arch/mips/boot/dts/ingenic/ci20.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3
   4 #include "jz4780.dtsi"
   5 #include <dt-bindings/clock/ingenic,tcu.h>
   6 #include <dt-bindings/gpio/gpio.h>
   7 #include <dt-bindings/interrupt-controller/irq.h>
   8 #include <dt-bindings/regulator/active-semi,8865-regulator.h>
   9
  10 / {
  11         compatible = "img,ci20", "ingenic,jz4780";
  12
  13         aliases {
  14                 serial0 = &uart0;
  15                 serial1 = &uart1;
  16                 serial3 = &uart3;
  17                 serial4 = &uart4;
  18         };
  19
  20         chosen {
  21                 stdout-path = &uart4;
  22         };
  23
  24         memory {
  25                 device_type = "memory";
  26                 reg = <0x0 0x10000000
  27                        0x30000000 0x30000000>;
  28         };
  29
  30         leds {
  31                 compatible = "gpio-leds";
  32
  33                 led0 {
  34                         label = "ci20:red:led0";
  35                         gpios = <&gpc 3 GPIO_ACTIVE_HIGH>;
  36                         linux,default-trigger = "none";
  37                 };
  38
  39                 led1 {
  40                         label = "ci20:red:led1";
  41                         gpios = <&gpc 2 GPIO_ACTIVE_HIGH>;
  42                         linux,default-trigger = "nand-disk";
  43                 };
  44
  45                 led2 {
  46                         label = "ci20:red:led2";
  47                         gpios = <&gpc 1 GPIO_ACTIVE_HIGH>;
  48                         linux,default-trigger = "cpu1";
  49                 };
  50
  51                 led3 {
  52                         label = "ci20:red:led3";
  53                         gpios = <&gpc 0 GPIO_ACTIVE_HIGH>;
  54                         linux,default-trigger = "cpu0";
  55                 };
  56         };
  57
  58         eth0_power: fixedregulator@0 {
  59                 compatible = "regulator-fixed";
  60                 regulator-name = "eth0_power";
  61                 gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
  62                 enable-active-high;
  63         };
  64
  65         wlan0_power: fixedregulator@1 {
  66                 compatible = "regulator-fixed";
  67                 regulator-name = "wlan0_power";
  68                 gpio = <&gpb 19 GPIO_ACTIVE_LOW>;
  69                 enable-active-high;
  70         };
  71 };
  72
  73 &ext {
  74         clock-frequency = <48000000>;
  75 };
  76
  77 &mmc0 {
  78         status = "okay";
  79
  80         bus-width = <4>;
  81         max-frequency = <50000000>;
  82
  83         pinctrl-names = "default";
  84         pinctrl-0 = <&pins_mmc0>;
  85
  86         cd-gpios = <&gpf 20 GPIO_ACTIVE_LOW>;
  87 };
  88
  89 &mmc1 {
  90         status = "okay";
  91
  92         bus-width = <4>;
  93         max-frequency = <50000000>;
  94         non-removable;
  95
  96         pinctrl-names = "default";
  97         pinctrl-0 = <&pins_mmc1>;
  98
  99         brcmf: wifi@1 {
 100 /*              reg = <4>;*/
 101                 compatible = "brcm,bcm4330-fmac";
 102                 vcc-supply = <&wlan0_power>;
 103                 device-wakeup-gpios = <&gpd 9 GPIO_ACTIVE_HIGH>;
 104                 shutdown-gpios = <&gpf 7 GPIO_ACTIVE_LOW>;
 105         };
 106 };
 107
 108 &uart0 {
 109         status = "okay";
 110
 111         pinctrl-names = "default";
 112         pinctrl-0 = <&pins_uart0>;
 113 };
 114
 115 &uart1 {
 116         status = "okay";
 117
 118         pinctrl-names = "default";
 119         pinctrl-0 = <&pins_uart1>;
 120 };
 121
 122 &uart2 {
 123         status = "okay";
 124
 125         pinctrl-names = "default";
 126         pinctrl-0 = <&pins_uart2>;
 127         uart-has-rtscts;
 128
 129         bluetooth {
 130                 compatible = "brcm,bcm4330-bt";
 131                 reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>;
 132                 vcc-supply = <&wlan0_power>;
 133                 device-wakeup-gpios = <&gpf 5 GPIO_ACTIVE_HIGH>;
 134                 host-wakeup-gpios = <&gpf 6 GPIO_ACTIVE_HIGH>;
 135                 shutdown-gpios = <&gpf 4 GPIO_ACTIVE_LOW>;
 136         };
 137 };
 138
 139 &uart3 {
 140         status = "okay";
 141
 142         pinctrl-names = "default";
 143         pinctrl-0 = <&pins_uart3>;
 144 };
 145
 146 &uart4 {
 147         status = "okay";
 148
 149         pinctrl-names = "default";
 150         pinctrl-0 = <&pins_uart4>;
 151 };
 152
 153 &i2c0 {
 154         status = "okay";
 155
 156         pinctrl-names = "default";
 157         pinctrl-0 = <&pins_i2c0>;
 158
 159         clock-frequency = <400000>;
 160
 161         act8600: act8600@5a {
 162                 compatible = "active-semi,act8600";
 163                 reg = <0x5a>;
 164                 status = "okay";
 165
 166                 regulators {
 167                         vddcore: SUDCDC1 {
 168                                 regulator-name = "DCDC_REG1";
 169                                 regulator-min-microvolt = <1100000>;
 170                                 regulator-max-microvolt = <1100000>;
 171                                 regulator-always-on;
 172                         };
 173                         vddmem: SUDCDC2 {
 174                                 regulator-name = "DCDC_REG2";
 175                                 regulator-min-microvolt = <1500000>;
 176                                 regulator-max-microvolt = <1500000>;
 177                                 regulator-always-on;
 178                         };
 179                         vcc_33: SUDCDC3 {
 180                                 regulator-name = "DCDC_REG3";
 181                                 regulator-min-microvolt = <3300000>;
 182                                 regulator-max-microvolt = <3300000>;
 183                                 regulator-always-on;
 184                         };
 185                         vcc_50: SUDCDC4 {
 186                                 regulator-name = "SUDCDC_REG4";
 187                                 regulator-min-microvolt = <5000000>;
 188                                 regulator-max-microvolt = <5000000>;
 189                                 regulator-always-on;
 190                         };
 191                         vcc_25: LDO_REG5 {
 192                                 regulator-name = "LDO_REG5";
 193                                 regulator-min-microvolt = <2500000>;
 194                                 regulator-max-microvolt = <2500000>;
 195                                 regulator-always-on;
 196                         };
 197                         wifi_io: LDO_REG6 {
 198                                 regulator-name = "LDO_REG6";
 199                                 regulator-min-microvolt = <2500000>;
 200                                 regulator-max-microvolt = <2500000>;
 201                                 regulator-always-on;
 202                         };
 203                         vcc_28: LDO_REG7 {
 204                                 regulator-name = "LDO_REG7";
 205                                 regulator-min-microvolt = <2800000>;
 206                                 regulator-max-microvolt = <2800000>;
 207                                 regulator-always-on;
 208                         };
 209                         vcc_15: LDO_REG8 {
 210                                 regulator-name = "LDO_REG8";
 211                                 regulator-min-microvolt = <1500000>;
 212                                 regulator-max-microvolt = <1500000>;
 213                                 regulator-always-on;
 214                         };
 215                         vrtc_18: LDO_REG9 {
 216                                 regulator-name = "LDO_REG9";
 217                                 /* Despite the datasheet stating 3.3V
 218                                  * for REG9 and the driver expecting that,
 219                                  * REG9 outputs 1.8V.
 220                                  * Likely the CI20 uses a proprietary
 221                                  * factory programmed chip variant.
 222                                  * Since this is a simple on/off LDO the
 223                                  * exact values do not matter.
 224                                  */
 225                                 regulator-min-microvolt = <3300000>;
 226                                 regulator-max-microvolt = <3300000>;
 227                                 regulator-always-on;
 228                         };
 229                         vcc_11: LDO_REG10 {
 230                                 regulator-name = "LDO_REG10";
 231                                 regulator-min-microvolt = <1200000>;
 232                                 regulator-max-microvolt = <1200000>;
 233                                 regulator-always-on;
 234                         };
 235                 };
 236         };
 237 };
 238
 239 &i2c1 {
 240         status = "okay";
 241
 242         pinctrl-names = "default";
 243         pinctrl-0 = <&pins_i2c1>;
 244
 245 };
 246
 247 &i2c2 {
 248         status = "okay";
 249
 250         pinctrl-names = "default";
 251         pinctrl-0 = <&pins_i2c2>;
 252
 253 };
 254
 255 &i2c3 {
 256         status = "okay";
 257
 258         pinctrl-names = "default";
 259         pinctrl-0 = <&pins_i2c3>;
 260
 261 };
 262
 263 &i2c4 {
 264         status = "okay";
 265
 266         pinctrl-names = "default";
 267         pinctrl-0 = <&pins_i2c4>;
 268
 269         clock-frequency = <400000>;
 270
 271                 rtc@51 {
 272                         compatible = "nxp,pcf8563";
 273                         reg = <0x51>;
 274
 275                         interrupt-parent = <&gpf>;
 276                         interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
 277                 };
 278 };
 279
 280 &nemc {
 281         status = "okay";
 282
 283         nandc: nand-controller@1 {
 284                 compatible = "ingenic,jz4780-nand";
 285                 reg = <1 0 0x1000000>;
 286
 287                 #address-cells = <1>;
 288                 #size-cells = <0>;
 289
 290                 ingenic,bch-controller = <&bch>;
 291
 292                 ingenic,nemc-tAS = <10>;
 293                 ingenic,nemc-tAH = <5>;
 294                 ingenic,nemc-tBP = <10>;
 295                 ingenic,nemc-tAW = <15>;
 296                 ingenic,nemc-tSTRV = <100>;
 297
 298                 /*
 299                  * Only CLE/ALE are needed for the devices that are connected, rather
 300                  * than the full address line set.
 301                  */
 302                 pinctrl-names = "default";
 303                 pinctrl-0 = <&pins_nemc>;
 304
 305                 nand@1 {
 306                         reg = <1>;
 307
 308                         nand-ecc-step-size = <1024>;
 309                         nand-ecc-strength = <24>;
 310                         nand-ecc-mode = "hw";
 311                         nand-on-flash-bbt;
 312
 313                         pinctrl-names = "default";
 314                         pinctrl-0 = <&pins_nemc_cs1>;
 315
 316                         partitions {
 317                                 compatible = "fixed-partitions";
 318                                 #address-cells = <2>;
 319                                 #size-cells = <2>;
 320
 321                                 partition@0 {
 322                                         label = "u-boot-spl";
 323                                         reg = <0x0 0x0 0x0 0x800000>;
 324                                 };
 325
 326                                 partition@800000 {
 327                                         label = "u-boot";
 328                                         reg = <0x0 0x800000 0x0 0x200000>;
 329                                 };
 330
 331                                 partition@a00000 {
 332                                         label = "u-boot-env";
 333                                         reg = <0x0 0xa00000 0x0 0x200000>;
 334                                 };
 335
 336                                 partition@c00000 {
 337                                         label = "boot";
 338                                         reg = <0x0 0xc00000 0x0 0x4000000>;
 339                                 };
 340
 341                                 partition@4c00000 {
 342                                         label = "system";
 343                                         reg = <0x0 0x4c00000 0x1 0xfb400000>;
 344                                 };
 345                         };
 346                 };
 347         };
 348
 349         dm9000@6 {
 350                 compatible = "davicom,dm9000";
 351                 davicom,no-eeprom;
 352
 353                 pinctrl-names = "default";
 354                 pinctrl-0 = <&pins_nemc_cs6>;
 355
 356                 reg = <6 0 1   /* addr */
 357                        6 2 1>; /* data */
 358
 359                 ingenic,nemc-tAS = <15>;
 360                 ingenic,nemc-tAH = <10>;
 361                 ingenic,nemc-tBP = <20>;
 362                 ingenic,nemc-tAW = <50>;
 363                 ingenic,nemc-tSTRV = <100>;
 364
 365                 reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>;
 366                 vcc-supply = <&eth0_power>;
 367
 368                 interrupt-parent = <&gpe>;
 369                 interrupts = <19 4>;
 370         };
 371 };
 372
 373 &bch {
 374         status = "okay";
 375 };
 376
 377 &pinctrl {
 378         pins_uart0: uart0 {
 379                 function = "uart0";
 380                 groups = "uart0-data";
 381                 bias-disable;
 382         };
 383
 384         pins_uart1: uart1 {
 385                 function = "uart1";
 386                 groups = "uart1-data";
 387                 bias-disable;
 388         };
 389
 390         pins_uart2: uart2 {
 391                 function = "uart2";
 392                 groups = "uart2-data", "uart2-hwflow";
 393                 bias-disable;
 394         };
 395
 396         pins_uart3: uart3 {
 397                 function = "uart3";
 398                 groups = "uart3-data", "uart3-hwflow";
 399                 bias-disable;
 400         };
 401
 402         pins_uart4: uart4 {
 403                 function = "uart4";
 404                 groups = "uart4-data";
 405                 bias-disable;
 406         };
 407
 408         pins_i2c0: i2c0 {
 409                 function = "i2c0";
 410                 groups = "i2c0-data";
 411                 bias-disable;
 412         };
 413
 414         pins_i2c1: i2c1 {
 415                 function = "i2c1";
 416                 groups = "i2c1-data";
 417                 bias-disable;
 418         };
 419
 420         pins_i2c2: i2c2 {
 421                 function = "i2c2";
 422                 groups = "i2c2-data";
 423                 bias-disable;
 424         };
 425
 426         pins_i2c3: i2c3 {
 427                 function = "i2c3";
 428                 groups = "i2c3-data";
 429                 bias-disable;
 430         };
 431
 432         pins_i2c4: i2c4 {
 433                 function = "i2c4";
 434                 groups = "i2c4-data-e";
 435                 bias-disable;
 436         };
 437
 438         pins_nemc: nemc {
 439                 function = "nemc";
 440                 groups = "nemc-data", "nemc-cle-ale", "nemc-rd-we", "nemc-frd-fwe";
 441                 bias-disable;
 442         };
 443
 444         pins_nemc_cs1: nemc-cs1 {
 445                 function = "nemc-cs1";
 446                 groups = "nemc-cs1";
 447                 bias-disable;
 448         };
 449
 450         pins_nemc_cs6: nemc-cs6 {
 451                 function = "nemc-cs6";
 452                 groups = "nemc-cs6";
 453                 bias-disable;
 454         };
 455
 456         pins_mmc0: mmc0 {
 457                 function = "mmc0";
 458                 groups = "mmc0-1bit-e", "mmc0-4bit-e";
 459                 bias-disable;
 460         };
 461
 462         pins_mmc1: mmc1 {
 463                 function = "mmc1";
 464                 groups = "mmc1-1bit-d", "mmc1-4bit-d";
 465                 bias-disable;
 466         };
 467 };
 468
 469 &tcu {
 470         /* 3 MHz for the system timer and clocksource */
 471         assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>;
 472         assigned-clock-rates = <3000000>, <3000000>;
 473 };