Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/riscv/canaan/k210.dtsi
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1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com> 4 * Copyright (C) 2020 Western Digital Corporation or its affiliates. 5 */ 6 #include <dt-bindings/clock/k210-clk.h> 7 #include <dt-bindings/pinctrl/k210-fpioa.h> 8 #include <dt-bindings/reset/k210-rst.h> 9 10 / { 11 /* 12 * Although the K210 is a 64-bit CPU, the address bus is only 32-bits 13 * wide, and the upper half of all addresses is ignored. 14 */ 15 #address-cells = <1>; 16 #size-cells = <1>; 17 compatible = "canaan,kendryte-k210"; 18 19 aliases { 20 serial0 = &uarths0; 21 serial1 = &uart1; 22 serial2 = &uart2; 23 serial3 = &uart3; 24 }; 25 26 /* 27 * The K210 has an sv39 MMU following the privileged specification v1.9. 28 * Since this is a non-ratified draft specification, the kernel does not 29 * support it and the K210 support enabled only for the !MMU case. 30 * Be consistent with this by setting the CPUs MMU type to "none". 31 */ 32 cpus { 33 #address-cells = <1>; 34 #size-cells = <0>; 35 timebase-frequency = <7800000>; 36 cpu0: cpu@0 { 37 device_type = "cpu"; 38 compatible = "canaan,k210", "riscv"; 39 reg = <0>; 40 riscv,isa = "rv64imafdc"; 41 mmu-type = "riscv,none"; 42 i-cache-block-size = <64>; 43 i-cache-size = <0x8000>; 44 d-cache-block-size = <64>; 45 d-cache-size = <0x8000>; 46 cpu0_intc: interrupt-controller { 47 #interrupt-cells = <1>; 48 interrupt-controller; 49 compatible = "riscv,cpu-intc"; 50 }; 51 }; 52 cpu1: cpu@1 { 53 device_type = "cpu"; 54 compatible = "canaan,k210", "riscv"; 55 reg = <1>; 56 riscv,isa = "rv64imafdc"; 57 mmu-type = "riscv,none"; 58 i-cache-block-size = <64>; 59 i-cache-size = <0x8000>; 60 d-cache-block-size = <64>; 61 d-cache-size = <0x8000>; 62 cpu1_intc: interrupt-controller { 63 #interrupt-cells = <1>; 64 interrupt-controller; 65 compatible = "riscv,cpu-intc"; 66 }; 67 }; 68 69 cpu-map { 70 cluster0 { 71 core0 { 72 cpu = <&cpu0>; 73 }; 74 75 core1 { 76 cpu = <&cpu1>; 77 }; 78 }; 79 }; 80 }; 81 82 sram: memory@80000000 { 83 device_type = "memory"; 84 reg = <0x80000000 0x400000>, /* sram0 4 MiB */ 85 <0x80400000 0x200000>, /* sram1 2 MiB */ 86 <0x80600000 0x200000>; /* aisram 2 MiB */ 87 }; 88 89 sram_controller: memory-controller { 90 compatible = "canaan,k210-sram"; 91 clocks = <&sysclk K210_CLK_SRAM0>, 92 <&sysclk K210_CLK_SRAM1>, 93 <&sysclk K210_CLK_AI>; 94 clock-names = "sram0", "sram1", "aisram"; 95 }; 96 97 clocks { 98 in0: oscillator { 99 compatible = "fixed-clock"; 100 #clock-cells = <0>; 101 clock-frequency = <26000000>; 102 }; 103 }; 104 105 soc { 106 #address-cells = <1>; 107 #size-cells = <1>; 108 compatible = "simple-bus"; 109 ranges; 110 interrupt-parent = <&plic0>; 111 112 rom0: nvmem@1000 { 113 reg = <0x1000 0x1000>; 114 read-only; 115 }; 116 117 clint0: timer@2000000 { 118 compatible = "canaan,k210-clint", "sifive,clint0"; 119 reg = <0x2000000 0xC000>; 120 interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>, 121 <&cpu1_intc 3>, <&cpu1_intc 7>; 122 }; 123 124 plic0: interrupt-controller@c000000 { 125 #interrupt-cells = <1>; 126 #address-cells = <0>; 127 compatible = "canaan,k210-plic", "sifive,plic-1.0.0"; 128 reg = <0xC000000 0x4000000>; 129 interrupt-controller; 130 interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>, 131 <&cpu1_intc 11>, <&cpu1_intc 9>; 132 riscv,ndev = <65>; 133 }; 134 135 uarths0: serial@38000000 { 136 compatible = "canaan,k210-uarths", "sifive,uart0"; 137 reg = <0x38000000 0x1000>; 138 interrupts = <33>; 139 clocks = <&sysclk K210_CLK_CPU>; 140 }; 141 142 gpio0: gpio-controller@38001000 { 143 #interrupt-cells = <2>; 144 #gpio-cells = <2>; 145 compatible = "canaan,k210-gpiohs", "sifive,gpio0"; 146 reg = <0x38001000 0x1000>; 147 interrupt-controller; 148 interrupts = <34>, <35>, <36>, <37>, <38>, <39>, <40>, 149 <41>, <42>, <43>, <44>, <45>, <46>, <47>, 150 <48>, <49>, <50>, <51>, <52>, <53>, <54>, 151 <55>, <56>, <57>, <58>, <59>, <60>, <61>, 152 <62>, <63>, <64>, <65>; 153 gpio-controller; 154 ngpios = <32>; 155 }; 156 157 dmac0: dma-controller@50000000 { 158 compatible = "snps,axi-dma-1.01a"; 159 reg = <0x50000000 0x1000>; 160 interrupts = <27>, <28>, <29>, <30>, <31>, <32>; 161 #dma-cells = <1>; 162 clocks = <&sysclk K210_CLK_DMA>, <&sysclk K210_CLK_DMA>; 163 clock-names = "core-clk", "cfgr-clk"; 164 resets = <&sysrst K210_RST_DMA>; 165 dma-channels = <6>; 166 snps,dma-masters = <2>; 167 snps,priority = <0 1 2 3 4 5>; 168 snps,data-width = <5>; 169 snps,block-size = <0x200000 0x200000 0x200000 170 0x200000 0x200000 0x200000>; 171 snps,axi-max-burst-len = <256>; 172 }; 173 174 apb0: bus@50200000 { 175 #address-cells = <1>; 176 #size-cells = <1>; 177 compatible = "simple-pm-bus"; 178 ranges = <0x50200000 0x50200000 0x200000>; 179 clocks = <&sysclk K210_CLK_APB0>; 180 181 gpio1: gpio@50200000 { 182 #address-cells = <1>; 183 #size-cells = <0>; 184 compatible = "snps,dw-apb-gpio"; 185 reg = <0x50200000 0x80>; 186 clocks = <&sysclk K210_CLK_APB0>, 187 <&sysclk K210_CLK_GPIO>; 188 clock-names = "bus", "db"; 189 resets = <&sysrst K210_RST_GPIO>; 190 191 gpio1_0: gpio-port@0 { 192 #gpio-cells = <2>; 193 #interrupt-cells = <2>; 194 compatible = "snps,dw-apb-gpio-port"; 195 reg = <0>; 196 interrupt-controller; 197 interrupts = <23>; 198 gpio-controller; 199 ngpios = <8>; 200 }; 201 }; 202 203 uart1: serial@50210000 { 204 compatible = "snps,dw-apb-uart"; 205 reg = <0x50210000 0x100>; 206 interrupts = <11>; 207 clocks = <&sysclk K210_CLK_UART1>, 208 <&sysclk K210_CLK_APB0>; 209 clock-names = "baudclk", "apb_pclk"; 210 resets = <&sysrst K210_RST_UART1>; 211 reg-io-width = <4>; 212 reg-shift = <2>; 213 dcd-override; 214 dsr-override; 215 cts-override; 216 ri-override; 217 }; 218 219 uart2: serial@50220000 { 220 compatible = "snps,dw-apb-uart"; 221 reg = <0x50220000 0x100>; 222 interrupts = <12>; 223 clocks = <&sysclk K210_CLK_UART2>, 224 <&sysclk K210_CLK_APB0>; 225 clock-names = "baudclk", "apb_pclk"; 226 resets = <&sysrst K210_RST_UART2>; 227 reg-io-width = <4>; 228 reg-shift = <2>; 229 dcd-override; 230 dsr-override; 231 cts-override; 232 ri-override; 233 }; 234 235 uart3: serial@50230000 { 236 compatible = "snps,dw-apb-uart"; 237 reg = <0x50230000 0x100>; 238 interrupts = <13>; 239 clocks = <&sysclk K210_CLK_UART3>, 240 <&sysclk K210_CLK_APB0>; 241 clock-names = "baudclk", "apb_pclk"; 242 resets = <&sysrst K210_RST_UART3>; 243 reg-io-width = <4>; 244 reg-shift = <2>; 245 dcd-override; 246 dsr-override; 247 cts-override; 248 ri-override; 249 }; 250 251 spi2: spi@50240000 { 252 compatible = "canaan,k210-spi"; 253 spi-slave; 254 reg = <0x50240000 0x100>; 255 #address-cells = <0>; 256 #size-cells = <0>; 257 interrupts = <3>; 258 clocks = <&sysclk K210_CLK_SPI2>, 259 <&sysclk K210_CLK_APB0>; 260 clock-names = "ssi_clk", "pclk"; 261 resets = <&sysrst K210_RST_SPI2>; 262 spi-max-frequency = <25000000>; 263 }; 264 265 i2s0: i2s@50250000 { 266 compatible = "canaan,k210-i2s", "snps,designware-i2s"; 267 reg = <0x50250000 0x200>; 268 interrupts = <5>; 269 clocks = <&sysclk K210_CLK_I2S0>; 270 clock-names = "i2sclk"; 271 resets = <&sysrst K210_RST_I2S0>; 272 }; 273 274 i2s1: i2s@50260000 { 275 compatible = "canaan,k210-i2s", "snps,designware-i2s"; 276 reg = <0x50260000 0x200>; 277 interrupts = <6>; 278 clocks = <&sysclk K210_CLK_I2S1>; 279 clock-names = "i2sclk"; 280 resets = <&sysrst K210_RST_I2S1>; 281 }; 282 283 i2s2: i2s@50270000 { 284 compatible = "canaan,k210-i2s", "snps,designware-i2s"; 285 reg = <0x50270000 0x200>; 286 interrupts = <7>; 287 clocks = <&sysclk K210_CLK_I2S2>; 288 clock-names = "i2sclk"; 289 resets = <&sysrst K210_RST_I2S2>; 290 }; 291 292 i2c0: i2c@50280000 { 293 compatible = "snps,designware-i2c"; 294 reg = <0x50280000 0x100>; 295 interrupts = <8>; 296 clocks = <&sysclk K210_CLK_I2C0>, 297 <&sysclk K210_CLK_APB0>; 298 clock-names = "ref", "pclk"; 299 resets = <&sysrst K210_RST_I2C0>; 300 }; 301 302 i2c1: i2c@50290000 { 303 compatible = "snps,designware-i2c"; 304 reg = <0x50290000 0x100>; 305 interrupts = <9>; 306 clocks = <&sysclk K210_CLK_I2C1>, 307 <&sysclk K210_CLK_APB0>; 308 clock-names = "ref", "pclk"; 309 resets = <&sysrst K210_RST_I2C1>; 310 }; 311 312 i2c2: i2c@502a0000 { 313 compatible = "snps,designware-i2c"; 314 reg = <0x502A0000 0x100>; 315 interrupts = <10>; 316 clocks = <&sysclk K210_CLK_I2C2>, 317 <&sysclk K210_CLK_APB0>; 318 clock-names = "ref", "pclk"; 319 resets = <&sysrst K210_RST_I2C2>; 320 }; 321 322 fpioa: pinmux@502b0000 { 323 compatible = "canaan,k210-fpioa"; 324 reg = <0x502B0000 0x100>; 325 clocks = <&sysclk K210_CLK_FPIOA>, 326 <&sysclk K210_CLK_APB0>; 327 clock-names = "ref", "pclk"; 328 resets = <&sysrst K210_RST_FPIOA>; 329 canaan,k210-sysctl-power = <&sysctl 108>; 330 }; 331 332 timer0: timer@502d0000 { 333 compatible = "snps,dw-apb-timer"; 334 reg = <0x502D0000 0x14>; 335 interrupts = <14>; 336 clocks = <&sysclk K210_CLK_TIMER0>, 337 <&sysclk K210_CLK_APB0>; 338 clock-names = "timer", "pclk"; 339 resets = <&sysrst K210_RST_TIMER0>; 340 }; 341 342 timer1: timer@502d0014 { 343 compatible = "snps,dw-apb-timer"; 344 reg = <0x502D0014 0x14>; 345 interrupts = <15>; 346 clocks = <&sysclk K210_CLK_TIMER0>, 347 <&sysclk K210_CLK_APB0>; 348 clock-names = "timer", "pclk"; 349 resets = <&sysrst K210_RST_TIMER0>; 350 }; 351 352 timer2: timer@502e0000 { 353 compatible = "snps,dw-apb-timer"; 354 reg = <0x502E0000 0x14>; 355 interrupts = <16>; 356 clocks = <&sysclk K210_CLK_TIMER1>, 357 <&sysclk K210_CLK_APB0>; 358 clock-names = "timer", "pclk"; 359 resets = <&sysrst K210_RST_TIMER1>; 360 }; 361 362 timer3: timer@502e0014 { 363 compatible = "snps,dw-apb-timer"; 364 reg = <0x502E0014 0x114>; 365 interrupts = <17>; 366 clocks = <&sysclk K210_CLK_TIMER1>, 367 <&sysclk K210_CLK_APB0>; 368 clock-names = "timer", "pclk"; 369 resets = <&sysrst K210_RST_TIMER1>; 370 }; 371 372 timer4: timer@502f0000 { 373 compatible = "snps,dw-apb-timer"; 374 reg = <0x502F0000 0x14>; 375 interrupts = <18>; 376 clocks = <&sysclk K210_CLK_TIMER2>, 377 <&sysclk K210_CLK_APB0>; 378 clock-names = "timer", "pclk"; 379 resets = <&sysrst K210_RST_TIMER2>; 380 }; 381 382 timer5: timer@502f0014 { 383 compatible = "snps,dw-apb-timer"; 384 reg = <0x502F0014 0x14>; 385 interrupts = <19>; 386 clocks = <&sysclk K210_CLK_TIMER2>, 387 <&sysclk K210_CLK_APB0>; 388 clock-names = "timer", "pclk"; 389 resets = <&sysrst K210_RST_TIMER2>; 390 }; 391 }; 392 393 apb1: bus@50400000 { 394 #address-cells = <1>; 395 #size-cells = <1>; 396 compatible = "simple-pm-bus"; 397 ranges = <0x50400000 0x50400000 0x40100>; 398 clocks = <&sysclk K210_CLK_APB1>; 399 400 wdt0: watchdog@50400000 { 401 compatible = "snps,dw-wdt"; 402 reg = <0x50400000 0x100>; 403 interrupts = <21>; 404 clocks = <&sysclk K210_CLK_WDT0>, 405 <&sysclk K210_CLK_APB1>; 406 clock-names = "tclk", "pclk"; 407 resets = <&sysrst K210_RST_WDT0>; 408 }; 409 410 wdt1: watchdog@50410000 { 411 compatible = "snps,dw-wdt"; 412 reg = <0x50410000 0x100>; 413 interrupts = <22>; 414 clocks = <&sysclk K210_CLK_WDT1>, 415 <&sysclk K210_CLK_APB1>; 416 clock-names = "tclk", "pclk"; 417 resets = <&sysrst K210_RST_WDT1>; 418 }; 419 420 sysctl: syscon@50440000 { 421 compatible = "canaan,k210-sysctl", 422 "syscon", "simple-mfd"; 423 reg = <0x50440000 0x100>; 424 clocks = <&sysclk K210_CLK_APB1>; 425 clock-names = "pclk"; 426 427 sysclk: clock-controller { 428 #clock-cells = <1>; 429 compatible = "canaan,k210-clk"; 430 clocks = <&in0>; 431 }; 432 433 sysrst: reset-controller { 434 compatible = "canaan,k210-rst"; 435 #reset-cells = <1>; 436 }; 437 438 reboot: syscon-reboot { 439 compatible = "syscon-reboot"; 440 regmap = <&sysctl>; 441 offset = <48>; 442 mask = <1>; 443 value = <1>; 444 }; 445 }; 446 }; 447 448 apb2: bus@52000000 { 449 #address-cells = <1>; 450 #size-cells = <1>; 451 compatible = "simple-pm-bus"; 452 ranges = <0x52000000 0x52000000 0x2000200>; 453 clocks = <&sysclk K210_CLK_APB2>; 454 455 spi0: spi@52000000 { 456 #address-cells = <1>; 457 #size-cells = <0>; 458 compatible = "canaan,k210-spi"; 459 reg = <0x52000000 0x100>; 460 interrupts = <1>; 461 clocks = <&sysclk K210_CLK_SPI0>, 462 <&sysclk K210_CLK_APB2>; 463 clock-names = "ssi_clk", "pclk"; 464 resets = <&sysrst K210_RST_SPI0>; 465 reset-names = "spi"; 466 num-cs = <4>; 467 reg-io-width = <4>; 468 }; 469 470 spi1: spi@53000000 { 471 #address-cells = <1>; 472 #size-cells = <0>; 473 compatible = "canaan,k210-spi"; 474 reg = <0x53000000 0x100>; 475 interrupts = <2>; 476 clocks = <&sysclk K210_CLK_SPI1>, 477 <&sysclk K210_CLK_APB2>; 478 clock-names = "ssi_clk", "pclk"; 479 resets = <&sysrst K210_RST_SPI1>; 480 reset-names = "spi"; 481 num-cs = <4>; 482 reg-io-width = <4>; 483 }; 484 485 spi3: spi@54000000 { 486 #address-cells = <1>; 487 #size-cells = <0>; 488 compatible = "snps,dwc-ssi-1.01a"; 489 reg = <0x54000000 0x200>; 490 interrupts = <4>; 491 clocks = <&sysclk K210_CLK_SPI3>, 492 <&sysclk K210_CLK_APB2>; 493 clock-names = "ssi_clk", "pclk"; 494 resets = <&sysrst K210_RST_SPI3>; 495 reset-names = "spi"; 496 497 num-cs = <4>; 498 reg-io-width = <4>; 499 }; 500 }; 501 }; 502 };
Cache object: 4fdbba6c1d068109fd9ebf209ed2538e
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