xref: /linux/Documentation/devicetree/bindings/net/renesas,etheravb.yaml (revision e7d759f31ca295d589f7420719c311870bb3166f) 
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      - items:
46          - enum:
47              - renesas,etheravb-r8a779a0     # R-Car V3U
48              - renesas,etheravb-r8a779g0     # R-Car V4H
49          - const: renesas,etheravb-rcar-gen4 # R-Car Gen4
50
51      - items:
52          - enum:
53              - renesas,etheravb-r9a09g011 # RZ/V2M
54          - const: renesas,etheravb-rzv2m  # RZ/V2M compatible
55
56      - items:
57          - enum:
58              - renesas,r9a07g043-gbeth # RZ/G2UL and RZ/Five
59              - renesas,r9a07g044-gbeth # RZ/G2{L,LC}
60              - renesas,r9a07g054-gbeth # RZ/V2L
61              - renesas,r9a08g045-gbeth # RZ/G3S
62          - const: renesas,rzg2l-gbeth  # RZ/{G2L,G2UL,V2L} family
63
64  reg: true
65
66  interrupts: true
67
68  interrupt-names: true
69
70  clocks: true
71
72  clock-names: true
73
74  iommus:
75    maxItems: 1
76
77  power-domains:
78    maxItems: 1
79
80  resets:
81    maxItems: 1
82
83  phy-mode: true
84
85  phy-handle: true
86
87  '#address-cells':
88    description: Number of address cells for the MDIO bus.
89    const: 1
90
91  '#size-cells':
92    description: Number of size cells on the MDIO bus.
93    const: 0
94
95  renesas,no-ether-link:
96    type: boolean
97    description:
98      Specify when a board does not provide a proper AVB_LINK signal.
99
100  renesas,ether-link-active-low:
101    type: boolean
102    description:
103      Specify when the AVB_LINK signal is active-low instead of normal
104      active-high.
105
106  rx-internal-delay-ps:
107    enum: [0, 1800]
108
109  tx-internal-delay-ps:
110    enum: [0, 2000]
111
112patternProperties:
113  "@[0-9a-f]$":
114    type: object
115
116required:
117  - compatible
118  - reg
119  - interrupts
120  - clocks
121  - power-domains
122  - resets
123  - phy-mode
124  - phy-handle
125  - '#address-cells'
126  - '#size-cells'
127
128allOf:
129  - $ref: ethernet-controller.yaml#
130
131  - if:
132      properties:
133        compatible:
134          contains:
135            enum:
136              - renesas,etheravb-rcar-gen2
137              - renesas,etheravb-r8a7795
138              - renesas,etheravb-r8a7796
139              - renesas,etheravb-r8a77961
140              - renesas,etheravb-r8a77965
141    then:
142      properties:
143        reg:
144          items:
145            - description: MAC register block
146            - description: Stream buffer
147    else:
148      properties:
149        reg:
150          items:
151            - description: MAC register block
152
153  - if:
154      properties:
155        compatible:
156          contains:
157            enum:
158              - renesas,etheravb-rcar-gen2
159              - renesas,rzg2l-gbeth
160    then:
161      properties:
162        interrupts:
163          minItems: 1
164          maxItems: 3
165        interrupt-names:
166          minItems: 1
167          items:
168            - const: mux
169            - const: fil
170            - const: arp_ns
171        rx-internal-delay-ps: false
172    else:
173      if:
174        properties:
175          compatible:
176            contains:
177              const: renesas,etheravb-rzv2m
178      then:
179        properties:
180          interrupts:
181            minItems: 29
182            maxItems: 29
183          interrupt-names:
184            items:
185              pattern: '^(ch(1?)[0-9])|ch20|ch21|dia|dib|err_a|err_b|mgmt_a|mgmt_b|line3$'
186          rx-internal-delay-ps: false
187        required:
188          - interrupt-names
189      else:
190        properties:
191          interrupts:
192            minItems: 25
193            maxItems: 25
194          interrupt-names:
195            items:
196              pattern: '^ch[0-9]+$'
197        required:
198          - interrupt-names
199          - rx-internal-delay-ps
200
201  - if:
202      properties:
203        compatible:
204          contains:
205            enum:
206              - renesas,etheravb-r8a774a1
207              - renesas,etheravb-r8a774b1
208              - renesas,etheravb-r8a774e1
209              - renesas,etheravb-r8a7795
210              - renesas,etheravb-r8a7796
211              - renesas,etheravb-r8a77961
212              - renesas,etheravb-r8a77965
213              - renesas,etheravb-r8a77970
214              - renesas,etheravb-r8a77980
215              - renesas,etheravb-rcar-gen4
216    then:
217      required:
218        - tx-internal-delay-ps
219    else:
220      properties:
221        tx-internal-delay-ps: false
222
223  - if:
224      properties:
225        compatible:
226          contains:
227            const: renesas,etheravb-r8a77995
228    then:
229      properties:
230        rx-internal-delay-ps:
231          const: 1800
232
233  - if:
234      properties:
235        compatible:
236          contains:
237            const: renesas,etheravb-r8a77980
238    then:
239      properties:
240        tx-internal-delay-ps:
241          const: 2000
242
243  - if:
244      properties:
245        compatible:
246          contains:
247            const: renesas,rzg2l-gbeth
248    then:
249      properties:
250        clocks:
251          items:
252            - description: Main clock
253            - description: Register access clock
254            - description: Reference clock for RGMII
255        clock-names:
256          items:
257            - const: axi
258            - const: chi
259            - const: refclk
260    else:
261      if:
262        properties:
263          compatible:
264            contains:
265              const: renesas,etheravb-rzv2m
266      then:
267        properties:
268          clocks:
269            items:
270              - description: Main clock
271              - description: Coherent Hub Interface clock
272              - description: gPTP reference clock
273          clock-names:
274            items:
275              - const: axi
276              - const: chi
277              - const: gptp
278      else:
279        properties:
280          clocks:
281            minItems: 1
282            items:
283              - description: AVB functional clock
284              - description: Optional TXC reference clock
285          clock-names:
286            minItems: 1
287            items:
288              - const: fck
289              - const: refclk
290
291additionalProperties: false
292
293examples:
294  - |
295    #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
296    #include <dt-bindings/interrupt-controller/arm-gic.h>
297    #include <dt-bindings/power/r8a7795-sysc.h>
298    #include <dt-bindings/gpio/gpio.h>
299    aliases {
300            ethernet0 = &avb;
301    };
302
303    avb: ethernet@e6800000 {
304            compatible = "renesas,etheravb-r8a7795",
305                         "renesas,etheravb-rcar-gen3";
306            reg = <0xe6800000 0x800>, <0xe6a00000 0x10000>;
307            interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
308                         <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
309                         <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
310                         <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
311                         <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
312                         <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
313                         <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
314                         <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>,
315                         <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
316                         <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
317                         <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
318                         <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>,
319                         <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>,
320                         <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>,
321                         <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
322                         <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
323                         <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
324                         <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
325                         <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
326                         <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
327                         <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
328                         <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
329                         <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
330                         <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>,
331                         <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
332            interrupt-names = "ch0", "ch1", "ch2", "ch3", "ch4", "ch5", "ch6",
333                              "ch7", "ch8", "ch9", "ch10", "ch11", "ch12",
334                              "ch13", "ch14", "ch15", "ch16", "ch17", "ch18",
335                              "ch19", "ch20", "ch21", "ch22", "ch23", "ch24";
336            clocks = <&cpg CPG_MOD 812>;
337            clock-names = "fck";
338            iommus = <&ipmmu_ds0 16>;
339            power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
340            resets = <&cpg 812>;
341            phy-mode = "rgmii";
342            phy-handle = <&phy0>;
343            rx-internal-delay-ps = <0>;
344            tx-internal-delay-ps = <2000>;
345            #address-cells = <1>;
346            #size-cells = <0>;
347
348            phy0: ethernet-phy@0 {
349                    compatible = "ethernet-phy-id0022.1622",
350                                 "ethernet-phy-ieee802.3-c22";
351                    rxc-skew-ps = <1500>;
352                    reg = <0>;
353                    interrupt-parent = <&gpio2>;
354                    interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
355                    reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
356            };
357    };
358