arch/riscv/dts/k210.dtsi

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
   4  */
   5
   6 #include <dt-bindings/clock/k210-sysctl.h>
   7 #include <dt-bindings/mfd/k210-sysctl.h>
   8 #include <dt-bindings/pinctrl/k210-pinctrl.h>
   9 #include <dt-bindings/reset/k210-sysctl.h>
  10
  11 / {
  12         /*
  13          * Although the K210 is a 64-bit CPU, the address bus is only 32-bits
  14          * wide, and the upper half of all addresses is ignored.
  15          */
  16         #address-cells = <1>;
  17         #size-cells = <1>;
  18         compatible = "kendryte,k210";
  19
  20         aliases {
  21                 cpu0 = &cpu0;
  22                 cpu1 = &cpu1;
  23                 dma0 = &dmac0;
  24                 gpio0 = &gpio0;
  25                 gpio1 = &gpio1_0;
  26                 i2c0 = &i2c0;
  27                 i2c1 = &i2c1;
  28                 i2c2 = &i2c2;
  29                 pinctrl0 = &fpioa;
  30                 serial0 = &uarths0;
  31                 serial1 = &uart1;
  32                 serial2 = &uart2;
  33                 serial3 = &uart3;
  34                 spi0 = &spi0;
  35                 spi1 = &spi1;
  36                 spi2 = &spi2;
  37                 spi3 = &spi3;
  38                 timer0 = &timer0;
  39                 timer1 = &timer1;
  40                 timer2 = &timer2;
  41         };
  42
  43         cpus {
  44                 #address-cells = <1>;
  45                 #size-cells = <0>;
  46                 timebase-frequency = <7800000>;
  47                 cpu0: cpu@0 {
  48                         device_type = "cpu";
  49                         compatible = "kendryte,k210", "sifive,rocket0", "riscv";
  50                         reg = <0>;
  51                         riscv,isa = "rv64imafdgc";
  52                         mmu-type = "sv39";
  53                         i-cache-block-size = <64>;
  54                         i-cache-size = <0x8000>;
  55                         d-cache-block-size = <64>;
  56                         d-cache-size = <0x8000>;
  57                         clocks = <&sysclk K210_CLK_CPU>;
  58                         cpu0_intc: interrupt-controller {
  59                                 #interrupt-cells = <1>;
  60                                 interrupt-controller;
  61                                 compatible = "riscv,cpu-intc";
  62                         };
  63                 };
  64                 cpu1: cpu@1 {
  65                         device_type = "cpu";
  66                         compatible = "kendryte,k210", "sifive,rocket0", "riscv";
  67                         reg = <1>;
  68                         riscv,isa = "rv64imafdgc";
  69                         mmu-type = "sv39";
  70                         i-cache-block-size = <64>;
  71                         i-cache-size = <0x8000>;
  72                         d-cache-block-size = <64>;
  73                         d-cache-size = <0x8000>;
  74                         clocks = <&sysclk K210_CLK_CPU>;
  75                         cpu1_intc: interrupt-controller {
  76                                 #interrupt-cells = <1>;
  77                                 interrupt-controller;
  78                                 compatible = "riscv,cpu-intc";
  79                         };
  80                 };
  81         };
  82
  83         sram: memory@80000000 {
  84                 device_type = "memory";
  85                 compatible = "kendryte,k210-sram";
  86                 reg = <0x80000000 0x400000>,
  87                       <0x80400000 0x200000>,
  88                       <0x80600000 0x200000>;
  89                 reg-names = "sram0", "sram1", "airam";
  90                 clocks = <&sysclk K210_CLK_SRAM0>,
  91                          <&sysclk K210_CLK_SRAM1>,
  92                          <&sysclk K210_CLK_PLL1>;
  93                 clock-names = "sram0", "sram1", "airam";
  94         };
  95
  96         reserved-memory {
  97                 #address-cells = <1>;
  98                 #size-cells = <1>;
  99                 ranges;
 100
 101                 ai_reserved: ai@80600000 {
 102                         reg = <0x80600000 0x200000>;
 103                         reusable;
 104                 };
 105         };
 106
 107         clocks {
 108                 in0: osc {
 109                         compatible = "fixed-clock";
 110                         #clock-cells = <0>;
 111                         clock-frequency = <26000000>;
 112                 };
 113         };
 114
 115         soc {
 116                 #address-cells = <1>;
 117                 #size-cells = <1>;
 118                 compatible = "kendryte,k210-soc", "simple-bus";
 119                 ranges;
 120                 interrupt-parent = <&plic0>;
 121
 122                 debug0: debug@0 {
 123                         compatible = "kendryte,k210-debug", "riscv,debug";
 124                         reg = <0x0 0x1000>;
 125                 };
 126
 127                 rom0: nvmem@1000 {
 128                         reg = <0x1000 0x1000>;
 129                         read-only;
 130                 };
 131
 132                 clint0: clint@2000000 {
 133                         #interrupt-cells = <1>;
 134                         compatible = "kendryte,k210-clint", "riscv,clint0";
 135                         reg = <0x2000000 0xC000>;
 136                         interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>,
 137                                               <&cpu1_intc 3>, <&cpu1_intc 7>;
 138                         clocks = <&sysclk K210_CLK_CLINT>;
 139                 };
 140
 141                 plic0: interrupt-controller@C000000 {
 142                         #interrupt-cells = <1>;
 143                         compatible = "kendryte,k210-plic", "riscv,plic0";
 144                         reg = <0xC000000 0x4000000>;
 145                         interrupt-controller;
 146                         interrupts-extended = <&cpu0_intc 9>, <&cpu0_intc 11>,
 147                                               <&cpu1_intc 9>, <&cpu1_intc 11>;
 148                         riscv,ndev = <65>;
 149                         riscv,max-priority = <7>;
 150                 };
 151
 152                 uarths0: serial@38000000 {
 153                         compatible = "kendryte,k210-uarths", "sifive,uart0";
 154                         reg = <0x38000000 0x1000>;
 155                         interrupts = <33>;
 156                         clocks = <&sysclk K210_CLK_CPU>;
 157                         status = "disabled";
 158                 };
 159
 160                 gpio0: gpio-controller@38001000 {
 161                         #interrupt-cells = <2>;
 162                         #gpio-cells = <2>;
 163                         compatible = "kendryte,k210-gpiohs", "sifive,gpio0";
 164                         reg = <0x38001000 0x1000>;
 165                         interrupt-controller;
 166                         interrupts = <34 35 36 37 38 39 40 41
 167                                       42 43 44 45 46 47 48 49
 168                                       50 51 52 53 54 55 56 57
 169                                       58 59 60 61 62 63 64 65>;
 170                         gpio-controller;
 171                         ngpios = <32>;
 172                         status = "disabled";
 173                 };
 174
 175                 kpu0: kpu@40800000 {
 176                         compatible = "kendryte,k210-kpu";
 177                         reg = <0x40800000 0xc00000>;
 178                         interrupts = <25>;
 179                         clocks = <&sysclk K210_CLK_AI>;
 180                         memory-region = <&ai_reserved>;
 181                         status = "disabled";
 182                 };
 183
 184                 fft0: fft@42000000 {
 185                         compatible = "kendryte,k210-fft";
 186                         reg = <0x42000000 0x400000>;
 187                         interrupts = <26>;
 188                         clocks = <&sysclk K210_CLK_FFT>;
 189                         resets = <&sysrst K210_RST_FFT>;
 190                         status = "disabled";
 191                 };
 192
 193                 dmac0: dma-controller@50000000 {
 194                         compatible = "kendryte,k210-dmac", "snps,axi-dma-1.01a";
 195                         reg = <0x50000000 0x1000>;
 196                         interrupts = <27 28 29 30 31 32>;
 197                         clocks = <&sysclk K210_CLK_DMA>, <&sysclk K210_CLK_DMA>;
 198                         clock-names = "core-clk", "cfgr-clk";
 199                         resets = <&sysrst K210_RST_DMA>;
 200                         dma-channels = <6>;
 201                         snps,dma-masters = <2>;
 202                         snps,data-width = <5>;
 203                         snps,block-size = <0x400000 0x400000 0x400000
 204                                            0x400000 0x400000 0x400000>;
 205                         snps,axi-max-burst-len = <256>;
 206                         status = "disabled";
 207                 };
 208
 209                 apb0: bus@50200000 {
 210                         #address-cells = <1>;
 211                         #size-cells = <1>;
 212                         compatible = "kendryte,k210-apb", "simple-pm-bus";
 213                         ranges;
 214                         clocks = <&sysclk K210_CLK_APB0>;
 215
 216                         gpio1: gpio-controller@50200000 {
 217                                 #address-cells = <1>;
 218                                 #size-cells = <0>;
 219                                 compatible = "kendryte,k210-gpio",
 220                                              "snps,dw-apb-gpio";
 221                                 reg = <0x50200000 0x80>;
 222                                 clocks = <&sysclk K210_CLK_GPIO>;
 223                                 resets = <&sysrst K210_RST_GPIO>;
 224                                 status = "disabled";
 225
 226                                 gpio1_0: gpio1@0 {
 227                                         #gpio-cells = <2>;
 228                                         #interrupt-cells = <2>;
 229                                         compatible = "snps,dw-apb-gpio-port";
 230                                         reg = <0>;
 231                                         interrupt-controller;
 232                                         interrupts = <23>;
 233                                         gpio-controller;
 234                                         snps,nr-gpios = <8>;
 235                                 };
 236                         };
 237
 238                         uart1: serial@50210000 {
 239                                 compatible = "kendryte,k210-uart",
 240                                              "snps,dw-apb-uart";
 241                                 reg = <0x50210000 0x100>;
 242                                 interrupts = <11>;
 243                                 clocks = <&sysclk K210_CLK_UART1>;
 244                                 resets = <&sysrst K210_RST_UART1>;
 245                                 reg-io-width = <4>;
 246                                 reg-shift = <2>;
 247                                 dcd-override;
 248                                 dsr-override;
 249                                 cts-override;
 250                                 ri-override;
 251                                 status = "disabled";
 252                         };
 253
 254                         uart2: serial@50220000 {
 255                                 compatible = "kendryte,k210-uart",
 256                                              "snps,dw-apb-uart";
 257                                 reg = <0x50220000 0x100>;
 258                                 interrupts = <12>;
 259                                 clocks = <&sysclk K210_CLK_UART2>;
 260                                 resets = <&sysrst K210_RST_UART2>;
 261                                 reg-io-width = <4>;
 262                                 reg-shift = <2>;
 263                                 dcd-override;
 264                                 dsr-override;
 265                                 cts-override;
 266                                 ri-override;
 267                                 status = "disabled";
 268                         };
 269
 270                         uart3: serial@50230000 {
 271                                 compatible = "kendryte,k210-uart",
 272                                              "snps,dw-apb-uart";
 273                                 reg = <0x50230000 0x100>;
 274                                 interrupts = <13>;
 275                                 clocks = <&sysclk K210_CLK_UART3>;
 276                                 resets = <&sysrst K210_RST_UART3>;
 277                                 reg-io-width = <4>;
 278                                 reg-shift = <2>;
 279                                 dcd-override;
 280                                 dsr-override;
 281                                 cts-override;
 282                                 ri-override;
 283                                 status = "disabled";
 284                         };
 285
 286                         spi2: spi@50240000 {
 287                                 compatible = "kendryte,k120-spislave",
 288                                              "snps,dw-apb-ssi";
 289                                 spi-slave;
 290                                 reg = <0x50240000 0x100>;
 291                                 interrupts = <2>;
 292                                 clocks = <&sysclk K210_CLK_SPI2>;
 293                                 resets = <&sysrst K210_RST_SPI2>;
 294                                 spi-max-frequency = <25000000>;
 295                                 status = "disabled";
 296                         };
 297
 298                         i2s0: i2s@50250000 {
 299                                 compatible = "kendryte,k210-i2s",
 300                                              "snps,designware-i2s";
 301                                 reg = <0x50250000 0x200>;
 302                                 interrupts = <5>;
 303                                 clocks = <&sysclk K210_CLK_I2S0>;
 304                                 clock-names = "i2sclk";
 305                                 resets = <&sysrst K210_RST_I2S0>;
 306                                 status = "disabled";
 307                         };
 308
 309                         apu0: sound@520250200 {
 310                                 compatible = "kendryte,k210-apu";
 311                                 reg = <0x50250200 0x200>;
 312                                 status = "disabled";
 313                         };
 314
 315                         i2s1: i2s@50260000 {
 316                                 compatible = "kendryte,k210-i2s",
 317                                              "snps,designware-i2s";
 318                                 reg = <0x50260000 0x200>;
 319                                 interrupts = <6>;
 320                                 clocks = <&sysclk K210_CLK_I2S1>;
 321                                 clock-names = "i2sclk";
 322                                 resets = <&sysrst K210_RST_I2S1>;
 323                                 status = "disabled";
 324                         };
 325
 326                         i2s2: i2s@50270000 {
 327                                 compatible = "kendryte,k210-i2s",
 328                                              "snps,designware-i2s";
 329                                 reg = <0x50270000 0x200>;
 330                                 interrupts = <7>;
 331                                 clocks = <&sysclk K210_CLK_I2S2>;
 332                                 clock-names = "i2sclk";
 333                                 resets = <&sysrst K210_RST_I2S2>;
 334                                 status = "disabled";
 335                         };
 336
 337                         i2c0: i2c@50280000 {
 338                                 compatible = "kendryte,k210-i2c",
 339                                              "snps,designware-i2c";
 340                                 reg = <0x50280000 0x100>;
 341                                 interrupts = <8>;
 342                                 clocks = <&sysclk K210_CLK_I2C0>;
 343                                 resets = <&sysrst K210_RST_I2C0>;
 344                                 status = "disabled";
 345                         };
 346
 347                         i2c1: i2c@50290000 {
 348                                 compatible = "kendryte,k210-i2c",
 349                                              "snps,designware-i2c";
 350                                 reg = <0x50290000 0x100>;
 351                                 interrupts = <9>;
 352                                 clocks = <&sysclk K210_CLK_I2C1>;
 353                                 resets = <&sysrst K210_RST_I2C1>;
 354                                 status = "disabled";
 355                         };
 356
 357                         i2c2: i2c@502A0000 {
 358                                 compatible = "kendryte,k210-i2c",
 359                                              "snps,designware-i2c";
 360                                 reg = <0x502A0000 0x100>;
 361                                 interrupts = <10>;
 362                                 clocks = <&sysclk K210_CLK_I2C2>;
 363                                 resets = <&sysrst K210_RST_I2C2>;
 364                                 status = "disabled";
 365                         };
 366
 367                         fpioa: pinmux@502B0000 {
 368                                 compatible = "kendryte,k210-fpioa";
 369                                 reg = <0x502B0000 0x100>;
 370                                 clocks = <&sysclk K210_CLK_FPIOA>;
 371                                 resets = <&sysrst K210_RST_FPIOA>;
 372                                 kendryte,sysctl = <&sysctl>;
 373                                 kendryte,power-offset = <K210_SYSCTL_POWER_SEL>;
 374                                 pinctrl-0 = <&fpioa_jtag>;
 375                                 pinctrl-names = "default";
 376                                 status = "disabled";
 377
 378                                 fpioa_jtag: jtag {
 379                                         pinmux = <K210_FPIOA(0, K210_PCF_JTAG_TCLK)>,
 380                                                  <K210_FPIOA(1, K210_PCF_JTAG_TDI)>,
 381                                                  <K210_FPIOA(2, K210_PCF_JTAG_TMS)>,
 382                                                  <K210_FPIOA(3, K210_PCF_JTAG_TDO)>;
 383                                 };
 384                         };
 385
 386                         sha256: sha256@502C0000 {
 387                                 compatible = "kendryte,k210-sha256";
 388                                 reg = <0x502C0000 0x100>;
 389                                 clocks = <&sysclk K210_CLK_SHA>;
 390                                 resets = <&sysrst K210_RST_SHA>;
 391                                 status = "disabled";
 392                         };
 393
 394                         timer0: timer@502D0000 {
 395                                 compatible = "kendryte,k210-timer",
 396                                              "snps,dw-apb-timer";
 397                                 reg = <0x502D0000 0x100>;
 398                                 interrupts = <14 15>;
 399                                 clocks = <&sysclk K210_CLK_TIMER0>;
 400                                 clock-names = "timer";
 401                                 resets = <&sysrst K210_RST_TIMER0>;
 402                                 status = "disabled";
 403                         };
 404
 405                         timer1: timer@502E0000 {
 406                                 compatible = "kendryte,k210-timer",
 407                                              "snps,dw-apb-timer";
 408                                 reg = <0x502E0000 0x100>;
 409                                 interrupts = <16 17>;
 410                                 clocks = <&sysclk K210_CLK_TIMER1>;
 411                                 clock-names = "timer";
 412                                 resets = <&sysrst K210_RST_TIMER1>;
 413                                 status = "disabled";
 414                         };
 415
 416                         timer2: timer@502F0000 {
 417                                 compatible = "kendryte,k210-timer",
 418                                              "snps,dw-apb-timer";
 419                                 reg = <0x502F0000 0x100>;
 420                                 interrupts = <18 19>;
 421                                 clocks = <&sysclk K210_CLK_TIMER2>;
 422                                 clock-names = "timer";
 423                                 resets = <&sysrst K210_RST_TIMER2>;
 424                                 status = "disabled";
 425                         };
 426                 };
 427
 428                 apb1: bus@50400000 {
 429                         #address-cells = <1>;
 430                         #size-cells = <1>;
 431                         compatible = "kendryte,k210-apb", "simple-pm-bus";
 432                         ranges;
 433                         clocks = <&sysclk K210_CLK_APB1>;
 434
 435                         wdt0: watchdog@50400000 {
 436                                 compatible = "kendryte,k210-wdt", "snps,dw-wdt";
 437                                 reg = <0x50400000 0x100>;
 438                                 interrupts = <21>;
 439                                 clocks = <&sysclk K210_CLK_WDT0>;
 440                                 resets = <&sysrst K210_RST_WDT0>;
 441                                 status = "disabled";
 442                         };
 443
 444                         wdt1: watchdog@50410000 {
 445                                 compatible = "kendryte,k210-wdt", "snps,dw-wdt";
 446                                 reg = <0x50410000 0x100>;
 447                                 interrupts = <22>;
 448                                 clocks = <&sysclk K210_CLK_WDT1>;
 449                                 resets = <&sysrst K210_RST_WDT1>;
 450                                 status = "disabled";
 451                         };
 452
 453                         otp0: nvmem@50420000 {
 454                                 #address-cells = <1>;
 455                                 #size-cells = <1>;
 456                                 compatible = "kendryte,k210-otp";
 457                                 reg = <0x50420000 0x100>,
 458                                       <0x88000000 0x20000>;
 459                                 reg-names = "reg", "mem";
 460                                 clocks = <&sysclk K210_CLK_ROM>;
 461                                 resets = <&sysrst K210_RST_ROM>;
 462                                 read-only;
 463                                 status = "disabled";
 464
 465                                 /* Bootloader */
 466                                 firmware@00000 {
 467                                         reg = <0x00000 0xC200>;
 468                                 };
 469
 470                                 /*
 471                                  * config string as described in RISC-V
 472                                  * privileged spec 1.9
 473                                  */
 474                                 config-1-9@1c000 {
 475                                         reg = <0x1C000 0x1000>;
 476                                 };
 477
 478                                 /*
 479                                  * Device tree containing only registers,
 480                                  * interrupts, and cpus
 481                                  */
 482                                 fdt@1d000 {
 483                                         reg = <0x1D000 0x2000>;
 484                                 };
 485
 486                                 /* CPU/ROM credits */
 487                                 credits@1f000 {
 488                                         reg = <0x1F000 0x1000>;
 489                                 };
 490                         };
 491
 492                         dvp0: camera@50430000 {
 493                                 compatible = "kendryte,k210-dvp";
 494                                 reg = <0x50430000 0x100>;
 495                                 interrupts = <24>;
 496                                 clocks = <&sysclk K210_CLK_DVP>;
 497                                 resets = <&sysrst K210_RST_DVP>;
 498                                 status = "disabled";
 499                         };
 500
 501                         sysctl: syscon@50440000 {
 502                                 compatible = "kendryte,k210-sysctl",
 503                                              "syscon", "simple-mfd";
 504                                 reg = <0x50440000 0x100>;
 505                                 reg-io-width = <4>;
 506
 507                                 sysclk: clock-controller {
 508                                         #clock-cells = <1>;
 509                                         compatible = "kendryte,k210-clk";
 510                                         clocks = <&in0>;
 511                                 };
 512
 513                                 sysrst: reset-controller {
 514                                         compatible = "kendryte,k210-rst",
 515                                                      "syscon-reset";
 516                                         #reset-cells = <1>;
 517                                         regmap = <&sysctl>;
 518                                         offset = <K210_SYSCTL_PERI_RESET>;
 519                                         mask = <0x27FFFFFF>;
 520                                         assert-high = <1>;
 521                                 };
 522
 523                                 reboot {
 524                                         compatible = "syscon-reboot";
 525                                         regmap = <&sysctl>;
 526                                         offset = <K210_SYSCTL_SOFT_RESET>;
 527                                         mask = <1>;
 528                                         value = <1>;
 529                                 };
 530                         };
 531
 532                         aes0: aes@50450000 {
 533                                 compatible = "kendryte,k210-aes";
 534                                 reg = <0x50450000 0x100>;
 535                                 clocks = <&sysclk K210_CLK_AES>;
 536                                 resets = <&sysrst K210_RST_AES>;
 537                                 status = "disabled";
 538                         };
 539
 540                         rtc: rtc@50460000 {
 541                                 compatible = "kendryte,k210-rtc";
 542                                 reg = <0x50460000 0x100>;
 543                                 clocks = <&in0>;
 544                                 resets = <&sysrst K210_RST_RTC>;
 545                                 interrupts = <20>;
 546                                 status = "disabled";
 547                         };
 548                 };
 549
 550                 apb2: bus@52000000 {
 551                         #address-cells = <1>;
 552                         #size-cells = <1>;
 553                         compatible = "kendryte,k210-apb", "simple-pm-bus";
 554                         ranges;
 555                         clocks = <&sysclk K210_CLK_APB2>;
 556
 557                         spi0: spi@52000000 {
 558                                 #address-cells = <1>;
 559                                 #size-cells = <0>;
 560                                 compatible = "kendryte,k210-spi",
 561                                              "snps,dw-apb-ssi";
 562                                 reg = <0x52000000 0x100>;
 563                                 interrupts = <1>;
 564                                 clocks = <&sysclk K210_CLK_SPI0>;
 565                                 clock-names = "ssi_clk";
 566                                 resets = <&sysrst K210_RST_SPI0>;
 567                                 spi-max-frequency = <25000000>;
 568                                 num-cs = <4>;
 569                                 reg-io-width = <4>;
 570                                 status = "disabled";
 571                         };
 572
 573                         spi1: spi@53000000 {
 574                                 #address-cells = <1>;
 575                                 #size-cells = <0>;
 576                                 compatible = "kendryte,k210-spi",
 577                                              "snps,dw-apb-ssi";
 578                                 reg = <0x53000000 0x100>;
 579                                 interrupts = <2>;
 580                                 clocks = <&sysclk K210_CLK_SPI1>;
 581                                 clock-names = "ssi_clk";
 582                                 resets = <&sysrst K210_RST_SPI1>;
 583                                 spi-max-frequency = <25000000>;
 584                                 num-cs = <4>;
 585                                 reg-io-width = <4>;
 586                                 status = "disabled";
 587                         };
 588
 589                         spi3: spi@54000000 {
 590                                 #address-cells = <1>;
 591                                 #size-cells = <0>;
 592                                 compatible = "kendryte,k210-spi",
 593                                              "snps,dw-apb-ssi";
 594                                 reg = <0x54000000 0x200>;
 595                                 interrupts = <4>;
 596                                 clocks = <&sysclk K210_CLK_SPI3>;
 597                                 clock-names = "ssi_clk";
 598                                 resets = <&sysrst K210_RST_SPI3>;
 599                                 /* Could possibly go up to 200 MHz */
 600                                 spi-max-frequency = <100000000>;
 601                                 num-cs = <4>;
 602                                 reg-io-width = <4>;
 603                                 status = "disabled";
 604                         };
 605                 };
 606         };
 607 };