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
7 title: Renesas Ethernet AVB
8
9 maintainers:
10 - Sergei Shtylyov <sergei.shtylyov@gmail.com>
11
12 properties:
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 - items:
46 - enum:
47 - renesas,etheravb-r8a779a0 # R-Car V3U
48 - renesas,etheravb-r8a779g0 # R-Car V4H
49 - renesas,etheravb-r8a779h0 # R-Car V4M
50 - const: renesas,etheravb-rcar-gen4 # R-Car Gen4
51
52 - items:
53 - enum:
54 - renesas,etheravb-r9a09g011 # RZ/V2M
55 - const: renesas,etheravb-rzv2m # RZ/V2M compatible
56
57 - items:
58 - enum:
59 - renesas,r9a07g043-gbeth # RZ/G2UL and RZ/Five
60 - renesas,r9a07g044-gbeth # RZ/G2{L,LC}
61 - renesas,r9a07g054-gbeth # RZ/V2L
62 - renesas,r9a08g045-gbeth # RZ/G3S
63 - const: renesas,rzg2l-gbeth # RZ/{G2L,G2UL,V2L} family
64
65 reg:
66 minItems: 1
67 items:
68 - description: MAC register block
69 - description: Stream buffer
70
71 interrupts:
72 minItems: 1
73 maxItems: 29
74
75 interrupt-names:
76 minItems: 1
77 maxItems: 29
78
79 clocks:
80 minItems: 1
81 maxItems: 3
82
83 clock-names:
84 minItems: 1
85 maxItems: 3
86
87 iommus:
88 maxItems: 1
89
90 power-domains:
91 maxItems: 1
92
93 resets:
94 maxItems: 1
95
96 phy-mode: true
97
98 phy-handle: true
99
100 '#address-cells':
101 description: Number of address cells for the MDIO bus.
102 const: 1
103 deprecated: true
104
105 '#size-cells':
106 description: Number of size cells on the MDIO bus.
107 const: 0
108 deprecated: true
109
110 mdio:
111 $ref: /schemas/net/mdio.yaml#
112 unevaluatedProperties: false
113
114 renesas,no-ether-link:
115 type: boolean
116 description:
117 Specify when a board does not provide a proper AVB_LINK signal.
118
119 renesas,ether-link-active-low:
120 type: boolean
121 description:
122 Specify when the AVB_LINK signal is active-low instead of normal
123 active-high.
124
125 rx-internal-delay-ps:
126 enum: [0, 1800]
127
128 tx-internal-delay-ps:
129 enum: [0, 2000]
130
131 # In older bindings there where no mdio child-node to describe the MDIO bus
132 # and the PHY. To not fail older bindings accept any node with an address. New
133 # users should describe the PHY inside the mdio child-node.
134 patternProperties:
135 "@[0-9a-f]$":
136 type: object
137 deprecated: true
138
139 required:
140 - compatible
141 - reg
142 - interrupts
143 - clocks
144 - power-domains
145 - resets
146 - phy-mode
147 - phy-handle
148
149 allOf:
150 - $ref: ethernet-controller.yaml#
151
152 - if:
153 properties:
154 compatible:
155 contains:
156 enum:
157 - renesas,etheravb-rcar-gen2
158 - renesas,etheravb-r8a7795
159 - renesas,etheravb-r8a7796
160 - renesas,etheravb-r8a77961
161 - renesas,etheravb-r8a77965
162 then:
163 properties:
164 reg:
165 minItems: 2
166 else:
167 properties:
168 reg:
169 maxItems: 1
170
171 - if:
172 properties:
173 compatible:
174 contains:
175 enum:
176 - renesas,etheravb-rcar-gen2
177 - renesas,rzg2l-gbeth
178 then:
179 properties:
180 interrupts:
181 minItems: 1
182 maxItems: 3
183 interrupt-names:
184 minItems: 1
185 items:
186 - const: mux
187 - const: fil
188 - const: arp_ns
189 rx-internal-delay-ps: false
190 else:
191 if:
192 properties:
193 compatible:
194 contains:
195 const: renesas,etheravb-rzv2m
196 then:
197 properties:
198 interrupts:
199 minItems: 29
200 maxItems: 29
201 interrupt-names:
202 items:
203 pattern: '^(ch(1?)[0-9])|ch20|ch21|dia|dib|err_a|err_b|mgmt_a|mgmt_b|line3$'
204 rx-internal-delay-ps: false
205 required:
206 - interrupt-names
207 else:
208 properties:
209 interrupts:
210 minItems: 25
211 maxItems: 25
212 interrupt-names:
213 items:
214 pattern: '^ch[0-9]+$'
215 required:
216 - interrupt-names
217 - rx-internal-delay-ps
218
219 - if:
220 properties:
221 compatible:
222 contains:
223 enum:
224 - renesas,etheravb-r8a774a1
225 - renesas,etheravb-r8a774b1
226 - renesas,etheravb-r8a774e1
227 - renesas,etheravb-r8a7795
228 - renesas,etheravb-r8a7796
229 - renesas,etheravb-r8a77961
230 - renesas,etheravb-r8a77965
231 - renesas,etheravb-r8a77970
232 - renesas,etheravb-r8a77980
233 - renesas,etheravb-rcar-gen4
234 then:
235 required:
236 - tx-internal-delay-ps
237 else:
238 properties:
239 tx-internal-delay-ps: false
240
241 - if:
242 properties:
243 compatible:
244 contains:
245 const: renesas,etheravb-r8a77995
246 then:
247 properties:
248 rx-internal-delay-ps:
249 const: 1800
250
251 - if:
252 properties:
253 compatible:
254 contains:
255 const: renesas,etheravb-r8a77980
256 then:
257 properties:
258 tx-internal-delay-ps:
259 const: 2000
260
261 - if:
262 properties:
263 compatible:
264 contains:
265 const: renesas,rzg2l-gbeth
266 then:
267 properties:
268 clocks:
269 items:
270 - description: Main clock
271 - description: Register access clock
272 - description: Reference clock for RGMII
273 clock-names:
274 items:
275 - const: axi
276 - const: chi
277 - const: refclk
278 else:
279 if:
280 properties:
281 compatible:
282 contains:
283 const: renesas,etheravb-rzv2m
284 then:
285 properties:
286 clocks:
287 items:
288 - description: Main clock
289 - description: Coherent Hub Interface clock
290 - description: gPTP reference clock
291 clock-names:
292 items:
293 - const: axi
294 - const: chi
295 - const: gptp
296 else:
297 properties:
298 clocks:
299 minItems: 1
300 items:
301 - description: AVB functional clock
302 - description: Optional TXC reference clock
303 clock-names:
304 minItems: 1
305 items:
306 - const: fck
307 - const: refclk
308
309 additionalProperties: false
310
311 examples:
312 - |
313 #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
314 #include <dt-bindings/interrupt-controller/arm-gic.h>
315 #include <dt-bindings/power/r8a7795-sysc.h>
316 #include <dt-bindings/gpio/gpio.h>
317 aliases {
318 ethernet0 = &avb;
319 };
320
321 avb: ethernet@e6800000 {
322 compatible = "renesas,etheravb-r8a7795",
323 "renesas,etheravb-rcar-gen3";
324 reg = <0xe6800000 0x800>, <0xe6a00000 0x10000>;
325 interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
326 <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
327 <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
328 <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
329 <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
330 <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
331 <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
332 <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>,
333 <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
334 <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
335 <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
336 <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>,
337 <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>,
338 <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>,
339 <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
340 <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
341 <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
342 <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
343 <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
344 <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
345 <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
346 <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
347 <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
348 <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>,
349 <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
350 interrupt-names = "ch0", "ch1", "ch2", "ch3", "ch4", "ch5", "ch6",
351 "ch7", "ch8", "ch9", "ch10", "ch11", "ch12",
352 "ch13", "ch14", "ch15", "ch16", "ch17", "ch18",
353 "ch19", "ch20", "ch21", "ch22", "ch23", "ch24";
354 clocks = <&cpg CPG_MOD 812>;
355 clock-names = "fck";
356 iommus = <&ipmmu_ds0 16>;
357 power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
358 resets = <&cpg 812>;
359 phy-mode = "rgmii";
360 phy-handle = <&phy0>;
361 rx-internal-delay-ps = <0>;
362 tx-internal-delay-ps = <2000>;
363 #address-cells = <1>;
364 #size-cells = <0>;
365
366 phy0: ethernet-phy@0 {
367 compatible = "ethernet-phy-id0022.1622",
368 "ethernet-phy-ieee802.3-c22";
369 rxc-skew-ps = <1500>;
370 reg = <0>;
371 interrupt-parent = <&gpio2>;
372 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
373 reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
374 };
375 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.