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Message-Id: <1576814058-30003-5-git-send-email-srinath.mannam@broadcom.com>
Date:   Fri, 20 Dec 2019 09:24:16 +0530
From:   Srinath Mannam <srinath.mannam@...adcom.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Andrew Murray <andrew.murray@....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 v4 4/6] arm: dts: Change PCIe INTx mapping for NSP

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/arm/boot/dts/bcm-nsp.dtsi | 45 ++++++++++++++++++++++++++++++++++++------
 1 file changed, 39 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
index da6d70f..6d73221 100644
--- a/arch/arm/boot/dts/bcm-nsp.dtsi
+++ b/arch/arm/boot/dts/bcm-nsp.dtsi
@@ -529,8 +529,11 @@
 		reg = <0x18012000 0x1000>;
 
 		#interrupt-cells = <1>;
-		interrupt-map-mask = <0 0 0 0>;
-		interrupt-map = <0 0 0 0 &gic GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-map-mask = <0 0 0 7>;
+		interrupt-map = <0 0 0 1 &pcie0_intc 0>,
+				<0 0 0 2 &pcie0_intc 1>,
+				<0 0 0 3 &pcie0_intc 2>,
+				<0 0 0 4 &pcie0_intc 3>;
 
 		linux,pci-domain = <0>;
 
@@ -559,6 +562,14 @@
 				     <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>;
 			brcm,pcie-msi-inten;
 		};
+
+		pcie0_intc: interrupt-controller {
+			compatible = "brcm,iproc-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
+		};
 	};
 
 	pcie1: pcie@...13000 {
@@ -566,8 +577,11 @@
 		reg = <0x18013000 0x1000>;
 
 		#interrupt-cells = <1>;
-		interrupt-map-mask = <0 0 0 0>;
-		interrupt-map = <0 0 0 0 &gic GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-map-mask = <0 0 0 7>;
+		interrupt-map = <0 0 0 1 &pcie1_intc 0>,
+				<0 0 0 2 &pcie1_intc 1>,
+				<0 0 0 3 &pcie1_intc 2>,
+				<0 0 0 4 &pcie1_intc 3>;
 
 		linux,pci-domain = <1>;
 
@@ -596,6 +610,14 @@
 				     <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
 			brcm,pcie-msi-inten;
 		};
+
+		pcie1_intc: interrupt-controller {
+			compatible = "brcm,iproc-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
+		};
 	};
 
 	pcie2: pcie@...14000 {
@@ -603,8 +625,11 @@
 		reg = <0x18014000 0x1000>;
 
 		#interrupt-cells = <1>;
-		interrupt-map-mask = <0 0 0 0>;
-		interrupt-map = <0 0 0 0 &gic GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-map-mask = <0 0 0 7>;
+		interrupt-map = <0 0 0 1 &pcie2_intc 0>,
+				<0 0 0 2 &pcie2_intc 1>,
+				<0 0 0 3 &pcie2_intc 2>,
+				<0 0 0 4 &pcie2_intc 3>;
 
 		linux,pci-domain = <2>;
 
@@ -633,6 +658,14 @@
 				     <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;
 			brcm,pcie-msi-inten;
 		};
+
+		pcie2_intc: interrupt-controller {
+			compatible = "brcm,iproc-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
+		};
 	};
 
 	thermal-zones {
-- 
2.7.4

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