arch/arm/dts/meson-khadas-vim3.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (c) 2019 BayLibre, SAS
   4  * Author: Neil Armstrong <narmstrong@baylibre.com>
   5  * Copyright (c) 2019 Christian Hewitt <christianshewitt@gmail.com>
   6  */
   7
   8 #include <dt-bindings/input/input.h>
   9 #include <dt-bindings/gpio/meson-g12a-gpio.h>
  10
  11 / {
  12         aliases {
  13                 serial0 = &uart_AO;
  14                 ethernet0 = &ethmac;
  15         };
  16
  17         chosen {
  18                 stdout-path = "serial0:115200n8";
  19         };
  20
  21         memory@0 {
  22                 device_type = "memory";
  23                 reg = <0x0 0x0 0x0 0x80000000>;
  24         };
  25
  26         adc-keys {
  27                 compatible = "adc-keys";
  28                 io-channels = <&saradc 2>;
  29                 io-channel-names = "buttons";
  30                 keyup-threshold-microvolt = <1710000>;
  31
  32                 button-function {
  33                         label = "Function";
  34                         linux,code = <KEY_FN>;
  35                         press-threshold-microvolt = <10000>;
  36                 };
  37         };
  38
  39         leds {
  40                 compatible = "gpio-leds";
  41
  42                 led-white {
  43                         label = "vim3:white:sys";
  44                         gpios = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>;
  45                         linux,default-trigger = "heartbeat";
  46                 };
  47
  48                 led-red {
  49                         label = "vim3:red";
  50                         gpios = <&gpio_expander 5 GPIO_ACTIVE_LOW>;
  51                 };
  52         };
  53
  54         emmc_pwrseq: emmc-pwrseq {
  55                 compatible = "mmc-pwrseq-emmc";
  56                 reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
  57         };
  58
  59         gpio-keys-polled {
  60                 compatible = "gpio-keys-polled";
  61                 poll-interval = <100>;
  62
  63                 power-button {
  64                         label = "power";
  65                         linux,code = <KEY_POWER>;
  66                         gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>;
  67                 };
  68         };
  69
  70         sdio_pwrseq: sdio-pwrseq {
  71                 compatible = "mmc-pwrseq-simple";
  72                 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
  73                 clocks = <&wifi32k>;
  74                 clock-names = "ext_clock";
  75         };
  76
  77         dc_in: regulator-dc_in {
  78                 compatible = "regulator-fixed";
  79                 regulator-name = "DC_IN";
  80                 regulator-min-microvolt = <5000000>;
  81                 regulator-max-microvolt = <5000000>;
  82                 regulator-always-on;
  83         };
  84
  85         vcc_5v: regulator-vcc_5v {
  86                 compatible = "regulator-fixed";
  87                 regulator-name = "VCC_5V";
  88                 regulator-min-microvolt = <5000000>;
  89                 regulator-max-microvolt = <5000000>;
  90                 vin-supply = <&dc_in>;
  91
  92                 gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
  93                 enable-active-high;
  94         };
  95
  96         vcc_1v8: regulator-vcc_1v8 {
  97                 compatible = "regulator-fixed";
  98                 regulator-name = "VCC_1V8";
  99                 regulator-min-microvolt = <1800000>;
 100                 regulator-max-microvolt = <1800000>;
 101                 vin-supply = <&vcc_3v3>;
 102                 regulator-always-on;
 103         };
 104
 105         vcc_3v3: regulator-vcc_3v3 {
 106                 compatible = "regulator-fixed";
 107                 regulator-name = "VCC_3V3";
 108                 regulator-min-microvolt = <3300000>;
 109                 regulator-max-microvolt = <3300000>;
 110                 vin-supply = <&vsys_3v3>;
 111                 regulator-always-on;
 112                 /* FIXME: actually controlled by VDDCPU_B_EN */
 113         };
 114
 115         vddao_1v8: regulator-vddao_1v8 {
 116                 compatible = "regulator-fixed";
 117                 regulator-name = "VDDIO_AO1V8";
 118                 regulator-min-microvolt = <1800000>;
 119                 regulator-max-microvolt = <1800000>;
 120                 vin-supply = <&vsys_3v3>;
 121                 regulator-always-on;
 122         };
 123
 124         emmc_1v8: regulator-emmc_1v8 {
 125                 compatible = "regulator-fixed";
 126                 regulator-name = "EMMC_AO1V8";
 127                 regulator-min-microvolt = <1800000>;
 128                 regulator-max-microvolt = <1800000>;
 129                 vin-supply = <&vcc_3v3>;
 130                 regulator-always-on;
 131         };
 132
 133         vsys_3v3: regulator-vsys_3v3 {
 134                 compatible = "regulator-fixed";
 135                 regulator-name = "VSYS_3V3";
 136                 regulator-min-microvolt = <3300000>;
 137                 regulator-max-microvolt = <3300000>;
 138                 vin-supply = <&dc_in>;
 139                 regulator-always-on;
 140         };
 141
 142         usb_pwr: regulator-usb_pwr {
 143                 compatible = "regulator-fixed";
 144                 regulator-name = "USB_PWR";
 145                 regulator-min-microvolt = <5000000>;
 146                 regulator-max-microvolt = <5000000>;
 147                 vin-supply = <&vcc_5v>;
 148
 149                 gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>;
 150                 enable-active-high;
 151         };
 152
 153         hdmi-connector {
 154                 compatible = "hdmi-connector";
 155                 type = "a";
 156
 157                 port {
 158                         hdmi_connector_in: endpoint {
 159                                 remote-endpoint = <&hdmi_tx_tmds_out>;
 160                         };
 161                 };
 162         };
 163
 164         wifi32k: wifi32k {
 165                 compatible = "pwm-clock";
 166                 #clock-cells = <0>;
 167                 clock-frequency = <32768>;
 168                 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
 169         };
 170 };
 171
 172 &cec_AO {
 173         pinctrl-0 = <&cec_ao_a_h_pins>;
 174         pinctrl-names = "default";
 175         status = "disabled";
 176         hdmi-phandle = <&hdmi_tx>;
 177 };
 178
 179 &cecb_AO {
 180         pinctrl-0 = <&cec_ao_b_h_pins>;
 181         pinctrl-names = "default";
 182         status = "okay";
 183         hdmi-phandle = <&hdmi_tx>;
 184 };
 185
 186 &cpu_thermal {
 187         trips {
 188                 cpu_active: cpu-active {
 189                         temperature = <80000>; /* millicelsius */
 190                         hysteresis = <2000>; /* millicelsius */
 191                         type = "active";
 192                 };
 193         };
 194
 195         cooling-maps {
 196                 map {
 197                         trip = <&cpu_active>;
 198                         cooling-device = <&khadas_mcu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 199                 };
 200         };
 201 };
 202
 203 &ext_mdio {
 204         external_phy: ethernet-phy@0 {
 205                 /* Realtek RTL8211F (0x001cc916) */
 206                 reg = <0>;
 207                 max-speed = <1000>;
 208
 209                 interrupt-parent = <&gpio_intc>;
 210                 /* MAC_INTR on GPIOZ_14 */
 211                 interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
 212         };
 213 };
 214
 215 &ethmac {
 216         pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
 217         pinctrl-names = "default";
 218         status = "okay";
 219         phy-mode = "rgmii";
 220         phy-handle = <&external_phy>;
 221         amlogic,tx-delay-ns = <2>;
 222 };
 223
 224 &hdmi_tx {
 225         status = "okay";
 226         pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
 227         pinctrl-names = "default";
 228         hdmi-supply = <&vcc_5v>;
 229 };
 230
 231 &hdmi_tx_tmds_port {
 232         hdmi_tx_tmds_out: endpoint {
 233                 remote-endpoint = <&hdmi_connector_in>;
 234         };
 235 };
 236
 237 &i2c_AO {
 238         status = "okay";
 239         pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
 240         pinctrl-names = "default";
 241
 242         khadas_mcu: system-controller@18 {
 243                 compatible = "khadas,mcu";
 244                 reg = <0x18>;
 245                 #cooling-cells = <2>;
 246         };
 247
 248         gpio_expander: gpio-controller@20 {
 249                 compatible = "ti,tca6408";
 250                 reg = <0x20>;
 251                 vcc-supply = <&vcc_3v3>;
 252                 gpio-controller;
 253                 #gpio-cells = <2>;
 254         };
 255
 256         rtc@51 {
 257                 compatible = "haoyu,hym8563";
 258                 reg = <0x51>;
 259                 #clock-cells = <0>;
 260         };
 261 };
 262
 263 &ir {
 264         status = "okay";
 265         pinctrl-0 = <&remote_input_ao_pins>;
 266         pinctrl-names = "default";
 267         linux,rc-map-name = "rc-khadas";
 268 };
 269
 270 &pcie {
 271         reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
 272 };
 273
 274 &pwm_ef {
 275         status = "okay";
 276         pinctrl-0 = <&pwm_e_pins>;
 277         pinctrl-names = "default";
 278 };
 279
 280 &saradc {
 281         status = "okay";
 282         vref-supply = <&vddao_1v8>;
 283 };
 284
 285 /* SDIO */
 286 &sd_emmc_a {
 287         status = "okay";
 288         pinctrl-0 = <&sdio_pins>;
 289         pinctrl-1 = <&sdio_clk_gate_pins>;
 290         pinctrl-names = "default", "clk-gate";
 291         #address-cells = <1>;
 292         #size-cells = <0>;
 293
 294         bus-width = <4>;
 295         cap-sd-highspeed;
 296         max-frequency = <100000000>;
 297
 298         non-removable;
 299         disable-wp;
 300
 301         /* WiFi firmware requires power to be kept while in suspend */
 302         keep-power-in-suspend;
 303
 304         mmc-pwrseq = <&sdio_pwrseq>;
 305
 306         vmmc-supply = <&vsys_3v3>;
 307         vqmmc-supply = <&vddao_1v8>;
 308
 309         brcmf: wifi@1 {
 310                 reg = <1>;
 311                 compatible = "brcm,bcm4329-fmac";
 312         };
 313 };
 314
 315 /* SD card */
 316 &sd_emmc_b {
 317         status = "okay";
 318         pinctrl-0 = <&sdcard_c_pins>;
 319         pinctrl-1 = <&sdcard_clk_gate_c_pins>;
 320         pinctrl-names = "default", "clk-gate";
 321
 322         bus-width = <4>;
 323         cap-sd-highspeed;
 324         max-frequency = <50000000>;
 325         disable-wp;
 326
 327         cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
 328         vmmc-supply = <&vsys_3v3>;
 329         vqmmc-supply = <&vsys_3v3>;
 330 };
 331
 332 /* eMMC */
 333 &sd_emmc_c {
 334         status = "okay";
 335         pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
 336         pinctrl-1 = <&emmc_clk_gate_pins>;
 337         pinctrl-names = "default", "clk-gate";
 338
 339         bus-width = <8>;
 340         cap-mmc-highspeed;
 341         mmc-ddr-1_8v;
 342         mmc-hs200-1_8v;
 343         max-frequency = <200000000>;
 344         disable-wp;
 345
 346         mmc-pwrseq = <&emmc_pwrseq>;
 347         vmmc-supply = <&vcc_3v3>;
 348         vqmmc-supply = <&emmc_1v8>;
 349 };
 350
 351 /*
 352  * EMMC_D4, EMMC_D5, EMMC_D6 and EMMC_D7 pins are shared between SPI NOR CS
 353  * and eMMC Data 4 to 7 pins.
 354  * Replace emmc_data_8b_pins to emmc_data_4b_pins from sd_emmc_c pinctrl-0,
 355  * and change bus-width to 4 then spifc can be enabled.
 356  */
 357 &spifc {
 358         status = "disabled";
 359         pinctrl-0 = <&nor_pins>;
 360         pinctrl-names = "default";
 361
 362         w25q128: spi-flash@0 {
 363                 #address-cells = <1>;
 364                 #size-cells = <1>;
 365                 compatible = "winbond,w25q128fw", "jedec,spi-nor";
 366                 reg = <0>;
 367                 spi-max-frequency = <104000000>;
 368         };
 369 };
 370
 371 &uart_A {
 372         status = "okay";
 373         pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
 374         pinctrl-names = "default";
 375         uart-has-rtscts;
 376
 377         bluetooth {
 378                 compatible = "brcm,bcm43438-bt";
 379                 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
 380                 max-speed = <2000000>;
 381                 clocks = <&wifi32k>;
 382                 clock-names = "lpo";
 383         };
 384 };
 385
 386 &uart_AO {
 387         status = "okay";
 388         pinctrl-0 = <&uart_ao_a_pins>;
 389         pinctrl-names = "default";
 390 };
 391
 392 &usb2_phy0 {
 393         phy-supply = <&dc_in>;
 394 };
 395
 396 &usb2_phy1 {
 397         phy-supply = <&usb_pwr>;
 398 };
 399
 400 &usb3_pcie_phy {
 401         phy-supply = <&usb_pwr>;
 402 };
 403
 404 &usb {
 405         status = "okay";
 406         dr_mode = "peripheral";
 407 };