xref: /linux/Documentation/devicetree/bindings/net/marvell,armada-380-neta-bm.yaml (revision 69f2970aad93758bea863432e49b564e0ba649ca)
1*2382aeddSRob Herring (Arm)# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*2382aeddSRob Herring (Arm)%YAML 1.2
3*2382aeddSRob Herring (Arm)---
4*2382aeddSRob Herring (Arm)$id: http://devicetree.org/schemas/net/marvell,armada-380-neta-bm.yaml#
5*2382aeddSRob Herring (Arm)$schema: http://devicetree.org/meta-schemas/core.yaml#
6*2382aeddSRob Herring (Arm)
7*2382aeddSRob Herring (Arm)title: Marvell Armada 380/XP Buffer Manager (BM)
8*2382aeddSRob Herring (Arm)
9*2382aeddSRob Herring (Arm)maintainers:
10*2382aeddSRob Herring (Arm)  - Marcin Wojtas <marcin.s.wojtas@gmail.com>
11*2382aeddSRob Herring (Arm)
12*2382aeddSRob Herring (Arm)description:
13*2382aeddSRob Herring (Arm)  In order to see how to hook the BM to a given ethernet port, please refer to
14*2382aeddSRob Herring (Arm)  Documentation/devicetree/bindings/net/marvell,armada-370-neta.yaml.
15*2382aeddSRob Herring (Arm)
16*2382aeddSRob Herring (Arm)properties:
17*2382aeddSRob Herring (Arm)  compatible:
18*2382aeddSRob Herring (Arm)    const: marvell,armada-380-neta-bm
19*2382aeddSRob Herring (Arm)
20*2382aeddSRob Herring (Arm)  reg:
21*2382aeddSRob Herring (Arm)    maxItems: 1
22*2382aeddSRob Herring (Arm)
23*2382aeddSRob Herring (Arm)  clocks:
24*2382aeddSRob Herring (Arm)    maxItems: 1
25*2382aeddSRob Herring (Arm)
26*2382aeddSRob Herring (Arm)  internal-mem:
27*2382aeddSRob Herring (Arm)    description: Phandle to internal SRAM region
28*2382aeddSRob Herring (Arm)    $ref: /schemas/types.yaml#/definitions/phandle
29*2382aeddSRob Herring (Arm)
30*2382aeddSRob Herring (Arm)patternProperties:
31*2382aeddSRob Herring (Arm)  "^pool[0-3],capacity$":
32*2382aeddSRob Herring (Arm)    description:
33*2382aeddSRob Herring (Arm)      size of external buffer pointers' ring maintained in DRAM for pool 0-3
34*2382aeddSRob Herring (Arm)    $ref: /schemas/types.yaml#/definitions/uint32
35*2382aeddSRob Herring (Arm)    minimum: 128
36*2382aeddSRob Herring (Arm)    maximum: 16352
37*2382aeddSRob Herring (Arm)
38*2382aeddSRob Herring (Arm)  "^pool[0-3],pkt-size$":
39*2382aeddSRob Herring (Arm)    description:
40*2382aeddSRob Herring (Arm)      maximum packet size for a short buffer pool entry (pool 0-3)
41*2382aeddSRob Herring (Arm)    $ref: /schemas/types.yaml#/definitions/uint32
42*2382aeddSRob Herring (Arm)
43*2382aeddSRob Herring (Arm)required:
44*2382aeddSRob Herring (Arm)  - compatible
45*2382aeddSRob Herring (Arm)  - reg
46*2382aeddSRob Herring (Arm)  - clocks
47*2382aeddSRob Herring (Arm)  - internal-mem
48*2382aeddSRob Herring (Arm)
49*2382aeddSRob Herring (Arm)additionalProperties: false
50*2382aeddSRob Herring (Arm)
51*2382aeddSRob Herring (Arm)examples:
52*2382aeddSRob Herring (Arm)  - |
53*2382aeddSRob Herring (Arm)    bm@c8000 {
54*2382aeddSRob Herring (Arm)        compatible = "marvell,armada-380-neta-bm";
55*2382aeddSRob Herring (Arm)        reg = <0xc8000 0xac>;
56*2382aeddSRob Herring (Arm)        clocks = <&gateclk 13>;
57*2382aeddSRob Herring (Arm)        internal-mem = <&bm_bppi>;
58*2382aeddSRob Herring (Arm)        pool2,capacity = <4096>;
59*2382aeddSRob Herring (Arm)        pool1,pkt-size = <512>;
60*2382aeddSRob Herring (Arm)    };
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