mirror_ubuntu-kernels/Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml

63 lines
1.2 KiB
YAML

# 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
clocks:
maxItems: 1
'#dma-cells':
const: 1
required:
- compatible
- reg
- interrupts
- clocks
- '#dma-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/loongson,ls2k-clk.h>
dma-controller@1fe00c00 {
compatible = "loongson,ls2k1000-apbdma";
reg = <0x1fe00c00 0x8>;
interrupt-parent = <&liointc1>;
interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk LOONGSON2_APB_CLK>;
#dma-cells = <1>;
};
...