[PATCH v3 4/5] dt-bindings: Document brcm,int-fwd-mask property for bcm7038-l1-intc
From: Florian Fainelli
Date: Thu Oct 24 2019 - 16:14:40 EST
Indicate that the brcm,int-fwd-mask property is optional and can be set
on platforms which require to leave specific interrupts unmanaged by
Linux and need to retain the firmware configuration.
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
.../bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt
index 4eb043270f5b..5ddef1dc0c1a 100644
@@ -36,6 +36,12 @@ Optional properties:
- brcm,irq-can-wake: If present, this means the L1 controller can be used as a
wakeup source for system suspend/resume.
+- brcm,int-fwd-mask: if present, a bit mask to indicate which interrupts
+ have already been configured by the firmware and should be left unmanaged.
+ This should have one 32-bit word per status/set/clear/mask group.
If multiple reg ranges and interrupt-parent entries are present on an SMP
system, the driver will allow IRQ SMP affinity to be set up through the
/proc/irq/ interface. In the simplest possible configuration, only one