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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
* Copyright (c) 2017 BayLibre, SAS
* Author: Neil Armstrong <narmstrong@baylibre.com>
*/
/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/thermal/thermal.h>
#include "meson-gxm.dtsi"
/ {
compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
model = "Khadas VIM2";
aliases {
serial0 = &uart_AO;
serial1 = &uart_A;
serial2 = &uart_AO_B;
};
chosen {
stdout-path = "serial0:115200n8";
};
memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x0 0x80000000>;
};
adc-keys {
compatible = "adc-keys";
io-channels = <&saradc 0>;
io-channel-names = "buttons";
keyup-threshold-microvolt = <1710000>;
button-function {
label = "Function";
linux,code = <KEY_FN>;
press-threshold-microvolt = <10000>;
};
};
emmc_pwrseq: emmc-pwrseq {
compatible = "mmc-pwrseq-emmc";
reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
};
gpio_fan: gpio-fan {
compatible = "gpio-fan";
gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH
&gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
/* Dummy RPM values since fan is optional */
gpio-fan,speed-map = <0 0
1 1
2 2
3 3>;
#cooling-cells = <2>;
};
gpio-keys-polled {
compatible = "gpio-keys-polled";
#address-cells = <1>;
#size-cells = <0>;
poll-interval = <100>;
button@0 {
label = "power";
linux,code = <KEY_POWER>;
gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
};
};
hdmi-connector {
compatible = "hdmi-connector";
type = "a";
port {
hdmi_connector_in: endpoint {
remote-endpoint = <&hdmi_tx_tmds_out>;
};
};
};
pwmleds {
compatible = "pwm-leds";
power {
label = "vim:red:power";
pwms = <&pwm_AO_ab 1 7812500 0>;
max-brightness = <255>;
linux,default-trigger = "default-on";
};
};
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
clocks = <&wifi32k>;
clock-names = "ext_clock";
};
thermal-zones {
cpu-thermal {
polling-delay-passive = <250>; /* milliseconds */
polling-delay = <1000>; /* milliseconds */
thermal-sensors = <&scpi_sensors 0>;
trips {
cpu_alert0: cpu-alert0 {
temperature = <70000>; /* millicelsius */
hysteresis = <2000>; /* millicelsius */
type = "active";
};
cpu_alert1: cpu-alert1 {
temperature = <80000>; /* millicelsius */
hysteresis = <2000>; /* millicelsius */
type = "passive";
};
};
cooling-maps {
map0 {
trip = <&cpu_alert0>;
cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
};
map1 {
trip = <&cpu_alert1>;
cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>;
};
map2 {
trip = <&cpu_alert1>;
cooling-device =
<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
map3 {
trip = <&cpu_alert1>;
cooling-device =
<&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
};
};
};
hdmi_5v: regulator-hdmi-5v {
compatible = "regulator-fixed";
regulator-name = "HDMI_5V";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-always-on;
};
vcc_3v3: regulator-vcc_3v3 {
compatible = "regulator-fixed";
regulator-name = "VCC_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
vddio_ao18: regulator-vddio_ao18 {
compatible = "regulator-fixed";
regulator-name = "VDDIO_AO18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
vddio_boot: regulator-vddio_boot {
compatible = "regulator-fixed";
regulator-name = "VDDIO_BOOT";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
vddao_3v3: regulator-vddao_3v3 {
compatible = "regulator-fixed";
regulator-name = "VDDAO_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
wifi32k: wifi32k {
compatible = "pwm-clock";
#clock-cells = <0>;
clock-frequency = <32768>;
pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
};
};
&cec_AO {
status = "okay";
pinctrl-0 = <&ao_cec_pins>;
pinctrl-names = "default";
hdmi-phandle = <&hdmi_tx>;
};
&cpu0 {
#cooling-cells = <2>;
};
&cpu1 {
#cooling-cells = <2>;
};
&cpu2 {
#cooling-cells = <2>;
};
&cpu3 {
#cooling-cells = <2>;
};
&cpu4 {
#cooling-cells = <2>;
};
&cpu5 {
#cooling-cells = <2>;
};
&cpu6 {
#cooling-cells = <2>;
};
&cpu7 {
#cooling-cells = <2>;
};
&ethmac {
pinctrl-0 = <&eth_pins>;
pinctrl-names = "default";
/* Select external PHY by default */
phy-handle = <&external_phy>;
amlogic,tx-delay-ns = <2>;
/* External PHY reset is shared with internal PHY Led signals */
snps,reset-gpio = <&gpio GPIOZ_14 0>;
snps,reset-delays-us = <0 10000 1000000>;
snps,reset-active-low;
/* External PHY is in RGMII */
phy-mode = "rgmii";
status = "okay";
};
&external_mdio {
external_phy: ethernet-phy@0 {
/* Realtek RTL8211F (0x001cc916) */
reg = <0>;
interrupt-parent = <&gpio_intc>;
/* MAC_INTR on GPIOZ_15 */
interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
};
};
&hdmi_tx {
status = "okay";
pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
pinctrl-names = "default";
};
&hdmi_tx_tmds_port {
hdmi_tx_tmds_out: endpoint {
remote-endpoint = <&hdmi_connector_in>;
};
};
&i2c_A {
status = "okay";
pinctrl-0 = <&i2c_a_pins>;
pinctrl-names = "default";
};
&i2c_B {
status = "okay";
pinctrl-0 = <&i2c_b_pins>;
pinctrl-names = "default";
rtc: rtc@51 {
/* has to be enabled manually when a battery is connected: */
status = "disabled";
compatible = "haoyu,hym8563";
reg = <0x51>;
#clock-cells = <0>;
clock-frequency = <32768>;
clock-output-names = "xin32k";
};
};
&ir {
status = "okay";
pinctrl-0 = <&remote_input_ao_pins>;
pinctrl-names = "default";
linux,rc-map-name = "rc-geekbox";
};
&pwm_AO_ab {
status = "okay";
pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
pinctrl-names = "default";
clocks = <&clkc CLKID_FCLK_DIV4>;
clock-names = "clkin0";
};
&pwm_ef {
status = "okay";
pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
pinctrl-names = "default";
clocks = <&clkc CLKID_FCLK_DIV4>;
clock-names = "clkin0";
};
&sd_emmc_a {
status = "okay";
pinctrl-0 = <&sdio_pins>;
pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
bus-width = <4>;
max-frequency = <100000000>;
non-removable;
disable-wp;
mmc-pwrseq = <&sdio_pwrseq>;
vmmc-supply = <&vddao_3v3>;
vqmmc-supply = <&vddio_boot>;
brcmf: wifi@1 {
reg = <1>;
compatible = "brcm,bcm4329-fmac";
};
};
/* SD card */
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
bus-width = <4>;
cap-sd-highspeed;
max-frequency = <100000000>;
disable-wp;
cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
cd-inverted;
vmmc-supply = <&vddao_3v3>;
vqmmc-supply = <&vddio_boot>;
};
/* eMMC */
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
pinctrl-names = "default";
bus-width = <8>;
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <200000000>;
non-removable;
disable-wp;
mmc-ddr-1_8v;
mmc-hs200-1_8v;
mmc-hs400-1_8v;
mmc-pwrseq = <&emmc_pwrseq>;
vmmc-supply = <&vcc_3v3>;
vqmmc-supply = <&vddio_boot>;
};
/*
* EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
* Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
*/
&spifc {
status = "disabled";
pinctrl-0 = <&nor_pins>;
pinctrl-names = "default";
w25q32: spi-flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "winbond,w25q16", "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <3000000>;
};
};
/* This one is connected to the Bluetooth module */
&uart_A {
status = "okay";
pinctrl-0 = <&uart_a_pins>;
pinctrl-names = "default";
};
/* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
&uart_AO {
status = "okay";
pinctrl-0 = <&uart_ao_a_pins>;
pinctrl-names = "default";
};
/* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
&uart_AO_B {
status = "okay";
pinctrl-0 = <&uart_ao_b_pins>;
pinctrl-names = "default";
};
&saradc {
status = "okay";
vref-supply = <&vddio_ao18>;
};
&usb0 {
status = "okay";
};