diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml b/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml index 698588e9aa86..4be9b596a790 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml @@ -31,13 +31,25 @@ description: | This device also represents the FIQ interrupt sources on platforms using AIC, which do not go through a discrete interrupt controller. + IPIs may be performed via MMIO registers on all variants of AIC. Starting + from A11, system registers may also be used for "fast" IPIs. Starting from + M1, even faster IPIs within the same cluster may be achieved by writing to + a "local" fast IPI register as opposed to using the "global" fast IPI + register. + allOf: - $ref: /schemas/interrupt-controller.yaml# properties: compatible: items: - - const: apple,t8103-aic + - enum: + - apple,s5l8960x-aic + - apple,t7000-aic + - apple,s8000-aic + - apple,t8010-aic + - apple,t8015-aic + - apple,t8103-aic - const: apple,aic interrupt-controller: true |