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Subject[PATCH 2/4] LoongArch: Update dts for Loongson-2K2000 to support ISA/LPC
Date
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>
---
arch/loongarch/boot/dts/loongson-2k2000.dtsi | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/loongarch/boot/dts/loongson-2k2000.dtsi b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
index a231949b5f55..dcee9f3783fd 100644
--- a/arch/loongarch/boot/dts/loongson-2k2000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
@@ -51,6 +51,13 @@ bus@10000000 {
#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 @@ pcie@1a000000 {
#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 {
--
2.43.0

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