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