dt-bindings: apple,aic: Add CPU PMU per-cpu pseudo-interrupts
authorMarc Zyngier <maz@kernel.org>
Mon, 1 Nov 2021 19:58:42 +0000 (19:58 +0000)
committerMarc Zyngier <maz@kernel.org>
Mon, 7 Feb 2022 16:00:41 +0000 (16:00 +0000)
Advertise the two pseudo-interrupts that tied to the two PMU
flavours present in the Apple M1 SoC.

We choose the expose two different pseudo-interrupts to the OS
as the e-core PMU is obviously different from the p-core one,
effectively presenting two different devices.

Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
include/dt-bindings/interrupt-controller/apple-aic.h

index 97359024709af51f5b5ff8649477bcc80be70bcd..c7577d401786c610cd4c2f420f60c8cd2060b18d 100644 (file)
@@ -56,6 +56,8 @@ properties:
           - 1: virtual HV timer
           - 2: physical guest timer
           - 3: virtual guest timer
+          - 4: 'efficient' CPU PMU
+          - 5: 'performance' CPU PMU
 
       The 3rd cell contains the interrupt flags. This is normally
       IRQ_TYPE_LEVEL_HIGH (4).
index 604f2bb30ac0d674efaaaa480f52e0cfb890a67c..bf3aac0e5491559c82f3ca741453a85917f35089 100644 (file)
@@ -11,5 +11,7 @@
 #define AIC_TMR_HV_VIRT                1
 #define AIC_TMR_GUEST_PHYS     2
 #define AIC_TMR_GUEST_VIRT     3
+#define AIC_CPU_PMU_E          4
+#define AIC_CPU_PMU_P          5
 
 #endif