LoongArch: Update dts for Loongson-2K2000 to support ISA/LPC

Some Loongson-2K2000 platforms have ISA/LPC devices such as Super-IO,
define an ISA node in the dts file to avoid access error. Also adjust
the PCI io resource range to avoid confliction.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

diff --git a/arch/loongarch/boot/dts/loongson-2k2000.dtsi b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
index a231949b5f553a3814f48f6875e65ac2ed73d09a..dcee9f3783fddacdbdb84a997f27f1e57671e00d 100644 (file)
--- a/arch/loongarch/boot/dts/loongson-2k2000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
@@ -51,6 +51,13 @@
                #address-cells = <2>;
                #size-cells = <2>;
 
+               isa@18400000 {
+                       compatible = "isa";
+                       #size-cells = <1>;
+                       #address-cells = <2>;
+                       ranges = <1 0x0 0x0 0x18400000 0x4000>;
+               };
+
                pmc: power-management@100d0000 {
                        compatible = "loongson,ls2k2000-pmc", "loongson,ls2k0500-pmc", "syscon";
                        reg = <0x0 0x100d0000 0x0 0x58>;
@@ -141,7 +148,7 @@
                        #size-cells = <2>;
                        device_type = "pci";
                        bus-range = <0x0 0xff>;
-                       ranges = <0x01000000 0x0 0x00008000 0x0 0x18400000 0x0 0x00008000>,
+                       ranges = <0x01000000 0x0 0x00008000 0x0 0x18408000 0x0 0x00008000>,
                                 <0x02000000 0x0 0x60000000 0x0 0x60000000 0x0 0x20000000>;
 
                        gmac0: ethernet@3,0 {