arch/arm/dts/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                                 };
 137
 138                                 map2 {
 139                                         trip = <&cpu_alert1>;
 140                                         cooling-device =
 141                                                 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 142                                 };
 143
 144                                 map3 {
 145                                         trip = <&cpu_alert1>;
 146                                         cooling-device =
 147                                                 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 148                                 };
 149                         };
 150                 };
 151         };
 152
 153         hdmi_5v: regulator-hdmi-5v {
 154                 compatible = "regulator-fixed";
 155
 156                 regulator-name = "HDMI_5V";
 157                 regulator-min-microvolt = <5000000>;
 158                 regulator-max-microvolt = <5000000>;
 159
 160                 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
 161                 enable-active-high;
 162                 regulator-always-on;
 163         };
 164
 165         vcc_3v3: regulator-vcc_3v3 {
 166                 compatible = "regulator-fixed";
 167                 regulator-name = "VCC_3V3";
 168                 regulator-min-microvolt = <3300000>;
 169                 regulator-max-microvolt = <3300000>;
 170         };
 171
 172         vddio_ao18: regulator-vddio_ao18 {
 173                 compatible = "regulator-fixed";
 174                 regulator-name = "VDDIO_AO18";
 175                 regulator-min-microvolt = <1800000>;
 176                 regulator-max-microvolt = <1800000>;
 177         };
 178
 179         vddio_boot: regulator-vddio_boot {
 180                 compatible = "regulator-fixed";
 181                 regulator-name = "VDDIO_BOOT";
 182                 regulator-min-microvolt = <1800000>;
 183                 regulator-max-microvolt = <1800000>;
 184         };
 185
 186         vddao_3v3: regulator-vddao_3v3 {
 187                 compatible = "regulator-fixed";
 188                 regulator-name = "VDDAO_3V3";
 189                 regulator-min-microvolt = <3300000>;
 190                 regulator-max-microvolt = <3300000>;
 191         };
 192
 193         wifi32k: wifi32k {
 194                 compatible = "pwm-clock";
 195                 #clock-cells = <0>;
 196                 clock-frequency = <32768>;
 197                 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
 198         };
 199 };
 200
 201 &cec_AO {
 202         status = "okay";
 203         pinctrl-0 = <&ao_cec_pins>;
 204         pinctrl-names = "default";
 205         hdmi-phandle = <&hdmi_tx>;
 206 };
 207
 208 &cpu0 {
 209         #cooling-cells = <2>;
 210 };
 211
 212 &cpu4 {
 213         #cooling-cells = <2>;
 214 };
 215
 216 &ethmac {
 217         pinctrl-0 = <&eth_pins>;
 218         pinctrl-names = "default";
 219
 220         /* Select external PHY by default */
 221         phy-handle = <&external_phy>;
 222
 223         amlogic,tx-delay-ns = <2>;
 224
 225         /* External PHY reset is shared with internal PHY Led signals */
 226         snps,reset-gpio = <&gpio GPIOZ_14 0>;
 227         snps,reset-delays-us = <0 10000 1000000>;
 228         snps,reset-active-low;
 229
 230         /* External PHY is in RGMII */
 231         phy-mode = "rgmii";
 232
 233         status = "okay";
 234 };
 235
 236 &external_mdio {
 237         external_phy: ethernet-phy@0 {
 238                 /* Realtek RTL8211F (0x001cc916) */
 239                 reg = <0>;
 240                 interrupt-parent = <&gpio_intc>;
 241                 /* MAC_INTR on GPIOZ_15 */
 242                 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
 243         };
 244 };
 245
 246 &hdmi_tx {
 247         status = "okay";
 248         pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
 249         pinctrl-names = "default";
 250 };
 251
 252 &hdmi_tx_tmds_port {
 253         hdmi_tx_tmds_out: endpoint {
 254                 remote-endpoint = <&hdmi_connector_in>;
 255         };
 256 };
 257
 258 &i2c_A {
 259         status = "okay";
 260         pinctrl-0 = <&i2c_a_pins>;
 261         pinctrl-names = "default";
 262 };
 263
 264 &i2c_B {
 265         status = "okay";
 266         pinctrl-0 = <&i2c_b_pins>;
 267         pinctrl-names = "default";
 268
 269         rtc: rtc@51 {
 270                 /* has to be enabled manually when a battery is connected: */
 271                 status = "disabled";
 272                 compatible = "haoyu,hym8563";
 273                 reg = <0x51>;
 274                 #clock-cells = <0>;
 275                 clock-frequency = <32768>;
 276                 clock-output-names = "xin32k";
 277         };
 278 };
 279
 280 &ir {
 281         status = "okay";
 282         pinctrl-0 = <&remote_input_ao_pins>;
 283         pinctrl-names = "default";
 284         linux,rc-map-name = "rc-geekbox";
 285 };
 286
 287 &pwm_AO_ab {
 288         status = "okay";
 289         pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
 290         pinctrl-names = "default";
 291         clocks = <&clkc CLKID_FCLK_DIV4>;
 292         clock-names = "clkin0";
 293 };
 294
 295 &pwm_ef {
 296         status = "okay";
 297         pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
 298         pinctrl-names = "default";
 299         clocks = <&clkc CLKID_FCLK_DIV4>;
 300         clock-names = "clkin0";
 301 };
 302
 303 &sd_emmc_a {
 304         status = "okay";
 305         pinctrl-0 = <&sdio_pins>;
 306         pinctrl-names = "default";
 307         #address-cells = <1>;
 308         #size-cells = <0>;
 309
 310         bus-width = <4>;
 311         max-frequency = <100000000>;
 312
 313         non-removable;
 314         disable-wp;
 315
 316         mmc-pwrseq = <&sdio_pwrseq>;
 317
 318         vmmc-supply = <&vddao_3v3>;
 319         vqmmc-supply = <&vddio_boot>;
 320
 321         brcmf: wifi@1 {
 322                 reg = <1>;
 323                 compatible = "brcm,bcm4329-fmac";
 324         };
 325 };
 326
 327 /* SD card */
 328 &sd_emmc_b {
 329         status = "okay";
 330         pinctrl-0 = <&sdcard_pins>;
 331         pinctrl-names = "default";
 332
 333         bus-width = <4>;
 334         cap-sd-highspeed;
 335         max-frequency = <100000000>;
 336         disable-wp;
 337
 338         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
 339         cd-inverted;
 340
 341         vmmc-supply = <&vddao_3v3>;
 342         vqmmc-supply = <&vddio_boot>;
 343 };
 344
 345 /* eMMC */
 346 &sd_emmc_c {
 347         status = "okay";
 348         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 349         pinctrl-names = "default";
 350
 351         bus-width = <8>;
 352         cap-sd-highspeed;
 353         cap-mmc-highspeed;
 354         max-frequency = <200000000>;
 355         non-removable;
 356         disable-wp;
 357         mmc-ddr-1_8v;
 358         mmc-hs200-1_8v;
 359         mmc-hs400-1_8v;
 360
 361         mmc-pwrseq = <&emmc_pwrseq>;
 362         vmmc-supply = <&vcc_3v3>;
 363         vqmmc-supply = <&vddio_boot>;
 364 };
 365
 366 /*
 367  * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
 368  * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
 369  */
 370 &spifc {
 371         status = "disabled";
 372         pinctrl-0 = <&nor_pins>;
 373         pinctrl-names = "default";
 374
 375         w25q32: spi-flash@0 {
 376                 #address-cells = <1>;
 377                 #size-cells = <1>;
 378                 compatible = "winbond,w25q16", "jedec,spi-nor";
 379                 reg = <0>;
 380                 spi-max-frequency = <3000000>;
 381         };
 382 };
 383
 384 /* This one is connected to the Bluetooth module */
 385 &uart_A {
 386         status = "okay";
 387         pinctrl-0 = <&uart_a_pins>;
 388         pinctrl-names = "default";
 389 };
 390
 391 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 392 &uart_AO {
 393         status = "okay";
 394         pinctrl-0 = <&uart_ao_a_pins>;
 395         pinctrl-names = "default";
 396 };
 397
 398 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 399 &uart_AO_B {
 400         status = "okay";
 401         pinctrl-0 = <&uart_ao_b_pins>;
 402         pinctrl-names = "default";
 403 };
 404
 405 &saradc {
 406         status = "okay";
 407         vref-supply = <&vddio_ao18>;
 408 };
 409
 410 &usb0 {
 411         status = "okay";
 412 };