MIPS: dts: loongson: Add ISA node

ISA node is required by Loongson64 platforms to initialize
PIO support.

Kernel will hang at boot without ISA node.

Cc: stable@vger.kernel.org
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
index b2f66f6bb2fea1fb0e370a97bab97aea4023ec1d..cc7747c5f21f35c660ffdfb27c1db3730a320fdf 100644 (file)
--- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
+++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
@@ -44,6 +44,13 @@
                        0 0x40000000 0 0x40000000 0 0x40000000
                        0xfe 0x00000000 0xfe 0x00000000 0 0x40000000>;
 
+               isa@18000000 {
+                       compatible = "isa";
+                       #size-cells = <1>;
+                       #address-cells = <2>;
+                       ranges = <1 0x0 0x0 0x18000000 0x4000>;
+               };
+
                pm: reset-controller@1fe07000 {
                        compatible = "loongson,ls2k-pm";
                        reg = <0 0x1fe07000 0 0x422>;