linux-kernel - [PATCH 1/2] arm64: dts: qcom: ipq8074: enable the GICv2m support

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Date:   Tue, 8 Feb 2022 21:05:24 +0530
From:   Kathiravan T <quic_kathirav@...cinc.com>
To:     <agross@...nel.org>, <bjorn.andersson@...aro.org>,
        <robh+dt@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Kathiravan T <quic_kathirav@...cinc.com>
Subject: [PATCH 1/2] arm64: dts: qcom: ipq8074: enable the GICv2m support

GIC used in the IPQ8074 SoCs has one instance of the GICv2m extension,
which supports upto 32 MSI interrupts. Lets add support for the same.

Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>
---
 arch/arm64/boot/dts/qcom/ipq8074.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index 26ba7ce9222c..7b0258407d10 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -620,9 +620,18 @@
 
 		intc: interrupt-controller@...0000 {
 			compatible = "qcom,msm-qgic2";
+			#address-cells = <1>;
+			#size-cells = <1>;
 			interrupt-controller;
 			#interrupt-cells = <0x3>;
 			reg = <0x0b000000 0x1000>, <0x0b002000 0x1000>;
+			ranges = <0 0xb00a000 0xffd>;
+
+			v2m@0 {
+				compatible = "arm,gic-v2m-frame";
+				msi-controller;
+				reg = <0x0 0xffd>;
+			};
 		};
 
 		timer {
-- 
2.7.4