linux-kernel - [PATCH 1/3] dt-bindings: irqchip: ti,sci-inta: Fix warning '#interrupt-cells' was unexpected

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Date:   Sat, 20 Aug 2022 00:37:27 +0530
From:   Apurva Nandan <a-nandan@...com>
To:     Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-mmc@...r.kernel.org>
CC:     Apurva Nandan <a-nandan@...com>, Hari Nagalla <hnagalla@...com>
Subject: [PATCH 1/3] dt-bindings: irqchip: ti,sci-inta: Fix warning '#interrupt-cells' was unexpected

#interrupt-cells = <0> property is required in device tree for
ti,sci-inta nodes, or else we will have following warning when building
device tree files with W=2 warning level.

arch/arm64/boot/dts/ti/k3-j721e-main.dtsi:147.51-156.5: Warning (interrupt_provider): /bus@...000/main-navss/interrupt-controller@...00000: Missing #interrupt-cells in interrupt provider

And further, #interrupt-cells is required to be in yaml bindings as well
to prevent following schema warnings:

k3-j721e-common-proc-board.dtb: interrupt-controller@...00000: Unevaluated properties are not allowed ('#interrupt-cells' was unexpected)
>From schema: linux/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml

Add #interrupt-cells property in ti,sci-inta.yaml

Signed-off-by: Apurva Nandan <a-nandan@...com>
---
 .../devicetree/bindings/interrupt-controller/ti,sci-inta.yaml  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml
index 88c46e61732e..1151518859bd 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml
@@ -59,6 +59,9 @@ properties:
 
   interrupt-controller: true
 
+  '#interrupt-cells':
+    const: 0
+
   msi-controller: true
 
   ti,interrupt-ranges:
-- 
2.17.1