linux-kernel - [PATCH v3] arm64: dts: qcom: sm8550: Increase supported MSI interrupts

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Date: Mon,  4 Mar 2024 18:54:08 -0800
From: Qiang Yu <qianyu@....qualcomm.com>
To: andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_cang@...cinc.com,
        quic_mrana@...cinc.com, quic_qianyu@...cinc.com
Subject: [PATCH v3] arm64: dts: qcom: sm8550: Increase supported MSI interrupts

From: Qiang Yu <quic_qianyu@...cinc.com>

On sm8550, synopsys MSI controller supports 256 MSI interrupts. Hence,
enable all GIC interrupts required by MSI controller for PCIe0 and PCIe1.

Signed-off-by: Qiang Yu <quic_qianyu@...cinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
v1->v2: make interrupt-names one per line
v2->v3: delete dot in the end of subject

 arch/arm64/boot/dts/qcom/sm8550.dtsi | 36 ++++++++++++++++++++++++----
 1 file changed, 32 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index ee1ba5a8c8fc..3f413cba2428 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -1713,8 +1713,22 @@ pcie0: pcie@...0000 {
 			linux,pci-domain = <0>;
 			num-lanes = <2>;
 
-			interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;
-			interrupt-names = "msi";
+			interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
+				     <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>,
+				     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "msi0",
+					  "msi1",
+					  "msi2",
+					  "msi3",
+					  "msi4",
+					  "msi5",
+					  "msi6",
+					  "msi7";
 
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 0x7>;
@@ -1804,8 +1818,22 @@ pcie1: pcie@...8000 {
 			linux,pci-domain = <1>;
 			num-lanes = <2>;
 
-			interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>;
-			interrupt-names = "msi";
+			interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>,
+				     <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";
 
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 0x7>;
-- 
2.34.1