[PATCH 2/6] dt-bindings: Document brcm,irq-can-wake for brcm,bcm7038-l1-intc.txt

From: Florian Fainelli
Date: Fri Sep 13 2019 - 15:10:51 EST

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>
.../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 2117d4ac1ae5..4eb043270f5b 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