arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts

   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
 237 &ethmac {
 238         pinctrl-0 = <&eth_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 = <104000000>;
 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 };