0001 // SPDX-License-Identifier: GPL-2.0
0002 /dts-v1/;
0003
0004 #include "jz4770.dtsi"
0005 #include <dt-bindings/clock/ingenic,tcu.h>
0006
0007 #include <dt-bindings/gpio/gpio.h>
0008 #include <dt-bindings/iio/adc/ingenic,adc.h>
0009 #include <dt-bindings/input/input.h>
0010
0011 / {
0012 compatible = "gcw,zero", "ingenic,jz4770";
0013 model = "GCW Zero";
0014
0015 aliases {
0016 serial0 = &uart0;
0017 serial1 = &uart1;
0018 serial2 = &uart2;
0019 serial3 = &uart3;
0020 };
0021
0022 memory: memory {
0023 device_type = "memory";
0024 reg = <0x0 0x10000000>,
0025 <0x30000000 0x10000000>;
0026 };
0027
0028 chosen {
0029 stdout-path = "serial2:57600n8";
0030 };
0031
0032 vcc: regulator@0 {
0033 compatible = "regulator-fixed";
0034 regulator-name = "vcc";
0035
0036 regulator-min-microvolt = <3300000>;
0037 regulator-max-microvolt = <3300000>;
0038 regulator-always-on;
0039 };
0040
0041 mmc1_power: regulator@1 {
0042 compatible = "regulator-fixed";
0043 regulator-name = "mmc1_vcc";
0044 gpio = <&gpe 9 0>;
0045
0046 regulator-min-microvolt = <3300000>;
0047 regulator-max-microvolt = <3300000>;
0048 vin-supply = <&vcc>;
0049 };
0050
0051 headphones_amp: analog-amplifier@0 {
0052 compatible = "simple-audio-amplifier";
0053 enable-gpios = <&gpf 3 GPIO_ACTIVE_LOW>;
0054 enable-delay-ms = <50>;
0055
0056 VCC-supply = <&ldo5>;
0057 sound-name-prefix = "Headphones Amp";
0058 };
0059
0060 speaker_amp: analog-amplifier@1 {
0061 compatible = "simple-audio-amplifier";
0062 enable-gpios = <&gpf 20 GPIO_ACTIVE_HIGH>;
0063
0064 VCC-supply = <&ldo5>;
0065 sound-name-prefix = "Speaker Amp";
0066 };
0067
0068 sound {
0069 compatible = "simple-audio-card";
0070
0071 simple-audio-card,name = "gcw0-audio";
0072 simple-audio-card,format = "i2s";
0073
0074 simple-audio-card,widgets =
0075 "Speaker", "Speaker",
0076 "Headphone", "Headphones",
0077 "Microphone", "Built-in Mic";
0078 simple-audio-card,routing =
0079 "Headphones Amp INL", "LHPOUT",
0080 "Headphones Amp INR", "RHPOUT",
0081 "Headphones", "Headphones Amp OUTL",
0082 "Headphones", "Headphones Amp OUTR",
0083 "Speaker Amp INL", "LOUT",
0084 "Speaker Amp INR", "ROUT",
0085 "Speaker", "Speaker Amp OUTL",
0086 "Speaker", "Speaker Amp OUTR",
0087 "LLINEIN", "Cap-less",
0088 "RLINEIN", "Cap-less",
0089 "Built-in Mic", "MICBIAS",
0090 "MIC1P", "Built-in Mic",
0091 "MIC1N", "Built-in Mic";
0092 simple-audio-card,pin-switches = "Speaker", "Headphones";
0093
0094 simple-audio-card,hp-det-gpio = <&gpf 21 GPIO_ACTIVE_LOW>;
0095 simple-audio-card,aux-devs = <&speaker_amp>, <&headphones_amp>;
0096
0097 simple-audio-card,bitclock-master = <&dai_codec>;
0098 simple-audio-card,frame-master = <&dai_codec>;
0099
0100 dai_cpu: simple-audio-card,cpu {
0101 sound-dai = <&aic>;
0102 };
0103
0104 dai_codec: simple-audio-card,codec {
0105 sound-dai = <&codec>;
0106 };
0107 };
0108
0109 rumble {
0110 compatible = "pwm-vibrator";
0111 pwms = <&pwm 4 2000000 0>;
0112 pwm-names = "enable";
0113
0114 pinctrl-names = "default";
0115 pinctrl-0 = <&pins_pwm4>;
0116 };
0117
0118 backlight: backlight {
0119 compatible = "pwm-backlight";
0120 pwms = <&pwm 1 40000 0>;
0121 power-supply = <&vcc>;
0122
0123 brightness-levels = <0 16 32 48 64 80 96 112 128
0124 144 160 176 192 208 224 240 255>;
0125 default-brightness-level = <12>;
0126
0127 pinctrl-names = "default";
0128 pinctrl-0 = <&pins_pwm1>;
0129 };
0130
0131 gpio-keys {
0132 compatible = "gpio-keys";
0133 autorepeat;
0134
0135 button-0 {
0136 label = "D-pad up";
0137 linux,code = <KEY_UP>;
0138 linux,can-disable;
0139 gpios = <&gpe 21 GPIO_ACTIVE_LOW>;
0140 };
0141
0142 button-1 {
0143 label = "D-pad down";
0144 linux,code = <KEY_DOWN>;
0145 linux,can-disable;
0146 gpios = <&gpe 25 GPIO_ACTIVE_LOW>;
0147 };
0148
0149 button-2 {
0150 label = "D-pad left";
0151 linux,code = <KEY_LEFT>;
0152 linux,can-disable;
0153 gpios = <&gpe 23 GPIO_ACTIVE_LOW>;
0154 };
0155
0156 button-3 {
0157 label = "D-pad right";
0158 linux,code = <KEY_RIGHT>;
0159 linux,can-disable;
0160 gpios = <&gpe 24 GPIO_ACTIVE_LOW>;
0161 };
0162
0163 button-4 {
0164 label = "Button A";
0165 linux,code = <KEY_LEFTCTRL>;
0166 linux,can-disable;
0167 gpios = <&gpe 29 GPIO_ACTIVE_LOW>;
0168 };
0169
0170 button-5 {
0171 label = "Button B";
0172 linux,code = <KEY_LEFTALT>;
0173 linux,can-disable;
0174 gpios = <&gpe 20 GPIO_ACTIVE_LOW>;
0175 };
0176
0177 button-6 {
0178 label = "Button Y";
0179 linux,code = <KEY_SPACE>;
0180 linux,can-disable;
0181 gpios = <&gpe 27 GPIO_ACTIVE_LOW>;
0182 };
0183
0184 button-7 {
0185 label = "Button X";
0186 linux,code = <KEY_LEFTSHIFT>;
0187 linux,can-disable;
0188 gpios = <&gpe 28 GPIO_ACTIVE_LOW>;
0189 };
0190
0191 button-8 {
0192 label = "Left shoulder button";
0193 linux,code = <KEY_TAB>;
0194 linux,can-disable;
0195 gpios = <&gpb 20 GPIO_ACTIVE_LOW>;
0196 };
0197
0198 button-9 {
0199 label = "Right shoulder button";
0200 linux,code = <KEY_BACKSPACE>;
0201 linux,can-disable;
0202 gpios = <&gpe 26 GPIO_ACTIVE_LOW>;
0203 };
0204
0205 button-10 {
0206 label = "Start button";
0207 linux,code = <KEY_ENTER>;
0208 linux,can-disable;
0209 gpios = <&gpb 21 GPIO_ACTIVE_LOW>;
0210 };
0211
0212 button-11 {
0213 label = "Select button";
0214 linux,code = <KEY_ESC>;
0215 linux,can-disable;
0216 /*
0217 * This is the only button that is active high,
0218 * since it doubles as BOOT_SEL1.
0219 */
0220 gpios = <&gpd 18 GPIO_ACTIVE_HIGH>;
0221 };
0222
0223 button-12 {
0224 label = "Power slider";
0225 linux,code = <KEY_POWER>;
0226 linux,can-disable;
0227 gpios = <&gpa 30 GPIO_ACTIVE_LOW>;
0228 wakeup-source;
0229 };
0230
0231 button-13 {
0232 label = "Power hold";
0233 linux,code = <KEY_PAUSE>;
0234 linux,can-disable;
0235 gpios = <&gpf 11 GPIO_ACTIVE_LOW>;
0236 };
0237 };
0238
0239 i2c3: i2c-controller@3 {
0240 compatible = "i2c-gpio";
0241 #address-cells = <1>;
0242 #size-cells = <0>;
0243
0244 sda-gpios = <&gpd 5 GPIO_ACTIVE_HIGH>;
0245 scl-gpios = <&gpd 4 GPIO_ACTIVE_HIGH>;
0246 i2c-gpio,delay-us = <2>; /* 250 kHz */
0247
0248 act8600: pmic@5a {
0249 compatible = "active-semi,act8600";
0250 reg = <0x5a>;
0251
0252 regulators {
0253 /* USB OTG */
0254 otg_vbus: SUDCDC_REG4 {
0255 /*
0256 * 5.3V instead of 5.0V to compensate
0257 * for the voltage drop of a diode
0258 * between the regulator and the
0259 * connector.
0260 */
0261 regulator-min-microvolt = <5300000>;
0262 regulator-max-microvolt = <5300000>;
0263 inl-supply = <&vcc>;
0264 };
0265
0266 /*
0267 * When this is off, there is no sound, but also
0268 * no USB networking.
0269 */
0270 ldo5: LDO5 {
0271 regulator-min-microvolt = <2500000>;
0272 regulator-max-microvolt = <2500000>;
0273 inl-supply = <&vcc>;
0274 };
0275
0276 /* LCD panel and FM radio */
0277 ldo6: LDO6 {
0278 regulator-min-microvolt = <3300000>;
0279 regulator-max-microvolt = <3300000>;
0280 inl-supply = <&vcc>;
0281 };
0282
0283 /* ??? */
0284 LDO7 {
0285 regulator-min-microvolt = <3300000>;
0286 regulator-max-microvolt = <3300000>;
0287 /*regulator-always-on;*/
0288 inl-supply = <&vcc>;
0289 };
0290
0291 /*
0292 * The colors on the LCD are wrong when this is
0293 * off. Which is strange, since the LCD panel
0294 * data sheet only mentions a 3.3V input.
0295 */
0296 LDO8 {
0297 regulator-min-microvolt = <1800000>;
0298 regulator-max-microvolt = <1800000>;
0299 regulator-always-on;
0300 inl-supply = <&vcc>;
0301 };
0302
0303 /* RTC fixed 3.3V */
0304 LDO_REG9 {
0305 regulator-min-microvolt = <3300000>;
0306 regulator-max-microvolt = <3300000>;
0307 regulator-always-on;
0308 inl-supply = <&vcc>;
0309 };
0310
0311 /* Unused fixed 1.2V */
0312 LDO_REG10 {
0313 inl-supply = <&vcc>;
0314 };
0315 };
0316 };
0317 };
0318
0319 leds {
0320 compatible = "gpio-leds";
0321
0322 led {
0323 gpios = <&gpb 30 GPIO_ACTIVE_LOW>;
0324 default-state = "on";
0325 };
0326 };
0327
0328 spi {
0329 compatible = "spi-gpio";
0330 #address-cells = <1>;
0331 #size-cells = <0>;
0332
0333 sck-gpios = <&gpe 15 GPIO_ACTIVE_HIGH>;
0334 mosi-gpios = <&gpe 17 GPIO_ACTIVE_HIGH>;
0335 cs-gpios = <&gpe 16 GPIO_ACTIVE_HIGH>;
0336 num-chipselects = <1>;
0337
0338 nt39016@0 {
0339 compatible = "kingdisplay,kd035g6-54nt";
0340 reg = <0>;
0341
0342 spi-max-frequency = <3125000>;
0343 spi-3wire;
0344
0345 reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>;
0346
0347 backlight = <&backlight>;
0348 power-supply = <&ldo6>;
0349
0350 port {
0351 panel_input: endpoint {
0352 remote-endpoint = <&panel_output>;
0353 };
0354 };
0355 };
0356 };
0357
0358 connector {
0359 compatible = "gpio-usb-b-connector", "usb-b-connector";
0360 label = "mini-USB";
0361 type = "mini";
0362
0363 /*
0364 * USB OTG is not yet working reliably, the ID detection
0365 * mechanism tends to fry easily for unknown reasons.
0366 * Until this is fixed, disable OTG by not providing the
0367 * ID GPIO to the driver.
0368 */
0369 //id-gpios = <&gpf 18 GPIO_ACTIVE_LOW>;
0370
0371 vbus-gpios = <&gpb 5 GPIO_ACTIVE_HIGH>;
0372 vbus-supply = <&otg_vbus>;
0373
0374 pinctrl-names = "default";
0375 pinctrl-0 = <&pins_otg>;
0376
0377 port {
0378 usb_ep: endpoint {
0379 remote-endpoint = <&usb_otg_ep>;
0380 };
0381 };
0382 };
0383 };
0384
0385 &ext {
0386 clock-frequency = <12000000>;
0387 };
0388
0389 &pinctrl {
0390 pins_lcd: lcd {
0391 function = "lcd";
0392 groups = "lcd-24bit";
0393 };
0394
0395 pins_uart2: uart2 {
0396 function = "uart2";
0397 groups = "uart2-data";
0398 };
0399
0400 pins_mmc0: mmc0 {
0401 function = "mmc0";
0402 groups = "mmc0-1bit-a", "mmc0-4bit-a";
0403 };
0404
0405 pins_mmc1: mmc1 {
0406 function = "mmc1";
0407 groups = "mmc1-1bit-d", "mmc1-4bit-d";
0408 };
0409
0410 pins_otg: otg {
0411 otg-vbus-pin {
0412 function = "otg";
0413 groups = "otg-vbus";
0414 };
0415
0416 vbus-pin {
0417 pins = "PB5";
0418 bias-disable;
0419 };
0420 };
0421
0422 pins_pwm1: pwm1 {
0423 function = "pwm1";
0424 groups = "pwm1";
0425 };
0426
0427 pins_pwm4: pwm4 {
0428 function = "pwm4";
0429 groups = "pwm4";
0430 };
0431 };
0432
0433 &uart2 {
0434 pinctrl-names = "default";
0435 pinctrl-0 = <&pins_uart2>;
0436
0437 status = "okay";
0438 };
0439
0440 &cgu {
0441 /*
0442 * Put high-speed peripherals under PLL1, such that we can change the
0443 * PLL0 frequency on demand without having to suspend peripherals.
0444 * We use a rate of 432 MHz, which is the least common multiple of
0445 * 27 MHz (required by TV encoder) and 48 MHz (required by USB host).
0446 * Put the GPU under PLL0 since we want a higher frequency.
0447 * Use the 32 kHz oscillator as the parent of the RTC for a higher
0448 * precision.
0449 */
0450 assigned-clocks =
0451 <&cgu JZ4770_CLK_PLL1>,
0452 <&cgu JZ4770_CLK_GPU>,
0453 <&cgu JZ4770_CLK_RTC>,
0454 <&cgu JZ4770_CLK_UHC>,
0455 <&cgu JZ4770_CLK_LPCLK_MUX>,
0456 <&cgu JZ4770_CLK_MMC0_MUX>,
0457 <&cgu JZ4770_CLK_MMC1_MUX>;
0458 assigned-clock-parents =
0459 <0>,
0460 <&cgu JZ4770_CLK_PLL0>,
0461 <&cgu JZ4770_CLK_OSC32K>,
0462 <&cgu JZ4770_CLK_PLL1>,
0463 <&cgu JZ4770_CLK_PLL1>,
0464 <&cgu JZ4770_CLK_PLL1>,
0465 <&cgu JZ4770_CLK_PLL1>;
0466 assigned-clock-rates =
0467 <432000000>,
0468 <600000000>;
0469 };
0470
0471 &uhc {
0472 /* The WiFi module is connected to the UHC. */
0473 status = "okay";
0474 };
0475
0476 &tcu {
0477 /*
0478 * 750 kHz for the system timer and clocksource, 12 MHz for the OST,
0479 * and use RTC as the parent for the watchdog clock
0480 */
0481 assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>,
0482 <&tcu TCU_CLK_OST>, <&tcu TCU_CLK_WDT>;
0483 assigned-clock-parents = <0>, <0>, <0>, <&cgu JZ4770_CLK_RTC>;
0484 assigned-clock-rates = <750000>, <750000>, <12000000>;
0485
0486 /* PWM1 is in use, so use channel #2 for the clocksource */
0487 ingenic,pwm-channels-mask = <0xfa>;
0488 };
0489
0490 &usb_otg {
0491 port {
0492 usb_otg_ep: endpoint {
0493 remote-endpoint = <&usb_ep>;
0494 };
0495 };
0496 };
0497
0498 &otg_phy {
0499 vcc-supply = <&ldo5>;
0500 };
0501
0502 &rtc {
0503 clocks = <&cgu JZ4770_CLK_RTC>;
0504 clock-names = "rtc";
0505
0506 system-power-controller;
0507 };
0508
0509 &mmc0 {
0510 status = "okay";
0511
0512 bus-width = <4>;
0513 max-frequency = <48000000>;
0514 vmmc-supply = <&vcc>;
0515 non-removable;
0516
0517 pinctrl-names = "default";
0518 pinctrl-0 = <&pins_mmc0>;
0519 };
0520
0521 &mmc1 {
0522 status = "okay";
0523
0524 bus-width = <4>;
0525 max-frequency = <48000000>;
0526 cd-gpios = <&gpb 2 GPIO_ACTIVE_LOW>;
0527 vmmc-supply = <&mmc1_power>;
0528
0529 pinctrl-names = "default";
0530 pinctrl-0 = <&pins_mmc1>;
0531 };
0532
0533 &lcd {
0534 pinctrl-names = "default";
0535 pinctrl-0 = <&pins_lcd>;
0536
0537 port {
0538 panel_output: endpoint {
0539 remote-endpoint = <&panel_input>;
0540 };
0541 };
0542 };
