[PATCH v2 0/7] LoongArch: DTS: Fix dtbs_check warnings

[Binbin Zhou <zhoubinbin@loongson.cn>]

Hi all:

As Krzysztof pointed out in the OSS talk, LoongArch only has three DTS,
but has a bunch of warnings. The patchset attempts to fix them.

Patch-1 and patch-3 are taken from Yao[1],thanks a lot!

[1]: https://lore.kernel.org/all/20251209140006.54821-1-me@ziyao.cc/

Test environment and results: 

Package                   Version
------------------------- -----------
attrs                     25.4.0
dtschema                  2025.12
jsonschema                4.25.1
jsonschema-specifications 2025.9.1
pip                       25.3
pylibfdt                  1.7.2.post1
referencing               0.37.0
rfc3987                   1.3.8
rpds-py                   0.30.0
ruamel.yaml               0.18.16
ruamel.yaml.clib          0.2.15
typing_extensions         4.15.0

---------
make dtbs_check W=1

  SYNC    include/config/auto.conf
  UPD     include/config/kernel.release
  DTC [C] arch/loongarch/boot/dts/loongson-2k0500-ref.dtb
  DTC [C] arch/loongarch/boot/dts/loongson-2k1000-ref.dtb
  DTC [C] arch/loongarch/boot/dts/loongson-2k2000-ref.dtb

========
V2:
patch(1/7)(3/7):
 - Add my own Signed-off-by tag;

patch(2/7):
 - Define the value of #address-cells to 0;

patch(5/7):
 - Set `#address-cells = <0>` to liointc0 node;

patch(7/7):
 - Fix commit msg about `i2c@address`;
 - Add Reviewed-by tag form Krzysztof, thanks.

Link to V1:
https://lore.kernel.org/all/cover.1765778124.git.zhoubinbin@loongson.cn/

Thanks.
Binbin

Binbin Zhou (5):
  dt-bindings: interrupt-controller: loongson,pch-pic: Change to
    unevaluatedProperties
  LoongArch: dts: loongson-2k0500: Add default Extend I/O Interrupt
    controller address cells
  LoongArch: dts: loongson-2k1000: Add default Local I/O Interrupt
    controller address cells
  LoongArch: dts: loongson-2k2000: Add default PCH PIC controller
    address cells
  LoongArch: dts: loongson-2k1000: Fix i2c-gpio node names

Yao Zi (2):
  dt-bindings: PCI: loongson: Document msi-parent property
  LoongArch: dts: Describe PCI sideband IRQ through interrupt-extended

 .../loongson,pch-pic.yaml                     | 10 +++++-
 .../devicetree/bindings/pci/loongson.yaml     |  2 ++
 arch/loongarch/boot/dts/loongson-2k0500.dtsi  |  1 +
 arch/loongarch/boot/dts/loongson-2k1000.dtsi  | 31 ++++++++---------
 arch/loongarch/boot/dts/loongson-2k2000.dtsi  | 33 ++++++++-----------
 5 files changed, 38 insertions(+), 39 deletions(-)


base-commit: 4c2aab372d819471df4fec9e3240d80938fcc983
-- 
2.47.3