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