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- // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
- /*
- * Copyright (c) 2019 BayLibre, SAS
- * Author: Neil Armstrong <narmstrong@baylibre.com>
- * Copyright (c) 2019 Christian Hewitt <christianshewitt@gmail.com>
- */
- #include <dt-bindings/input/input.h>
- #include <dt-bindings/gpio/meson-g12a-gpio.h>
- / {
- aliases {
- serial0 = &uart_AO;
- ethernet0 = ðmac;
- };
- chosen {
- stdout-path = "serial0:115200n8";
- };
- memory@0 {
- device_type = "memory";
- reg = <0x0 0x0 0x0 0x80000000>;
- };
- adc-keys {
- compatible = "adc-keys";
- io-channels = <&saradc 2>;
- io-channel-names = "buttons";
- keyup-threshold-microvolt = <1710000>;
- button-function {
- label = "Function";
- linux,code = <KEY_FN>;
- press-threshold-microvolt = <10000>;
- };
- };
- leds {
- compatible = "gpio-leds";
- led-white {
- label = "vim3:white:sys";
- gpios = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>;
- linux,default-trigger = "heartbeat";
- };
- led-red {
- label = "vim3:red";
- gpios = <&gpio_expander 5 GPIO_ACTIVE_LOW>;
- };
- };
- emmc_pwrseq: emmc-pwrseq {
- compatible = "mmc-pwrseq-emmc";
- reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
- };
- gpio-keys-polled {
- compatible = "gpio-keys-polled";
- poll-interval = <100>;
- power-button {
- label = "power";
- linux,code = <KEY_POWER>;
- gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>;
- };
- };
- sdio_pwrseq: sdio-pwrseq {
- compatible = "mmc-pwrseq-simple";
- reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
- clocks = <&wifi32k>;
- clock-names = "ext_clock";
- };
- dc_in: regulator-dc_in {
- compatible = "regulator-fixed";
- regulator-name = "DC_IN";
- regulator-min-microvolt = <5000000>;
- regulator-max-microvolt = <5000000>;
- regulator-always-on;
- };
- vcc_5v: regulator-vcc_5v {
- compatible = "regulator-fixed";
- regulator-name = "VCC_5V";
- regulator-min-microvolt = <5000000>;
- regulator-max-microvolt = <5000000>;
- vin-supply = <&dc_in>;
- gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
- enable-active-high;
- };
- vcc_1v8: regulator-vcc_1v8 {
- compatible = "regulator-fixed";
- regulator-name = "VCC_1V8";
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <1800000>;
- vin-supply = <&vcc_3v3>;
- regulator-always-on;
- };
- vcc_3v3: regulator-vcc_3v3 {
- compatible = "regulator-fixed";
- regulator-name = "VCC_3V3";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- vin-supply = <&vsys_3v3>;
- regulator-always-on;
- /* FIXME: actually controlled by VDDCPU_B_EN */
- };
- vddao_1v8: regulator-vddao_1v8 {
- compatible = "regulator-fixed";
- regulator-name = "VDDIO_AO1V8";
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <1800000>;
- vin-supply = <&vsys_3v3>;
- regulator-always-on;
- };
- emmc_1v8: regulator-emmc_1v8 {
- compatible = "regulator-fixed";
- regulator-name = "EMMC_AO1V8";
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <1800000>;
- vin-supply = <&vcc_3v3>;
- regulator-always-on;
- };
- vsys_3v3: regulator-vsys_3v3 {
- compatible = "regulator-fixed";
- regulator-name = "VSYS_3V3";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- vin-supply = <&dc_in>;
- regulator-always-on;
- };
- usb_pwr: regulator-usb_pwr {
- compatible = "regulator-fixed";
- regulator-name = "USB_PWR";
- regulator-min-microvolt = <5000000>;
- regulator-max-microvolt = <5000000>;
- vin-supply = <&vcc_5v>;
- gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>;
- enable-active-high;
- };
- hdmi-connector {
- compatible = "hdmi-connector";
- type = "a";
- port {
- hdmi_connector_in: endpoint {
- remote-endpoint = <&hdmi_tx_tmds_out>;
- };
- };
- };
- wifi32k: wifi32k {
- compatible = "pwm-clock";
- #clock-cells = <0>;
- clock-frequency = <32768>;
- pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
- };
- };
- &cec_AO {
- pinctrl-0 = <&cec_ao_a_h_pins>;
- pinctrl-names = "default";
- status = "disabled";
- hdmi-phandle = <&hdmi_tx>;
- };
- &cecb_AO {
- pinctrl-0 = <&cec_ao_b_h_pins>;
- pinctrl-names = "default";
- status = "okay";
- hdmi-phandle = <&hdmi_tx>;
- };
- &cpu_thermal {
- trips {
- cpu_active: cpu-active {
- temperature = <80000>; /* millicelsius */
- hysteresis = <2000>; /* millicelsius */
- type = "active";
- };
- };
- cooling-maps {
- map {
- trip = <&cpu_active>;
- cooling-device = <&khadas_mcu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
- };
- };
- };
- &ext_mdio {
- external_phy: ethernet-phy@0 {
- /* Realtek RTL8211F (0x001cc916) */
- reg = <0>;
- max-speed = <1000>;
- interrupt-parent = <&gpio_intc>;
- /* MAC_INTR on GPIOZ_14 */
- interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
- };
- };
- ðmac {
- pinctrl-0 = <ð_pins>, <ð_rgmii_pins>;
- pinctrl-names = "default";
- status = "okay";
- phy-mode = "rgmii";
- phy-handle = <&external_phy>;
- amlogic,tx-delay-ns = <2>;
- };
- &hdmi_tx {
- status = "okay";
- pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
- pinctrl-names = "default";
- hdmi-supply = <&vcc_5v>;
- };
- &hdmi_tx_tmds_port {
- hdmi_tx_tmds_out: endpoint {
- remote-endpoint = <&hdmi_connector_in>;
- };
- };
- &i2c_AO {
- status = "okay";
- pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
- pinctrl-names = "default";
- khadas_mcu: system-controller@18 {
- compatible = "khadas,mcu";
- reg = <0x18>;
- #cooling-cells = <2>;
- };
- gpio_expander: gpio-controller@20 {
- compatible = "ti,tca6408";
- reg = <0x20>;
- vcc-supply = <&vcc_3v3>;
- gpio-controller;
- #gpio-cells = <2>;
- };
- rtc@51 {
- compatible = "haoyu,hym8563";
- reg = <0x51>;
- #clock-cells = <0>;
- };
- };
- &ir {
- status = "okay";
- pinctrl-0 = <&remote_input_ao_pins>;
- pinctrl-names = "default";
- linux,rc-map-name = "rc-khadas";
- };
- &pcie {
- reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
- };
- &pwm_ef {
- status = "okay";
- pinctrl-0 = <&pwm_e_pins>;
- pinctrl-names = "default";
- };
- &saradc {
- status = "okay";
- vref-supply = <&vddao_1v8>;
- };
- /* SDIO */
- &sd_emmc_a {
- status = "okay";
- pinctrl-0 = <&sdio_pins>;
- pinctrl-1 = <&sdio_clk_gate_pins>;
- pinctrl-names = "default", "clk-gate";
- #address-cells = <1>;
- #size-cells = <0>;
- bus-width = <4>;
- cap-sd-highspeed;
- max-frequency = <100000000>;
- non-removable;
- disable-wp;
- /* WiFi firmware requires power to be kept while in suspend */
- keep-power-in-suspend;
- mmc-pwrseq = <&sdio_pwrseq>;
- vmmc-supply = <&vsys_3v3>;
- vqmmc-supply = <&vddao_1v8>;
- brcmf: wifi@1 {
- reg = <1>;
- compatible = "brcm,bcm4329-fmac";
- };
- };
- /* SD card */
- &sd_emmc_b {
- status = "okay";
- pinctrl-0 = <&sdcard_c_pins>;
- pinctrl-1 = <&sdcard_clk_gate_c_pins>;
- pinctrl-names = "default", "clk-gate";
- bus-width = <4>;
- cap-sd-highspeed;
- max-frequency = <50000000>;
- disable-wp;
- cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
- vmmc-supply = <&vsys_3v3>;
- vqmmc-supply = <&vsys_3v3>;
- };
- /* eMMC */
- &sd_emmc_c {
- status = "okay";
- pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
- pinctrl-1 = <&emmc_clk_gate_pins>;
- pinctrl-names = "default", "clk-gate";
- bus-width = <8>;
- cap-mmc-highspeed;
- mmc-ddr-1_8v;
- mmc-hs200-1_8v;
- max-frequency = <200000000>;
- disable-wp;
- mmc-pwrseq = <&emmc_pwrseq>;
- vmmc-supply = <&vcc_3v3>;
- vqmmc-supply = <&emmc_1v8>;
- };
- /*
- * EMMC_D4, EMMC_D5, EMMC_D6 and EMMC_D7 pins are shared between SPI NOR CS
- * and eMMC Data 4 to 7 pins.
- * Replace emmc_data_8b_pins to emmc_data_4b_pins from sd_emmc_c pinctrl-0,
- * and change bus-width to 4 then spifc can be enabled.
- */
- &spifc {
- status = "disabled";
- pinctrl-0 = <&nor_pins>;
- pinctrl-names = "default";
- w25q128: spi-flash@0 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "winbond,w25q128fw", "jedec,spi-nor";
- reg = <0>;
- spi-max-frequency = <104000000>;
- };
- };
- &uart_A {
- status = "okay";
- pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
- pinctrl-names = "default";
- uart-has-rtscts;
- bluetooth {
- compatible = "brcm,bcm43438-bt";
- shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
- max-speed = <2000000>;
- clocks = <&wifi32k>;
- clock-names = "lpo";
- };
- };
- &uart_AO {
- status = "okay";
- pinctrl-0 = <&uart_ao_a_pins>;
- pinctrl-names = "default";
- };
- &usb2_phy0 {
- phy-supply = <&dc_in>;
- };
- &usb2_phy1 {
- phy-supply = <&usb_pwr>;
- };
- &usb3_pcie_phy {
- phy-supply = <&usb_pwr>;
- };
- &usb {
- status = "okay";
- dr_mode = "peripheral";
- };
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