xref: /linux/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml (revision 6315d93541f8a5f77c5ef5c4f25233e66d189603) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/sophgo,sg2044-dwmac.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Sophgo SG2044 DWMAC glue layer
8
9maintainers:
10  - Inochi Amaoto <inochiama@gmail.com>
11
12select:
13  properties:
14    compatible:
15      contains:
16        enum:
17          - sophgo,sg2044-dwmac
18  required:
19    - compatible
20
21properties:
22  compatible:
23    items:
24      - const: sophgo,sg2044-dwmac
25      - const: snps,dwmac-5.30a
26
27  reg:
28    maxItems: 1
29
30  clocks:
31    items:
32      - description: GMAC main clock
33      - description: PTP clock
34      - description: TX clock
35
36  clock-names:
37    items:
38      - const: stmmaceth
39      - const: ptp_ref
40      - const: tx
41
42  dma-noncoherent: true
43
44  interrupts:
45    maxItems: 1
46
47  interrupt-names:
48    maxItems: 1
49
50  resets:
51    maxItems: 1
52
53  reset-names:
54    const: stmmaceth
55
56required:
57  - compatible
58  - reg
59  - clocks
60  - clock-names
61  - interrupts
62  - interrupt-names
63  - resets
64  - reset-names
65
66allOf:
67  - $ref: snps,dwmac.yaml#
68
69unevaluatedProperties: false
70
71examples:
72  - |
73    #include <dt-bindings/interrupt-controller/irq.h>
74
75    ethernet@30006000 {
76      compatible = "sophgo,sg2044-dwmac", "snps,dwmac-5.30a";
77      reg = <0x30006000 0x4000>;
78      clocks = <&clk 151>, <&clk 152>, <&clk 154>;
79      clock-names = "stmmaceth", "ptp_ref", "tx";
80      interrupt-parent = <&intc>;
81      interrupts = <296 IRQ_TYPE_LEVEL_HIGH>;
82      interrupt-names = "macirq";
83      resets = <&rst 30>;
84      reset-names = "stmmaceth";
85      snps,multicast-filter-bins = <0>;
86      snps,perfect-filter-entries = <1>;
87      snps,aal;
88      snps,tso;
89      snps,txpbl = <32>;
90      snps,rxpbl = <32>;
91      snps,mtl-rx-config = <&gmac0_mtl_rx_setup>;
92      snps,mtl-tx-config = <&gmac0_mtl_tx_setup>;
93      snps,axi-config = <&gmac0_stmmac_axi_setup>;
94      status = "disabled";
95
96      gmac0_mtl_rx_setup: rx-queues-config {
97        snps,rx-queues-to-use = <8>;
98        snps,rx-sched-wsp;
99        queue0 {};
100        queue1 {};
101        queue2 {};
102        queue3 {};
103        queue4 {};
104        queue5 {};
105        queue6 {};
106        queue7 {};
107      };
108
109      gmac0_mtl_tx_setup: tx-queues-config {
110        snps,tx-queues-to-use = <8>;
111        queue0 {};
112        queue1 {};
113        queue2 {};
114        queue3 {};
115        queue4 {};
116        queue5 {};
117        queue6 {};
118        queue7 {};
119      };
120
121      gmac0_stmmac_axi_setup: stmmac-axi-config {
122        snps,blen = <16 8 4 0 0 0 0>;
123        snps,wr_osr_lmt = <1>;
124        snps,rd_osr_lmt = <2>;
125      };
126    };
127