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         model = "Khadas VIM3";
  13
  14         aliases {
  15                 serial0 = &uart_AO;
  16                 ethernet0 = &ethmac;
  17         };
  18
  19         chosen {
  20                 stdout-path = "serial0:115200n8";
  21         };
  22
  23         memory@0 {
  24                 device_type = "memory";
  25                 reg = <0x0 0x0 0x0 0x80000000>;
  26         };
  27
  28         adc-keys {
  29                 compatible = "adc-keys";
  30                 io-channels = <&saradc 2>;
  31                 io-channel-names = "buttons";
  32                 keyup-threshold-microvolt = <1710000>;
  33
  34                 button-function {
  35                         label = "Function";
  36                         linux,code = <KEY_FN>;
  37                         press-threshold-microvolt = <10000>;
  38                 };
  39         };
  40
  41         leds {
  42                 compatible = "gpio-leds";
  43
  44                 white {
  45                         label = "vim3:white:sys";
  46                         gpios = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>;
  47                         linux,default-trigger = "heartbeat";
  48                 };
  49
  50                 red {
  51                         label = "vim3:red";
  52                         gpios = <&gpio_expander 5 GPIO_ACTIVE_LOW>;
  53                 };
  54         };
  55
  56         emmc_pwrseq: emmc-pwrseq {
  57                 compatible = "mmc-pwrseq-emmc";
  58                 reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
  59         };
  60
  61         gpio-keys-polled {
  62                 compatible = "gpio-keys-polled";
  63                 poll-interval = <100>;
  64
  65                 power-button {
  66                         label = "power";
  67                         linux,code = <KEY_POWER>;
  68                         gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>;
  69                 };
  70         };
  71
  72         sdio_pwrseq: sdio-pwrseq {
  73                 compatible = "mmc-pwrseq-simple";
  74                 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
  75                 clocks = <&wifi32k>;
  76                 clock-names = "ext_clock";
  77         };
  78
  79         dc_in: regulator-dc_in {
  80                 compatible = "regulator-fixed";
  81                 regulator-name = "DC_IN";
  82                 regulator-min-microvolt = <5000000>;
  83                 regulator-max-microvolt = <5000000>;
  84                 regulator-always-on;
  85         };
  86
  87         vcc_5v: regulator-vcc_5v {
  88                 compatible = "regulator-fixed";
  89                 regulator-name = "VCC_5V";
  90                 regulator-min-microvolt = <5000000>;
  91                 regulator-max-microvolt = <5000000>;
  92                 vin-supply = <&dc_in>;
  93
  94                 gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
  95                 enable-active-high;
  96         };
  97
  98         vcc_1v8: regulator-vcc_1v8 {
  99                 compatible = "regulator-fixed";
 100                 regulator-name = "VCC_1V8";
 101                 regulator-min-microvolt = <1800000>;
 102                 regulator-max-microvolt = <1800000>;
 103                 vin-supply = <&vcc_3v3>;
 104                 regulator-always-on;
 105         };
 106
 107         vcc_3v3: regulator-vcc_3v3 {
 108                 compatible = "regulator-fixed";
 109                 regulator-name = "VCC_3V3";
 110                 regulator-min-microvolt = <3300000>;
 111                 regulator-max-microvolt = <3300000>;
 112                 vin-supply = <&vsys_3v3>;
 113                 regulator-always-on;
 114                 /* FIXME: actually controlled by VDDCPU_B_EN */
 115         };
 116
 117         vddao_1v8: regulator-vddao_1v8 {
 118                 compatible = "regulator-fixed";
 119                 regulator-name = "VDDIO_AO1V8";
 120                 regulator-min-microvolt = <1800000>;
 121                 regulator-max-microvolt = <1800000>;
 122                 vin-supply = <&vsys_3v3>;
 123                 regulator-always-on;
 124         };
 125
 126         emmc_1v8: regulator-emmc_1v8 {
 127                 compatible = "regulator-fixed";
 128                 regulator-name = "EMMC_AO1V8";
 129                 regulator-min-microvolt = <1800000>;
 130                 regulator-max-microvolt = <1800000>;
 131                 vin-supply = <&vcc_3v3>;
 132                 regulator-always-on;
 133         };
 134
 135         vsys_3v3: regulator-vsys_3v3 {
 136                 compatible = "regulator-fixed";
 137                 regulator-name = "VSYS_3V3";
 138                 regulator-min-microvolt = <3300000>;
 139                 regulator-max-microvolt = <3300000>;
 140                 vin-supply = <&dc_in>;
 141                 regulator-always-on;
 142         };
 143
 144         usb_pwr: regulator-usb_pwr {
 145                 compatible = "regulator-fixed";
 146                 regulator-name = "USB_PWR";
 147                 regulator-min-microvolt = <5000000>;
 148                 regulator-max-microvolt = <5000000>;
 149                 vin-supply = <&vcc_5v>;
 150
 151                 gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>;
 152                 enable-active-high;
 153         };
 154
 155         hdmi-connector {
 156                 compatible = "hdmi-connector";
 157                 type = "a";
 158
 159                 port {
 160                         hdmi_connector_in: endpoint {
 161                                 remote-endpoint = <&hdmi_tx_tmds_out>;
 162                         };
 163                 };
 164         };
 165
 166         wifi32k: wifi32k {
 167                 compatible = "pwm-clock";
 168                 #clock-cells = <0>;
 169                 clock-frequency = <32768>;
 170                 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
 171         };
 172 };
 173
 174 &cec_AO {
 175         pinctrl-0 = <&cec_ao_a_h_pins>;
 176         pinctrl-names = "default";
 177         status = "disabled";
 178         hdmi-phandle = <&hdmi_tx>;
 179 };
 180
 181 &cecb_AO {
 182         pinctrl-0 = <&cec_ao_b_h_pins>;
 183         pinctrl-names = "default";
 184         status = "okay";
 185         hdmi-phandle = <&hdmi_tx>;
 186 };
 187
 188 &ext_mdio {
 189         external_phy: ethernet-phy@0 {
 190                 /* Realtek RTL8211F (0x001cc916) */
 191                 reg = <0>;
 192                 max-speed = <1000>;
 193
 194                 interrupt-parent = <&gpio_intc>;
 195                 /* MAC_INTR on GPIOZ_14 */
 196                 interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
 197         };
 198 };
 199
 200 &ethmac {
 201         pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
 202         pinctrl-names = "default";
 203         status = "okay";
 204         phy-mode = "rgmii";
 205         phy-handle = <&external_phy>;
 206         amlogic,tx-delay-ns = <2>;
 207 };
 208
 209 &hdmi_tx {
 210         status = "okay";
 211         pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
 212         pinctrl-names = "default";
 213         hdmi-supply = <&vcc_5v>;
 214 };
 215
 216 &hdmi_tx_tmds_port {
 217         hdmi_tx_tmds_out: endpoint {
 218                 remote-endpoint = <&hdmi_connector_in>;
 219         };
 220 };
 221
 222 &i2c_AO {
 223         status = "okay";
 224         pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
 225         pinctrl-names = "default";
 226
 227         gpio_expander: gpio-controller@20 {
 228                 compatible = "ti,tca6408";
 229                 reg = <0x20>;
 230                 vcc-supply = <&vcc_3v3>;
 231                 gpio-controller;
 232                 #gpio-cells = <2>;
 233         };
 234
 235         rtc@51 {
 236                 compatible = "haoyu,hym8563";
 237                 reg = <0x51>;
 238                 #clock-cells = <0>;
 239         };
 240 };
 241
 242 &ir {
 243         status = "okay";
 244         pinctrl-0 = <&remote_input_ao_pins>;
 245         pinctrl-names = "default";
 246         linux,rc-map-name = "rc-khadas";
 247 };
 248
 249 &pcie {
 250         reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
 251 };
 252
 253 &pwm_ef {
 254         status = "okay";
 255         pinctrl-0 = <&pwm_e_pins>;
 256         pinctrl-names = "default";
 257 };
 258
 259 &saradc {
 260         status = "okay";
 261         vref-supply = <&vddao_1v8>;
 262 };
 263
 264 /* SDIO */
 265 &sd_emmc_a {
 266         status = "okay";
 267         pinctrl-0 = <&sdio_pins>;
 268         pinctrl-1 = <&sdio_clk_gate_pins>;
 269         pinctrl-names = "default", "clk-gate";
 270         #address-cells = <1>;
 271         #size-cells = <0>;
 272
 273         bus-width = <4>;
 274         cap-sd-highspeed;
 275         sd-uhs-sdr50;
 276         max-frequency = <100000000>;
 277
 278         non-removable;
 279         disable-wp;
 280
 281         /* WiFi firmware requires power to be kept while in suspend */
 282         keep-power-in-suspend;
 283
 284         mmc-pwrseq = <&sdio_pwrseq>;
 285
 286         vmmc-supply = <&vsys_3v3>;
 287         vqmmc-supply = <&vddao_1v8>;
 288
 289         brcmf: wifi@1 {
 290                 reg = <1>;
 291                 compatible = "brcm,bcm4329-fmac";
 292         };
 293 };
 294
 295 /* SD card */
 296 &sd_emmc_b {
 297         status = "okay";
 298         pinctrl-0 = <&sdcard_c_pins>;
 299         pinctrl-1 = <&sdcard_clk_gate_c_pins>;
 300         pinctrl-names = "default", "clk-gate";
 301
 302         bus-width = <4>;
 303         cap-sd-highspeed;
 304         max-frequency = <50000000>;
 305         disable-wp;
 306
 307         cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
 308         vmmc-supply = <&vsys_3v3>;
 309         vqmmc-supply = <&vsys_3v3>;
 310 };
 311
 312 /* eMMC */
 313 &sd_emmc_c {
 314         status = "okay";
 315         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 316         pinctrl-1 = <&emmc_clk_gate_pins>;
 317         pinctrl-names = "default", "clk-gate";
 318
 319         bus-width = <8>;
 320         cap-mmc-highspeed;
 321         mmc-ddr-1_8v;
 322         mmc-hs200-1_8v;
 323         max-frequency = <200000000>;
 324         disable-wp;
 325
 326         mmc-pwrseq = <&emmc_pwrseq>;
 327         vmmc-supply = <&vcc_3v3>;
 328         vqmmc-supply = <&emmc_1v8>;
 329 };
 330
 331 &uart_A {
 332         status = "okay";
 333         pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
 334         pinctrl-names = "default";
 335         uart-has-rtscts;
 336
 337         bluetooth {
 338                 compatible = "brcm,bcm43438-bt";
 339                 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
 340                 max-speed = <2000000>;
 341                 clocks = <&wifi32k>;
 342                 clock-names = "lpo";
 343         };
 344 };
 345
 346 &uart_AO {
 347         status = "okay";
 348         pinctrl-0 = <&uart_ao_a_pins>;
 349         pinctrl-names = "default";
 350 };
 351
 352 &usb2_phy0 {
 353         phy-supply = <&dc_in>;
 354 };
 355
 356 &usb2_phy1 {
 357         phy-supply = <&usb_pwr>;
 358 };
 359
 360 &usb3_pcie_phy {
 361         phy-supply = <&usb_pwr>;
 362 };
 363
 364 &usb {
 365         status = "okay";
 366         dr_mode = "peripheral";
 367 };