xref: /freebsd/sys/contrib/device-tree/Bindings/net/dsa/microchip,lan937x.yaml (revision 734e82fe33aa764367791a7d603b383996c6b40b) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/dsa/microchip,lan937x.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: LAN937x Ethernet Switch Series
8
9maintainers:
10  - UNGLinuxDriver@microchip.com
11
12allOf:
13  - $ref: dsa.yaml#/$defs/ethernet-ports
14
15properties:
16  compatible:
17    enum:
18      - microchip,lan9370
19      - microchip,lan9371
20      - microchip,lan9372
21      - microchip,lan9373
22      - microchip,lan9374
23
24  reg:
25    maxItems: 1
26
27  spi-max-frequency:
28    maximum: 50000000
29
30  reset-gpios:
31    description: Optional gpio specifier for a reset line
32    maxItems: 1
33
34  mdio:
35    $ref: /schemas/net/mdio.yaml#
36    unevaluatedProperties: false
37
38patternProperties:
39  "^(ethernet-)?ports$":
40    patternProperties:
41      "^(ethernet-)?port@[0-9]+$":
42        allOf:
43          - if:
44              properties:
45                phy-mode:
46                  contains:
47                    enum:
48                      - rgmii
49                      - rgmii-id
50                      - rgmii-txid
51                      - rgmii-rxid
52            then:
53              properties:
54                rx-internal-delay-ps:
55                  enum: [0, 2000]
56                  default: 0
57                tx-internal-delay-ps:
58                  enum: [0, 2000]
59                  default: 0
60
61required:
62  - compatible
63  - reg
64
65unevaluatedProperties: false
66
67examples:
68  - |
69    #include <dt-bindings/gpio/gpio.h>
70
71    macb0 {
72            #address-cells = <1>;
73            #size-cells = <0>;
74
75            fixed-link {
76                    speed = <1000>;
77                    full-duplex;
78            };
79    };
80
81    spi {
82            #address-cells = <1>;
83            #size-cells = <0>;
84
85            lan9374: switch@0 {
86                    compatible = "microchip,lan9374";
87                    reg = <0>;
88                    spi-max-frequency = <44000000>;
89
90                    ethernet-ports {
91                            #address-cells = <1>;
92                            #size-cells = <0>;
93
94                            port@0 {
95                                    reg = <0>;
96                                    label = "lan1";
97                                    phy-mode = "internal";
98                                    phy-handle = <&t1phy0>;
99                            };
100
101                            port@1 {
102                                    reg = <1>;
103                                    label = "lan2";
104                                    phy-mode = "internal";
105                                    phy-handle = <&t1phy1>;
106                            };
107
108                            port@2 {
109                                    reg = <2>;
110                                    label = "lan4";
111                                    phy-mode = "internal";
112                                    phy-handle = <&t1phy2>;
113                            };
114
115                            port@3 {
116                                    reg = <3>;
117                                    label = "lan6";
118                                    phy-mode = "internal";
119                                    phy-handle = <&t1phy3>;
120                            };
121
122                            port@4 {
123                                    reg = <4>;
124                                    phy-mode = "rgmii";
125                                    tx-internal-delay-ps = <2000>;
126                                    rx-internal-delay-ps = <2000>;
127                                    ethernet = <&macb0>;
128
129                                    fixed-link {
130                                            speed = <1000>;
131                                            full-duplex;
132                                    };
133                            };
134
135                            port@5 {
136                                    reg = <5>;
137                                    label = "lan7";
138                                    phy-mode = "rgmii";
139                                    tx-internal-delay-ps = <2000>;
140                                    rx-internal-delay-ps = <2000>;
141
142                                    fixed-link {
143                                            speed = <1000>;
144                                            full-duplex;
145                                    };
146                            };
147
148                            port@6 {
149                                    reg = <6>;
150                                    label = "lan5";
151                                    phy-mode = "internal";
152                                    phy-handle = <&t1phy6>;
153                            };
154
155                            port@7 {
156                                    reg = <7>;
157                                    label = "lan3";
158                                    phy-mode = "internal";
159                                    phy-handle = <&t1phy7>;
160                            };
161                    };
162
163                    mdio {
164                            #address-cells = <1>;
165                            #size-cells = <0>;
166
167                            t1phy0: ethernet-phy@0{
168                                    reg = <0x0>;
169                            };
170
171                            t1phy1: ethernet-phy@1{
172                                    reg = <0x1>;
173                            };
174
175                            t1phy2: ethernet-phy@2{
176                                    reg = <0x2>;
177                            };
178
179                            t1phy3: ethernet-phy@3{
180                                    reg = <0x3>;
181                            };
182
183                            t1phy6: ethernet-phy@6{
184                                    reg = <0x6>;
185                            };
186
187                            t1phy7: ethernet-phy@7{
188                                    reg = <0x7>;
189                            };
190                    };
191            };
192    };
193