.org> > Reviewed-by: Tony Lindgren <tony@atomide.com> > Signed-off-by: Hector Martin <marcan@marcan.st> > --- > .../bindings/timer/arm,arch_timer.yaml | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml b/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml index 2c75105c1398..7f5e3af58255 100644 --- a/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml +++ b/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml @@ -34,11 +34,30 @@ properties: - arm,armv8-timer interrupts: + minItems: 1 + maxItems: 5 items: - description: secure timer irq - description: non-secure timer irq - description: virtual timer irq - description: hypervisor timer irq + - description: hypervisor virtual timer irq + + interrupt-names: + oneOf: + - minItems: 2 + items: + - const: phys + - const: virt + - const: hyp-phys + - const: hyp-virt + - minItems: 3 + items: + - const: sec-phys + - const: phys + - const: virt + - const: hyp-phys + - const: hyp-virt clock-frequency: description: The frequency of the main counter, in Hz. Should be present