[v2,4/5] dt-bindings: Document brcm,int-fwd-mask property for bcm7038-l1-intc
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Message ID 20190913191542.9908-5-f.fainelli@gmail.com
State Not Applicable
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Series
  • irqchip/irq-bcm7038-l1 updates
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Commit Message

Florian Fainelli Sept. 13, 2019, 7:15 p.m. UTC
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(+)

Comments

Rob Herring Sept. 30, 2019, 7:10 p.m. UTC | #1
On Fri, 13 Sep 2019 12:15:41 -0700, Florian Fainelli wrote:
> 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(+)
> 

Acked-by: Rob Herring <robh@kernel.org>

Patch
diff mbox series

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