1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/net/allwinner,sun8i-a83t-emac.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Allwinner A83t EMAC
8
9 maintainers:
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
12
13 properties:
14 compatible:
15 oneOf:
16 - const: allwinner,sun8i-a83t-emac
17 - const: allwinner,sun8i-h3-emac
18 - const: allwinner,sun8i-r40-gmac
19 - const: allwinner,sun8i-v3s-emac
20 - const: allwinner,sun50i-a64-emac
21 - items:
22 - enum:
23 - allwinner,sun20i-d1-emac
24 - allwinner,sun50i-h6-emac
25 - allwinner,sun50i-h616-emac0
26 - const: allwinner,sun50i-a64-emac
27
28 reg:
29 maxItems: 1
30
31 interrupts:
32 maxItems: 1
33
34 interrupt-names:
35 const: macirq
36
37 clocks:
38 maxItems: 1
39
40 clock-names:
41 const: stmmaceth
42
43 phy-supply:
44 description: PHY regulator
45
46 syscon:
47 $ref: /schemas/types.yaml#/definitions/phandle
48 description:
49 Phandle to the device containing the EMAC or GMAC clock
50 register
51
52 required:
53 - compatible
54 - reg
55 - interrupts
56 - interrupt-names
57 - clocks
58 - clock-names
59 - resets
60 - reset-names
61 - phy-handle
62 - phy-mode
63 - syscon
64
65 allOf:
66 - $ref: snps,dwmac.yaml#
67 - if:
68 properties:
69 compatible:
70 contains:
71 enum:
72 - allwinner,sun8i-a83t-emac
73 - allwinner,sun8i-h3-emac
74 - allwinner,sun8i-v3s-emac
75 - allwinner,sun50i-a64-emac
76
77 then:
78 properties:
79 allwinner,tx-delay-ps:
80 default: 0
81 minimum: 0
82 maximum: 700
83 multipleOf: 100
84 description:
85 External RGMII PHY TX clock delay chain value in ps.
86
87 allwinner,rx-delay-ps:
88 default: 0
89 minimum: 0
90 maximum: 3100
91 multipleOf: 100
92 description:
93 External RGMII PHY TX clock delay chain value in ps.
94
95 - if:
96 properties:
97 compatible:
98 contains:
99 enum:
100 - allwinner,sun8i-r40-gmac
101
102 then:
103 properties:
104 allwinner,rx-delay-ps:
105 default: 0
106 minimum: 0
107 maximum: 700
108 multipleOf: 100
109 description:
110 External RGMII PHY TX clock delay chain value in ps.
111
112 - if:
113 properties:
114 compatible:
115 contains:
116 enum:
117 - allwinner,sun8i-h3-emac
118 - allwinner,sun8i-v3s-emac
119
120 then:
121 properties:
122 allwinner,leds-active-low:
123 $ref: /schemas/types.yaml#/definitions/flag
124 description:
125 EPHY LEDs are active low.
126
127 mdio-mux:
128 type: object
129 unevaluatedProperties: false
130
131 properties:
132 compatible:
133 const: allwinner,sun8i-h3-mdio-mux
134
135 mdio-parent-bus:
136 $ref: /schemas/types.yaml#/definitions/phandle
137 description:
138 Phandle to EMAC MDIO.
139
140 "#address-cells":
141 const: 1
142
143 "#size-cells":
144 const: 0
145
146 mdio@1:
147 $ref: mdio.yaml#
148 unevaluatedProperties: false
149 description: Internal MDIO Bus
150
151 properties:
152 compatible:
153 const: allwinner,sun8i-h3-mdio-internal
154
155 reg:
156 const: 1
157
158 patternProperties:
159 "^ethernet-phy@[0-9a-f]$":
160 type: object
161 $ref: ethernet-phy.yaml#
162 unevaluatedProperties: false
163 description:
164 Integrated PHY node
165
166 properties:
167 clocks:
168 maxItems: 1
169
170 resets:
171 maxItems: 1
172
173 required:
174 - clocks
175 - resets
176
177
178 mdio@2:
179 $ref: mdio.yaml#
180 unevaluatedProperties: false
181 description: External MDIO Bus (H3 only)
182
183 properties:
184 reg:
185 const: 2
186
187 required:
188 - compatible
189 - mdio-parent-bus
190 - mdio@1
191
192 unevaluatedProperties: false
193
194 examples:
195 - |
196 ethernet@1c0b000 {
197 compatible = "allwinner,sun8i-h3-emac";
198 syscon = <&syscon>;
199 reg = <0x01c0b000 0x104>;
200 interrupts = <0 82 1>;
201 interrupt-names = "macirq";
202 resets = <&ccu 12>;
203 reset-names = "stmmaceth";
204 clocks = <&ccu 27>;
205 clock-names = "stmmaceth";
206
207 phy-handle = <&int_mii_phy>;
208 phy-mode = "mii";
209 allwinner,leds-active-low;
210
211 mdio1: mdio {
212 #address-cells = <1>;
213 #size-cells = <0>;
214 compatible = "snps,dwmac-mdio";
215 };
216
217 mdio-mux {
218 compatible = "allwinner,sun8i-h3-mdio-mux";
219 #address-cells = <1>;
220 #size-cells = <0>;
221
222 mdio-parent-bus = <&mdio1>;
223
224 int_mii_phy: mdio@1 {
225 compatible = "allwinner,sun8i-h3-mdio-internal";
226 reg = <1>;
227 #address-cells = <1>;
228 #size-cells = <0>;
229
230 ethernet-phy@1 {
231 reg = <1>;
232 clocks = <&ccu 67>;
233 resets = <&ccu 39>;
234 phy-is-integrated;
235 };
236 };
237
238 mdio@2 {
239 reg = <2>;
240 #address-cells = <1>;
241 #size-cells = <0>;
242 };
243 };
244 };
245
246 - |
247 ethernet@1c0b000 {
248 compatible = "allwinner,sun8i-h3-emac";
249 syscon = <&syscon>;
250 reg = <0x01c0b000 0x104>;
251 interrupts = <0 82 1>;
252 interrupt-names = "macirq";
253 resets = <&ccu 12>;
254 reset-names = "stmmaceth";
255 clocks = <&ccu 27>;
256 clock-names = "stmmaceth";
257
258 phy-handle = <&ext_rgmii_phy>;
259 phy-mode = "rgmii";
260 allwinner,leds-active-low;
261
262 mdio2: mdio {
263 #address-cells = <1>;
264 #size-cells = <0>;
265 compatible = "snps,dwmac-mdio";
266 };
267
268 mdio-mux {
269 compatible = "allwinner,sun8i-h3-mdio-mux";
270 #address-cells = <1>;
271 #size-cells = <0>;
272 mdio-parent-bus = <&mdio2>;
273
274 mdio@1 {
275 compatible = "allwinner,sun8i-h3-mdio-internal";
276 reg = <1>;
277 #address-cells = <1>;
278 #size-cells = <0>;
279
280 ethernet-phy@1 {
281 reg = <1>;
282 clocks = <&ccu 67>;
283 resets = <&ccu 39>;
284 };
285 };
286
287 mdio@2 {
288 reg = <2>;
289 #address-cells = <1>;
290 #size-cells = <0>;
291
292 ext_rgmii_phy: ethernet-phy@1 {
293 reg = <1>;
294 };
295 };
296 };
297 };
298
299 - |
300 ethernet@1c0b000 {
301 compatible = "allwinner,sun8i-a83t-emac";
302 syscon = <&syscon>;
303 reg = <0x01c0b000 0x104>;
304 interrupts = <0 82 1>;
305 interrupt-names = "macirq";
306 resets = <&ccu 13>;
307 reset-names = "stmmaceth";
308 clocks = <&ccu 27>;
309 clock-names = "stmmaceth";
310 phy-handle = <&ext_rgmii_phy1>;
311 phy-mode = "rgmii";
312
313 mdio {
314 compatible = "snps,dwmac-mdio";
315 #address-cells = <1>;
316 #size-cells = <0>;
317
318 ext_rgmii_phy1: ethernet-phy@1 {
319 reg = <1>;
320 };
321 };
322 };
323
324 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.