xref: /freebsd/sys/contrib/device-tree/Bindings/net/dsa/microchip,lan937x.yaml (revision 84943d6f38e936ac3b7a3947ca26eeb27a39f938) 
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    additionalProperties: true
41    patternProperties:
42      "^(ethernet-)?port@[0-7]$":
43        allOf:
44          - if:
45              properties:
46                phy-mode:
47                  contains:
48                    enum:
49                      - rgmii
50                      - rgmii-id
51                      - rgmii-txid
52                      - rgmii-rxid
53            then:
54              properties:
55                rx-internal-delay-ps:
56                  enum: [0, 2000]
57                  default: 0
58                tx-internal-delay-ps:
59                  enum: [0, 2000]
60                  default: 0
61
62required:
63  - compatible
64  - reg
65
66unevaluatedProperties: false
67
68examples:
69  - |
70    #include <dt-bindings/gpio/gpio.h>
71
72    macb0 {
73            #address-cells = <1>;
74            #size-cells = <0>;
75
76            fixed-link {
77                    speed = <1000>;
78                    full-duplex;
79            };
80    };
81
82    spi {
83            #address-cells = <1>;
84            #size-cells = <0>;
85
86            lan9374: switch@0 {
87                    compatible = "microchip,lan9374";
88                    reg = <0>;
89                    spi-max-frequency = <44000000>;
90
91                    ethernet-ports {
92                            #address-cells = <1>;
93                            #size-cells = <0>;
94
95                            port@0 {
96                                    reg = <0>;
97                                    label = "lan1";
98                                    phy-mode = "internal";
99                                    phy-handle = <&t1phy0>;
100                            };
101
102                            port@1 {
103                                    reg = <1>;
104                                    label = "lan2";
105                                    phy-mode = "internal";
106                                    phy-handle = <&t1phy1>;
107                            };
108
109                            port@2 {
110                                    reg = <2>;
111                                    label = "lan4";
112                                    phy-mode = "internal";
113                                    phy-handle = <&t1phy2>;
114                            };
115
116                            port@3 {
117                                    reg = <3>;
118                                    label = "lan6";
119                                    phy-mode = "internal";
120                                    phy-handle = <&t1phy3>;
121                            };
122
123                            port@4 {
124                                    reg = <4>;
125                                    phy-mode = "rgmii";
126                                    tx-internal-delay-ps = <2000>;
127                                    rx-internal-delay-ps = <2000>;
128                                    ethernet = <&macb0>;
129
130                                    fixed-link {
131                                            speed = <1000>;
132                                            full-duplex;
133                                    };
134                            };
135
136                            port@5 {
137                                    reg = <5>;
138                                    label = "lan7";
139                                    phy-mode = "rgmii";
140                                    tx-internal-delay-ps = <2000>;
141                                    rx-internal-delay-ps = <2000>;
142
143                                    fixed-link {
144                                            speed = <1000>;
145                                            full-duplex;
146                                    };
147                            };
148
149                            port@6 {
150                                    reg = <6>;
151                                    label = "lan5";
152                                    phy-mode = "internal";
153                                    phy-handle = <&t1phy6>;
154                            };
155
156                            port@7 {
157                                    reg = <7>;
158                                    label = "lan3";
159                                    phy-mode = "internal";
160                                    phy-handle = <&t1phy7>;
161                            };
162                    };
163
164                    mdio {
165                            #address-cells = <1>;
166                            #size-cells = <0>;
167
168                            t1phy0: ethernet-phy@0{
169                                    reg = <0x0>;
170                            };
171
172                            t1phy1: ethernet-phy@1{
173                                    reg = <0x1>;
174                            };
175
176                            t1phy2: ethernet-phy@2{
177                                    reg = <0x2>;
178                            };
179
180                            t1phy3: ethernet-phy@3{
181                                    reg = <0x3>;
182                            };
183
184                            t1phy6: ethernet-phy@6{
185                                    reg = <0x6>;
186                            };
187
188                            t1phy7: ethernet-phy@7{
189                                    reg = <0x7>;
190                            };
191                    };
192            };
193    };
194