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                                                          <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 134                                                          <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 135                                                          <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 136                                                          <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 137                                                          <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 138                                                          <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 139                                                          <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 140                                                          <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 141                                 };
 142                         };
 143                 };
 144         };
 145
 146         hdmi_5v: regulator-hdmi-5v {
 147                 compatible = "regulator-fixed";
 148
 149                 regulator-name = "HDMI_5V";
 150                 regulator-min-microvolt = <5000000>;
 151                 regulator-max-microvolt = <5000000>;
 152
 153                 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
 154                 enable-active-high;
 155                 regulator-always-on;
 156         };
 157
 158         vcc_3v3: regulator-vcc_3v3 {
 159                 compatible = "regulator-fixed";
 160                 regulator-name = "VCC_3V3";
 161                 regulator-min-microvolt = <3300000>;
 162                 regulator-max-microvolt = <3300000>;
 163         };
 164
 165         vddio_ao18: regulator-vddio_ao18 {
 166                 compatible = "regulator-fixed";
 167                 regulator-name = "VDDIO_AO18";
 168                 regulator-min-microvolt = <1800000>;
 169                 regulator-max-microvolt = <1800000>;
 170         };
 171
 172         vddio_boot: regulator-vddio_boot {
 173                 compatible = "regulator-fixed";
 174                 regulator-name = "VDDIO_BOOT";
 175                 regulator-min-microvolt = <1800000>;
 176                 regulator-max-microvolt = <1800000>;
 177         };
 178
 179         vddao_3v3: regulator-vddao_3v3 {
 180                 compatible = "regulator-fixed";
 181                 regulator-name = "VDDAO_3V3";
 182                 regulator-min-microvolt = <3300000>;
 183                 regulator-max-microvolt = <3300000>;
 184         };
 185
 186         wifi32k: wifi32k {
 187                 compatible = "pwm-clock";
 188                 #clock-cells = <0>;
 189                 clock-frequency = <32768>;
 190                 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
 191         };
 192 };
 193
 194 &cec_AO {
 195         status = "okay";
 196         pinctrl-0 = <&ao_cec_pins>;
 197         pinctrl-names = "default";
 198         hdmi-phandle = <&hdmi_tx>;
 199 };
 200
 201 &cpu0 {
 202         #cooling-cells = <2>;
 203 };
 204
 205 &cpu1 {
 206         #cooling-cells = <2>;
 207 };
 208
 209 &cpu2 {
 210         #cooling-cells = <2>;
 211 };
 212
 213 &cpu3 {
 214         #cooling-cells = <2>;
 215 };
 216
 217 &cpu4 {
 218         #cooling-cells = <2>;
 219 };
 220
 221 &cpu5 {
 222         #cooling-cells = <2>;
 223 };
 224
 225 &cpu6 {
 226         #cooling-cells = <2>;
 227 };
 228
 229 &cpu7 {
 230         #cooling-cells = <2>;
 231 };
 232
 233 &ethmac {
 234         pinctrl-0 = <&eth_pins>;
 235         pinctrl-names = "default";
 236
 237         /* Select external PHY by default */
 238         phy-handle = <&external_phy>;
 239
 240         amlogic,tx-delay-ns = <2>;
 241
 242         /* External PHY is in RGMII */
 243         phy-mode = "rgmii";
 244
 245         status = "okay";
 246 };
 247
 248 &external_mdio {
 249         external_phy: ethernet-phy@0 {
 250                 /* Realtek RTL8211F (0x001cc916) */
 251                 reg = <0>;
 252
 253                 reset-assert-us = <10000>;
 254                 reset-deassert-us = <30000>;
 255                 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
 256
 257                 interrupt-parent = <&gpio_intc>;
 258                 /* MAC_INTR on GPIOZ_15 */
 259                 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
 260         };
 261 };
 262
 263 &hdmi_tx {
 264         status = "okay";
 265         pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
 266         pinctrl-names = "default";
 267         hdmi-supply = <&hdmi_5v>;
 268 };
 269
 270 &hdmi_tx_tmds_port {
 271         hdmi_tx_tmds_out: endpoint {
 272                 remote-endpoint = <&hdmi_connector_in>;
 273         };
 274 };
 275
 276 &i2c_A {
 277         status = "okay";
 278         pinctrl-0 = <&i2c_a_pins>;
 279         pinctrl-names = "default";
 280 };
 281
 282 &i2c_B {
 283         status = "okay";
 284         pinctrl-0 = <&i2c_b_pins>;
 285         pinctrl-names = "default";
 286
 287         rtc: rtc@51 {
 288                 /* has to be enabled manually when a battery is connected: */
 289                 status = "disabled";
 290                 compatible = "haoyu,hym8563";
 291                 reg = <0x51>;
 292                 #clock-cells = <0>;
 293                 clock-frequency = <32768>;
 294                 clock-output-names = "xin32k";
 295         };
 296 };
 297
 298 &ir {
 299         status = "okay";
 300         pinctrl-0 = <&remote_input_ao_pins>;
 301         pinctrl-names = "default";
 302         linux,rc-map-name = "rc-geekbox";
 303 };
 304
 305 &pwm_AO_ab {
 306         status = "okay";
 307         pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
 308         pinctrl-names = "default";
 309         clocks = <&clkc CLKID_FCLK_DIV4>;
 310         clock-names = "clkin0";
 311 };
 312
 313 &pwm_ef {
 314         status = "okay";
 315         pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
 316         pinctrl-names = "default";
 317         clocks = <&clkc CLKID_FCLK_DIV4>;
 318         clock-names = "clkin0";
 319 };
 320
 321 &sd_emmc_a {
 322         status = "okay";
 323         pinctrl-0 = <&sdio_pins>;
 324         pinctrl-1 = <&sdio_clk_gate_pins>;
 325         pinctrl-names = "default", "clk-gate";
 326         #address-cells = <1>;
 327         #size-cells = <0>;
 328
 329         bus-width = <4>;
 330         max-frequency = <50000000>;
 331
 332         non-removable;
 333         disable-wp;
 334
 335         mmc-pwrseq = <&sdio_pwrseq>;
 336
 337         vmmc-supply = <&vddao_3v3>;
 338         vqmmc-supply = <&vddio_boot>;
 339
 340         brcmf: wifi@1 {
 341                 reg = <1>;
 342                 compatible = "brcm,bcm4329-fmac";
 343         };
 344 };
 345
 346 /* SD card */
 347 &sd_emmc_b {
 348         status = "okay";
 349         pinctrl-0 = <&sdcard_pins>;
 350         pinctrl-1 = <&sdcard_clk_gate_pins>;
 351         pinctrl-names = "default", "clk-gate";
 352
 353         bus-width = <4>;
 354         cap-sd-highspeed;
 355         max-frequency = <50000000>;
 356         disable-wp;
 357
 358         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
 359
 360         vmmc-supply = <&vddao_3v3>;
 361         vqmmc-supply = <&vddio_boot>;
 362 };
 363
 364 /* eMMC */
 365 &sd_emmc_c {
 366         status = "okay";
 367         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 368         pinctrl-1 = <&emmc_clk_gate_pins>;
 369         pinctrl-names = "default", "clk-gate";
 370
 371         bus-width = <8>;
 372         cap-mmc-highspeed;
 373         max-frequency = <200000000>;
 374         non-removable;
 375         disable-wp;
 376         mmc-ddr-1_8v;
 377         mmc-hs200-1_8v;
 378
 379         mmc-pwrseq = <&emmc_pwrseq>;
 380         vmmc-supply = <&vcc_3v3>;
 381         vqmmc-supply = <&vddio_boot>;
 382 };
 383
 384 /*
 385  * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
 386  * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
 387  */
 388 &spifc {
 389         status = "disabled";
 390         pinctrl-0 = <&nor_pins>;
 391         pinctrl-names = "default";
 392
 393         w25q32: spi-flash@0 {
 394                 #address-cells = <1>;
 395                 #size-cells = <1>;
 396                 compatible = "winbond,w25q16", "jedec,spi-nor";
 397                 reg = <0>;
 398                 spi-max-frequency = <3000000>;
 399         };
 400 };
 401
 402 /* This one is connected to the Bluetooth module */
 403 &uart_A {
 404         status = "okay";
 405         pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
 406         pinctrl-names = "default";
 407         uart-has-rtscts;
 408
 409         bluetooth {
 410                 compatible = "brcm,bcm43438-bt";
 411                 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
 412         };
 413 };
 414
 415 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 416 &uart_AO {
 417         status = "okay";
 418         pinctrl-0 = <&uart_ao_a_pins>;
 419         pinctrl-names = "default";
 420 };
 421
 422 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 423 &uart_AO_B {
 424         status = "okay";
 425         pinctrl-0 = <&uart_ao_b_pins>;
 426         pinctrl-names = "default";
 427 };
 428
 429 &saradc {
 430         status = "okay";
 431         vref-supply = <&vddio_ao18>;
 432 };
 433
 434 &usb0 {
 435         status = "okay";
 436 };