[PATCH 03/12] dt-bindings: riscv: add sophgo sg2042 bindings

[Wang Chen]

Add DT binding documentation for the Sophgo SG2042 Soc [1] and the
Milk-V Pioneer board [2].

[1]: https://en.sophgo.com/product/introduce/sg2042.html
[2]: https://milkv.io/pioneer

Signed-off-by: Wang Chen <wangchen20 at iscas.ac.cn>
Signed-off-by: Xiaoguang Xing <xiaoguang.xing at sophgo.com>
---
 .../devicetree/bindings/riscv/sophgo.yaml     | 28 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++++
 2 files changed, 34 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/riscv/sophgo.yaml

diff --git a/Documentation/devicetree/bindings/riscv/sophgo.yaml b/Documentation/devicetree/bindings/riscv/sophgo.yaml
new file mode 100644
index 000000000000..82468ae915db
--- /dev/null
+++ b/Documentation/devicetree/bindings/riscv/sophgo.yaml
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/riscv/sophgo.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo SoC-based boards
+
+maintainers:
+  - Chao Wei <chao.wei at sophgo.com>
+  - Xiaoguang Xing <xiaoguang.xing at sophgo.com>
+
+description:
+  Sophgo SoC-based boards
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - milkv,pioneer
+          - const: sophgo,sg2042
+
+additionalProperties: true
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 90f13281d297..0e0d477dab38 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20063,6 +20063,12 @@ F:	drivers/char/sonypi.c
 F:	drivers/platform/x86/sony-laptop.c
 F:	include/linux/sony-laptop.h
 
+SOPHGO DEVICETREES
+M:	Xiaoguang Xing <xiaoguang.xing at sophgo.com>
+M:	Chao Wei <chao.wei at sophgo.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/riscv/sophgo.yaml
+
 SOUND
 M:	Jaroslav Kysela <perex at perex.cz>
 M:	Takashi Iwai <tiwai at suse.com>
-- 
2.25.1