2 files changed, 86 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/npcm/npcm.yaml b/Documentation/devicetree/bindings/arm/npcm/npcm.yaml
new file mode 100644
index 000000000..43409e572
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+++ b/Documentation/devicetree/bindings/arm/npcm/npcm.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/npcm/npcm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NPCM Platforms Device Tree Bindings
+
+maintainers:
+  - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
+  - Tomer Maimon <tmaimon77@gmail.com>
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+      - description: WPCM450 based boards
+        items:
+          - enum:
+              - supermicro,x9sci-ln4f-bmc   # Supermicro X9SCI-LN4F server's BMC
+          - const: nuvoton,wpcm450
+
+      - description: NPCM750 based boards
+        items:
+          - enum:
+              - nuvoton,npcm750-evb         # NPCM750 evaluation board
+          - const: nuvoton,npcm750
+
+      - description: NPCM845 based boards
+        items:
+          - enum:
+              - nuvoton,npcm845-evb         # NPCM845 evaluation board
+          - const: nuvoton,npcm845
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml
new file mode 100644
index 000000000..94e72f25b
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+++ b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/npcm/nuvoton,gcr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Global Control Registers block in Nuvoton SoCs
+
+maintainers:
+  - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
+  - Tomer Maimon <tmaimon77@gmail.com>
+
+description:
+  The Global Control Registers (GCR) are a block of registers in Nuvoton SoCs
+  that expose misc functionality such as chip model and version information or
+  pinmux settings.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - nuvoton,wpcm450-gcr
+          - nuvoton,npcm750-gcr
+          - nuvoton,npcm845-gcr
+      - const: syscon
+      - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties:
+  type: object
+
+examples:
+  - |
+    gcr: syscon@800000 {
+      compatible = "nuvoton,npcm750-gcr", "syscon", "simple-mfd";
+      reg = <0x800000 0x1000>;
+
+      mux-controller {
+        compatible = "mmio-mux";
+        #mux-control-cells = <1>;
+        mux-reg-masks = <0x38 0x07>;
+        idle-states = <2>;
+      };
+    };