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 "meson-gxm.dtsi"
  11 #include <dt-bindings/input/input.h>
  12 #include <dt-bindings/sound/meson-aiu.h>
  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         led-controller {
  85                 compatible = "pwm-leds";
  86
  87                 led-1 {
  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         sound {
 150                 compatible = "amlogic,gx-sound-card";
 151                 model = "KHADAS-VIM2";
 152                 assigned-clocks = <&clkc CLKID_MPLL0>,
 153                                   <&clkc CLKID_MPLL1>,
 154                                   <&clkc CLKID_MPLL2>;
 155                 assigned-clock-parents = <0>, <0>, <0>;
 156                 assigned-clock-rates = <294912000>,
 157                                        <270950400>,
 158                                        <393216000>;
 159                 status = "okay";
 160
 161                 dai-link-0 {
 162                         sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
 163                 };
 164
 165                 dai-link-1 {
 166                         sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
 167                         dai-format = "i2s";
 168                         mclk-fs = <256>;
 169
 170                         codec-0 {
 171                                 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
 172                         };
 173                 };
 174
 175                 dai-link-2 {
 176                         sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
 177
 178                         codec-0 {
 179                                 sound-dai = <&hdmi_tx>;
 180                         };
 181                 };
 182         };
 183 };
 184
 185 &aiu {
 186         status = "okay";
 187 };
 188
 189 &cec_AO {
 190         status = "okay";
 191         pinctrl-0 = <&ao_cec_pins>;
 192         pinctrl-names = "default";
 193         hdmi-phandle = <&hdmi_tx>;
 194 };
 195
 196 &cpu_cooling_maps {
 197         map0 {
 198                 cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
 199         };
 200
 201         map1 {
 202                 cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>,
 203                                  <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 204                                  <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 205                                  <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 206                                  <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 207                                  <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 208                                  <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 209                                  <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 210                                  <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 211         };
 212 };
 213
 214 &ethmac {
 215         pinctrl-0 = <&eth_pins>;
 216         pinctrl-names = "default";
 217
 218         /* Select external PHY by default */
 219         phy-handle = <&external_phy>;
 220
 221         amlogic,tx-delay-ns = <2>;
 222
 223         /* External PHY is in RGMII */
 224         phy-mode = "rgmii";
 225
 226         status = "okay";
 227 };
 228
 229 &external_mdio {
 230         external_phy: ethernet-phy@0 {
 231                 /* Realtek RTL8211F (0x001cc916) */
 232                 reg = <0>;
 233
 234                 reset-assert-us = <10000>;
 235                 reset-deassert-us = <80000>;
 236                 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
 237
 238                 interrupt-parent = <&gpio_intc>;
 239                 /* MAC_INTR on GPIOZ_15 */
 240                 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
 241         };
 242 };
 243
 244 &hdmi_tx {
 245         status = "okay";
 246         pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
 247         pinctrl-names = "default";
 248         hdmi-supply = <&hdmi_5v>;
 249 };
 250
 251 &hdmi_tx_tmds_port {
 252         hdmi_tx_tmds_out: endpoint {
 253                 remote-endpoint = <&hdmi_connector_in>;
 254         };
 255 };
 256
 257 &i2c_A {
 258         status = "okay";
 259         pinctrl-0 = <&i2c_a_pins>;
 260         pinctrl-names = "default";
 261 };
 262
 263 &i2c_B {
 264         status = "okay";
 265         pinctrl-0 = <&i2c_b_pins>;
 266         pinctrl-names = "default";
 267
 268         rtc: rtc@51 {
 269                 status = "okay";
 270                 compatible = "haoyu,hym8563";
 271                 reg = <0x51>;
 272                 #clock-cells = <0>;
 273                 clock-frequency = <32768>;
 274                 clock-output-names = "xin32k";
 275         };
 276 };
 277
 278 &ir {
 279         status = "okay";
 280         pinctrl-0 = <&remote_input_ao_pins>;
 281         pinctrl-names = "default";
 282         linux,rc-map-name = "rc-khadas";
 283 };
 284
 285 &pwm_AO_ab {
 286         status = "okay";
 287         pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
 288         pinctrl-names = "default";
 289         clocks = <&clkc CLKID_FCLK_DIV4>;
 290         clock-names = "clkin0";
 291 };
 292
 293 &pwm_ef {
 294         status = "okay";
 295         pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
 296         pinctrl-names = "default";
 297         clocks = <&clkc CLKID_FCLK_DIV4>;
 298         clock-names = "clkin0";
 299 };
 300
 301 &sd_emmc_a {
 302         status = "okay";
 303         pinctrl-0 = <&sdio_pins>;
 304         pinctrl-1 = <&sdio_clk_gate_pins>;
 305         pinctrl-names = "default", "clk-gate";
 306         #address-cells = <1>;
 307         #size-cells = <0>;
 308
 309         bus-width = <4>;
 310         cap-sd-highspeed;
 311         max-frequency = <100000000>;
 312
 313         non-removable;
 314         disable-wp;
 315
 316         /* WiFi firmware requires power to be kept while in suspend */
 317         keep-power-in-suspend;
 318
 319         mmc-pwrseq = <&sdio_pwrseq>;
 320
 321         vmmc-supply = <&vddao_3v3>;
 322         vqmmc-supply = <&vddio_boot>;
 323
 324         brcmf: wifi@1 {
 325                 reg = <1>;
 326                 compatible = "brcm,bcm4329-fmac";
 327         };
 328 };
 329
 330 /* SD card */
 331 &sd_emmc_b {
 332         status = "okay";
 333         pinctrl-0 = <&sdcard_pins>;
 334         pinctrl-1 = <&sdcard_clk_gate_pins>;
 335         pinctrl-names = "default", "clk-gate";
 336
 337         bus-width = <4>;
 338         cap-sd-highspeed;
 339         max-frequency = <50000000>;
 340         disable-wp;
 341
 342         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
 343
 344         vmmc-supply = <&vddao_3v3>;
 345         vqmmc-supply = <&vddio_boot>;
 346 };
 347
 348 /* eMMC */
 349 &sd_emmc_c {
 350         status = "okay";
 351         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 352         pinctrl-1 = <&emmc_clk_gate_pins>;
 353         pinctrl-names = "default", "clk-gate";
 354
 355         bus-width = <8>;
 356         cap-mmc-highspeed;
 357         max-frequency = <200000000>;
 358         non-removable;
 359         disable-wp;
 360         mmc-ddr-1_8v;
 361         mmc-hs200-1_8v;
 362
 363         mmc-pwrseq = <&emmc_pwrseq>;
 364         vmmc-supply = <&vcc_3v3>;
 365         vqmmc-supply = <&vddio_boot>;
 366 };
 367
 368 /*
 369  * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
 370  * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
 371  */
 372 &spifc {
 373         status = "disabled";
 374         pinctrl-0 = <&nor_pins>;
 375         pinctrl-names = "default";
 376
 377         w25q32: spi-flash@0 {
 378                 #address-cells = <1>;
 379                 #size-cells = <1>;
 380                 compatible = "winbond,w25q16", "jedec,spi-nor";
 381                 reg = <0>;
 382                 spi-max-frequency = <104000000>;
 383         };
 384 };
 385
 386 /* This one is connected to the Bluetooth module */
 387 &uart_A {
 388         status = "okay";
 389         pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
 390         pinctrl-names = "default";
 391         uart-has-rtscts;
 392
 393         bluetooth {
 394                 compatible = "brcm,bcm43438-bt";
 395                 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
 396                 max-speed = <2000000>;
 397                 clocks = <&wifi32k>;
 398                 clock-names = "lpo";
 399         };
 400 };
 401
 402 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 403 &uart_AO {
 404         status = "okay";
 405         pinctrl-0 = <&uart_ao_a_pins>;
 406         pinctrl-names = "default";
 407 };
 408
 409 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 410 &uart_AO_B {
 411         status = "okay";
 412         pinctrl-0 = <&uart_ao_b_pins>;
 413         pinctrl-names = "default";
 414 };
 415
 416 &saradc {
 417         status = "okay";
 418         vref-supply = <&vddio_ao18>;
 419 };
 420
 421 &usb {
 422         status = "okay";
 423         dr_mode = "peripheral";
 424 };