xref: /linux/Documentation/devicetree/bindings/net/sophgo,cv1800b-dwmac.yaml (revision 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/sophgo,cv1800b-dwmac.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Sophgo CV1800B DWMAC glue layer
8
9maintainers:
10  - Inochi Amaoto <inochiama@gmail.com>
11
12select:
13  properties:
14    compatible:
15      contains:
16        enum:
17          - sophgo,cv1800b-dwmac
18  required:
19    - compatible
20
21properties:
22  compatible:
23    items:
24      - const: sophgo,cv1800b-dwmac
25      - const: snps,dwmac-3.70a
26
27  reg:
28    maxItems: 1
29
30  clocks:
31    items:
32      - description: GMAC main clock
33      - description: PTP clock
34
35  clock-names:
36    items:
37      - const: stmmaceth
38      - const: ptp_ref
39
40  interrupts:
41    maxItems: 1
42
43  interrupt-names:
44    maxItems: 1
45
46  resets:
47    maxItems: 1
48
49  reset-names:
50    const: stmmaceth
51
52required:
53  - compatible
54  - reg
55  - clocks
56  - clock-names
57  - interrupts
58  - interrupt-names
59  - resets
60  - reset-names
61
62allOf:
63  - $ref: snps,dwmac.yaml#
64
65unevaluatedProperties: false
66
67examples:
68  - |
69    #include <dt-bindings/interrupt-controller/irq.h>
70
71    ethernet@4070000 {
72      compatible = "sophgo,cv1800b-dwmac", "snps,dwmac-3.70a";
73      reg = <0x04070000 0x10000>;
74      clocks = <&clk 35>, <&clk 36>;
75      clock-names = "stmmaceth", "ptp_ref";
76      interrupts = <31 IRQ_TYPE_LEVEL_HIGH>;
77      interrupt-names = "macirq";
78      phy-handle = <&internal_ephy>;
79      phy-mode = "internal";
80      resets = <&rst 12>;
81      reset-names = "stmmaceth";
82      rx-fifo-depth = <8192>;
83      tx-fifo-depth = <8192>;
84      snps,multicast-filter-bins = <0>;
85      snps,perfect-filter-entries = <1>;
86      snps,aal;
87      snps,txpbl = <8>;
88      snps,rxpbl = <8>;
89      snps,mtl-rx-config = <&gmac0_mtl_rx_setup>;
90      snps,mtl-tx-config = <&gmac0_mtl_tx_setup>;
91      snps,axi-config = <&gmac0_stmmac_axi_setup>;
92
93      mdio {
94        compatible = "snps,dwmac-mdio";
95        #address-cells = <1>;
96        #size-cells = <0>;
97      };
98
99      gmac0_mtl_rx_setup: rx-queues-config {
100        snps,rx-queues-to-use = <1>;
101        queue0 {};
102      };
103
104      gmac0_mtl_tx_setup: tx-queues-config {
105        snps,tx-queues-to-use = <1>;
106        queue0 {};
107      };
108
109      gmac0_stmmac_axi_setup: stmmac-axi-config {
110        snps,blen = <16 8 4 0 0 0 0>;
111        snps,rd_osr_lmt = <2>;
112        snps,wr_osr_lmt = <1>;
113      };
114    };
115