arch/arm64/boot/dts/amlogic/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
  12 #include "meson-gxm.dtsi"
  13
  14 / {
  15         compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
  16         model = "Khadas VIM2";
  17
  18         aliases {
  19                 serial0 = &uart_AO;
  20                 serial2 = &uart_AO_B;
  21         };
  22
  23         chosen {
  24                 stdout-path = "serial0:115200n8";
  25         };
  26
  27         memory@0 {
  28                 device_type = "memory";
  29                 reg = <0x0 0x0 0x0 0x80000000>;
  30         };
  31
  32         adc-keys {
  33                 compatible = "adc-keys";
  34                 io-channels = <&saradc 0>;
  35                 io-channel-names = "buttons";
  36                 keyup-threshold-microvolt = <1710000>;
  37
  38                 button-function {
  39                         label = "Function";
  40                         linux,code = <KEY_FN>;
  41                         press-threshold-microvolt = <10000>;
  42                 };
  43         };
  44
  45         emmc_pwrseq: emmc-pwrseq {
  46                 compatible = "mmc-pwrseq-emmc";
  47                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
  48         };
  49
  50         gpio_fan: gpio-fan {
  51                 compatible = "gpio-fan";
  52                 gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH
  53                          &gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
  54                 /* Dummy RPM values since fan is optional */
  55                 gpio-fan,speed-map = <0 0
  56                                       1 1
  57                                       2 2
  58                                       3 3>;
  59                 #cooling-cells = <2>;
  60         };
  61
  62         gpio-keys-polled {
  63                 compatible = "gpio-keys-polled";
  64                 poll-interval = <100>;
  65
  66                 power-button {
  67                         label = "power";
  68                         linux,code = <KEY_POWER>;
  69                         gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
  70                 };
  71         };
  72
  73         hdmi-connector {
  74                 compatible = "hdmi-connector";
  75                 type = "a";
  76
  77                 port {
  78                         hdmi_connector_in: endpoint {
  79                                 remote-endpoint = <&hdmi_tx_tmds_out>;
  80                         };
  81                 };
  82         };
  83
  84         pwmleds {
  85                 compatible = "pwm-leds";
  86
  87                 power {
  88                         label = "vim:red:power";
  89                         pwms = <&pwm_AO_ab 1 7812500 0>;
  90                         max-brightness = <255>;
  91                         linux,default-trigger = "default-on";
  92                 };
  93         };
  94
  95         sdio_pwrseq: sdio-pwrseq {
  96                 compatible = "mmc-pwrseq-simple";
  97                 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
  98                 clocks = <&wifi32k>;
  99                 clock-names = "ext_clock";
 100         };
 101
 102         hdmi_5v: regulator-hdmi-5v {
 103                 compatible = "regulator-fixed";
 104
 105                 regulator-name = "HDMI_5V";
 106                 regulator-min-microvolt = <5000000>;
 107                 regulator-max-microvolt = <5000000>;
 108
 109                 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
 110                 enable-active-high;
 111                 regulator-always-on;
 112         };
 113
 114         vcc_3v3: regulator-vcc_3v3 {
 115                 compatible = "regulator-fixed";
 116                 regulator-name = "VCC_3V3";
 117                 regulator-min-microvolt = <3300000>;
 118                 regulator-max-microvolt = <3300000>;
 119         };
 120
 121         vddio_ao18: regulator-vddio_ao18 {
 122                 compatible = "regulator-fixed";
 123                 regulator-name = "VDDIO_AO18";
 124                 regulator-min-microvolt = <1800000>;
 125                 regulator-max-microvolt = <1800000>;
 126         };
 127
 128         vddio_boot: regulator-vddio_boot {
 129                 compatible = "regulator-fixed";
 130                 regulator-name = "VDDIO_BOOT";
 131                 regulator-min-microvolt = <1800000>;
 132                 regulator-max-microvolt = <1800000>;
 133         };
 134
 135         vddao_3v3: regulator-vddao_3v3 {
 136                 compatible = "regulator-fixed";
 137                 regulator-name = "VDDAO_3V3";
 138                 regulator-min-microvolt = <3300000>;
 139                 regulator-max-microvolt = <3300000>;
 140         };
 141
 142         wifi32k: wifi32k {
 143                 compatible = "pwm-clock";
 144                 #clock-cells = <0>;
 145                 clock-frequency = <32768>;
 146                 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
 147         };
 148 };
 149
 150 &cec_AO {
 151         status = "okay";
 152         pinctrl-0 = <&ao_cec_pins>;
 153         pinctrl-names = "default";
 154         hdmi-phandle = <&hdmi_tx>;
 155 };
 156
 157
 158 &cpu_cooling_maps {
 159         map0 {
 160                 cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
 161         };
 162
 163         map1 {
 164                 cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>,
 165                                  <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 166                                  <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 167                                  <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 168                                  <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 169                                  <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 170                                  <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 171                                  <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 172                                  <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 173         };
 174 };
 175
 176 &ethmac {
 177         pinctrl-0 = <&eth_pins>;
 178         pinctrl-names = "default";
 179
 180         /* Select external PHY by default */
 181         phy-handle = <&external_phy>;
 182
 183         amlogic,tx-delay-ns = <2>;
 184
 185         /* External PHY is in RGMII */
 186         phy-mode = "rgmii";
 187
 188         status = "okay";
 189 };
 190
 191 &external_mdio {
 192         external_phy: ethernet-phy@0 {
 193                 /* Realtek RTL8211F (0x001cc916) */
 194                 reg = <0>;
 195
 196                 reset-assert-us = <10000>;
 197                 reset-deassert-us = <30000>;
 198                 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
 199
 200                 interrupt-parent = <&gpio_intc>;
 201                 /* MAC_INTR on GPIOZ_15 */
 202                 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
 203         };
 204 };
 205
 206 &hdmi_tx {
 207         status = "okay";
 208         pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
 209         pinctrl-names = "default";
 210         hdmi-supply = <&hdmi_5v>;
 211 };
 212
 213 &hdmi_tx_tmds_port {
 214         hdmi_tx_tmds_out: endpoint {
 215                 remote-endpoint = <&hdmi_connector_in>;
 216         };
 217 };
 218
 219 &i2c_A {
 220         status = "okay";
 221         pinctrl-0 = <&i2c_a_pins>;
 222         pinctrl-names = "default";
 223 };
 224
 225 &i2c_B {
 226         status = "okay";
 227         pinctrl-0 = <&i2c_b_pins>;
 228         pinctrl-names = "default";
 229
 230         rtc: rtc@51 {
 231                 /* has to be enabled manually when a battery is connected: */
 232                 status = "disabled";
 233                 compatible = "haoyu,hym8563";
 234                 reg = <0x51>;
 235                 #clock-cells = <0>;
 236                 clock-frequency = <32768>;
 237                 clock-output-names = "xin32k";
 238         };
 239 };
 240
 241 &ir {
 242         status = "okay";
 243         pinctrl-0 = <&remote_input_ao_pins>;
 244         pinctrl-names = "default";
 245         linux,rc-map-name = "rc-khadas";
 246 };
 247
 248 &pwm_AO_ab {
 249         status = "okay";
 250         pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
 251         pinctrl-names = "default";
 252         clocks = <&clkc CLKID_FCLK_DIV4>;
 253         clock-names = "clkin0";
 254 };
 255
 256 &pwm_ef {
 257         status = "okay";
 258         pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
 259         pinctrl-names = "default";
 260         clocks = <&clkc CLKID_FCLK_DIV4>;
 261         clock-names = "clkin0";
 262 };
 263
 264 &sd_emmc_a {
 265         status = "okay";
 266         pinctrl-0 = <&sdio_pins>;
 267         pinctrl-1 = <&sdio_clk_gate_pins>;
 268         pinctrl-names = "default", "clk-gate";
 269         #address-cells = <1>;
 270         #size-cells = <0>;
 271
 272         bus-width = <4>;
 273         max-frequency = <60000000>;
 274
 275         non-removable;
 276         disable-wp;
 277
 278         /* WiFi firmware requires power to be kept while in suspend */
 279         keep-power-in-suspend;
 280
 281         mmc-pwrseq = <&sdio_pwrseq>;
 282
 283         vmmc-supply = <&vddao_3v3>;
 284         vqmmc-supply = <&vddio_boot>;
 285
 286         brcmf: wifi@1 {
 287                 reg = <1>;
 288                 compatible = "brcm,bcm4329-fmac";
 289         };
 290 };
 291
 292 /* SD card */
 293 &sd_emmc_b {
 294         status = "okay";
 295         pinctrl-0 = <&sdcard_pins>;
 296         pinctrl-1 = <&sdcard_clk_gate_pins>;
 297         pinctrl-names = "default", "clk-gate";
 298
 299         bus-width = <4>;
 300         cap-sd-highspeed;
 301         max-frequency = <50000000>;
 302         disable-wp;
 303
 304         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
 305
 306         vmmc-supply = <&vddao_3v3>;
 307         vqmmc-supply = <&vddio_boot>;
 308 };
 309
 310 /* eMMC */
 311 &sd_emmc_c {
 312         status = "okay";
 313         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 314         pinctrl-1 = <&emmc_clk_gate_pins>;
 315         pinctrl-names = "default", "clk-gate";
 316
 317         bus-width = <8>;
 318         cap-mmc-highspeed;
 319         max-frequency = <200000000>;
 320         non-removable;
 321         disable-wp;
 322         mmc-ddr-1_8v;
 323         mmc-hs200-1_8v;
 324
 325         mmc-pwrseq = <&emmc_pwrseq>;
 326         vmmc-supply = <&vcc_3v3>;
 327         vqmmc-supply = <&vddio_boot>;
 328 };
 329
 330 /*
 331  * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
 332  * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
 333  */
 334 &spifc {
 335         status = "disabled";
 336         pinctrl-0 = <&nor_pins>;
 337         pinctrl-names = "default";
 338
 339         w25q32: spi-flash@0 {
 340                 #address-cells = <1>;
 341                 #size-cells = <1>;
 342                 compatible = "winbond,w25q16", "jedec,spi-nor";
 343                 reg = <0>;
 344                 spi-max-frequency = <3000000>;
 345         };
 346 };
 347
 348 /* This one is connected to the Bluetooth module */
 349 &uart_A {
 350         status = "okay";
 351         pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
 352         pinctrl-names = "default";
 353         uart-has-rtscts;
 354
 355         bluetooth {
 356                 compatible = "brcm,bcm43438-bt";
 357                 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
 358                 max-speed = <2000000>;
 359                 clocks = <&wifi32k>;
 360                 clock-names = "lpo";
 361         };
 362 };
 363
 364 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 365 &uart_AO {
 366         status = "okay";
 367         pinctrl-0 = <&uart_ao_a_pins>;
 368         pinctrl-names = "default";
 369 };
 370
 371 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 372 &uart_AO_B {
 373         status = "okay";
 374         pinctrl-0 = <&uart_ao_b_pins>;
 375         pinctrl-names = "default";
 376 };
 377
 378 &saradc {
 379         status = "okay";
 380         vref-supply = <&vddio_ao18>;
 381 };
 382
 383 &usb0 {
 384         status = "okay";
 385 };