arch/arm/boot/dts/amlogic/meson8b-ec100.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (c) 2018 Martin Blumenstingl <[email protected]>.
   4  */
   5
   6 /dts-v1/;
   7
   8 #include <dt-bindings/gpio/gpio.h>
   9 #include <dt-bindings/input/input.h>
  10
  11 #include "meson8b.dtsi"
  12
  13 / {
  14         model = "Endless Computers Endless Mini";
  15         compatible = "endless,ec100", "amlogic,meson8b";
  16
  17         aliases {
  18                 serial0 = &uart_AO;
  19         };
  20
  21         chosen {
  22                 stdout-path = "serial0:115200n8";
  23         };
  24
  25         memory@40000000 {
  26                 device_type = "memory";
  27                 reg = <0x40000000 0x40000000>;
  28         };
  29
  30         emmc_pwrseq: emmc-pwrseq {
  31                 compatible = "mmc-pwrseq-emmc";
  32                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
  33         };
  34
  35         gpio-keys {
  36                 compatible = "gpio-keys-polled";
  37                 poll-interval = <100>;
  38
  39                 pal-switch {
  40                         label = "pal";
  41                         linux,input-type = <EV_SW>;
  42                         linux,code = <KEY_SWITCHVIDEOMODE>;
  43                         gpios = <&gpio GPIOH_7 GPIO_ACTIVE_LOW>;
  44                 };
  45
  46                 ntsc-switch {
  47                         label = "ntsc";
  48                         linux,input-type = <EV_SW>;
  49                         linux,code = <KEY_SWITCHVIDEOMODE>;
  50                         gpios = <&gpio GPIOH_8 GPIO_ACTIVE_HIGH>;
  51                 };
  52
  53                 power-button {
  54                         label = "power";
  55                         linux,code = <KEY_POWER>;
  56                         gpios = <&gpio GPIOH_9 GPIO_ACTIVE_LOW>;
  57                 };
  58         };
  59
  60         gpio-poweroff {
  61                 compatible = "gpio-poweroff";
  62                 /*
  63                  * shutdown is managed by the EC (embedded micro-controller)
  64                  * which is configured through GPIOAO_2 (poweroff GPIO) and
  65                  * GPIOAO_7 (power LED, which has to go LOW as well).
  66                  */
  67                 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
  68                 timeout-ms = <20000>;
  69         };
  70
  71         leds {
  72                 compatible = "gpio-leds";
  73
  74                 led-power {
  75                         label = "ec100:red:power";
  76                         /*
  77                          * Needs to go LOW (together with the poweroff GPIO)
  78                          * during shutdown to allow the EC (embedded
  79                          * micro-controller) to shutdown the system. Setting
  80                          * the output to LOW signals the EC to start a
  81                          * "breathing"/pulsing effect until the power is fully
  82                          * turned off.
  83                          */
  84                         gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>;
  85                         default-state = "on";
  86                 };
  87         };
  88
  89         rtc32k_xtal: rtc32k-xtal-clk {
  90                 /* X2 in the schematics */
  91                 compatible = "fixed-clock";
  92                 clock-frequency = <32768>;
  93                 clock-output-names = "RTC32K";
  94                 #clock-cells = <0>;
  95         };
  96
  97         sound {
  98                 compatible = "amlogic,gx-sound-card";
  99                 model = "M8B-EC100";
 100
 101                 clocks = <&clkc CLKID_MPLL0>,
 102                          <&clkc CLKID_MPLL1>,
 103                          <&clkc CLKID_MPLL2>;
 104
 105                 assigned-clocks = <&clkc CLKID_MPLL0>,
 106                                   <&clkc CLKID_MPLL1>,
 107                                   <&clkc CLKID_MPLL2>;
 108                 assigned-clock-rates = <270950400>,
 109                                        <294912000>,
 110                                        <393216000>;
 111
 112                 dai-link-0 {
 113                         sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
 114                 };
 115
 116                 dai-link-1 {
 117                         sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
 118                         dai-format = "i2s";
 119                         mclk-fs = <256>;
 120
 121                         codec-0 {
 122                                 sound-dai = <&rt5640>;
 123                         };
 124                 };
 125         };
 126
 127         usb_vbus: regulator-usb-vbus {
 128                 /*
 129                  * Silergy SY6288CCAC-GP 2A Power Distribution Switch.
 130                  */
 131                 compatible = "regulator-fixed";
 132
 133                 regulator-name = "USB_VBUS";
 134
 135                 regulator-min-microvolt = <5000000>;
 136                 regulator-max-microvolt = <5000000>;
 137
 138                 vin-supply = <&vcc_5v>;
 139
 140                 /*
 141                  * signal name from the schematics: USB_PWR_EN
 142                  */
 143                 gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
 144                 enable-active-high;
 145         };
 146
 147         vcc_5v: regulator-vcc5v {
 148                 /*
 149                  * supplied by the main power input which called PWR_5V_STB
 150                  * in the schematics
 151                  */
 152                 compatible = "regulator-fixed";
 153
 154                 regulator-name = "VCC5V";
 155
 156                 regulator-min-microvolt = <5000000>;
 157                 regulator-max-microvolt = <5000000>;
 158
 159                 /*
 160                  * signal name from the schematics: 3V3_5V_EN
 161                  */
 162                 gpio = <&gpio GPIODV_29 GPIO_ACTIVE_LOW>;
 163
 164                 regulator-boot-on;
 165                 regulator-always-on;
 166         };
 167
 168         vcck: regulator-vcck {
 169                 /*
 170                  * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
 171                  * Synchronous Step Down Regulator.
 172                  */
 173                 compatible = "pwm-regulator";
 174
 175                 regulator-name = "VCCK";
 176                 regulator-min-microvolt = <860000>;
 177                 regulator-max-microvolt = <1140000>;
 178
 179                 pwm-supply = <&vcc_5v>;
 180
 181                 pwms = <&pwm_cd 0 1148 0>;
 182                 pwm-dutycycle-range = <100 0>;
 183
 184                 regulator-boot-on;
 185                 regulator-always-on;
 186         };
 187
 188         vcc_1v8: regulator-vcc1v8 {
 189                 /*
 190                  * ABLIC S-1339D18-M5001-GP
 191                  */
 192                 compatible = "regulator-fixed";
 193
 194                 regulator-name = "VCC1V8";
 195                 regulator-min-microvolt = <1800000>;
 196                 regulator-max-microvolt = <1800000>;
 197
 198                 vin-supply = <&vcc_3v3>;
 199         };
 200
 201         vcc_3v3: regulator-vcc3v3 {
 202                 /*
 203                  * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
 204                  * Synchronous Step Down Regulator. Also called
 205                  * VDDIO_AO3.3V in the schematics.
 206                  */
 207                 compatible = "regulator-fixed";
 208
 209                 regulator-name = "VCC3V3";
 210                 regulator-min-microvolt = <3300000>;
 211                 regulator-max-microvolt = <3300000>;
 212
 213                 vin-supply = <&vcc_5v>;
 214         };
 215
 216         vcc_ddr3: regulator-vcc-ddr3 {
 217                 /*
 218                  * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
 219                  * Synchronous Step Down Regulator. Also called
 220                  * DDR3_1.5V in the schematics.
 221                  */
 222                 compatible = "regulator-fixed";
 223
 224                 regulator-name = "VCC_DDR3_1V5";
 225                 regulator-min-microvolt = <1500000>;
 226                 regulator-max-microvolt = <1500000>;
 227
 228                 vin-supply = <&vcc_5v>;
 229
 230                 regulator-boot-on;
 231                 regulator-always-on;
 232         };
 233
 234         vcc_rtc: regulator-vcc-rtc {
 235                 /*
 236                  * Global Mixed-mode Technology Inc. G918T12U-GP
 237                  */
 238                 compatible = "regulator-fixed";
 239
 240                 regulator-name = "VCC_RTC";
 241                 regulator-min-microvolt = <900000>;
 242                 regulator-max-microvolt = <900000>;
 243
 244                 /*
 245                  * When the board is powered then the input is VCC3V3,
 246                  * otherwise power is taken from the coin cell battery.
 247                  */
 248                 vin-supply = <&vcc_3v3>;
 249         };
 250
 251         vddee: regulator-vddee {
 252                 /*
 253                  * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
 254                  * Synchronous Step Down Regulator. Also called VDDAO
 255                  * in a part of the schematics.
 256                  */
 257                 compatible = "pwm-regulator";
 258
 259                 regulator-name = "VDDEE";
 260                 regulator-min-microvolt = <860000>;
 261                 regulator-max-microvolt = <1140000>;
 262
 263                 pwm-supply = <&vcc_5v>;
 264
 265                 pwms = <&pwm_cd 1 1148 0>;
 266                 pwm-dutycycle-range = <100 0>;
 267
 268                 regulator-boot-on;
 269                 regulator-always-on;
 270         };
 271 };
 272
 273 &aiu {
 274         status = "okay";
 275
 276         pinctrl-0 = <&i2s_am_clk_pins>, <&i2s_out_ao_clk_pins>,
 277                     <&i2s_out_lr_clk_pins>, <&i2s_out_ch01_ao_pins>;
 278         pinctrl-names = "default";
 279 };
 280
 281 &cpu0 {
 282         cpu-supply = <&vcck>;
 283 };
 284
 285 &ethmac {
 286         status = "okay";
 287
 288         pinctrl-0 = <&eth_rmii_pins>;
 289         pinctrl-names = "default";
 290
 291         phy-handle = <&eth_phy0>;
 292         phy-mode = "rmii";
 293
 294         mdio {
 295                 compatible = "snps,dwmac-mdio";
 296                 #address-cells = <1>;
 297                 #size-cells = <0>;
 298
 299                 eth_phy0: ethernet-phy@0 {
 300                         /* IC Plus IP101A/G (0x02430c54) */
 301                         reg = <0>;
 302
 303                         reset-assert-us = <10000>;
 304                         reset-deassert-us = <10000>;
 305                         reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
 306
 307                         icplus,select-interrupt;
 308                         interrupt-parent = <&gpio_intc>;
 309                         /* GPIOH_3 */
 310                         interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
 311                 };
 312         };
 313 };
 314
 315 &i2c_A {
 316         status = "okay";
 317         pinctrl-0 = <&i2c_a_pins>;
 318         pinctrl-names = "default";
 319
 320         rt5640: codec@1c {
 321                 compatible = "realtek,rt5640";
 322
 323                 reg = <0x1c>;
 324
 325                 #sound-dai-cells = <0>;
 326
 327                 interrupt-parent = <&gpio_intc>;
 328                 interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */
 329
 330                 /*
 331                  * TODO: realtek,ldo1-en-gpios is connected to GPIO_BSD_EN.
 332                  * We currently cannot configure this pin correctly.
 333                  * Luckily for us it's in the "right" state by default.
 334                  */
 335                 realtek,in1-differential;
 336         };
 337 };
 338
 339 &mali {
 340         mali-supply = <&vddee>;
 341 };
 342
 343 &saradc {
 344         status = "okay";
 345         vref-supply = <&vcc_1v8>;
 346 };
 347
 348 &sdhc {
 349         status = "okay";
 350
 351         pinctrl-0 = <&sdxc_c_pins>;
 352         pinctrl-names = "default";
 353
 354         bus-width = <8>;
 355         max-frequency = <50000000>;
 356
 357         cap-mmc-highspeed;
 358         disable-wp;
 359         non-removable;
 360         no-sdio;
 361
 362         mmc-pwrseq = <&emmc_pwrseq>;
 363
 364         vmmc-supply = <&vcc_3v3>;
 365         vqmmc-supply = <&vcc_3v3>;
 366 };
 367
 368 &sdio {
 369         status = "okay";
 370
 371         pinctrl-0 = <&sd_b_pins>;
 372         pinctrl-names = "default";
 373
 374         /* SD card */
 375         sd_card_slot: slot@1 {
 376                 compatible = "mmc-slot";
 377                 reg = <1>;
 378                 status = "okay";
 379
 380                 bus-width = <4>;
 381                 no-sdio;
 382                 cap-mmc-highspeed;
 383                 cap-sd-highspeed;
 384                 disable-wp;
 385
 386                 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
 387
 388                 vmmc-supply = <&vcc_3v3>;
 389         };
 390 };
 391
 392 &gpio_ao {
 393         gpio-line-names = "Linux_TX", "Linux_RX",
 394                           "SLP_S5_N", "USB2_OC_FLAG#",
 395                           "HUB_RST", "USB_PWR_EN",
 396                           "I2S_IN", "SLP_S1_N",
 397                           "TCK", "TMS", "TDI", "TDO",
 398                           "HDMI_CEC", "5640_IRQ",
 399                           "MUTE", "S805_TEST#";
 400 };
 401
 402 &gpio {
 403         gpio-line-names = /* Bank GPIOX */
 404                           "WIFI_SD_D0", "WIFI_SD_D1", "WIFI_SD_D2",
 405                           "WIFI_SD_D3", "BTPCM_DOUT", "BTPCM_DIN",
 406                           "BTPCM_SYNC", "BTPCM_CLK", "WIFI_SD_CLK",
 407                           "WIFI_SD_CMD", "WIFI_32K", "WIFI_PWREN",
 408                           "UART_B_TX", "UART_B_RX", "UART_B_CTS_N",
 409                           "UART_B_RTS_N", "BT_EN", "WIFI_WAKE_HOST",
 410                           /* Bank GPIOY */
 411                           "", "", "", "", "", "", "", "", "", "",
 412                           "", "",
 413                           /* Bank GPIODV */
 414                           "VCCK_PWM_C", "I2C_SDA_A", "I2C_SCL_A",
 415                           "I2C_SDA_B", "I2C_SCL_B", "VDDEE_PWM_D",
 416                           "VDDEE_PWM 3V3_5V_EN",
 417                           /* Bank GPIOH */
 418                           "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
 419                           "RMII_IRQ", "RMII_RST#", "RMII_TXD1",
 420                           "RMII_TXD0", "AV_select_1", "AV_select_2",
 421                           "MCU_Control_S",
 422                           /* Bank CARD */
 423                           "SD_D1_B", "SD_D0_B", "SD_CLK_8726MX",
 424                           "SD_CMD_8726MX", "SD_D3_B", "SD_D2_B",
 425                           "CARD_EN_DET (CARD_DET)",
 426                           /* Bank BOOT */
 427                           "NAND_D0 (EMMC)", "NAND_D1 (EMMC)",
 428                           "NAND_D2 (EMMC)", "NAND_D3 (EMMC)",
 429                           "NAND_D4 (EMMC)", "NAND_D5 (EMMC)",
 430                           "NAND_D6 (EMMC)", "NAND_D7 (EMMC)",
 431                           "NAND_CS1 (EMMC)", "NAND_CS2 iNAND_RS1 (EMMC)",
 432                           "NAND_nR/B iNAND_CMD (EMMC)", "NAND_ALE (EMMC)",
 433                           "NAND_CLE (EMMC)", "nRE_S1 NAND_nRE (EMMC)",
 434                           "nWE_S1 NAND_nWE (EMMC)",  "", "", "", "SPI_CS",
 435                           /* Bank DIF */
 436                           "RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV",
 437                           "RMII_50M_IN", "GPIODIF_4", "GPIODIF_5",
 438                           "RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC",
 439                           "RMII_MDIO";
 440 };
 441
 442 &pwm_cd {
 443         status = "okay";
 444         pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
 445         pinctrl-names = "default";
 446         clocks = <&xtal>, <&xtal>;
 447         clock-names = "clkin0", "clkin1";
 448 };
 449
 450 &rtc {
 451         status = "okay";
 452         clocks = <&rtc32k_xtal>;
 453         vdd-supply = <&vcc_rtc>;
 454 };
 455
 456 /* exposed through the pin headers labeled "URDUG1" on the top of the PCB */
 457 &uart_AO {
 458         status = "okay";
 459         pinctrl-0 = <&uart_ao_a_pins>;
 460         pinctrl-names = "default";
 461 };
 462
 463 /*
 464  * connected to the Bluetooth part of the RTL8723BS SDIO wifi / Bluetooth
 465  * combo chip. This is only available on the variant with 2GB RAM.
 466  */
 467 &uart_B {
 468         status = "okay";
 469         pinctrl-0 = <&uart_b0_pins>, <&uart_b0_cts_rts_pins>;
 470         pinctrl-names = "default";
 471         uart-has-rtscts;
 472 };
 473
 474 &usb1 {
 475         status = "okay";
 476         vbus-supply = <&usb_vbus>;
 477 };
 478
 479 &usb1_phy {
 480         status = "okay";
 481 };