1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/renesas,etheravb.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas Ethernet AVB
8
9maintainers:
10  - Sergei Shtylyov <sergei.shtylyov@gmail.com>
11
12properties:
13  compatible:
14    oneOf:
15      - items:
16          - enum:
17              - renesas,etheravb-r8a7742      # RZ/G1H
18              - renesas,etheravb-r8a7743      # RZ/G1M
19              - renesas,etheravb-r8a7744      # RZ/G1N
20              - renesas,etheravb-r8a7745      # RZ/G1E
21              - renesas,etheravb-r8a77470     # RZ/G1C
22              - renesas,etheravb-r8a7790      # R-Car H2
23              - renesas,etheravb-r8a7791      # R-Car M2-W
24              - renesas,etheravb-r8a7792      # R-Car V2H
25              - renesas,etheravb-r8a7793      # R-Car M2-N
26              - renesas,etheravb-r8a7794      # R-Car E2
27          - const: renesas,etheravb-rcar-gen2 # R-Car Gen2 and RZ/G1
28
29      - items:
30          - enum:
31              - renesas,etheravb-r8a774a1     # RZ/G2M
32              - renesas,etheravb-r8a774b1     # RZ/G2N
33              - renesas,etheravb-r8a774c0     # RZ/G2E
34              - renesas,etheravb-r8a774e1     # RZ/G2H
35              - renesas,etheravb-r8a7795      # R-Car H3
36              - renesas,etheravb-r8a7796      # R-Car M3-W
37              - renesas,etheravb-r8a77961     # R-Car M3-W+
38              - renesas,etheravb-r8a77965     # R-Car M3-N
39              - renesas,etheravb-r8a77970     # R-Car V3M
40              - renesas,etheravb-r8a77980     # R-Car V3H
41              - renesas,etheravb-r8a77990     # R-Car E3
42              - renesas,etheravb-r8a77995     # R-Car D3
43          - const: renesas,etheravb-rcar-gen3 # R-Car Gen3 and RZ/G2
44
45  reg: true
46
47  interrupts: true
48
49  interrupt-names: true
50
51  clocks:
52    maxItems: 1
53
54  iommus:
55    maxItems: 1
56
57  power-domains:
58    maxItems: 1
59
60  resets:
61    maxItems: 1
62
63  phy-mode: true
64
65  phy-handle: true
66
67  '#address-cells':
68    description: Number of address cells for the MDIO bus.
69    const: 1
70
71  '#size-cells':
72    description: Number of size cells on the MDIO bus.
73    const: 0
74
75  renesas,no-ether-link:
76    type: boolean
77    description:
78      Specify when a board does not provide a proper AVB_LINK signal.
79
80  renesas,ether-link-active-low:
81    type: boolean
82    description:
83      Specify when the AVB_LINK signal is active-low instead of normal
84      active-high.
85
86  rx-internal-delay-ps:
87    enum: [0, 1800]
88
89  tx-internal-delay-ps:
90    enum: [0, 2000]
91
92patternProperties:
93  "^ethernet-phy@[0-9a-f]$":
94    type: object
95    $ref: ethernet-phy.yaml#
96
97required:
98  - compatible
99  - reg
100  - interrupts
101  - clocks
102  - power-domains
103  - resets
104  - phy-mode
105  - phy-handle
106  - '#address-cells'
107  - '#size-cells'
108
109allOf:
110  - $ref: ethernet-controller.yaml#
111
112  - if:
113      properties:
114        compatible:
115          contains:
116            enum:
117              - renesas,etheravb-rcar-gen2
118              - renesas,etheravb-r8a7795
119              - renesas,etheravb-r8a7796
120              - renesas,etheravb-r8a77961
121              - renesas,etheravb-r8a77965
122    then:
123      properties:
124        reg:
125          items:
126            - description: MAC register block
127            - description: Stream buffer
128    else:
129      properties:
130        reg:
131          items:
132            - description: MAC register block
133
134  - if:
135      properties:
136        compatible:
137          contains:
138            const: renesas,etheravb-rcar-gen2
139    then:
140      properties:
141        interrupts:
142          maxItems: 1
143        interrupt-names:
144          items:
145            - const: mux
146        rx-internal-delay-ps: false
147    else:
148      properties:
149        interrupts:
150          minItems: 25
151          maxItems: 25
152        interrupt-names:
153          items:
154            pattern: '^ch[0-9]+$'
155      required:
156        - interrupt-names
157        - rx-internal-delay-ps
158
159  - if:
160      properties:
161        compatible:
162          contains:
163            enum:
164              - renesas,etheravb-r8a774a1
165              - renesas,etheravb-r8a774b1
166              - renesas,etheravb-r8a774e1
167              - renesas,etheravb-r8a7795
168              - renesas,etheravb-r8a7796
169              - renesas,etheravb-r8a77961
170              - renesas,etheravb-r8a77965
171              - renesas,etheravb-r8a77970
172              - renesas,etheravb-r8a77980
173    then:
174      required:
175        - tx-internal-delay-ps
176    else:
177      properties:
178        tx-internal-delay-ps: false
179
180  - if:
181      properties:
182        compatible:
183          contains:
184            const: renesas,etheravb-r8a77995
185    then:
186      properties:
187        rx-internal-delay-ps:
188          const: 1800
189
190  - if:
191      properties:
192        compatible:
193          contains:
194            const: renesas,etheravb-r8a77980
195    then:
196      properties:
197        tx-internal-delay-ps:
198          const: 2000
199
200additionalProperties: false
201
202examples:
203  - |
204    #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
205    #include <dt-bindings/interrupt-controller/arm-gic.h>
206    #include <dt-bindings/power/r8a7795-sysc.h>
207    #include <dt-bindings/gpio/gpio.h>
208    aliases {
209            ethernet0 = &avb;
210    };
211
212    avb: ethernet@e6800000 {
213            compatible = "renesas,etheravb-r8a7795",
214                         "renesas,etheravb-rcar-gen3";
215            reg = <0xe6800000 0x800>, <0xe6a00000 0x10000>;
216            interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
217                         <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
218                         <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
219                         <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
220                         <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
221                         <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
222                         <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
223                         <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>,
224                         <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
225                         <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
226                         <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
227                         <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>,
228                         <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>,
229                         <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>,
230                         <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
231                         <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
232                         <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
233                         <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
234                         <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
235                         <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
236                         <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
237                         <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
238                         <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
239                         <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>,
240                         <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
241            interrupt-names = "ch0", "ch1", "ch2", "ch3", "ch4", "ch5", "ch6",
242                              "ch7", "ch8", "ch9", "ch10", "ch11", "ch12",
243                              "ch13", "ch14", "ch15", "ch16", "ch17", "ch18",
244                              "ch19", "ch20", "ch21", "ch22", "ch23", "ch24";
245            clocks = <&cpg CPG_MOD 812>;
246            iommus = <&ipmmu_ds0 16>;
247            power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
248            resets = <&cpg 812>;
249            phy-mode = "rgmii";
250            phy-handle = <&phy0>;
251            rx-internal-delay-ps = <0>;
252            tx-internal-delay-ps = <2000>;
253            #address-cells = <1>;
254            #size-cells = <0>;
255
256            phy0: ethernet-phy@0 {
257                    rxc-skew-ps = <1500>;
258                    reg = <0>;
259                    interrupt-parent = <&gpio2>;
260                    interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
261                    reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
262            };
263    };
264