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From:   Marc Zyngier <maz@kernel.org>
To:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-pci@vger.kernel.org
Cc:     Bjorn Helgaas <bhelgaas@google.com>,
        Rob Herring <robh+dt@kernel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= <kw@linux.com>,
        Alyssa Rosenzweig <alyssa@rosenzweig.io>,
        Stan Skowronek <stan@corellium.com>,
        Mark Kettenis <kettenis@openbsd.org>,
        Sven Peter <sven@svenpeter.dev>,
        Hector Martin <marcan@marcan.st>,
        Robin Murphy <Robin.Murphy@arm.com>, kernel-team@android.com
Subject: [PATCH v4 07/10] arm64: apple: t8103: Add root port interrupt routing
Date:   Wed, 22 Sep 2021 21:54:55 +0100
Message-Id: <20210922205458.358517-8-maz@kernel.org>
In-Reply-To: <20210922205458.358517-1-maz@kernel.org>
References: <20210922205458.358517-1-maz@kernel.org>
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Add the interrupt-map properties that are required for INTx
signalling.

Tested-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/boot/dts/apple/t8103.dtsi | 33 +++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index 085b4e9b6a6a..a63a3d4955f8 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -382,7 +382,7 @@ pcie0: pcie@690000000 {
 			pinctrl-0 = <&pcie_pins>;
 			pinctrl-names = "default";
 
-			pci@0,0 {
+			port00: pci@0,0 {
 				device_type = "pci";
 				reg = <0x0 0x0 0x0 0x0 0x0>;
 				reset-gpios = <&pinctrl_ap 152 0>;
@@ -391,9 +391,18 @@ pci@0,0 {
 				#address-cells = <3>;
 				#size-cells = <2>;
 				ranges;
+
+				interrupt-controller;
+				#interrupt-cells = <1>;
+
+				interrupt-map-mask = <0 0 0 7>;
+				interrupt-map = <0 0 0 1 &port00 0 0 0 0>,
+						<0 0 0 2 &port00 0 0 0 1>,
+						<0 0 0 3 &port00 0 0 0 2>,
+						<0 0 0 4 &port00 0 0 0 3>;
 			};
 
-			pci@1,0 {
+			port01: pci@1,0 {
 				device_type = "pci";
 				reg = <0x800 0x0 0x0 0x0 0x0>;
 				reset-gpios = <&pinctrl_ap 153 0>;
@@ -402,9 +411,18 @@ pci@1,0 {
 				#address-cells = <3>;
 				#size-cells = <2>;
 				ranges;
+
+				interrupt-controller;
+				#interrupt-cells = <1>;
+
+				interrupt-map-mask = <0 0 0 7>;
+				interrupt-map = <0 0 0 1 &port01 0 0 0 0>,
+						<0 0 0 2 &port01 0 0 0 1>,
+						<0 0 0 3 &port01 0 0 0 2>,
+						<0 0 0 4 &port01 0 0 0 3>;
 			};
 
-			pci@2,0 {
+			port02: pci@2,0 {
 				device_type = "pci";
 				reg = <0x1000 0x0 0x0 0x0 0x0>;
 				reset-gpios = <&pinctrl_ap 33 0>;
@@ -413,6 +431,15 @@ pci@2,0 {
 				#address-cells = <3>;
 				#size-cells = <2>;
 				ranges;
+
+				interrupt-controller;
+				#interrupt-cells = <1>;
+
+				interrupt-map-mask = <0 0 0 7>;
+				interrupt-map = <0 0 0 1 &port02 0 0 0 0>,
+						<0 0 0 2 &port02 0 0 0 1>,
+						<0 0 0 3 &port02 0 0 0 2>,
+						<0 0 0 4 &port02 0 0 0 3>;
 			};
 		};
 	};
-- 
2.30.2