| Tom Rini | 93743d2 | 2024-04-01 09:08:13 -0400 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/dma/loongson,ls2x-apbdma.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Loongson LS2X APB DMA controller |
| 8 | |
| 9 | description: |
| 10 | The Loongson LS2X APB DMA controller is used for transferring data |
| 11 | between system memory and the peripherals on the APB bus. |
| 12 | |
| 13 | maintainers: |
| 14 | - Binbin Zhou <zhoubinbin@loongson.cn> |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: dma-controller.yaml# |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | oneOf: |
| 22 | - const: loongson,ls2k1000-apbdma |
| 23 | - items: |
| 24 | - const: loongson,ls2k0500-apbdma |
| 25 | - const: loongson,ls2k1000-apbdma |
| 26 | |
| 27 | reg: |
| 28 | maxItems: 1 |
| 29 | |
| 30 | interrupts: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | clocks: |
| 34 | maxItems: 1 |
| 35 | |
| 36 | '#dma-cells': |
| 37 | const: 1 |
| 38 | |
| 39 | required: |
| 40 | - compatible |
| 41 | - reg |
| 42 | - interrupts |
| 43 | - clocks |
| 44 | - '#dma-cells' |
| 45 | |
| 46 | additionalProperties: false |
| 47 | |
| 48 | examples: |
| 49 | - | |
| 50 | #include <dt-bindings/interrupt-controller/irq.h> |
| 51 | #include <dt-bindings/clock/loongson,ls2k-clk.h> |
| 52 | |
| 53 | dma-controller@1fe00c00 { |
| 54 | compatible = "loongson,ls2k1000-apbdma"; |
| 55 | reg = <0x1fe00c00 0x8>; |
| 56 | interrupt-parent = <&liointc1>; |
| 57 | interrupts = <12 IRQ_TYPE_LEVEL_HIGH>; |
| 58 | clocks = <&clk LOONGSON2_APB_CLK>; |
| 59 | #dma-cells = <1>; |
| 60 | }; |
| 61 | |
| 62 | ... |