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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 | # SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- $id: http://devicetree.org/schemas/net/snps,dwmac.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Synopsys DesignWare MAC Device Tree Bindings maintainers: - Alexandre Torgue <alexandre.torgue@st.com> - Giuseppe Cavallaro <peppe.cavallaro@st.com> - Jose Abreu <joabreu@synopsys.com> # Select every compatible, including the deprecated ones. This way, we # will be able to report a warning when we have that compatible, since # we will validate the node thanks to the select, but won't report it # as a valid value in the compatible property description select: properties: compatible: contains: enum: - snps,dwmac - snps,dwmac-3.50a - snps,dwmac-3.610 - snps,dwmac-3.70a - snps,dwmac-3.710 - snps,dwmac-4.00 - snps,dwmac-4.10a - snps,dwmac-4.20a - snps,dwxgmac - snps,dwxgmac-2.10 # Deprecated - st,spear600-gmac required: - compatible properties: # We need to include all the compatibles from schemas that will # include that schemas, otherwise compatible won't validate for # those. compatible: contains: enum: - allwinner,sun7i-a20-gmac - allwinner,sun8i-a83t-emac - allwinner,sun8i-h3-emac - allwinner,sun8i-r40-emac - allwinner,sun8i-v3s-emac - allwinner,sun50i-a64-emac - amlogic,meson6-dwmac - amlogic,meson8b-dwmac - amlogic,meson8m2-dwmac - amlogic,meson-gxbb-dwmac - amlogic,meson-axg-dwmac - rockchip,px30-gmac - rockchip,rk3128-gmac - rockchip,rk3228-gmac - rockchip,rk3288-gmac - rockchip,rk3328-gmac - rockchip,rk3366-gmac - rockchip,rk3368-gmac - rockchip,rk3399-gmac - rockchip,rv1108-gmac - snps,dwmac - snps,dwmac-3.50a - snps,dwmac-3.610 - snps,dwmac-3.70a - snps,dwmac-3.710 - snps,dwmac-4.00 - snps,dwmac-4.10a - snps,dwmac-4.20a - snps,dwxgmac - snps,dwxgmac-2.10 reg: minItems: 1 maxItems: 2 interrupts: minItems: 1 maxItems: 3 items: - description: Combined signal for various interrupt events - description: The interrupt to manage the remote wake-up packet detection - description: The interrupt that occurs when Rx exits the LPI state interrupt-names: minItems: 1 maxItems: 3 items: - const: macirq - const: eth_wake_irq - const: eth_lpi clocks: minItems: 1 maxItems: 8 additionalItems: true items: - description: GMAC main clock - description: Peripheral registers interface clock - description: PTP reference clock. This clock is used for programming the Timestamp Addend Register. If not passed then the system clock will be used and this is fine on some platforms. clock-names: minItems: 1 maxItems: 8 additionalItems: true contains: enum: - stmmaceth - pclk - ptp_ref resets: maxItems: 1 description: MAC Reset signal. reset-names: const: stmmaceth mac-mode: $ref: ethernet-controller.yaml#/properties/phy-connection-type description: The property is identical to 'phy-mode', and assumes that there is mode converter in-between the MAC & PHY (e.g. GMII-to-RGMII). This converter can be passive (no SW requirement), and requires that the MAC operate in a different mode than the PHY in order to function. snps,axi-config: $ref: /schemas/types.yaml#/definitions/phandle description: AXI BUS Mode parameters. Phandle to a node that can contain the following properties * snps,lpi_en, enable Low Power Interface * snps,xit_frm, unlock on WoL * snps,wr_osr_lmt, max write outstanding req. limit * snps,rd_osr_lmt, max read outstanding req. limit * snps,kbbe, do not cross 1KiB boundary. * snps,blen, this is a vector of supported burst length. * snps,fb, fixed-burst * snps,mb, mixed-burst * snps,rb, rebuild INCRx Burst snps,mtl-rx-config: $ref: /schemas/types.yaml#/definitions/phandle description: Multiple RX Queues parameters. Phandle to a node that can contain the following properties * snps,rx-queues-to-use, number of RX queues to be used in the driver * Choose one of these RX scheduling algorithms * snps,rx-sched-sp, Strict priority * snps,rx-sched-wsp, Weighted Strict priority * For each RX queue * Choose one of these modes * snps,dcb-algorithm, Queue to be enabled as DCB * snps,avb-algorithm, Queue to be enabled as AVB * snps,map-to-dma-channel, Channel to map * Specifiy specific packet routing * snps,route-avcp, AV Untagged Control packets * snps,route-ptp, PTP Packets * snps,route-dcbcp, DCB Control Packets * snps,route-up, Untagged Packets * snps,route-multi-broad, Multicast & Broadcast Packets * snps,priority, bitmask of the tagged frames priorities assigned to the queue snps,mtl-tx-config: $ref: /schemas/types.yaml#/definitions/phandle description: Multiple TX Queues parameters. Phandle to a node that can contain the following properties * snps,tx-queues-to-use, number of TX queues to be used in the driver * Choose one of these TX scheduling algorithms * snps,tx-sched-wrr, Weighted Round Robin * snps,tx-sched-wfq, Weighted Fair Queuing * snps,tx-sched-dwrr, Deficit Weighted Round Robin * snps,tx-sched-sp, Strict priority * For each TX queue * snps,weight, TX queue weight (if using a DCB weight algorithm) * Choose one of these modes * snps,dcb-algorithm, TX queue will be working in DCB * snps,avb-algorithm, TX queue will be working in AVB [Attention] Queue 0 is reserved for legacy traffic and so no AVB is available in this queue. * Configure Credit Base Shaper (if AVB Mode selected) * snps,send_slope, enable Low Power Interface * snps,idle_slope, unlock on WoL * snps,high_credit, max write outstanding req. limit * snps,low_credit, max read outstanding req. limit * snps,priority, bitmask of the priorities assigned to the queue. When a PFC frame is received with priorities matching the bitmask, the queue is blocked from transmitting for the pause time specified in the PFC frame. snps,reset-gpio: deprecated: true maxItems: 1 description: PHY Reset GPIO snps,reset-active-low: deprecated: true $ref: /schemas/types.yaml#/definitions/flag description: Indicates that the PHY Reset is active low snps,reset-delays-us: deprecated: true description: Triplet of delays. The 1st cell is reset pre-delay in micro seconds. The 2nd cell is reset pulse in micro seconds. The 3rd cell is reset post-delay in micro seconds. minItems: 3 maxItems: 3 snps,aal: $ref: /schemas/types.yaml#/definitions/flag description: Use Address-Aligned Beats snps,fixed-burst: $ref: /schemas/types.yaml#/definitions/flag description: Program the DMA to use the fixed burst mode snps,mixed-burst: $ref: /schemas/types.yaml#/definitions/flag description: Program the DMA to use the mixed burst mode snps,force_thresh_dma_mode: $ref: /schemas/types.yaml#/definitions/flag description: Force DMA to use the threshold mode for both tx and rx snps,force_sf_dma_mode: $ref: /schemas/types.yaml#/definitions/flag description: Force DMA to use the Store and Forward mode for both tx and rx. This flag is ignored if force_thresh_dma_mode is set. snps,en-tx-lpi-clockgating: $ref: /schemas/types.yaml#/definitions/flag description: Enable gating of the MAC TX clock during TX low-power mode snps,multicast-filter-bins: $ref: /schemas/types.yaml#/definitions/uint32 description: Number of multicast filter hash bins supported by this device instance snps,perfect-filter-entries: $ref: /schemas/types.yaml#/definitions/uint32 description: Number of perfect filter entries supported by this device instance snps,ps-speed: $ref: /schemas/types.yaml#/definitions/uint32 description: Port selection speed that can be passed to the core when PCS is supported. For example, this is used in case of SGMII and MAC2MAC connection. mdio: type: object description: Creates and registers an MDIO bus. properties: compatible: const: snps,dwmac-mdio required: - compatible required: - compatible - reg - interrupts - interrupt-names - phy-mode dependencies: snps,reset-active-low: ["snps,reset-gpio"] snps,reset-delay-us: ["snps,reset-gpio"] allOf: - $ref: "ethernet-controller.yaml#" - if: properties: compatible: contains: enum: - allwinner,sun7i-a20-gmac - allwinner,sun8i-a83t-emac - allwinner,sun8i-h3-emac - allwinner,sun8i-r40-emac - allwinner,sun8i-v3s-emac - allwinner,sun50i-a64-emac - snps,dwxgmac - snps,dwxgmac-2.10 - st,spear600-gmac then: properties: snps,pbl: description: Programmable Burst Length (tx and rx) $ref: /schemas/types.yaml#/definitions/uint32 enum: [2, 4, 8] snps,txpbl: description: Tx Programmable Burst Length. If set, DMA tx will use this value rather than snps,pbl. $ref: /schemas/types.yaml#/definitions/uint32 enum: [2, 4, 8] snps,rxpbl: description: Rx Programmable Burst Length. If set, DMA rx will use this value rather than snps,pbl. $ref: /schemas/types.yaml#/definitions/uint32 enum: [2, 4, 8] snps,no-pbl-x8: $ref: /schemas/types.yaml#/definitions/flag description: Don\'t multiply the pbl/txpbl/rxpbl values by 8. For core rev < 3.50, don\'t multiply the values by 4. - if: properties: compatible: contains: enum: - allwinner,sun7i-a20-gmac - allwinner,sun8i-a83t-emac - allwinner,sun8i-h3-emac - allwinner,sun8i-r40-emac - allwinner,sun8i-v3s-emac - allwinner,sun50i-a64-emac - snps,dwmac-4.00 - snps,dwmac-4.10a - snps,dwmac-4.20a - snps,dwxgmac - snps,dwxgmac-2.10 - st,spear600-gmac then: properties: snps,tso: $ref: /schemas/types.yaml#/definitions/flag description: Enables the TSO feature otherwise it will be managed by MAC HW capability register. additionalProperties: true examples: - | stmmac_axi_setup: stmmac-axi-config { snps,wr_osr_lmt = <0xf>; snps,rd_osr_lmt = <0xf>; snps,blen = <256 128 64 32 0 0 0>; }; mtl_rx_setup: rx-queues-config { snps,rx-queues-to-use = <1>; snps,rx-sched-sp; queue0 { snps,dcb-algorithm; snps,map-to-dma-channel = <0x0>; snps,priority = <0x0>; }; }; mtl_tx_setup: tx-queues-config { snps,tx-queues-to-use = <2>; snps,tx-sched-wrr; queue0 { snps,weight = <0x10>; snps,dcb-algorithm; snps,priority = <0x0>; }; queue1 { snps,avb-algorithm; snps,send_slope = <0x1000>; snps,idle_slope = <0x1000>; snps,high_credit = <0x3E800>; snps,low_credit = <0xFFC18000>; snps,priority = <0x1>; }; }; gmac0: ethernet@e0800000 { compatible = "snps,dwxgmac-2.10", "snps,dwxgmac"; reg = <0xe0800000 0x8000>; interrupt-parent = <&vic1>; interrupts = <24 23 22>; interrupt-names = "macirq", "eth_wake_irq", "eth_lpi"; mac-address = [000000000000]; /* Filled in by U-Boot */ max-frame-size = <3800>; phy-mode = "gmii"; snps,multicast-filter-bins = <256>; snps,perfect-filter-entries = <128>; rx-fifo-depth = <16384>; tx-fifo-depth = <16384>; clocks = <&clock>; clock-names = "stmmaceth"; snps,axi-config = <&stmmac_axi_setup>; snps,mtl-rx-config = <&mtl_rx_setup>; snps,mtl-tx-config = <&mtl_tx_setup>; mdio0 { #address-cells = <1>; #size-cells = <0>; compatible = "snps,dwmac-mdio"; phy1: ethernet-phy@0 { reg = <0>; }; }; }; # FIXME: We should set it, but it would report all the generic # properties as additional properties. # additionalProperties: false ... |