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diff --git a/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml b/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml
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+++ b/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2022 Unisoc Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/sprd,gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Unisoc GPIO controller
+
+maintainers:
+  - Orson Zhai <orsonzhai@gmail.com>
+  - Baolin Wang <baolin.wang7@gmail.com>
+  - Chunyan Zhang <zhang.lyra@gmail.com>
+
+description: |
+  The controller's registers are organized as sets of sixteen 16-bit
+  registers with each set controlling a bank of up to 16 pins. A single
+  interrupt is shared for all of the banks handled by the controller.
+
+properties:
+  compatible:
+    oneOf:
+      - const: sprd,sc9860-gpio
+      - items:
+          - enum:
+              - sprd,ums512-gpio
+          - const: sprd,sc9860-gpio
+
+  reg:
+    maxItems: 1
+
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+  interrupt-controller: true
+
+  "#interrupt-cells":
+    const: 2
+
+  interrupts:
+    maxItems: 1
+    description: The interrupt shared by all GPIO lines for this controller.
+
+required:
+  - compatible
+  - reg
+  - gpio-controller
+  - "#gpio-cells"
+  - interrupt-controller
+  - "#interrupt-cells"
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        ap_gpio: gpio@40280000 {
+            compatible = "sprd,sc9860-gpio";
+            reg = <0 0x40280000 0 0x1000>;
+            gpio-controller;
+            #gpio-cells = <2>;
+            interrupt-controller;
+            #interrupt-cells = <2>;
+            interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+        };
+    };
+...