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

   1 /*
   2  * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
   3  * Copyright (c) 2017 BayLibre, SAS
   4  * Author: Neil Armstrong <narmstrong@baylibre.com>
   5  *
   6  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   7  */
   8
   9 /dts-v1/;
  10
  11 #include <dt-bindings/input/input.h>
  12 #include <dt-bindings/thermal/thermal.h>
  13
  14 #include "meson-gxm.dtsi"
  15
  16 / {
  17         compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
  18         model = "Khadas VIM2";
  19
  20         aliases {
  21                 serial0 = &uart_AO;
  22                 serial1 = &uart_A;
  23                 serial2 = &uart_AO_B;
  24         };
  25
  26         chosen {
  27                 stdout-path = "serial0:115200n8";
  28         };
  29
  30         memory@0 {
  31                 device_type = "memory";
  32                 reg = <0x0 0x0 0x0 0x80000000>;
  33         };
  34
  35         adc-keys {
  36                 compatible = "adc-keys";
  37                 io-channels = <&saradc 0>;
  38                 io-channel-names = "buttons";
  39                 keyup-threshold-microvolt = <1710000>;
  40
  41                 button-function {
  42                         label = "Function";
  43                         linux,code = <KEY_FN>;
  44                         press-threshold-microvolt = <10000>;
  45                 };
  46         };
  47
  48         emmc_pwrseq: emmc-pwrseq {
  49                 compatible = "mmc-pwrseq-emmc";
  50                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
  51         };
  52
  53         gpio_fan: gpio-fan {
  54                 compatible = "gpio-fan";
  55                 gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH
  56                          &gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
  57                 /* Dummy RPM values since fan is optional */
  58                 gpio-fan,speed-map = <0 0
  59                                       1 1
  60                                       2 2
  61                                       3 3>;
  62                 cooling-min-level = <0>;
  63                 cooling-max-level = <3>;
  64                 #cooling-cells = <2>;
  65         };
  66
  67         gpio-keys-polled {
  68                 compatible = "gpio-keys-polled";
  69                 poll-interval = <100>;
  70
  71                 power-button {
  72                         label = "power";
  73                         linux,code = <KEY_POWER>;
  74                         gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
  75                 };
  76         };
  77
  78         hdmi-connector {
  79                 compatible = "hdmi-connector";
  80                 type = "a";
  81
  82                 port {
  83                         hdmi_connector_in: endpoint {
  84                                 remote-endpoint = <&hdmi_tx_tmds_out>;
  85                         };
  86                 };
  87         };
  88
  89         pwmleds {
  90                 compatible = "pwm-leds";
  91
  92                 power {
  93                         label = "vim:red:power";
  94                         pwms = <&pwm_AO_ab 1 7812500 0>;
  95                         max-brightness = <255>;
  96                         linux,default-trigger = "default-on";
  97                 };
  98         };
  99
 100         sdio_pwrseq: sdio-pwrseq {
 101                 compatible = "mmc-pwrseq-simple";
 102                 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
 103                 clocks = <&wifi32k>;
 104                 clock-names = "ext_clock";
 105         };
 106
 107         thermal-zones {
 108                 cpu-thermal {
 109                         polling-delay-passive = <250>; /* milliseconds */
 110                         polling-delay = <1000>; /* milliseconds */
 111
 112                         thermal-sensors = <&scpi_sensors 0>;
 113
 114                         trips {
 115                                 cpu_alert0: cpu-alert0 {
 116                                         temperature = <70000>; /* millicelsius */
 117                                         hysteresis = <2000>; /* millicelsius */
 118                                         type = "active";
 119                                 };
 120
 121                                 cpu_alert1: cpu-alert1 {
 122                                         temperature = <80000>; /* millicelsius */
 123                                         hysteresis = <2000>; /* millicelsius */
 124                                         type = "passive";
 125                                 };
 126                         };
 127
 128                         cooling-maps {
 129                                 map0 {
 130                                         trip = <&cpu_alert0>;
 131                                         cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
 132                                 };
 133
 134                                 map1 {
 135                                         trip = <&cpu_alert1>;
 136                                         cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>;
 137                                 };
 138
 139                                 map2 {
 140                                         trip = <&cpu_alert1>;
 141                                         cooling-device =
 142                                                 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 143                                 };
 144
 145                                 map3 {
 146                                         trip = <&cpu_alert1>;
 147                                         cooling-device =
 148                                                 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 149                                 };
 150                         };
 151                 };
 152         };
 153
 154         vcc_3v3: regulator-vcc_3v3 {
 155                 compatible = "regulator-fixed";
 156                 regulator-name = "VCC_3V3";
 157                 regulator-min-microvolt = <3300000>;
 158                 regulator-max-microvolt = <3300000>;
 159         };
 160
 161         vddio_ao18: regulator-vddio_ao18 {
 162                 compatible = "regulator-fixed";
 163                 regulator-name = "VDDIO_AO18";
 164                 regulator-min-microvolt = <1800000>;
 165                 regulator-max-microvolt = <1800000>;
 166         };
 167
 168         vddio_boot: regulator-vddio_boot {
 169                 compatible = "regulator-fixed";
 170                 regulator-name = "VDDIO_BOOT";
 171                 regulator-min-microvolt = <1800000>;
 172                 regulator-max-microvolt = <1800000>;
 173         };
 174
 175         vddao_3v3: regulator-vddao_3v3 {
 176                 compatible = "regulator-fixed";
 177                 regulator-name = "VDDAO_3V3";
 178                 regulator-min-microvolt = <3300000>;
 179                 regulator-max-microvolt = <3300000>;
 180         };
 181
 182         wifi32k: wifi32k {
 183                 compatible = "pwm-clock";
 184                 #clock-cells = <0>;
 185                 clock-frequency = <32768>;
 186                 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
 187         };
 188 };
 189
 190 &cec_AO {
 191         status = "okay";
 192         pinctrl-0 = <&ao_cec_pins>;
 193         pinctrl-names = "default";
 194         hdmi-phandle = <&hdmi_tx>;
 195 };
 196
 197 &cpu0 {
 198         cooling-min-level = <0>;
 199         cooling-max-level = <6>;
 200         #cooling-cells = <2>;
 201 };
 202
 203 &cpu4 {
 204         cooling-min-level = <0>;
 205         cooling-max-level = <4>;
 206         #cooling-cells = <2>;
 207 };
 208
 209 &ethmac {
 210         pinctrl-0 = <&eth_pins>;
 211         pinctrl-names = "default";
 212
 213         /* Select external PHY by default */
 214         phy-handle = <&external_phy>;
 215
 216         amlogic,tx-delay-ns = <2>;
 217
 218         /* External PHY reset is shared with internal PHY Led signals */
 219         snps,reset-gpio = <&gpio GPIOZ_14 0>;
 220         snps,reset-delays-us = <0 10000 1000000>;
 221         snps,reset-active-low;
 222
 223         /* External PHY is in RGMII */
 224         phy-mode = "rgmii";
 225
 226         status = "okay";
 227 };
 228
 229 &external_mdio {
 230         external_phy: ethernet-phy@0 {
 231                 /* Realtek RTL8211F (0x001cc916) */
 232                 reg = <0>;
 233         };
 234 };
 235
 236 &hdmi_tx {
 237         status = "okay";
 238         pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
 239         pinctrl-names = "default";
 240         hdmi-supply = <&hdmi_5v>;
 241 };
 242
 243 &hdmi_tx_tmds_port {
 244         hdmi_tx_tmds_out: endpoint {
 245                 remote-endpoint = <&hdmi_connector_in>;
 246         };
 247 };
 248
 249 &i2c_A {
 250         status = "okay";
 251         pinctrl-0 = <&i2c_a_pins>;
 252         pinctrl-names = "default";
 253 };
 254
 255 &i2c_B {
 256         status = "okay";
 257         pinctrl-0 = <&i2c_b_pins>;
 258         pinctrl-names = "default";
 259
 260         rtc: rtc@51 {
 261                 /* has to be enabled manually when a battery is connected: */
 262                 status = "disabled";
 263                 compatible = "haoyu,hym8563";
 264                 reg = <0x51>;
 265                 #clock-cells = <0>;
 266                 clock-frequency = <32768>;
 267                 clock-output-names = "xin32k";
 268         };
 269 };
 270
 271 &ir {
 272         status = "okay";
 273         pinctrl-0 = <&remote_input_ao_pins>;
 274         pinctrl-names = "default";
 275         linux,rc-map-name = "rc-geekbox";
 276 };
 277
 278 &pwm_AO_ab {
 279         status = "okay";
 280         pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
 281         pinctrl-names = "default";
 282         clocks = <&clkc CLKID_FCLK_DIV4>;
 283         clock-names = "clkin0";
 284 };
 285
 286 &pwm_ef {
 287         status = "okay";
 288         pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
 289         pinctrl-names = "default";
 290         clocks = <&clkc CLKID_FCLK_DIV4>;
 291         clock-names = "clkin0";
 292 };
 293
 294 &sd_emmc_a {
 295         status = "okay";
 296         pinctrl-0 = <&sdio_pins>;
 297         pinctrl-names = "default";
 298         #address-cells = <1>;
 299         #size-cells = <0>;
 300
 301         bus-width = <4>;
 302         max-frequency = <100000000>;
 303
 304         non-removable;
 305         disable-wp;
 306
 307         mmc-pwrseq = <&sdio_pwrseq>;
 308
 309         vmmc-supply = <&vddao_3v3>;
 310         vqmmc-supply = <&vddio_boot>;
 311
 312         brcmf: wifi@1 {
 313                 reg = <1>;
 314                 compatible = "brcm,bcm4329-fmac";
 315         };
 316 };
 317
 318 /* SD card */
 319 &sd_emmc_b {
 320         status = "okay";
 321         pinctrl-0 = <&sdcard_pins>;
 322         pinctrl-names = "default";
 323
 324         bus-width = <4>;
 325         cap-sd-highspeed;
 326         max-frequency = <100000000>;
 327         disable-wp;
 328
 329         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
 330         cd-inverted;
 331
 332         vmmc-supply = <&vddao_3v3>;
 333         vqmmc-supply = <&vddio_boot>;
 334 };
 335
 336 /* eMMC */
 337 &sd_emmc_c {
 338         status = "okay";
 339         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 340         pinctrl-names = "default";
 341
 342         bus-width = <8>;
 343         cap-sd-highspeed;
 344         cap-mmc-highspeed;
 345         max-frequency = <200000000>;
 346         non-removable;
 347         disable-wp;
 348         mmc-ddr-1_8v;
 349         mmc-hs200-1_8v;
 350         mmc-hs400-1_8v;
 351
 352         mmc-pwrseq = <&emmc_pwrseq>;
 353         vmmc-supply = <&vcc_3v3>;
 354         vqmmc-supply = <&vddio_boot>;
 355 };
 356
 357 /*
 358  * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
 359  * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
 360  */
 361 &spifc {
 362         status = "disabled";
 363         pinctrl-0 = <&nor_pins>;
 364         pinctrl-names = "default";
 365
 366         w25q32: spi-flash@0 {
 367                 #address-cells = <1>;
 368                 #size-cells = <1>;
 369                 compatible = "winbond,w25q16", "jedec,spi-nor";
 370                 reg = <0>;
 371                 spi-max-frequency = <3000000>;
 372         };
 373 };
 374
 375 /* This one is connected to the Bluetooth module */
 376 &uart_A {
 377         status = "okay";
 378         pinctrl-0 = <&uart_a_pins>;
 379         pinctrl-names = "default";
 380 };
 381
 382 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 383 &uart_AO {
 384         status = "okay";
 385         pinctrl-0 = <&uart_ao_a_pins>;
 386         pinctrl-names = "default";
 387 };
 388
 389 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 390 &uart_AO_B {
 391         status = "okay";
 392         pinctrl-0 = <&uart_ao_b_pins>;
 393         pinctrl-names = "default";
 394 };
 395
 396 &saradc {
 397         status = "okay";
 398         vref-supply = <&vddio_ao18>;
 399 };
 400
 401 &usb0 {
 402         status = "okay";
 403 };