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