Add the Loongson-2 SoC chipid binding with DT schema format using
json-schema.
Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
---
Change in v3:
1. Drop "driver" and describe instead what is GUTS, including
its acronym.
2. Add desciption about the SoC register.
3. Fixup dts node name.
4. Replace string loongson2/Loongson2 with loongson-2/Loongson-2
in binding file and commit message.
.../bindings/hwinfo/loongson,ls2k-chipid.yaml | 38 +++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 39 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml
diff --git a/Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml b/Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml
new file mode 100644
index 000000000000..9d0c36ec1982
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwinfo/loongson,ls2k-chipid.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-2 SoC ChipID
+
+maintainers:
+ - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
+
+description: |
+ Loongson-2 SoC contains many groups of global utilities register
+ blocks, of which the ChipID group registers record SoC version,
+ feature, vendor and id information.
+
+properties:
+ compatible:
+ const: loongson,ls2k-chipid
+
+ reg:
+ maxItems: 1
+
+ little-endian: true
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ chipid: chipid@1fe00000 {
+ compatible = "loongson,ls2k-chipid";
+ reg = <0x1fe00000 0x3ffc>;
+ little-endian;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index a02d45dd21ce..072da0f47f14 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11934,6 +11934,7 @@ LOONGSON-2 SOC SERIES GUTS DRIVER
M: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
L: loongarch@xxxxxxxxxxxxxxx
S: Maintained
+F: Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml
F: drivers/soc/loongson/loongson2_guts.c
LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
--
2.31.1
