linux-kernel - [PATCH 08/23] arm64: dts: qcom: sa8775p: Add 'global' PCIe interrupt

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Message-Id: <20250227-pcie-global-irq-v1-8-2b70a7819d1e@linaro.org>
Date: Thu, 27 Feb 2025 19:10:50 +0530
From: Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.linaro.org@...nel.org>
To: Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kw@...ux.com>, 
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, cros-qcom-dts-watchers@...omium.org
Cc: linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 08/23] arm64: dts: qcom: sa8775p: Add 'global' PCIe
 interrupt

From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

'global' interrupt is used to receive PCIe controller and link specific
events.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 arch/arm64/boot/dts/qcom/sa8775p.dtsi | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 3394ae2d1300..05a3eb06d182 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -6421,9 +6421,17 @@ pcie0: pcie@...0000 {
 			     <GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>;
-		interrupt-names = "msi0", "msi1", "msi2", "msi3",
-				  "msi4", "msi5", "msi6", "msi7";
+			     <GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "msi0",
+				  "msi1",
+				  "msi2",
+				  "msi3",
+				  "msi4",
+				  "msi5",
+				  "msi6",
+				  "msi7",
+				  "global";
 		#interrupt-cells = <1>;
 		interrupt-map-mask = <0 0 0 0x7>;
 		interrupt-map = <0 0 0 1 &intc GIC_SPI 434 IRQ_TYPE_LEVEL_HIGH>,
@@ -6579,9 +6587,17 @@ pcie1: pcie@...0000 {
 			     <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
-		interrupt-names = "msi0", "msi1", "msi2", "msi3",
-				  "msi4", "msi5", "msi6", "msi7";
+			     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 518 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "msi0",
+				  "msi1",
+				  "msi2",
+				  "msi3",
+				  "msi4",
+				  "msi5",
+				  "msi6",
+				  "msi7",
+				  "global";
 		#interrupt-cells = <1>;
 		interrupt-map-mask = <0 0 0 0x7>;
 		interrupt-map = <0 0 0 1 &intc GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,

-- 
2.25.1