new file mode 100644
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/realtek,rtl-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek RTL838x/RTL839x SPI controller
+
+maintainers:
+ - Bert Vermeulen <bert@biot.com>
+ - Birger Koblitz <mail@birger-koblitz.de>
+
+allOf:
+ - $ref: "spi-controller.yaml#"
+
+properties:
+ compatible:
+ oneOf:
+ - const: realtek,rtl838x-spi
+ - const: realtek,rtl839x-spi
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi: spi@1200 {
+ compatible = "realtek,rtl838x-spi";
+ reg = <0x1200 0x100>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
Signed-off-by: Bert Vermeulen <bert@biot.com> --- .../bindings/spi/realtek,rtl-spi.yaml | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/realtek,rtl-spi.yaml