1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>. 4 * Copyright (c) 2017 BayLibre, SAS 5 * Author: Neil Armstrong <narmstrong@baylibre.com> 6 */ 7 8/dts-v1/; 9 10#include <dt-bindings/input/input.h> 11#include <dt-bindings/thermal/thermal.h> 12 13#include "meson-gxm.dtsi" 14 15/ { 16 compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm"; 17 model = "Khadas VIM2"; 18 19 aliases { 20 serial0 = &uart_AO; 21 serial2 = &uart_AO_B; 22 }; 23 24 chosen { 25 stdout-path = "serial0:115200n8"; 26 }; 27 28 memory@0 { 29 device_type = "memory"; 30 reg = <0x0 0x0 0x0 0x80000000>; 31 }; 32 33 adc-keys { 34 compatible = "adc-keys"; 35 io-channels = <&saradc 0>; 36 io-channel-names = "buttons"; 37 keyup-threshold-microvolt = <1710000>; 38 39 button-function { 40 label = "Function"; 41 linux,code = <KEY_FN>; 42 press-threshold-microvolt = <10000>; 43 }; 44 }; 45 46 emmc_pwrseq: emmc-pwrseq { 47 compatible = "mmc-pwrseq-emmc"; 48 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; 49 }; 50 51 gpio_fan: gpio-fan { 52 compatible = "gpio-fan"; 53 gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH 54 &gpio GPIODV_15 GPIO_ACTIVE_HIGH>; 55 /* Dummy RPM values since fan is optional */ 56 gpio-fan,speed-map = <0 0 57 1 1 58 2 2 59 3 3>; 60 #cooling-cells = <2>; 61 }; 62 63 gpio-keys-polled { 64 compatible = "gpio-keys-polled"; 65 poll-interval = <100>; 66 67 power-button { 68 label = "power"; 69 linux,code = <KEY_POWER>; 70 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>; 71 }; 72 }; 73 74 hdmi-connector { 75 compatible = "hdmi-connector"; 76 type = "a"; 77 78 port { 79 hdmi_connector_in: endpoint { 80 remote-endpoint = <&hdmi_tx_tmds_out>; 81 }; 82 }; 83 }; 84 85 pwmleds { 86 compatible = "pwm-leds"; 87 88 power { 89 label = "vim:red:power"; 90 pwms = <&pwm_AO_ab 1 7812500 0>; 91 max-brightness = <255>; 92 linux,default-trigger = "default-on"; 93 }; 94 }; 95 96 sdio_pwrseq: sdio-pwrseq { 97 compatible = "mmc-pwrseq-simple"; 98 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; 99 clocks = <&wifi32k>; 100 clock-names = "ext_clock"; 101 }; 102 103 thermal-zones { 104 cpu-thermal { 105 polling-delay-passive = <250>; /* milliseconds */ 106 polling-delay = <1000>; /* milliseconds */ 107 108 thermal-sensors = <&scpi_sensors 0>; 109 110 trips { 111 cpu_alert0: cpu-alert0 { 112 temperature = <70000>; /* millicelsius */ 113 hysteresis = <2000>; /* millicelsius */ 114 type = "active"; 115 }; 116 117 cpu_alert1: cpu-alert1 { 118 temperature = <80000>; /* millicelsius */ 119 hysteresis = <2000>; /* millicelsius */ 120 type = "passive"; 121 }; 122 }; 123 124 cooling-maps { 125 map0 { 126 trip = <&cpu_alert0>; 127 cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>; 128 }; 129 130 map1 { 131 trip = <&cpu_alert1>; 132 cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>; 133 }; 134 135 map2 { 136 trip = <&cpu_alert1>; 137 cooling-device = 138 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; 139 }; 140 141 map3 { 142 trip = <&cpu_alert1>; 143 cooling-device = 144 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; 145 }; 146 }; 147 }; 148 }; 149 150 hdmi_5v: regulator-hdmi-5v { 151 compatible = "regulator-fixed"; 152 153 regulator-name = "HDMI_5V"; 154 regulator-min-microvolt = <5000000>; 155 regulator-max-microvolt = <5000000>; 156 157 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>; 158 enable-active-high; 159 regulator-always-on; 160 }; 161 162 vcc_3v3: regulator-vcc_3v3 { 163 compatible = "regulator-fixed"; 164 regulator-name = "VCC_3V3"; 165 regulator-min-microvolt = <3300000>; 166 regulator-max-microvolt = <3300000>; 167 }; 168 169 vddio_ao18: regulator-vddio_ao18 { 170 compatible = "regulator-fixed"; 171 regulator-name = "VDDIO_AO18"; 172 regulator-min-microvolt = <1800000>; 173 regulator-max-microvolt = <1800000>; 174 }; 175 176 vddio_boot: regulator-vddio_boot { 177 compatible = "regulator-fixed"; 178 regulator-name = "VDDIO_BOOT"; 179 regulator-min-microvolt = <1800000>; 180 regulator-max-microvolt = <1800000>; 181 }; 182 183 vddao_3v3: regulator-vddao_3v3 { 184 compatible = "regulator-fixed"; 185 regulator-name = "VDDAO_3V3"; 186 regulator-min-microvolt = <3300000>; 187 regulator-max-microvolt = <3300000>; 188 }; 189 190 wifi32k: wifi32k { 191 compatible = "pwm-clock"; 192 #clock-cells = <0>; 193 clock-frequency = <32768>; 194 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */ 195 }; 196}; 197 198&cec_AO { 199 status = "okay"; 200 pinctrl-0 = <&ao_cec_pins>; 201 pinctrl-names = "default"; 202 hdmi-phandle = <&hdmi_tx>; 203}; 204 205&cpu0 { 206 #cooling-cells = <2>; 207}; 208 209&cpu1 { 210 #cooling-cells = <2>; 211}; 212 213&cpu2 { 214 #cooling-cells = <2>; 215}; 216 217&cpu3 { 218 #cooling-cells = <2>; 219}; 220 221&cpu4 { 222 #cooling-cells = <2>; 223}; 224 225&cpu5 { 226 #cooling-cells = <2>; 227}; 228 229&cpu6 { 230 #cooling-cells = <2>; 231}; 232 233&cpu7 { 234 #cooling-cells = <2>; 235}; 236 237ðmac { 238 pinctrl-0 = <ð_pins>; 239 pinctrl-names = "default"; 240 241 /* Select external PHY by default */ 242 phy-handle = <&external_phy>; 243 244 amlogic,tx-delay-ns = <2>; 245 246 /* External PHY reset is shared with internal PHY Led signals */ 247 snps,reset-gpio = <&gpio GPIOZ_14 0>; 248 snps,reset-delays-us = <0 10000 1000000>; 249 snps,reset-active-low; 250 251 /* External PHY is in RGMII */ 252 phy-mode = "rgmii"; 253 254 status = "okay"; 255}; 256 257&external_mdio { 258 external_phy: ethernet-phy@0 { 259 /* Realtek RTL8211F (0x001cc916) */ 260 reg = <0>; 261 interrupt-parent = <&gpio_intc>; 262 /* MAC_INTR on GPIOZ_15 */ 263 interrupts = <25 IRQ_TYPE_LEVEL_LOW>; 264 }; 265}; 266 267&hdmi_tx { 268 status = "okay"; 269 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>; 270 pinctrl-names = "default"; 271 hdmi-supply = <&hdmi_5v>; 272}; 273 274&hdmi_tx_tmds_port { 275 hdmi_tx_tmds_out: endpoint { 276 remote-endpoint = <&hdmi_connector_in>; 277 }; 278}; 279 280&i2c_A { 281 status = "okay"; 282 pinctrl-0 = <&i2c_a_pins>; 283 pinctrl-names = "default"; 284}; 285 286&i2c_B { 287 status = "okay"; 288 pinctrl-0 = <&i2c_b_pins>; 289 pinctrl-names = "default"; 290 291 rtc: rtc@51 { 292 /* has to be enabled manually when a battery is connected: */ 293 status = "disabled"; 294 compatible = "haoyu,hym8563"; 295 reg = <0x51>; 296 #clock-cells = <0>; 297 clock-frequency = <32768>; 298 clock-output-names = "xin32k"; 299 }; 300}; 301 302&ir { 303 status = "okay"; 304 pinctrl-0 = <&remote_input_ao_pins>; 305 pinctrl-names = "default"; 306 linux,rc-map-name = "rc-geekbox"; 307}; 308 309&pwm_AO_ab { 310 status = "okay"; 311 pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>; 312 pinctrl-names = "default"; 313 clocks = <&clkc CLKID_FCLK_DIV4>; 314 clock-names = "clkin0"; 315}; 316 317&pwm_ef { 318 status = "okay"; 319 pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>; 320 pinctrl-names = "default"; 321 clocks = <&clkc CLKID_FCLK_DIV4>; 322 clock-names = "clkin0"; 323}; 324 325&sd_emmc_a { 326 status = "okay"; 327 pinctrl-0 = <&sdio_pins>; 328 pinctrl-names = "default"; 329 #address-cells = <1>; 330 #size-cells = <0>; 331 332 bus-width = <4>; 333 max-frequency = <100000000>; 334 335 non-removable; 336 disable-wp; 337 338 mmc-pwrseq = <&sdio_pwrseq>; 339 340 vmmc-supply = <&vddao_3v3>; 341 vqmmc-supply = <&vddio_boot>; 342 343 brcmf: wifi@1 { 344 reg = <1>; 345 compatible = "brcm,bcm4329-fmac"; 346 }; 347}; 348 349/* SD card */ 350&sd_emmc_b { 351 status = "okay"; 352 pinctrl-0 = <&sdcard_pins>; 353 pinctrl-names = "default"; 354 355 bus-width = <4>; 356 cap-sd-highspeed; 357 max-frequency = <100000000>; 358 disable-wp; 359 360 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>; 361 cd-inverted; 362 363 vmmc-supply = <&vddao_3v3>; 364 vqmmc-supply = <&vddio_boot>; 365}; 366 367/* eMMC */ 368&sd_emmc_c { 369 status = "okay"; 370 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; 371 pinctrl-names = "default"; 372 373 bus-width = <8>; 374 cap-sd-highspeed; 375 cap-mmc-highspeed; 376 max-frequency = <200000000>; 377 non-removable; 378 disable-wp; 379 mmc-ddr-1_8v; 380 mmc-hs200-1_8v; 381 mmc-hs400-1_8v; 382 383 mmc-pwrseq = <&emmc_pwrseq>; 384 vmmc-supply = <&vcc_3v3>; 385 vqmmc-supply = <&vddio_boot>; 386}; 387 388/* 389 * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe 390 * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled 391 */ 392&spifc { 393 status = "disabled"; 394 pinctrl-0 = <&nor_pins>; 395 pinctrl-names = "default"; 396 397 w25q32: spi-flash@0 { 398 #address-cells = <1>; 399 #size-cells = <1>; 400 compatible = "winbond,w25q16", "jedec,spi-nor"; 401 reg = <0>; 402 spi-max-frequency = <3000000>; 403 }; 404}; 405 406/* This one is connected to the Bluetooth module */ 407&uart_A { 408 status = "okay"; 409 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>; 410 pinctrl-names = "default"; 411 uart-has-rtscts; 412 413 bluetooth { 414 compatible = "brcm,bcm43438-bt"; 415 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>; 416 max-speed = <2000000>; 417 clocks = <&wifi32k>; 418 clock-names = "lpo"; 419 }; 420}; 421 422/* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */ 423&uart_AO { 424 status = "okay"; 425 pinctrl-0 = <&uart_ao_a_pins>; 426 pinctrl-names = "default"; 427}; 428 429/* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */ 430&uart_AO_B { 431 status = "okay"; 432 pinctrl-0 = <&uart_ao_b_pins>; 433 pinctrl-names = "default"; 434}; 435 436&saradc { 437 status = "okay"; 438 vref-supply = <&vddio_ao18>; 439}; 440 441&usb0 { 442 status = "okay"; 443}; 444