// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2018 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
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*/
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include "meson8b.dtsi"
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/ {
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model = "Endless Computers Endless Mini";
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compatible = "endless,ec100", "amlogic,meson8b";
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aliases {
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serial0 = &uart_AO;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory {
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device_type = "memory";
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reg = <0x40000000 0x40000000>;
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};
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emmc_pwrseq: emmc-pwrseq {
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compatible = "mmc-pwrseq-emmc";
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reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
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};
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gpio-keys {
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compatible = "gpio-keys-polled";
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#address-cells = <1>;
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#size-cells = <0>;
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poll-interval = <100>;
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pal-switch {
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label = "pal";
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linux,input-type = <EV_SW>;
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linux,code = <KEY_SWITCHVIDEOMODE>;
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gpios = <&gpio GPIOH_7 GPIO_ACTIVE_LOW>;
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};
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ntsc-switch {
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label = "ntsc";
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linux,input-type = <EV_SW>;
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linux,code = <KEY_SWITCHVIDEOMODE>;
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gpios = <&gpio GPIOH_8 GPIO_ACTIVE_HIGH>;
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};
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power-button {
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label = "power";
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linux,code = <KEY_POWER>;
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gpios = <&gpio GPIOH_9 GPIO_ACTIVE_LOW>;
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};
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};
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gpio-poweroff {
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compatible = "gpio-poweroff";
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/*
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* shutdown is managed by the EC (embedded micro-controller)
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* which is configured through GPIOAO_2 (poweroff GPIO) and
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* GPIOAO_7 (power LED, which has to go LOW as well).
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*/
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gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
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timeout-ms = <20000>;
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};
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iio-hwmon {
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compatible = "iio-hwmon";
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io-channels = <&saradc 8>;
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};
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leds {
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compatible = "gpio-leds";
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power {
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label = "ec100:red:power";
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/*
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* Needs to go LOW (together with the poweroff GPIO)
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* during shutdown to allow the EC (embedded
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* micro-controller) to shutdown the system. Setting
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* the output to LOW signals the EC to start a
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* "breathing"/pulsing effect until the power is fully
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* turned off.
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*/
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gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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};
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};
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rtc32k_xtal: rtc32k-xtal-clk {
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/* X2 in the schematics */
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compatible = "fixed-clock";
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clock-frequency = <32768>;
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clock-output-names = "RTC32K";
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#clock-cells = <0>;
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};
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usb_vbus: regulator-usb-vbus {
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/*
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* Silergy SY6288CCAC-GP 2A Power Distribution Switch.
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*/
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compatible = "regulator-fixed";
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regulator-name = "USB_VBUS";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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vin-supply = <&vcc_5v>;
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/*
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* signal name from the schematics: USB_PWR_EN
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*/
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gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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vcc_5v: regulator-vcc5v {
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/*
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* supplied by the main power input which called PWR_5V_STB
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* in the schematics
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*/
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compatible = "regulator-fixed";
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regulator-name = "VCC5V";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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/*
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* signal name from the schematics: 3V3_5V_EN
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*/
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gpio = <&gpio GPIODV_29 GPIO_ACTIVE_LOW>;
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regulator-boot-on;
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regulator-always-on;
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};
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vcck: regulator-vcck {
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/*
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* Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
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* Synchronous Step Down Regulator.
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*/
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compatible = "pwm-regulator";
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regulator-name = "VCCK";
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regulator-min-microvolt = <860000>;
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regulator-max-microvolt = <1140000>;
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pwm-supply = <&vcc_5v>;
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pwms = <&pwm_cd 0 1148 0>;
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pwm-dutycycle-range = <100 0>;
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regulator-boot-on;
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regulator-always-on;
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};
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vcc_1v8: regulator-vcc1v8 {
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/*
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* ABLIC S-1339D18-M5001-GP
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*/
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compatible = "regulator-fixed";
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regulator-name = "VCC1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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vin-supply = <&vcc_3v3>;
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};
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vcc_3v3: regulator-vcc3v3 {
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/*
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* Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
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* Synchronous Step Down Regulator. Also called
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* VDDIO_AO3.3V in the schematics.
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*/
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compatible = "regulator-fixed";
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regulator-name = "VCC3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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vin-supply = <&vcc_5v>;
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};
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vcc_ddr3: regulator-vcc-ddr3 {
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/*
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* Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
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* Synchronous Step Down Regulator. Also called
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* DDR3_1.5V in the schematics.
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*/
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compatible = "regulator-fixed";
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regulator-name = "VCC_DDR3_1V5";
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <1500000>;
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vin-supply = <&vcc_5v>;
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regulator-boot-on;
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regulator-always-on;
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};
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vcc_rtc: regulator-vcc-rtc {
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/*
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* Global Mixed-mode Technology Inc. G918T12U-GP
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*/
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compatible = "regulator-fixed";
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regulator-name = "VCC_RTC";
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <900000>;
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/*
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* When the board is powered then the input is VCC3V3,
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* otherwise power is taken from the coin cell battery.
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*/
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vin-supply = <&vcc_3v3>;
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};
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vddee: regulator-vddee {
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/*
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* Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
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* Synchronous Step Down Regulator. Also called VDDAO
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* in a part of the schematics.
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*/
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compatible = "pwm-regulator";
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regulator-name = "VDDEE";
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regulator-min-microvolt = <860000>;
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regulator-max-microvolt = <1140000>;
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pwm-supply = <&vcc_5v>;
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pwms = <&pwm_cd 1 1148 0>;
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pwm-dutycycle-range = <100 0>;
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regulator-boot-on;
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regulator-always-on;
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};
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};
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&cpu0 {
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cpu-supply = <&vcck>;
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};
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ðmac {
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status = "okay";
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pinctrl-0 = <ð_rmii_pins>;
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pinctrl-names = "default";
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phy-handle = <ð_phy0>;
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phy-mode = "rmii";
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mdio {
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compatible = "snps,dwmac-mdio";
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#address-cells = <1>;
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#size-cells = <0>;
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eth_phy0: ethernet-phy@0 {
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/* IC Plus IP101A/G (0x02430c54) */
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reg = <0>;
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reset-assert-us = <10000>;
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reset-deassert-us = <10000>;
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reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
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icplus,select-interrupt;
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interrupt-parent = <&gpio_intc>;
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/* GPIOH_3 */
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interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
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};
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};
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};
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&i2c_A {
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status = "okay";
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pinctrl-0 = <&i2c_a_pins>;
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pinctrl-names = "default";
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rt5640: codec@1c {
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compatible = "realtek,rt5640";
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reg = <0x1c>;
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interrupt-parent = <&gpio_intc>;
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interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */
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realtek,in1-differential;
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};
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};
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&mali {
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mali-supply = <&vddee>;
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};
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&saradc {
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status = "okay";
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vref-supply = <&vcc_1v8>;
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};
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&sdhc {
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status = "okay";
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pinctrl-0 = <&sdxc_c_pins>;
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pinctrl-names = "default";
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bus-width = <8>;
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max-frequency = <50000000>;
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cap-mmc-highspeed;
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disable-wp;
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non-removable;
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no-sdio;
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mmc-pwrseq = <&emmc_pwrseq>;
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vmmc-supply = <&vcc_3v3>;
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vqmmc-supply = <&vcc_3v3>;
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};
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&sdio {
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status = "okay";
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pinctrl-0 = <&sd_b_pins>;
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pinctrl-names = "default";
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/* SD card */
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sd_card_slot: slot@1 {
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compatible = "mmc-slot";
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reg = <1>;
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status = "okay";
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bus-width = <4>;
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no-sdio;
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cap-mmc-highspeed;
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cap-sd-highspeed;
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disable-wp;
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cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
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vmmc-supply = <&vcc_3v3>;
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};
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};
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&gpio_ao {
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gpio-line-names = "Linux_TX", "Linux_RX",
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"SLP_S5_N", "USB2_OC_FLAG#",
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"HUB_RST", "USB_PWR_EN",
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"I2S_IN", "SLP_S1_N",
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"TCK", "TMS", "TDI", "TDO",
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"HDMI_CEC", "5640_IRQ",
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"MUTE", "S805_TEST#";
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};
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&gpio {
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gpio-line-names = /* Bank GPIOX */
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"WIFI_SD_D0", "WIFI_SD_D1", "WIFI_SD_D2",
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"WIFI_SD_D3", "BTPCM_DOUT", "BTPCM_DIN",
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"BTPCM_SYNC", "BTPCM_CLK", "WIFI_SD_CLK",
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"WIFI_SD_CMD", "WIFI_32K", "WIFI_PWREN",
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"UART_B_TX", "UART_B_RX", "UART_B_CTS_N",
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"UART_B_RTS_N", "BT_EN", "WIFI_WAKE_HOST",
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/* Bank GPIOY */
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"", "", "", "", "", "", "", "", "", "",
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"", "",
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/* Bank GPIODV */
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"VCCK_PWM_C", "I2C_SDA_A", "I2C_SCL_A",
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"I2C_SDA_B", "I2C_SCL_B", "VDDEE_PWM_D",
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"VDDEE_PWM 3V3_5V_EN",
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/* Bank GPIOH */
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"HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
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"RMII_IRQ", "RMII_RST#", "RMII_TXD1",
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"RMII_TXD0", "AV_select_1", "AV_select_2",
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"MCU_Control_S",
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/* Bank CARD */
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"SD_D1_B", "SD_D0_B", "SD_CLK_8726MX",
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"SD_CMD_8726MX", "SD_D3_B", "SD_D2_B",
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"CARD_EN_DET (CARD_DET)",
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/* Bank BOOT */
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"NAND_D0 (EMMC)", "NAND_D1 (EMMC)",
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"NAND_D2 (EMMC)", "NAND_D3 (EMMC)",
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"NAND_D4 (EMMC)", "NAND_D5 (EMMC)",
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"NAND_D6 (EMMC)", "NAND_D7 (EMMC)",
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"NAND_CS1 (EMMC)", "NAND_CS2 iNAND_RS1 (EMMC)",
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"NAND_nR/B iNAND_CMD (EMMC)", "NAND_ALE (EMMC)",
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"NAND_CLE (EMMC)", "nRE_S1 NAND_nRE (EMMC)",
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"nWE_S1 NAND_nWE (EMMC)", "", "", "SPI_CS",
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/* Bank DIF */
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"RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV",
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"RMII_50M_IN", "GPIODIF_4", "GPIODIF_5",
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"RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC",
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"RMII_MDIO";
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};
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&pwm_cd {
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status = "okay";
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pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
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pinctrl-names = "default";
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clocks = <&xtal>, <&xtal>;
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clock-names = "clkin0", "clkin1";
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};
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&rtc {
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status = "okay";
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clocks = <&rtc32k_xtal>;
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vdd-supply = <&vcc_rtc>;
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};
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/* exposed through the pin headers labeled "URDUG1" on the top of the PCB */
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&uart_AO {
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status = "okay";
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pinctrl-0 = <&uart_ao_a_pins>;
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pinctrl-names = "default";
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};
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/*
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* connected to the Bluetooth part of the RTL8723BS SDIO wifi / Bluetooth
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* combo chip. This is only available on the variant with 2GB RAM.
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*/
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&uart_B {
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status = "okay";
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pinctrl-0 = <&uart_b0_pins>, <&uart_b0_cts_rts_pins>;
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pinctrl-names = "default";
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uart-has-rtscts;
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};
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&usb1 {
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status = "okay";
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vbus-supply = <&usb_vbus>;
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};
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&usb1_phy {
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status = "okay";
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};
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