new file mode 100644
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/loongson,ls2x-apbdma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson LS2X APB DMA controller
+
+description: |
+ The Loongson LS2X APB DMA controller is used for transferring data
+ between system memory and the peripherals on the APB bus.
+
+maintainers:
+ - Binbin Zhou <zhoubinbin@loongson.cn>
+
+allOf:
+ - $ref: dma-controller.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - const: loongson,ls2k1000-apbdma
+ - items:
+ - const: loongson,ls2k0500-apbdma
+ - const: loongson,ls2k1000-apbdma
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ "#dma-cells":
+ const: 1
+
+ dma-channels:
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - "#dma-cells"
+ - dma-channels
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ apbdma0: dma-controller@1fe00c00 {
+ compatible = "loongson,ls2k1000-apbdma";
+ reg = <0x1fe00c00 0x8>;
+ interrupt-parent = <&liointc1>;
+ interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
+ #dma-cells = <1>;
+ dma-channels = <1>;
+ };
+
+...
Add Loongson LS2X APB DMA controller binding with DT schema format using json-schema. Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn> --- .../bindings/dma/loongson,ls2x-apbdma.yaml | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml