[tip: irq/core] dt-bindings: Document brcm, irq-can-wake for brcm, bcm7038-l1-intc.txt

[tip-bot2 for Florian Fainelli]

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     b94f9008f2ad551f4d6a9537b10238847cb81e5d
Gitweb:        https://git.kernel.org/tip/b94f9008f2ad551f4d6a9537b10238847cb81e5d
Author:        Florian Fainelli <f.fainelli@xxxxxxxxx>
AuthorDate:    Thu, 24 Oct 2019 13:14:12 -07:00
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Sun, 10 Nov 2019 18:47:46 

dt-bindings: Document brcm, irq-can-wake for brcm, bcm7038-l1-intc.txt

The BCM7038 L1 interrupt controller can be used as a wake-up interrupt
controller on MIPS and ARM-based systems, document the brcm,irq-can-wake
which has been "standardized" across Broadcom interrupt controllers.

Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20191024201415.23454-3-f.fainelli@xxxxxxxxx
---
 Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt | 5 +++++
 1 file changed, 5 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 2117d4a..4eb0432 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt
@@ -31,6 +31,11 @@ Required properties:
 - interrupts: specifies the interrupt line(s) in the interrupt-parent controller
   node; valid values depend on the type of parent interrupt controller
 
+Optional properties:
+
+- brcm,irq-can-wake: If present, this means the L1 controller can be used as a
+  wakeup source for system suspend/resume.
+
 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