61 lines
1.4 KiB
YAML
61 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/marvell,armada-380-neta-bm.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Marvell Armada 380/XP Buffer Manager (BM)
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maintainers:
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- Marcin Wojtas <marcin.s.wojtas@gmail.com>
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description:
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In order to see how to hook the BM to a given ethernet port, please refer to
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Documentation/devicetree/bindings/net/marvell,armada-370-neta.yaml.
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properties:
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compatible:
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const: marvell,armada-380-neta-bm
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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internal-mem:
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description: Phandle to internal SRAM region
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$ref: /schemas/types.yaml#/definitions/phandle
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patternProperties:
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"^pool[0-3],capacity$":
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description:
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size of external buffer pointers' ring maintained in DRAM for pool 0-3
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 128
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maximum: 16352
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"^pool[0-3],pkt-size$":
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description:
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maximum packet size for a short buffer pool entry (pool 0-3)
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$ref: /schemas/types.yaml#/definitions/uint32
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required:
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- compatible
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- reg
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- clocks
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- internal-mem
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additionalProperties: false
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examples:
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- |
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bm@c8000 {
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compatible = "marvell,armada-380-neta-bm";
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reg = <0xc8000 0xac>;
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clocks = <&gateclk 13>;
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internal-mem = <&bm_bppi>;
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pool2,capacity = <4096>;
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pool1,pkt-size = <512>;
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};
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