linux-kernel - [PATCH RFC 1/2] dt-bindings: Define interrupt type for SGI interrupts

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Date:   Tue, 22 Oct 2019 17:05:46 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        bcm-kernel-feedback-list@...adcom.com (maintainer:BROADCOM
        BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2835
        ARM ARCHITECTURE),
        Souvik Chakravarty <Souvik.Chakravarty@....com>,
        Jim Quinlan <james.quinlan@...adcom.com>,
        Sudeep Holla <Sudeep.Holla@....com>,
        Thanu Rangarajan <Thanu.Rangarajan@....com>
Subject: [PATCH RFC 1/2] dt-bindings: Define interrupt type for SGI interrupts

In preparation for allowing drivers to use SGIs, define a new value for
the first ARM GIC interrupt controller cell to take a new value to
specifically designate a SGI interrupt.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 .../devicetree/bindings/interrupt-controller/arm,gic.yaml       | 2 +-
 include/dt-bindings/interrupt-controller/arm-gic.h              | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic.yaml b/Documentation/devicetree/bindings/interrupt-controller/arm,gic.yaml
index 9a47820ef346..2d0bfcbe4933 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic.yaml
@@ -58,7 +58,7 @@ properties:
     const: 3
     description: |
       The 1st cell is the interrupt type; 0 for SPI interrupts, 1 for PPI
-      interrupts.
+      interrupts and 2 for SGI interrupts.
 
       The 2nd cell contains the interrupt number for the interrupt type.
       SPI interrupts are in the range [0-987].  PPI interrupts are in the
diff --git a/include/dt-bindings/interrupt-controller/arm-gic.h b/include/dt-bindings/interrupt-controller/arm-gic.h
index 35b6f69b7db6..2dcc394b7b6b 100644
--- a/include/dt-bindings/interrupt-controller/arm-gic.h
+++ b/include/dt-bindings/interrupt-controller/arm-gic.h
@@ -12,6 +12,7 @@
 
 #define GIC_SPI 0
 #define GIC_PPI 1
+#define GIC_SGI 2
 
 /*
  * Interrupt specifier cell 2.
-- 
2.17.1