xref: /linux/Documentation/devicetree/bindings/net/mediatek,net.yaml (revision 6e2b347d42e54282e4c6cfa08272db462b178f7f) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/mediatek,net.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MediaTek Frame Engine Ethernet controller
8
9maintainers:
10  - Lorenzo Bianconi <lorenzo@kernel.org>
11  - Felix Fietkau <nbd@nbd.name>
12
13description:
14  The frame engine ethernet controller can be found on MediaTek SoCs. These SoCs
15  have dual GMAC ports.
16
17properties:
18  compatible:
19    enum:
20      - mediatek,mt2701-eth
21      - mediatek,mt7623-eth
22      - mediatek,mt7622-eth
23      - mediatek,mt7629-eth
24      - mediatek,mt7986-eth
25      - ralink,rt5350-eth
26
27  reg:
28    maxItems: 1
29
30  clocks: true
31  clock-names: true
32
33  interrupts:
34    minItems: 3
35    maxItems: 4
36
37  power-domains:
38    maxItems: 1
39
40  resets:
41    maxItems: 3
42
43  reset-names:
44    items:
45      - const: fe
46      - const: gmac
47      - const: ppe
48
49  mediatek,ethsys:
50    $ref: /schemas/types.yaml#/definitions/phandle
51    description:
52      Phandle to the syscon node that handles the port setup.
53
54  cci-control-port: true
55
56  mediatek,hifsys:
57    $ref: /schemas/types.yaml#/definitions/phandle
58    description:
59      Phandle to the mediatek hifsys controller used to provide various clocks
60      and reset to the system.
61
62  mediatek,sgmiisys:
63    $ref: /schemas/types.yaml#/definitions/phandle-array
64    minItems: 1
65    maxItems: 2
66    items:
67      maxItems: 1
68    description:
69      A list of phandle to the syscon node that handles the SGMII setup which is required for
70      those SoCs equipped with SGMII.
71
72  dma-coherent: true
73
74  mdio-bus:
75    $ref: mdio.yaml#
76    unevaluatedProperties: false
77
78  "#address-cells":
79    const: 1
80
81  "#size-cells":
82    const: 0
83
84allOf:
85  - $ref: "ethernet-controller.yaml#"
86  - if:
87      properties:
88        compatible:
89          contains:
90            enum:
91              - mediatek,mt2701-eth
92              - mediatek,mt7623-eth
93    then:
94      properties:
95        interrupts:
96          maxItems: 3
97
98        clocks:
99          minItems: 4
100          maxItems: 4
101
102        clock-names:
103          items:
104            - const: ethif
105            - const: esw
106            - const: gp1
107            - const: gp2
108
109        mediatek,pctl:
110          $ref: /schemas/types.yaml#/definitions/phandle
111          description:
112            Phandle to the syscon node that handles the ports slew rate and
113            driver current.
114
115  - if:
116      properties:
117        compatible:
118          contains:
119            const: mediatek,mt7622-eth
120    then:
121      properties:
122        interrupts:
123          maxItems: 3
124
125        clocks:
126          minItems: 11
127          maxItems: 11
128
129        clock-names:
130          items:
131            - const: ethif
132            - const: esw
133            - const: gp0
134            - const: gp1
135            - const: gp2
136            - const: sgmii_tx250m
137            - const: sgmii_rx250m
138            - const: sgmii_cdr_ref
139            - const: sgmii_cdr_fb
140            - const: sgmii_ck
141            - const: eth2pll
142
143        mediatek,sgmiisys:
144          minItems: 1
145          maxItems: 1
146
147        mediatek,wed:
148          $ref: /schemas/types.yaml#/definitions/phandle-array
149          minItems: 2
150          maxItems: 2
151          items:
152            maxItems: 1
153          description:
154            List of phandles to wireless ethernet dispatch nodes.
155
156        mediatek,pcie-mirror:
157          $ref: /schemas/types.yaml#/definitions/phandle
158          description:
159            Phandle to the mediatek pcie-mirror controller.
160
161  - if:
162      properties:
163        compatible:
164          contains:
165            const: mediatek,mt7629-eth
166    then:
167      properties:
168        interrupts:
169          maxItems: 3
170
171        clocks:
172          minItems: 17
173          maxItems: 17
174
175        clock-names:
176          items:
177            - const: ethif
178            - const: sgmiitop
179            - const: esw
180            - const: gp0
181            - const: gp1
182            - const: gp2
183            - const: fe
184            - const: sgmii_tx250m
185            - const: sgmii_rx250m
186            - const: sgmii_cdr_ref
187            - const: sgmii_cdr_fb
188            - const: sgmii2_tx250m
189            - const: sgmii2_rx250m
190            - const: sgmii2_cdr_ref
191            - const: sgmii2_cdr_fb
192            - const: sgmii_ck
193            - const: eth2pll
194
195        mediatek,infracfg:
196          $ref: /schemas/types.yaml#/definitions/phandle
197          description:
198            Phandle to the syscon node that handles the path from GMAC to
199            PHY variants.
200
201        mediatek,sgmiisys:
202          minItems: 2
203          maxItems: 2
204
205  - if:
206      properties:
207        compatible:
208          contains:
209            const: mediatek,mt7986-eth
210    then:
211      properties:
212        interrupts:
213          minItems: 4
214
215        clocks:
216          minItems: 15
217          maxItems: 15
218
219        clock-names:
220          items:
221            - const: fe
222            - const: gp2
223            - const: gp1
224            - const: wocpu1
225            - const: wocpu0
226            - const: sgmii_tx250m
227            - const: sgmii_rx250m
228            - const: sgmii_cdr_ref
229            - const: sgmii_cdr_fb
230            - const: sgmii2_tx250m
231            - const: sgmii2_rx250m
232            - const: sgmii2_cdr_ref
233            - const: sgmii2_cdr_fb
234            - const: netsys0
235            - const: netsys1
236
237        mediatek,sgmiisys:
238          minItems: 2
239          maxItems: 2
240
241patternProperties:
242  "^mac@[0-1]$":
243    type: object
244    additionalProperties: false
245    allOf:
246      - $ref: ethernet-controller.yaml#
247    description:
248      Ethernet MAC node
249    properties:
250      compatible:
251        const: mediatek,eth-mac
252
253      reg:
254        maxItems: 1
255
256      phy-handle: true
257
258      phy-mode: true
259
260    required:
261      - reg
262      - compatible
263      - phy-handle
264
265required:
266  - compatible
267  - reg
268  - interrupts
269  - clocks
270  - clock-names
271  - mediatek,ethsys
272
273unevaluatedProperties: false
274
275examples:
276  - |
277    #include <dt-bindings/interrupt-controller/arm-gic.h>
278    #include <dt-bindings/interrupt-controller/irq.h>
279    #include <dt-bindings/clock/mt7622-clk.h>
280    #include <dt-bindings/power/mt7622-power.h>
281
282    soc {
283      #address-cells = <2>;
284      #size-cells = <2>;
285
286      ethernet: ethernet@1b100000 {
287        compatible = "mediatek,mt7622-eth";
288        reg = <0 0x1b100000 0 0x20000>;
289        interrupts = <GIC_SPI 223 IRQ_TYPE_LEVEL_LOW>,
290                     <GIC_SPI 224 IRQ_TYPE_LEVEL_LOW>,
291                     <GIC_SPI 225 IRQ_TYPE_LEVEL_LOW>;
292        clocks = <&topckgen CLK_TOP_ETH_SEL>,
293                 <&ethsys CLK_ETH_ESW_EN>,
294                 <&ethsys CLK_ETH_GP0_EN>,
295                 <&ethsys CLK_ETH_GP1_EN>,
296                 <&ethsys CLK_ETH_GP2_EN>,
297                 <&sgmiisys CLK_SGMII_TX250M_EN>,
298                 <&sgmiisys CLK_SGMII_RX250M_EN>,
299                 <&sgmiisys CLK_SGMII_CDR_REF>,
300                 <&sgmiisys CLK_SGMII_CDR_FB>,
301                 <&topckgen CLK_TOP_SGMIIPLL>,
302                 <&apmixedsys CLK_APMIXED_ETH2PLL>;
303        clock-names = "ethif", "esw", "gp0", "gp1", "gp2",
304                      "sgmii_tx250m", "sgmii_rx250m",
305                      "sgmii_cdr_ref", "sgmii_cdr_fb", "sgmii_ck",
306                      "eth2pll";
307        power-domains = <&scpsys MT7622_POWER_DOMAIN_ETHSYS>;
308        mediatek,ethsys = <&ethsys>;
309        mediatek,sgmiisys = <&sgmiisys>;
310        cci-control-port = <&cci_control2>;
311        mediatek,pcie-mirror = <&pcie_mirror>;
312        mediatek,hifsys = <&hifsys>;
313        dma-coherent;
314
315        #address-cells = <1>;
316        #size-cells = <0>;
317
318        mdio0: mdio-bus {
319          #address-cells = <1>;
320          #size-cells = <0>;
321
322          phy0: ethernet-phy@0 {
323            reg = <0>;
324          };
325
326          phy1: ethernet-phy@1 {
327            reg = <1>;
328          };
329        };
330
331        gmac0: mac@0 {
332          compatible = "mediatek,eth-mac";
333          phy-mode = "rgmii";
334          phy-handle = <&phy0>;
335          reg = <0>;
336        };
337
338        gmac1: mac@1 {
339          compatible = "mediatek,eth-mac";
340          phy-mode = "rgmii";
341          phy-handle = <&phy1>;
342          reg = <1>;
343        };
344      };
345    };
346
347  - |
348    #include <dt-bindings/interrupt-controller/arm-gic.h>
349    #include <dt-bindings/interrupt-controller/irq.h>
350    #include <dt-bindings/clock/mt7622-clk.h>
351
352    soc {
353      #address-cells = <2>;
354      #size-cells = <2>;
355
356      eth: ethernet@15100000 {
357        #define CLK_ETH_FE_EN               0
358        #define CLK_ETH_WOCPU1_EN           3
359        #define CLK_ETH_WOCPU0_EN           4
360        #define CLK_TOP_NETSYS_SEL          43
361        #define CLK_TOP_NETSYS_500M_SEL     44
362        #define CLK_TOP_NETSYS_2X_SEL       46
363        #define CLK_TOP_SGM_325M_SEL        47
364        #define CLK_APMIXED_NET2PLL         1
365        #define CLK_APMIXED_SGMPLL          3
366
367        compatible = "mediatek,mt7986-eth";
368        reg = <0 0x15100000 0 0x80000>;
369        interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>,
370                     <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>,
371                     <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>,
372                     <GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH>;
373        clocks = <&ethsys CLK_ETH_FE_EN>,
374                 <&ethsys CLK_ETH_GP2_EN>,
375                 <&ethsys CLK_ETH_GP1_EN>,
376                 <&ethsys CLK_ETH_WOCPU1_EN>,
377                 <&ethsys CLK_ETH_WOCPU0_EN>,
378                 <&sgmiisys0 CLK_SGMII_TX250M_EN>,
379                 <&sgmiisys0 CLK_SGMII_RX250M_EN>,
380                 <&sgmiisys0 CLK_SGMII_CDR_REF>,
381                 <&sgmiisys0 CLK_SGMII_CDR_FB>,
382                 <&sgmiisys1 CLK_SGMII_TX250M_EN>,
383                 <&sgmiisys1 CLK_SGMII_RX250M_EN>,
384                 <&sgmiisys1 CLK_SGMII_CDR_REF>,
385                 <&sgmiisys1 CLK_SGMII_CDR_FB>,
386                 <&topckgen CLK_TOP_NETSYS_SEL>,
387                 <&topckgen CLK_TOP_NETSYS_SEL>;
388        clock-names = "fe", "gp2", "gp1", "wocpu1", "wocpu0",
389                      "sgmii_tx250m", "sgmii_rx250m",
390                      "sgmii_cdr_ref", "sgmii_cdr_fb",
391                      "sgmii2_tx250m", "sgmii2_rx250m",
392                      "sgmii2_cdr_ref", "sgmii2_cdr_fb",
393                      "netsys0", "netsys1";
394        mediatek,ethsys = <&ethsys>;
395        mediatek,sgmiisys = <&sgmiisys0>, <&sgmiisys1>;
396        assigned-clocks = <&topckgen CLK_TOP_NETSYS_2X_SEL>,
397                          <&topckgen CLK_TOP_SGM_325M_SEL>;
398        assigned-clock-parents = <&apmixedsys CLK_APMIXED_NET2PLL>,
399                                 <&apmixedsys CLK_APMIXED_SGMPLL>;
400
401        #address-cells = <1>;
402        #size-cells = <0>;
403
404        mdio: mdio-bus {
405          #address-cells = <1>;
406          #size-cells = <0>;
407
408          phy5: ethernet-phy@0 {
409            compatible = "ethernet-phy-id67c9.de0a";
410            phy-mode = "2500base-x";
411            reset-gpios = <&pio 6 1>;
412            reset-deassert-us = <20000>;
413            reg = <5>;
414          };
415
416          phy6: ethernet-phy@1 {
417            compatible = "ethernet-phy-id67c9.de0a";
418            phy-mode = "2500base-x";
419            reg = <6>;
420          };
421        };
422
423        mac0: mac@0 {
424          compatible = "mediatek,eth-mac";
425          phy-mode = "2500base-x";
426          phy-handle = <&phy5>;
427          reg = <0>;
428        };
429
430        mac1: mac@1 {
431          compatible = "mediatek,eth-mac";
432          phy-mode = "2500base-x";
433          phy-handle = <&phy6>;
434          reg = <1>;
435        };
436      };
437    };
438