1// SPDX-License-Identifier: GPL-2.0 2/dts-v1/; 3 4#include "jz4770.dtsi" 5#include <dt-bindings/clock/ingenic,tcu.h> 6 7#include <dt-bindings/gpio/gpio.h> 8#include <dt-bindings/iio/adc/ingenic,adc.h> 9#include <dt-bindings/input/input.h> 10 11/ { 12 compatible = "gcw,zero", "ingenic,jz4770"; 13 model = "GCW Zero"; 14 15 aliases { 16 serial0 = &uart0; 17 serial1 = &uart1; 18 serial2 = &uart2; 19 serial3 = &uart3; 20 }; 21 22 memory: memory { 23 device_type = "memory"; 24 reg = <0x0 0x10000000>, 25 <0x30000000 0x10000000>; 26 }; 27 28 chosen { 29 stdout-path = "serial2:57600n8"; 30 }; 31 32 vcc: regulator@0 { 33 compatible = "regulator-fixed"; 34 regulator-name = "vcc"; 35 36 regulator-min-microvolt = <3300000>; 37 regulator-max-microvolt = <3300000>; 38 regulator-always-on; 39 }; 40 41 mmc1_power: regulator@1 { 42 compatible = "regulator-fixed"; 43 regulator-name = "mmc1_vcc"; 44 gpio = <&gpe 9 0>; 45 46 regulator-min-microvolt = <3300000>; 47 regulator-max-microvolt = <3300000>; 48 vin-supply = <&vcc>; 49 }; 50 51 headphones_amp: analog-amplifier@0 { 52 compatible = "simple-audio-amplifier"; 53 enable-gpios = <&gpf 3 GPIO_ACTIVE_LOW>; 54 enable-delay-ms = <50>; 55 56 VCC-supply = <&ldo5>; 57 sound-name-prefix = "Headphones Amp"; 58 }; 59 60 speaker_amp: analog-amplifier@1 { 61 compatible = "simple-audio-amplifier"; 62 enable-gpios = <&gpf 20 GPIO_ACTIVE_HIGH>; 63 64 VCC-supply = <&ldo5>; 65 sound-name-prefix = "Speaker Amp"; 66 }; 67 68 sound { 69 compatible = "simple-audio-card"; 70 71 simple-audio-card,name = "gcw0-audio"; 72 simple-audio-card,format = "i2s"; 73 74 simple-audio-card,widgets = 75 "Speaker", "Speaker", 76 "Headphone", "Headphones", 77 "Line", "FM Radio", 78 "Microphone", "Built-in Mic"; 79 simple-audio-card,routing = 80 "Headphones Amp INL", "LHPOUT", 81 "Headphones Amp INR", "RHPOUT", 82 "Headphones", "Headphones Amp OUTL", 83 "Headphones", "Headphones Amp OUTR", 84 "Speaker Amp INL", "LOUT", 85 "Speaker Amp INR", "ROUT", 86 "Speaker", "Speaker Amp OUTL", 87 "Speaker", "Speaker Amp OUTR", 88 "LLINEIN", "FM Radio", 89 "RLINEIN", "FM Radio", 90 "Built-in Mic", "MICBIAS", 91 "MIC1P", "Built-in Mic", 92 "MIC1N", "Built-in Mic"; 93 simple-audio-card,pin-switches = "Speaker", "Headphones"; 94 95 simple-audio-card,hp-det-gpio = <&gpf 21 GPIO_ACTIVE_HIGH>; 96 simple-audio-card,aux-devs = <&speaker_amp>, <&headphones_amp>; 97 98 simple-audio-card,bitclock-master = <&dai_codec>; 99 simple-audio-card,frame-master = <&dai_codec>; 100 101 dai_cpu: simple-audio-card,cpu { 102 sound-dai = <&aic>; 103 }; 104 105 dai_codec: simple-audio-card,codec { 106 sound-dai = <&codec>; 107 }; 108 }; 109 110 rumble { 111 compatible = "pwm-vibrator"; 112 pwms = <&pwm 4 2000000 0>; 113 pwm-names = "enable"; 114 115 pinctrl-names = "default"; 116 pinctrl-0 = <&pins_pwm4>; 117 }; 118 119 backlight: backlight { 120 compatible = "pwm-backlight"; 121 pwms = <&pwm 1 40000 0>; 122 power-supply = <&vcc>; 123 124 brightness-levels = <0 16 32 48 64 80 96 112 128 125 144 160 176 192 208 224 240 255>; 126 default-brightness-level = <12>; 127 128 pinctrl-names = "default"; 129 pinctrl-0 = <&pins_pwm1>; 130 }; 131 132 gpio-keys { 133 compatible = "gpio-keys"; 134 #address-cells = <1>; 135 #size-cells = <0>; 136 137 autorepeat; 138 139 button@0 { 140 label = "D-pad up"; 141 linux,code = <KEY_UP>; 142 linux,can-disable; 143 gpios = <&gpe 21 GPIO_ACTIVE_LOW>; 144 }; 145 146 button@1 { 147 label = "D-pad down"; 148 linux,code = <KEY_DOWN>; 149 linux,can-disable; 150 gpios = <&gpe 25 GPIO_ACTIVE_LOW>; 151 }; 152 153 button@2 { 154 label = "D-pad left"; 155 linux,code = <KEY_LEFT>; 156 linux,can-disable; 157 gpios = <&gpe 23 GPIO_ACTIVE_LOW>; 158 }; 159 160 button@3 { 161 label = "D-pad right"; 162 linux,code = <KEY_RIGHT>; 163 linux,can-disable; 164 gpios = <&gpe 24 GPIO_ACTIVE_LOW>; 165 }; 166 167 button@4 { 168 label = "Button A"; 169 linux,code = <KEY_LEFTCTRL>; 170 linux,can-disable; 171 gpios = <&gpe 29 GPIO_ACTIVE_LOW>; 172 }; 173 174 button@5 { 175 label = "Button B"; 176 linux,code = <KEY_LEFTALT>; 177 linux,can-disable; 178 gpios = <&gpe 20 GPIO_ACTIVE_LOW>; 179 }; 180 181 button@6 { 182 label = "Button Y"; 183 linux,code = <KEY_SPACE>; 184 linux,can-disable; 185 gpios = <&gpe 27 GPIO_ACTIVE_LOW>; 186 }; 187 188 button@7 { 189 label = "Button X"; 190 linux,code = <KEY_LEFTSHIFT>; 191 linux,can-disable; 192 gpios = <&gpe 28 GPIO_ACTIVE_LOW>; 193 }; 194 195 button@8 { 196 label = "Left shoulder button"; 197 linux,code = <KEY_TAB>; 198 linux,can-disable; 199 gpios = <&gpb 20 GPIO_ACTIVE_LOW>; 200 }; 201 202 button@9 { 203 label = "Right shoulder button"; 204 linux,code = <KEY_BACKSPACE>; 205 linux,can-disable; 206 gpios = <&gpe 26 GPIO_ACTIVE_LOW>; 207 }; 208 209 button@10 { 210 label = "Start button"; 211 linux,code = <KEY_ENTER>; 212 linux,can-disable; 213 gpios = <&gpb 21 GPIO_ACTIVE_LOW>; 214 }; 215 216 button@11 { 217 label = "Select button"; 218 linux,code = <KEY_ESC>; 219 linux,can-disable; 220 /* 221 * This is the only button that is active high, 222 * since it doubles as BOOT_SEL1. 223 */ 224 gpios = <&gpd 18 GPIO_ACTIVE_HIGH>; 225 }; 226 227 button@12 { 228 label = "Power slider"; 229 linux,code = <KEY_POWER>; 230 linux,can-disable; 231 gpios = <&gpa 30 GPIO_ACTIVE_LOW>; 232 wakeup-source; 233 }; 234 235 button@13 { 236 label = "Power hold"; 237 linux,code = <KEY_PAUSE>; 238 linux,can-disable; 239 gpios = <&gpf 11 GPIO_ACTIVE_LOW>; 240 }; 241 }; 242 243 i2c3: i2c-controller@3 { 244 compatible = "i2c-gpio"; 245 #address-cells = <1>; 246 #size-cells = <0>; 247 248 sda-gpios = <&gpd 5 GPIO_ACTIVE_HIGH>; 249 scl-gpios = <&gpd 4 GPIO_ACTIVE_HIGH>; 250 i2c-gpio,delay-us = <2>; /* 250 kHz */ 251 252 act8600: pmic@5a { 253 compatible = "active-semi,act8600"; 254 reg = <0x5a>; 255 256 regulators { 257 /* USB OTG */ 258 otg_vbus: SUDCDC_REG4 { 259 /* 260 * 5.3V instead of 5.0V to compensate 261 * for the voltage drop of a diode 262 * between the regulator and the 263 * connector. 264 */ 265 regulator-min-microvolt = <5300000>; 266 regulator-max-microvolt = <5300000>; 267 inl-supply = <&vcc>; 268 }; 269 270 /* 271 * When this is off, there is no sound, but also 272 * no USB networking. 273 */ 274 ldo5: LDO5 { 275 regulator-min-microvolt = <2500000>; 276 regulator-max-microvolt = <2500000>; 277 inl-supply = <&vcc>; 278 }; 279 280 /* LCD panel and FM radio */ 281 ldo6: LDO6 { 282 regulator-min-microvolt = <3300000>; 283 regulator-max-microvolt = <3300000>; 284 inl-supply = <&vcc>; 285 }; 286 287 /* ??? */ 288 LDO7 { 289 regulator-min-microvolt = <3300000>; 290 regulator-max-microvolt = <3300000>; 291 /*regulator-always-on;*/ 292 inl-supply = <&vcc>; 293 }; 294 295 /* 296 * The colors on the LCD are wrong when this is 297 * off. Which is strange, since the LCD panel 298 * data sheet only mentions a 3.3V input. 299 */ 300 LDO8 { 301 regulator-min-microvolt = <1800000>; 302 regulator-max-microvolt = <1800000>; 303 regulator-always-on; 304 inl-supply = <&vcc>; 305 }; 306 307 /* RTC fixed 3.3V */ 308 LDO_REG9 { 309 regulator-min-microvolt = <3300000>; 310 regulator-max-microvolt = <3300000>; 311 regulator-always-on; 312 inl-supply = <&vcc>; 313 }; 314 315 /* Unused fixed 1.2V */ 316 LDO_REG10 { 317 inl-supply = <&vcc>; 318 }; 319 }; 320 }; 321 }; 322 323 leds { 324 compatible = "gpio-leds"; 325 326 led { 327 gpios = <&gpb 30 GPIO_ACTIVE_LOW>; 328 default-state = "on"; 329 }; 330 }; 331 332 spi { 333 compatible = "spi-gpio"; 334 #address-cells = <1>; 335 #size-cells = <0>; 336 337 sck-gpios = <&gpe 15 GPIO_ACTIVE_HIGH>; 338 mosi-gpios = <&gpe 17 GPIO_ACTIVE_HIGH>; 339 cs-gpios = <&gpe 16 GPIO_ACTIVE_HIGH>; 340 num-chipselects = <1>; 341 342 nt39016@0 { 343 compatible = "kingdisplay,kd035g6-54nt"; 344 reg = <0>; 345 346 spi-max-frequency = <3125000>; 347 spi-3wire; 348 spi-cs-high; 349 350 reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>; 351 352 backlight = <&backlight>; 353 power-supply = <&ldo6>; 354 355 port { 356 panel_input: endpoint { 357 remote-endpoint = <&panel_output>; 358 }; 359 }; 360 }; 361 }; 362 363 connector { 364 compatible = "gpio-usb-b-connector", "usb-b-connector"; 365 label = "mini-USB"; 366 type = "mini"; 367 368 /* 369 * USB OTG is not yet working reliably, the ID detection 370 * mechanism tends to fry easily for unknown reasons. 371 * Until this is fixed, disable OTG by not providing the 372 * ID GPIO to the driver. 373 */ 374 //id-gpios = <&gpf 18 GPIO_ACTIVE_LOW>; 375 376 vbus-gpios = <&gpb 5 GPIO_ACTIVE_HIGH>; 377 vbus-supply = <&otg_vbus>; 378 379 pinctrl-names = "default"; 380 pinctrl-0 = <&pins_otg>; 381 382 port { 383 usb_ep: endpoint { 384 remote-endpoint = <&usb_otg_ep>; 385 }; 386 }; 387 }; 388}; 389 390&ext { 391 clock-frequency = <12000000>; 392}; 393 394&pinctrl { 395 pins_lcd: lcd { 396 function = "lcd"; 397 groups = "lcd-24bit"; 398 }; 399 400 pins_uart2: uart2 { 401 function = "uart2"; 402 groups = "uart2-data"; 403 }; 404 405 pins_mmc0: mmc0 { 406 function = "mmc0"; 407 groups = "mmc0-1bit-a", "mmc0-4bit-a"; 408 }; 409 410 pins_mmc1: mmc1 { 411 function = "mmc1"; 412 groups = "mmc1-1bit-d", "mmc1-4bit-d"; 413 }; 414 415 pins_otg: otg { 416 otg-vbus-pin { 417 function = "otg"; 418 groups = "otg-vbus"; 419 }; 420 421 vbus-pin { 422 pins = "PB5"; 423 bias-disable; 424 }; 425 }; 426 427 pins_pwm1: pwm1 { 428 function = "pwm1"; 429 groups = "pwm1"; 430 }; 431 432 pins_pwm4: pwm4 { 433 function = "pwm4"; 434 groups = "pwm4"; 435 }; 436}; 437 438&uart2 { 439 pinctrl-names = "default"; 440 pinctrl-0 = <&pins_uart2>; 441 442 status = "okay"; 443}; 444 445&cgu { 446 /* 447 * Put high-speed peripherals under PLL1, such that we can change the 448 * PLL0 frequency on demand without having to suspend peripherals. 449 * We use a rate of 432 MHz, which is the least common multiple of 450 * 27 MHz (required by TV encoder) and 48 MHz (required by USB host). 451 * Put the GPU under PLL0 since we want a higher frequency. 452 * Use the 32 kHz oscillator as the parent of the RTC for a higher 453 * precision. 454 */ 455 assigned-clocks = 456 <&cgu JZ4770_CLK_PLL1>, 457 <&cgu JZ4770_CLK_GPU>, 458 <&cgu JZ4770_CLK_RTC>, 459 <&cgu JZ4770_CLK_UHC>, 460 <&cgu JZ4770_CLK_LPCLK_MUX>, 461 <&cgu JZ4770_CLK_MMC0_MUX>, 462 <&cgu JZ4770_CLK_MMC1_MUX>; 463 assigned-clock-parents = 464 <0>, 465 <&cgu JZ4770_CLK_PLL0>, 466 <&cgu JZ4770_CLK_OSC32K>, 467 <&cgu JZ4770_CLK_PLL1>, 468 <&cgu JZ4770_CLK_PLL1>, 469 <&cgu JZ4770_CLK_PLL1>, 470 <&cgu JZ4770_CLK_PLL1>; 471 assigned-clock-rates = 472 <432000000>, 473 <600000000>; 474}; 475 476&uhc { 477 /* The WiFi module is connected to the UHC. */ 478 status = "okay"; 479}; 480 481&tcu { 482 /* 483 * 750 kHz for the system timer and clocksource, 12 MHz for the OST, 484 * and use RTC as the parent for the watchdog clock 485 */ 486 assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>, 487 <&tcu TCU_CLK_OST>, <&tcu TCU_CLK_WDT>; 488 assigned-clock-parents = <0>, <0>, <0>, <&cgu JZ4770_CLK_RTC>; 489 assigned-clock-rates = <750000>, <750000>, <12000000>; 490 491 /* PWM1 is in use, so use channel #2 for the clocksource */ 492 ingenic,pwm-channels-mask = <0xfa>; 493}; 494 495&usb_otg { 496 port { 497 usb_otg_ep: endpoint { 498 remote-endpoint = <&usb_ep>; 499 }; 500 }; 501}; 502 503&otg_phy { 504 vcc-supply = <&ldo5>; 505}; 506 507&rtc { 508 clocks = <&cgu JZ4770_CLK_RTC>; 509 clock-names = "rtc"; 510 511 system-power-controller; 512}; 513 514&mmc0 { 515 status = "okay"; 516 517 bus-width = <4>; 518 max-frequency = <48000000>; 519 vmmc-supply = <&vcc>; 520 non-removable; 521 522 pinctrl-names = "default"; 523 pinctrl-0 = <&pins_mmc0>; 524}; 525 526&mmc1 { 527 status = "okay"; 528 529 bus-width = <4>; 530 max-frequency = <48000000>; 531 cd-gpios = <&gpb 2 GPIO_ACTIVE_LOW>; 532 vmmc-supply = <&mmc1_power>; 533 534 pinctrl-names = "default"; 535 pinctrl-0 = <&pins_mmc1>; 536}; 537 538&lcd { 539 pinctrl-names = "default"; 540 pinctrl-0 = <&pins_lcd>; 541 542 port { 543 panel_output: endpoint { 544 remote-endpoint = <&panel_input>; 545 }; 546 }; 547}; 548