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3cd4c4f395
The sun4i EMAC supports DMA for data transmission, so it is necessary to add DMA options to the device tree bindings. Signed-off-by: Conley Lee <conleylee@foxmail.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/tencent_4E434174E9D516431365413D1B8047C6BB06@qq.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
68 lines
1.3 KiB
YAML
68 lines
1.3 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/allwinner,sun4i-a10-emac.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A10 EMAC Ethernet Controller
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allOf:
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- $ref: ethernet-controller.yaml#
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maintainers:
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- Chen-Yu Tsai <wens@csie.org>
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- Maxime Ripard <mripard@kernel.org>
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properties:
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compatible:
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const: allwinner,sun4i-a10-emac
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 1
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allwinner,sram:
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description: Phandle to the device SRAM
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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- items:
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- description: phandle to SRAM
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- description: register value for device
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dmas:
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items:
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- description: RX DMA Channel
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- description: TX DMA Channel
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dma-names:
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items:
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- const: rx
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- const: tx
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- phy-handle
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- allwinner,sram
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unevaluatedProperties: false
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examples:
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- |
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emac: ethernet@1c0b000 {
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compatible = "allwinner,sun4i-a10-emac";
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reg = <0x01c0b000 0x1000>;
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interrupts = <55>;
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clocks = <&ahb_gates 17>;
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phy-handle = <&phy0>;
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allwinner,sram = <&emac_sram 1>;
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};
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...
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