linux-kernel - [PATCH v3 07/10] arm64: apple: t8103: Add root port interrupt routing

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Message-Id: <20210913182550.264165-8-maz@kernel.org>
Date:   Mon, 13 Sep 2021 19:25:47 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Stan Skowronek <stan@...ellium.com>,
        Mark Kettenis <kettenis@...nbsd.org>,
        Sven Peter <sven@...npeter.dev>,
        Hector Martin <marcan@...can.st>,
        Robin Murphy <Robin.Murphy@....com>, kernel-team@...roid.com
Subject: [PATCH v3 07/10] arm64: apple: t8103: Add root port interrupt routing

Add the interrupt-map properties that are required for INTx
signalling.

Signed-off-by: Marc Zyngier <maz@...nel.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 0d2872d9b2d0..8e1f24c3f41f 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -382,7 +382,7 @@ pcie0: pcie@...000000 {
 			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