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                 status = "okay";
 232                 compatible = "haoyu,hym8563";
 233                 reg = <0x51>;
 234                 #clock-cells = <0>;
 235                 clock-frequency = <32768>;
 236                 clock-output-names = "xin32k";
 237         };
 238 };
 239
 240 &ir {
 241         status = "okay";
 242         pinctrl-0 = <&remote_input_ao_pins>;
 243         pinctrl-names = "default";
 244         linux,rc-map-name = "rc-khadas";
 245 };
 246
 247 &pwm_AO_ab {
 248         status = "okay";
 249         pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
 250         pinctrl-names = "default";
 251         clocks = <&clkc CLKID_FCLK_DIV4>;
 252         clock-names = "clkin0";
 253 };
 254
 255 &pwm_ef {
 256         status = "okay";
 257         pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
 258         pinctrl-names = "default";
 259         clocks = <&clkc CLKID_FCLK_DIV4>;
 260         clock-names = "clkin0";
 261 };
 262
 263 &sd_emmc_a {
 264         status = "okay";
 265         pinctrl-0 = <&sdio_pins>;
 266         pinctrl-1 = <&sdio_clk_gate_pins>;
 267         pinctrl-names = "default", "clk-gate";
 268         #address-cells = <1>;
 269         #size-cells = <0>;
 270
 271         bus-width = <4>;
 272         max-frequency = <60000000>;
 273
 274         non-removable;
 275         disable-wp;
 276
 277         /* WiFi firmware requires power to be kept while in suspend */
 278         keep-power-in-suspend;
 279
 280         mmc-pwrseq = <&sdio_pwrseq>;
 281
 282         vmmc-supply = <&vddao_3v3>;
 283         vqmmc-supply = <&vddio_boot>;
 284
 285         brcmf: wifi@1 {
 286                 reg = <1>;
 287                 compatible = "brcm,bcm4329-fmac";
 288         };
 289 };
 290
 291 /* SD card */
 292 &sd_emmc_b {
 293         status = "okay";
 294         pinctrl-0 = <&sdcard_pins>;
 295         pinctrl-1 = <&sdcard_clk_gate_pins>;
 296         pinctrl-names = "default", "clk-gate";
 297
 298         bus-width = <4>;
 299         cap-sd-highspeed;
 300         max-frequency = <50000000>;
 301         disable-wp;
 302
 303         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
 304
 305         vmmc-supply = <&vddao_3v3>;
 306         vqmmc-supply = <&vddio_boot>;
 307 };
 308
 309 /* eMMC */
 310 &sd_emmc_c {
 311         status = "okay";
 312         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 313         pinctrl-1 = <&emmc_clk_gate_pins>;
 314         pinctrl-names = "default", "clk-gate";
 315
 316         bus-width = <8>;
 317         cap-mmc-highspeed;
 318         max-frequency = <200000000>;
 319         non-removable;
 320         disable-wp;
 321         mmc-ddr-1_8v;
 322         mmc-hs200-1_8v;
 323
 324         mmc-pwrseq = <&emmc_pwrseq>;
 325         vmmc-supply = <&vcc_3v3>;
 326         vqmmc-supply = <&vddio_boot>;
 327 };
 328
 329 /*
 330  * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
 331  * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
 332  */
 333 &spifc {
 334         status = "disabled";
 335         pinctrl-0 = <&nor_pins>;
 336         pinctrl-names = "default";
 337
 338         w25q32: spi-flash@0 {
 339                 #address-cells = <1>;
 340                 #size-cells = <1>;
 341                 compatible = "winbond,w25q16", "jedec,spi-nor";
 342                 reg = <0>;
 343                 spi-max-frequency = <104000000>;
 344         };
 345 };
 346
 347 /* This one is connected to the Bluetooth module */
 348 &uart_A {
 349         status = "okay";
 350         pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
 351         pinctrl-names = "default";
 352         uart-has-rtscts;
 353
 354         bluetooth {
 355                 compatible = "brcm,bcm43438-bt";
 356                 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
 357                 max-speed = <2000000>;
 358                 clocks = <&wifi32k>;
 359                 clock-names = "lpo";
 360         };
 361 };
 362
 363 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 364 &uart_AO {
 365         status = "okay";
 366         pinctrl-0 = <&uart_ao_a_pins>;
 367         pinctrl-names = "default";
 368 };
 369
 370 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 371 &uart_AO_B {
 372         status = "okay";
 373         pinctrl-0 = <&uart_ao_b_pins>;
 374         pinctrl-names = "default";
 375 };
 376
 377 &saradc {
 378         status = "okay";
 379         vref-supply = <&vddio_ao18>;
 380 };
 381
 382 &usb {
 383         status = "okay";
 384         dr_mode = "peripheral";
 385 };