[PATCH v4 07/10] arm64: apple: t8103: Add root port interrupt routing

From: Marc Zyngier
Date: Wed Sep 22 2021 - 16:55:57 EST


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

Tested-by: Alyssa Rosenzweig <alyssa@xxxxxxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
---
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