linux-kernel - [PATCH v2 6/6] arm64: dts: Change PCIe INTx mapping for NS2

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Message-Id: <1566982488-9673-7-git-send-email-srinath.mannam@broadcom.com>
Date:   Wed, 28 Aug 2019 14:24:48 +0530
From:   Srinath Mannam <srinath.mannam@...adcom.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Arnd Bergmann <arnd@...db.de>
Cc:     bcm-kernel-feedback-list@...adcom.com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Ray Jui <ray.jui@...adcom.com>,
        Srinath Mannam <srinath.mannam@...adcom.com>
Subject: [PATCH v2 6/6] arm64: dts: Change PCIe INTx mapping for NS2

From: Ray Jui <ray.jui@...adcom.com>

Change the PCIe INTx mapping to model the 4 INTx interrupts in the
IRQ domain of the iProc PCIe controller itself

Signed-off-by: Ray Jui <ray.jui@...adcom.com>
Signed-off-by: Srinath Mannam <srinath.mannam@...adcom.com>
---
 arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi | 28 ++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi b/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi
index 15f7b0e..d639928 100644
--- a/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi
+++ b/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi
@@ -117,8 +117,11 @@
 		dma-coherent;
 
 		#interrupt-cells = <1>;
-		interrupt-map-mask = <0 0 0 0>;
-		interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 281 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-map-mask = <0 0 0 7>;
+		interrupt-map = <0 0 0 1 &pcie0_intc 1>,
+				<0 0 0 2 &pcie0_intc 2>,
+				<0 0 0 3 &pcie0_intc 3>,
+				<0 0 0 4 &pcie0_intc 4>;
 
 		linux,pci-domain = <0>;
 
@@ -140,6 +143,13 @@
 		phy-names = "pcie-phy";
 
 		msi-parent = <&v2m0>;
+		pcie0_intc: interrupt-controller {
+			compatible = "brcm,iproc-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SPI 281 IRQ_TYPE_LEVEL_HIGH>;
+		};
 	};
 
 	pcie4: pcie@...20000 {
@@ -148,8 +158,11 @@
 		dma-coherent;
 
 		#interrupt-cells = <1>;
-		interrupt-map-mask = <0 0 0 0>;
-		interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-map-mask = <0 0 0 7>;
+		interrupt-map = <0 0 0 1 &pcie4_intc 1>,
+				<0 0 0 2 &pcie4_intc 2>,
+				<0 0 0 3 &pcie4_intc 3>,
+				<0 0 0 4 &pcie4_intc 4>;
 
 		linux,pci-domain = <4>;
 
@@ -171,6 +184,13 @@
 		phy-names = "pcie-phy";
 
 		msi-parent = <&v2m0>;
+		pcie4_intc: interrupt-controller {
+			compatible = "brcm,iproc-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>;
+		};
 	};
 
 	pcie8: pcie@...00000 {
-- 
2.7.4