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Subject[PATCH v2 4/5] dt-bindings: Document brcm,int-fwd-mask property for bcm7038-l1-intc
Date
Indicate that the brcm,int-fwd-mask property is optional and can be
optionaly set on platforms which require to leave specific interrupts
untouched from Linux and retain the firmware configuration.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
.../bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt | 4 ++++
1 file changed, 4 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..31d31af408c5 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt
@@ -36,6 +36,10 @@ 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 untouched.
+ 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
--
2.17.1
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