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

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