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LoongArch: Update dts for Loongson-2K2000 to support PCI-MSI 

Current dts file for Loongson-2K2000 misses the interrupt-controller &
interrupt-cells descriptions in the msi-controller node, and misses the
msi-parent link in the pci root node. Add them to support PCI-MSI.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Huacai Chen 2024-04-10 21:08:51 +08:00
parent b07b9f353d
commit 84892cebdc
1 changed files with 3 additions and 0 deletions
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arch/loongarch/boot/dts/loongson-2k2000.dtsi
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@ -116,6 +116,8 @@
msi: msi-controller@1fe01140 {
compatible = "loongson,pch-msi-1.0";
reg = <0x0 0x1fe01140 0x0 0x8>;
interrupt-controller;
#interrupt-cells = <1>;
msi-controller;
loongson,msi-base-vec = <64>;
loongson,msi-num-vecs = <192>;
@ -147,6 +149,7 @@
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
msi-parent = <&msi>;
bus-range = <0x0 0xff>;
ranges = <0x01000000 0x0 0x00008000 0x0 0x18408000 0x0 0x00008000>,
<0x02000000 0x0 0x60000000 0x0 0x60000000 0x0 0x20000000>;