[PATCH 05/10] MIPS: dts: loongson: Add ISA node

From: Jiaxun Yang
Date: Fri Jun 14 2024 - 11:42:03 EST


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

Kernel will hang at boot without ISA node.

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
---
arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
index b2f66f6bb2fe..cc7747c5f21f 100644
--- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
+++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
@@ -44,6 +44,13 @@ package0: bus@10000000 {
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>;

--
2.43.0