LoongArch: Update dts for Loongson-2K1000 to support ISA/LPC

Some Loongson-2K1000 platforms have ISA/LPC devices such as Super-IO,
define an ISA node in the dts file to avoid access error.

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

diff --git a/arch/loongarch/boot/dts/loongson-2k1000.dtsi b/arch/loongarch/boot/dts/loongson-2k1000.dtsi
index 49a70f8c3cab22b758dd290a9fab2374a62abae9..b6aeb1f70e2a038ac2eb3bfe6c402bd37b4dcd6a 100644 (file)
--- a/arch/loongarch/boot/dts/loongson-2k1000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k1000.dtsi
@@ -100,6 +100,13 @@
                #size-cells = <2>;
                dma-coherent;
 
+               isa@18000000 {
+                       compatible = "isa";
+                       #size-cells = <1>;
+                       #address-cells = <2>;
+                       ranges = <1 0x0 0x0 0x18000000 0x4000>;
+               };
+
                liointc0: interrupt-controller@1fe01400 {
                        compatible = "loongson,liointc-2.0";
                        reg = <0x0 0x1fe01400 0x0 0x40>,