tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/marvell,armada-380-neta-bm.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Marvell Armada 380/XP Buffer Manager (BM)
8
9maintainers:
10 - Marcin Wojtas <marcin.s.wojtas@gmail.com>
11
12description:
13 In order to see how to hook the BM to a given ethernet port, please refer to
14 Documentation/devicetree/bindings/net/marvell,armada-370-neta.yaml.
15
16properties:
17 compatible:
18 const: marvell,armada-380-neta-bm
19
20 reg:
21 maxItems: 1
22
23 clocks:
24 maxItems: 1
25
26 internal-mem:
27 description: Phandle to internal SRAM region
28 $ref: /schemas/types.yaml#/definitions/phandle
29
30patternProperties:
31 "^pool[0-3],capacity$":
32 description:
33 size of external buffer pointers' ring maintained in DRAM for pool 0-3
34 $ref: /schemas/types.yaml#/definitions/uint32
35 minimum: 128
36 maximum: 16352
37
38 "^pool[0-3],pkt-size$":
39 description:
40 maximum packet size for a short buffer pool entry (pool 0-3)
41 $ref: /schemas/types.yaml#/definitions/uint32
42
43required:
44 - compatible
45 - reg
46 - clocks
47 - internal-mem
48
49additionalProperties: false
50
51examples:
52 - |
53 bm@c8000 {
54 compatible = "marvell,armada-380-neta-bm";
55 reg = <0xc8000 0xac>;
56 clocks = <&gateclk 13>;
57 internal-mem = <&bm_bppi>;
58 pool2,capacity = <4096>;
59 pool1,pkt-size = <512>;
60 };