Add Loongson LS2X APB DMA controller binding with DT schema format using json-schema. Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx> Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> --- .../bindings/dma/loongson,ls2x-apbdma.yaml | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml diff --git a/Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml b/Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml new file mode 100644 index 000000000000..8e5643186310 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml @@ -0,0 +1,61 @@ +# 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@xxxxxxxxxxx> + +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> + + 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>; + }; + +... -- 2.39.3
