Commit 84892ceb authored by Huacai Chen's avatar Huacai Chen
Browse files

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: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent b07b9f35

arch/loongarch/boot/dts/loongson-2k2000.dtsi

+3 −0
Original line number Diff line number Diff line
@@ -116,6 +116,8 @@ pic: interrupt-controller@10000000 { 
		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 @@ pcie@1a000000 { 
			#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>;