linux-kernel - [tip: irq/core] dt-bindings: Document brcm, int-fwd-mask property for bcm7038-l1-intc

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Date:   Wed, 20 Nov 2019 13:21:06 -0000
From:   "tip-bot2 for Florian Fainelli" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Marc Zyngier <maz@...nel.org>, Rob Herring <robh@...nel.org>,
        Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...en8.de>,
        linux-kernel@...r.kernel.org
Subject: [tip: irq/core] dt-bindings: Document brcm, int-fwd-mask property for
 bcm7038-l1-intc

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

Commit-ID:     e14b5e5ff0841270e6262e3e5fd69ad764a80aee
Gitweb:        https://git.kernel.org/tip/e14b5e5ff0841270e6262e3e5fd69ad764a80aee
Author:        Florian Fainelli <f.fainelli@...il.com>
AuthorDate:    Thu, 24 Oct 2019 13:14:14 -07:00
Committer:     Marc Zyngier <maz@...nel.org>
CommitterDate: Sun, 10 Nov 2019 18:47:47 

dt-bindings: Document brcm, int-fwd-mask property for bcm7038-l1-intc

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.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Marc Zyngier <maz@...nel.org>
Acked-by: Rob Herring <robh@...nel.org>
Link: https://lore.kernel.org/r/20191024201415.23454-5-f.fainelli@gmail.com
---
 Documentation/devicetree/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 4eb0432..5ddef1d 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 +36,12 @@ Optional properties:
 - brcm,irq-can-wake: If present, this means the L1 controller can be used as a
   wakeup source for system suspend/resume.
 
+Optional properties:
+
+- 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