Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | ... |