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                 serial1 = &uart_A;
  22                 serial2 = &uart_AO_B;
  23         };
  24
  25         chosen {
  26                 stdout-path = "serial0:115200n8";
  27         };
  28
  29         memory@0 {
  30                 device_type = "memory";
  31                 reg = <0x0 0x0 0x0 0x80000000>;
  32         };
  33
  34         adc-keys {
  35                 compatible = "adc-keys";
  36                 io-channels = <&saradc 0>;
  37                 io-channel-names = "buttons";
  38                 keyup-threshold-microvolt = <1710000>;
  39
  40                 button-function {
  41                         label = "Function";
  42                         linux,code = <KEY_FN>;
  43                         press-threshold-microvolt = <10000>;
  44                 };
  45         };
  46
  47         emmc_pwrseq: emmc-pwrseq {
  48                 compatible = "mmc-pwrseq-emmc";
  49                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
  50         };
  51
  52         gpio_fan: gpio-fan {
  53                 compatible = "gpio-fan";
  54                 gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH
  55                          &gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
  56                 /* Dummy RPM values since fan is optional */
  57                 gpio-fan,speed-map = <0 0
  58                                       1 1
  59                                       2 2
  60                                       3 3>;
  61                 #cooling-cells = <2>;
  62         };
  63
  64         gpio-keys-polled {
  65                 compatible = "gpio-keys-polled";
  66                 #address-cells = <1>;
  67                 #size-cells = <0>;
  68                 poll-interval = <100>;
  69
  70                 button@0 {
  71                         label = "power";
  72                         linux,code = <KEY_POWER>;
  73                         gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
  74                 };
  75         };
  76
  77         hdmi-connector {
  78                 compatible = "hdmi-connector";
  79                 type = "a";
  80
  81                 port {
  82                         hdmi_connector_in: endpoint {
  83                                 remote-endpoint = <&hdmi_tx_tmds_out>;
  84                         };
  85                 };
  86         };
  87
  88         pwmleds {
  89                 compatible = "pwm-leds";
  90
  91                 power {
  92                         label = "vim:red:power";
  93                         pwms = <&pwm_AO_ab 1 7812500 0>;
  94                         max-brightness = <255>;
  95                         linux,default-trigger = "default-on";
  96                 };
  97         };
  98
  99         sdio_pwrseq: sdio-pwrseq {
 100                 compatible = "mmc-pwrseq-simple";
 101                 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
 102                 clocks = <&wifi32k>;
 103                 clock-names = "ext_clock";
 104         };
 105
 106         thermal-zones {
 107                 cpu-thermal {
 108                         polling-delay-passive = <250>; /* milliseconds */
 109                         polling-delay = <1000>; /* milliseconds */
 110
 111                         thermal-sensors = <&scpi_sensors 0>;
 112
 113                         trips {
 114                                 cpu_alert0: cpu-alert0 {
 115                                         temperature = <70000>; /* millicelsius */
 116                                         hysteresis = <2000>; /* millicelsius */
 117                                         type = "active";
 118                                 };
 119
 120                                 cpu_alert1: cpu-alert1 {
 121                                         temperature = <80000>; /* millicelsius */
 122                                         hysteresis = <2000>; /* millicelsius */
 123                                         type = "passive";
 124                                 };
 125                         };
 126
 127                         cooling-maps {
 128                                 map0 {
 129                                         trip = <&cpu_alert0>;
 130                                         cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
 131                                 };
 132
 133                                 map1 {
 134                                         trip = <&cpu_alert1>;
 135                                         cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>,
 136                                                          <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 137                                                          <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 138                                                          <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 139                                                          <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 140                                                          <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 141                                                          <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 142                                                          <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 143                                                          <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 144                                 };
 145                         };
 146                 };
 147         };
 148
 149         hdmi_5v: regulator-hdmi-5v {
 150                 compatible = "regulator-fixed";
 151
 152                 regulator-name = "HDMI_5V";
 153                 regulator-min-microvolt = <5000000>;
 154                 regulator-max-microvolt = <5000000>;
 155
 156                 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
 157                 enable-active-high;
 158                 regulator-always-on;
 159         };
 160
 161         vcc_3v3: regulator-vcc_3v3 {
 162                 compatible = "regulator-fixed";
 163                 regulator-name = "VCC_3V3";
 164                 regulator-min-microvolt = <3300000>;
 165                 regulator-max-microvolt = <3300000>;
 166         };
 167
 168         vddio_ao18: regulator-vddio_ao18 {
 169                 compatible = "regulator-fixed";
 170                 regulator-name = "VDDIO_AO18";
 171                 regulator-min-microvolt = <1800000>;
 172                 regulator-max-microvolt = <1800000>;
 173         };
 174
 175         vddio_boot: regulator-vddio_boot {
 176                 compatible = "regulator-fixed";
 177                 regulator-name = "VDDIO_BOOT";
 178                 regulator-min-microvolt = <1800000>;
 179                 regulator-max-microvolt = <1800000>;
 180         };
 181
 182         vddao_3v3: regulator-vddao_3v3 {
 183                 compatible = "regulator-fixed";
 184                 regulator-name = "VDDAO_3V3";
 185                 regulator-min-microvolt = <3300000>;
 186                 regulator-max-microvolt = <3300000>;
 187         };
 188
 189         wifi32k: wifi32k {
 190                 compatible = "pwm-clock";
 191                 #clock-cells = <0>;
 192                 clock-frequency = <32768>;
 193                 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
 194         };
 195 };
 196
 197 &cec_AO {
 198         status = "okay";
 199         pinctrl-0 = <&ao_cec_pins>;
 200         pinctrl-names = "default";
 201         hdmi-phandle = <&hdmi_tx>;
 202 };
 203
 204 &cpu0 {
 205         #cooling-cells = <2>;
 206 };
 207
 208 &cpu1 {
 209         #cooling-cells = <2>;
 210 };
 211
 212 &cpu2 {
 213         #cooling-cells = <2>;
 214 };
 215
 216 &cpu3 {
 217         #cooling-cells = <2>;
 218 };
 219
 220 &cpu4 {
 221         #cooling-cells = <2>;
 222 };
 223
 224 &cpu5 {
 225         #cooling-cells = <2>;
 226 };
 227
 228 &cpu6 {
 229         #cooling-cells = <2>;
 230 };
 231
 232 &cpu7 {
 233         #cooling-cells = <2>;
 234 };
 235
 236 &ethmac {
 237         pinctrl-0 = <&eth_pins>;
 238         pinctrl-names = "default";
 239
 240         /* Select external PHY by default */
 241         phy-handle = <&external_phy>;
 242
 243         amlogic,tx-delay-ns = <2>;
 244
 245         /* External PHY reset is shared with internal PHY Led signals */
 246         snps,reset-gpio = <&gpio GPIOZ_14 0>;
 247         snps,reset-delays-us = <0 10000 1000000>;
 248         snps,reset-active-low;
 249
 250         /* External PHY is in RGMII */
 251         phy-mode = "rgmii";
 252
 253         status = "okay";
 254 };
 255
 256 &external_mdio {
 257         external_phy: ethernet-phy@0 {
 258                 /* Realtek RTL8211F (0x001cc916) */
 259                 reg = <0>;
 260                 interrupt-parent = <&gpio_intc>;
 261                 /* MAC_INTR on GPIOZ_15 */
 262                 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
 263         };
 264 };
 265
 266 &hdmi_tx {
 267         status = "okay";
 268         pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
 269         pinctrl-names = "default";
 270         hdmi-supply = <&hdmi_5v>;
 271 };
 272
 273 &hdmi_tx_tmds_port {
 274         hdmi_tx_tmds_out: endpoint {
 275                 remote-endpoint = <&hdmi_connector_in>;
 276         };
 277 };
 278
 279 &i2c_A {
 280         status = "okay";
 281         pinctrl-0 = <&i2c_a_pins>;
 282         pinctrl-names = "default";
 283 };
 284
 285 &i2c_B {
 286         status = "okay";
 287         pinctrl-0 = <&i2c_b_pins>;
 288         pinctrl-names = "default";
 289
 290         rtc: rtc@51 {
 291                 /* has to be enabled manually when a battery is connected: */
 292                 status = "disabled";
 293                 compatible = "haoyu,hym8563";
 294                 reg = <0x51>;
 295                 #clock-cells = <0>;
 296                 clock-frequency = <32768>;
 297                 clock-output-names = "xin32k";
 298         };
 299 };
 300
 301 &ir {
 302         status = "okay";
 303         pinctrl-0 = <&remote_input_ao_pins>;
 304         pinctrl-names = "default";
 305         linux,rc-map-name = "rc-geekbox";
 306 };
 307
 308 &pwm_AO_ab {
 309         status = "okay";
 310         pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
 311         pinctrl-names = "default";
 312         clocks = <&clkc CLKID_FCLK_DIV4>;
 313         clock-names = "clkin0";
 314 };
 315
 316 &pwm_ef {
 317         status = "okay";
 318         pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
 319         pinctrl-names = "default";
 320         clocks = <&clkc CLKID_FCLK_DIV4>;
 321         clock-names = "clkin0";
 322 };
 323
 324 &sd_emmc_a {
 325         status = "okay";
 326         pinctrl-0 = <&sdio_pins>;
 327         pinctrl-names = "default";
 328         #address-cells = <1>;
 329         #size-cells = <0>;
 330
 331         bus-width = <4>;
 332         max-frequency = <100000000>;
 333
 334         non-removable;
 335         disable-wp;
 336
 337         mmc-pwrseq = <&sdio_pwrseq>;
 338
 339         vmmc-supply = <&vddao_3v3>;
 340         vqmmc-supply = <&vddio_boot>;
 341
 342         brcmf: wifi@1 {
 343                 reg = <1>;
 344                 compatible = "brcm,bcm4329-fmac";
 345         };
 346 };
 347
 348 /* SD card */
 349 &sd_emmc_b {
 350         status = "okay";
 351         pinctrl-0 = <&sdcard_pins>;
 352         pinctrl-names = "default";
 353
 354         bus-width = <4>;
 355         cap-sd-highspeed;
 356         max-frequency = <100000000>;
 357         disable-wp;
 358
 359         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
 360         cd-inverted;
 361
 362         vmmc-supply = <&vddao_3v3>;
 363         vqmmc-supply = <&vddio_boot>;
 364 };
 365
 366 /* eMMC */
 367 &sd_emmc_c {
 368         status = "okay";
 369         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 370         pinctrl-names = "default";
 371
 372         bus-width = <8>;
 373         cap-sd-highspeed;
 374         cap-mmc-highspeed;
 375         max-frequency = <200000000>;
 376         non-removable;
 377         disable-wp;
 378         mmc-ddr-1_8v;
 379         mmc-hs200-1_8v;
 380         mmc-hs400-1_8v;
 381
 382         mmc-pwrseq = <&emmc_pwrseq>;
 383         vmmc-supply = <&vcc_3v3>;
 384         vqmmc-supply = <&vddio_boot>;
 385 };
 386
 387 /*
 388  * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
 389  * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
 390  */
 391 &spifc {
 392         status = "disabled";
 393         pinctrl-0 = <&nor_pins>;
 394         pinctrl-names = "default";
 395
 396         w25q32: spi-flash@0 {
 397                 #address-cells = <1>;
 398                 #size-cells = <1>;
 399                 compatible = "winbond,w25q16", "jedec,spi-nor";
 400                 reg = <0>;
 401                 spi-max-frequency = <3000000>;
 402         };
 403 };
 404
 405 /* This one is connected to the Bluetooth module */
 406 &uart_A {
 407         status = "okay";
 408         pinctrl-0 = <&uart_a_pins>;
 409         pinctrl-names = "default";
 410 };
 411
 412 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 413 &uart_AO {
 414         status = "okay";
 415         pinctrl-0 = <&uart_ao_a_pins>;
 416         pinctrl-names = "default";
 417 };
 418
 419 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 420 &uart_AO_B {
 421         status = "okay";
 422         pinctrl-0 = <&uart_ao_b_pins>;
 423         pinctrl-names = "default";
 424 };
 425
 426 &saradc {
 427         status = "okay";
 428         vref-supply = <&vddio_ao18>;
 429 };
 430
 431 &usb0 {
 432         status = "okay";
 433 };