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", "aisram";
  90                 clocks = <&sysclk K210_CLK_SRAM0>,
  91                          <&sysclk K210_CLK_SRAM1>,
  92                          <&sysclk K210_CLK_AI>;
  93                 clock-names = "sram0", "sram1", "aisram";
  94                 u-boot,dm-pre-reloc;
  95         };
  96
  97         clocks {
  98                 in0: osc {
  99                         compatible = "fixed-clock";
 100                         #clock-cells = <0>;
 101                         clock-frequency = <26000000>;
 102                         u-boot,dm-pre-reloc;
 103                 };
 104         };
 105
 106         soc {
 107                 #address-cells = <1>;
 108                 #size-cells = <1>;
 109                 compatible = "kendryte,k210-soc", "simple-bus";
 110                 ranges;
 111                 interrupt-parent = <&plic0>;
 112
 113                 debug0: debug@0 {
 114                         compatible = "kendryte,k210-debug", "riscv,debug";
 115                         reg = <0x0 0x1000>;
 116                 };
 117
 118                 rom0: nvmem@1000 {
 119                         reg = <0x1000 0x1000>;
 120                         read-only;
 121                 };
 122
 123                 clint0: clint@2000000 {
 124                         #interrupt-cells = <1>;
 125                         compatible = "kendryte,k210-clint", "riscv,clint0";
 126                         reg = <0x2000000 0xC000>;
 127                         interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>,
 128                                               <&cpu1_intc 3>, <&cpu1_intc 7>;
 129                         clocks = <&sysclk K210_CLK_CLINT>;
 130                 };
 131
 132                 plic0: interrupt-controller@C000000 {
 133                         #interrupt-cells = <1>;
 134                         compatible = "kendryte,k210-plic", "riscv,plic0";
 135                         reg = <0xC000000 0x4000000>;
 136                         interrupt-controller;
 137                         interrupts-extended = <&cpu0_intc 9>, <&cpu0_intc 11>,
 138                                               <&cpu1_intc 9>, <&cpu1_intc 11>;
 139                         riscv,ndev = <65>;
 140                         riscv,max-priority = <7>;
 141                 };
 142
 143                 uarths0: serial@38000000 {
 144                         compatible = "kendryte,k210-uarths", "sifive,uart0";
 145                         reg = <0x38000000 0x1000>;
 146                         interrupts = <33>;
 147                         clocks = <&sysclk K210_CLK_CPU>;
 148                         status = "disabled";
 149                 };
 150
 151                 gpio0: gpio-controller@38001000 {
 152                         #interrupt-cells = <2>;
 153                         #gpio-cells = <2>;
 154                         compatible = "kendryte,k210-gpiohs", "sifive,gpio0";
 155                         reg = <0x38001000 0x1000>;
 156                         interrupt-controller;
 157                         interrupts = <34 35 36 37 38 39 40 41
 158                                       42 43 44 45 46 47 48 49
 159                                       50 51 52 53 54 55 56 57
 160                                       58 59 60 61 62 63 64 65>;
 161                         gpio-controller;
 162                         ngpios = <32>;
 163                         status = "disabled";
 164                 };
 165
 166                 kpu0: kpu@40800000 {
 167                         compatible = "kendryte,k210-kpu";
 168                         reg = <0x40800000 0xc00000>;
 169                         interrupts = <25>;
 170                         clocks = <&sysclk K210_CLK_AI>;
 171                         status = "disabled";
 172                 };
 173
 174                 fft0: fft@42000000 {
 175                         compatible = "kendryte,k210-fft";
 176                         reg = <0x42000000 0x400000>;
 177                         interrupts = <26>;
 178                         clocks = <&sysclk K210_CLK_FFT>;
 179                         resets = <&sysrst K210_RST_FFT>;
 180                         status = "disabled";
 181                 };
 182
 183                 dmac0: dma-controller@50000000 {
 184                         compatible = "kendryte,k210-dmac", "snps,axi-dma-1.01a";
 185                         reg = <0x50000000 0x1000>;
 186                         interrupts = <27 28 29 30 31 32>;
 187                         clocks = <&sysclk K210_CLK_DMA>, <&sysclk K210_CLK_DMA>;
 188                         clock-names = "core-clk", "cfgr-clk";
 189                         resets = <&sysrst K210_RST_DMA>;
 190                         dma-channels = <6>;
 191                         snps,dma-masters = <2>;
 192                         snps,data-width = <5>;
 193                         snps,block-size = <0x200000 0x200000 0x200000
 194                                            0x200000 0x200000 0x200000>;
 195                         snps,axi-max-burst-len = <256>;
 196                         status = "disabled";
 197                 };
 198
 199                 apb0: bus@50200000 {
 200                         #address-cells = <1>;
 201                         #size-cells = <1>;
 202                         compatible = "kendryte,k210-apb", "simple-pm-bus";
 203                         ranges;
 204                         clocks = <&sysclk K210_CLK_APB0>;
 205
 206                         gpio1: gpio-controller@50200000 {
 207                                 #address-cells = <1>;
 208                                 #size-cells = <0>;
 209                                 compatible = "kendryte,k210-gpio",
 210                                              "snps,dw-apb-gpio";
 211                                 reg = <0x50200000 0x80>;
 212                                 clocks = <&sysclk K210_CLK_GPIO>;
 213                                 resets = <&sysrst K210_RST_GPIO>;
 214                                 status = "disabled";
 215
 216                                 gpio1_0: gpio1@0 {
 217                                         #gpio-cells = <2>;
 218                                         #interrupt-cells = <2>;
 219                                         compatible = "snps,dw-apb-gpio-port";
 220                                         reg = <0>;
 221                                         interrupt-controller;
 222                                         interrupts = <23>;
 223                                         gpio-controller;
 224                                         snps,nr-gpios = <8>;
 225                                 };
 226                         };
 227
 228                         uart1: serial@50210000 {
 229                                 compatible = "kendryte,k210-uart",
 230                                              "snps,dw-apb-uart";
 231                                 reg = <0x50210000 0x100>;
 232                                 interrupts = <11>;
 233                                 clocks = <&sysclk K210_CLK_UART1>;
 234                                 resets = <&sysrst K210_RST_UART1>;
 235                                 reg-io-width = <4>;
 236                                 reg-shift = <2>;
 237                                 dcd-override;
 238                                 dsr-override;
 239                                 cts-override;
 240                                 ri-override;
 241                                 status = "disabled";
 242                         };
 243
 244                         uart2: serial@50220000 {
 245                                 compatible = "kendryte,k210-uart",
 246                                              "snps,dw-apb-uart";
 247                                 reg = <0x50220000 0x100>;
 248                                 interrupts = <12>;
 249                                 clocks = <&sysclk K210_CLK_UART2>;
 250                                 resets = <&sysrst K210_RST_UART2>;
 251                                 reg-io-width = <4>;
 252                                 reg-shift = <2>;
 253                                 dcd-override;
 254                                 dsr-override;
 255                                 cts-override;
 256                                 ri-override;
 257                                 status = "disabled";
 258                         };
 259
 260                         uart3: serial@50230000 {
 261                                 compatible = "kendryte,k210-uart",
 262                                              "snps,dw-apb-uart";
 263                                 reg = <0x50230000 0x100>;
 264                                 interrupts = <13>;
 265                                 clocks = <&sysclk K210_CLK_UART3>;
 266                                 resets = <&sysrst K210_RST_UART3>;
 267                                 reg-io-width = <4>;
 268                                 reg-shift = <2>;
 269                                 dcd-override;
 270                                 dsr-override;
 271                                 cts-override;
 272                                 ri-override;
 273                                 status = "disabled";
 274                         };
 275
 276                         spi2: spi@50240000 {
 277                                 compatible = "canaan,kendryte-k210-spi",
 278                                              "snps,dw-apb-ssi-4.01",
 279                                              "snps,dw-apb-ssi";
 280                                 spi-slave;
 281                                 reg = <0x50240000 0x100>;
 282                                 interrupts = <2>;
 283                                 clocks = <&sysclk K210_CLK_SPI2>;
 284                                 resets = <&sysrst K210_RST_SPI2>;
 285                                 spi-max-frequency = <25000000>;
 286                                 status = "disabled";
 287                         };
 288
 289                         i2s0: i2s@50250000 {
 290                                 compatible = "kendryte,k210-i2s",
 291                                              "snps,designware-i2s";
 292                                 reg = <0x50250000 0x200>;
 293                                 interrupts = <5>;
 294                                 clocks = <&sysclk K210_CLK_I2S0>;
 295                                 clock-names = "i2sclk";
 296                                 resets = <&sysrst K210_RST_I2S0>;
 297                                 status = "disabled";
 298                         };
 299
 300                         apu0: sound@520250200 {
 301                                 compatible = "kendryte,k210-apu";
 302                                 reg = <0x50250200 0x200>;
 303                                 status = "disabled";
 304                         };
 305
 306                         i2s1: i2s@50260000 {
 307                                 compatible = "kendryte,k210-i2s",
 308                                              "snps,designware-i2s";
 309                                 reg = <0x50260000 0x200>;
 310                                 interrupts = <6>;
 311                                 clocks = <&sysclk K210_CLK_I2S1>;
 312                                 clock-names = "i2sclk";
 313                                 resets = <&sysrst K210_RST_I2S1>;
 314                                 status = "disabled";
 315                         };
 316
 317                         i2s2: i2s@50270000 {
 318                                 compatible = "kendryte,k210-i2s",
 319                                              "snps,designware-i2s";
 320                                 reg = <0x50270000 0x200>;
 321                                 interrupts = <7>;
 322                                 clocks = <&sysclk K210_CLK_I2S2>;
 323                                 clock-names = "i2sclk";
 324                                 resets = <&sysrst K210_RST_I2S2>;
 325                                 status = "disabled";
 326                         };
 327
 328                         i2c0: i2c@50280000 {
 329                                 compatible = "kendryte,k210-i2c",
 330                                              "snps,designware-i2c";
 331                                 reg = <0x50280000 0x100>;
 332                                 interrupts = <8>;
 333                                 clocks = <&sysclk K210_CLK_I2C0>;
 334                                 resets = <&sysrst K210_RST_I2C0>;
 335                                 status = "disabled";
 336                         };
 337
 338                         i2c1: i2c@50290000 {
 339                                 compatible = "kendryte,k210-i2c",
 340                                              "snps,designware-i2c";
 341                                 reg = <0x50290000 0x100>;
 342                                 interrupts = <9>;
 343                                 clocks = <&sysclk K210_CLK_I2C1>;
 344                                 resets = <&sysrst K210_RST_I2C1>;
 345                                 status = "disabled";
 346                         };
 347
 348                         i2c2: i2c@502A0000 {
 349                                 compatible = "kendryte,k210-i2c",
 350                                              "snps,designware-i2c";
 351                                 reg = <0x502A0000 0x100>;
 352                                 interrupts = <10>;
 353                                 clocks = <&sysclk K210_CLK_I2C2>;
 354                                 resets = <&sysrst K210_RST_I2C2>;
 355                                 status = "disabled";
 356                         };
 357
 358                         fpioa: pinmux@502B0000 {
 359                                 compatible = "kendryte,k210-fpioa";
 360                                 reg = <0x502B0000 0x100>;
 361                                 clocks = <&sysclk K210_CLK_FPIOA>;
 362                                 resets = <&sysrst K210_RST_FPIOA>;
 363                                 kendryte,sysctl = <&sysctl>;
 364                                 kendryte,power-offset = <K210_SYSCTL_POWER_SEL>;
 365                                 pinctrl-0 = <&fpioa_jtag>;
 366                                 pinctrl-names = "default";
 367                                 status = "disabled";
 368
 369                                 fpioa_jtag: jtag {
 370                                         pinmux = <K210_FPIOA(0, K210_PCF_JTAG_TCLK)>,
 371                                                  <K210_FPIOA(1, K210_PCF_JTAG_TDI)>,
 372                                                  <K210_FPIOA(2, K210_PCF_JTAG_TMS)>,
 373                                                  <K210_FPIOA(3, K210_PCF_JTAG_TDO)>;
 374                                 };
 375                         };
 376
 377                         sha256: sha256@502C0000 {
 378                                 compatible = "kendryte,k210-sha256";
 379                                 reg = <0x502C0000 0x100>;
 380                                 clocks = <&sysclk K210_CLK_SHA>;
 381                                 resets = <&sysrst K210_RST_SHA>;
 382                                 status = "disabled";
 383                         };
 384
 385                         timer0: timer@502D0000 {
 386                                 compatible = "kendryte,k210-timer",
 387                                              "snps,dw-apb-timer";
 388                                 reg = <0x502D0000 0x100>;
 389                                 interrupts = <14 15>;
 390                                 clocks = <&sysclk K210_CLK_TIMER0>;
 391                                 clock-names = "timer";
 392                                 resets = <&sysrst K210_RST_TIMER0>;
 393                                 status = "disabled";
 394                         };
 395
 396                         timer1: timer@502E0000 {
 397                                 compatible = "kendryte,k210-timer",
 398                                              "snps,dw-apb-timer";
 399                                 reg = <0x502E0000 0x100>;
 400                                 interrupts = <16 17>;
 401                                 clocks = <&sysclk K210_CLK_TIMER1>;
 402                                 clock-names = "timer";
 403                                 resets = <&sysrst K210_RST_TIMER1>;
 404                                 status = "disabled";
 405                         };
 406
 407                         timer2: timer@502F0000 {
 408                                 compatible = "kendryte,k210-timer",
 409                                              "snps,dw-apb-timer";
 410                                 reg = <0x502F0000 0x100>;
 411                                 interrupts = <18 19>;
 412                                 clocks = <&sysclk K210_CLK_TIMER2>;
 413                                 clock-names = "timer";
 414                                 resets = <&sysrst K210_RST_TIMER2>;
 415                                 status = "disabled";
 416                         };
 417                 };
 418
 419                 apb1: bus@50400000 {
 420                         #address-cells = <1>;
 421                         #size-cells = <1>;
 422                         compatible = "kendryte,k210-apb", "simple-pm-bus";
 423                         ranges;
 424                         clocks = <&sysclk K210_CLK_APB1>;
 425
 426                         wdt0: watchdog@50400000 {
 427                                 compatible = "kendryte,k210-wdt", "snps,dw-wdt";
 428                                 reg = <0x50400000 0x100>;
 429                                 interrupts = <21>;
 430                                 clocks = <&sysclk K210_CLK_WDT0>;
 431                                 resets = <&sysrst K210_RST_WDT0>;
 432                         };
 433
 434                         wdt1: watchdog@50410000 {
 435                                 compatible = "kendryte,k210-wdt", "snps,dw-wdt";
 436                                 reg = <0x50410000 0x100>;
 437                                 interrupts = <22>;
 438                                 clocks = <&sysclk K210_CLK_WDT1>;
 439                                 resets = <&sysrst K210_RST_WDT1>;
 440                                 status = "disabled";
 441                         };
 442
 443                         otp0: nvmem@50420000 {
 444                                 #address-cells = <1>;
 445                                 #size-cells = <1>;
 446                                 compatible = "kendryte,k210-otp";
 447                                 reg = <0x50420000 0x100>,
 448                                       <0x88000000 0x20000>;
 449                                 reg-names = "reg", "mem";
 450                                 clocks = <&sysclk K210_CLK_ROM>;
 451                                 resets = <&sysrst K210_RST_ROM>;
 452                                 read-only;
 453                                 status = "disabled";
 454
 455                                 /* Bootloader */
 456                                 firmware@00000 {
 457                                         reg = <0x00000 0xC200>;
 458                                 };
 459
 460                                 /*
 461                                  * config string as described in RISC-V
 462                                  * privileged spec 1.9
 463                                  */
 464                                 config-1-9@1c000 {
 465                                         reg = <0x1C000 0x1000>;
 466                                 };
 467
 468                                 /*
 469                                  * Device tree containing only registers,
 470                                  * interrupts, and cpus
 471                                  */
 472                                 fdt@1d000 {
 473                                         reg = <0x1D000 0x2000>;
 474                                 };
 475
 476                                 /* CPU/ROM credits */
 477                                 credits@1f000 {
 478                                         reg = <0x1F000 0x1000>;
 479                                 };
 480                         };
 481
 482                         dvp0: camera@50430000 {
 483                                 compatible = "kendryte,k210-dvp";
 484                                 reg = <0x50430000 0x100>;
 485                                 interrupts = <24>;
 486                                 clocks = <&sysclk K210_CLK_DVP>;
 487                                 resets = <&sysrst K210_RST_DVP>;
 488                                 kendryte,sysctl = <&sysctl>;
 489                                 kendryte,misc-offset = <K210_SYSCTL_MISC>;
 490                                 status = "disabled";
 491                         };
 492
 493                         sysctl: syscon@50440000 {
 494                                 compatible = "kendryte,k210-sysctl",
 495                                              "syscon", "simple-mfd";
 496                                 reg = <0x50440000 0x100>;
 497                                 reg-io-width = <4>;
 498                                 u-boot,dm-pre-reloc;
 499
 500                                 sysclk: clock-controller {
 501                                         #clock-cells = <1>;
 502                                         compatible = "kendryte,k210-clk";
 503                                         clocks = <&in0>;
 504                                         assigned-clocks = <&sysclk K210_CLK_PLL1>;
 505                                         assigned-clock-rates = <390000000>;
 506                                         u-boot,dm-pre-reloc;
 507                                 };
 508
 509                                 sysrst: reset-controller {
 510                                         compatible = "kendryte,k210-rst",
 511                                                      "syscon-reset";
 512                                         #reset-cells = <1>;
 513                                         regmap = <&sysctl>;
 514                                         offset = <K210_SYSCTL_PERI_RESET>;
 515                                         mask = <0x27FFFFFF>;
 516                                         assert-high = <1>;
 517                                 };
 518
 519                                 reboot {
 520                                         compatible = "syscon-reboot";
 521                                         regmap = <&sysctl>;
 522                                         offset = <K210_SYSCTL_SOFT_RESET>;
 523                                         mask = <1>;
 524                                         value = <1>;
 525                                 };
 526                         };
 527
 528                         aes0: aes@50450000 {
 529                                 compatible = "kendryte,k210-aes";
 530                                 reg = <0x50450000 0x100>;
 531                                 clocks = <&sysclk K210_CLK_AES>;
 532                                 resets = <&sysrst K210_RST_AES>;
 533                                 status = "disabled";
 534                         };
 535
 536                         rtc: rtc@50460000 {
 537                                 compatible = "kendryte,k210-rtc";
 538                                 reg = <0x50460000 0x100>;
 539                                 clocks = <&in0>;
 540                                 resets = <&sysrst K210_RST_RTC>;
 541                                 interrupts = <20>;
 542                                 status = "disabled";
 543                         };
 544                 };
 545
 546                 apb2: bus@52000000 {
 547                         #address-cells = <1>;
 548                         #size-cells = <1>;
 549                         compatible = "kendryte,k210-apb", "simple-pm-bus";
 550                         ranges;
 551                         clocks = <&sysclk K210_CLK_APB2>;
 552
 553                         spi0: spi@52000000 {
 554                                 #address-cells = <1>;
 555                                 #size-cells = <0>;
 556                                 compatible = "canaan,kendryte-k210-spi",
 557                                              "snps,dw-apb-ssi-4.01",
 558                                              "snps,dw-apb-ssi";
 559                                 reg = <0x52000000 0x100>;
 560                                 interrupts = <1>;
 561                                 clocks = <&sysclk K210_CLK_SPI0>;
 562                                 clock-names = "ssi_clk";
 563                                 resets = <&sysrst K210_RST_SPI0>;
 564                                 spi-max-frequency = <25000000>;
 565                                 num-cs = <4>;
 566                                 reg-io-width = <4>;
 567                                 status = "disabled";
 568                         };
 569
 570                         spi1: spi@53000000 {
 571                                 #address-cells = <1>;
 572                                 #size-cells = <0>;
 573                                 compatible = "canaan,kendryte-k210-spi",
 574                                              "snps,dw-apb-ssi-4.01",
 575                                              "snps,dw-apb-ssi";
 576                                 reg = <0x53000000 0x100>;
 577                                 interrupts = <2>;
 578                                 clocks = <&sysclk K210_CLK_SPI1>;
 579                                 clock-names = "ssi_clk";
 580                                 resets = <&sysrst K210_RST_SPI1>;
 581                                 spi-max-frequency = <25000000>;
 582                                 num-cs = <4>;
 583                                 reg-io-width = <4>;
 584                                 status = "disabled";
 585                         };
 586
 587                         spi3: spi@54000000 {
 588                                 #address-cells = <1>;
 589                                 #size-cells = <0>;
 590                                 compatible = "canaan,kendryte-k210-ssi",
 591                                              "snps,dwc-ssi-1.01a";
 592                                 reg = <0x54000000 0x200>;
 593                                 interrupts = <4>;
 594                                 clocks = <&sysclk K210_CLK_SPI3>;
 595                                 clock-names = "ssi_clk";
 596                                 resets = <&sysrst K210_RST_SPI3>;
 597                                 /* Could possibly go up to 200 MHz */
 598                                 spi-max-frequency = <100000000>;
 599                                 num-cs = <4>;
 600                                 reg-io-width = <4>;
 601                                 status = "disabled";
 602                         };
 603                 };
 604         };
 605 };