mirror of https://gitee.com/openkylin/linux.git
368 lines
7.1 KiB
Plaintext
368 lines
7.1 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2019 BayLibre, SAS
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* Author: Neil Armstrong <narmstrong@baylibre.com>
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* Copyright (c) 2019 Christian Hewitt <christianshewitt@gmail.com>
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*/
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/gpio/meson-g12a-gpio.h>
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/ {
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model = "Khadas VIM3";
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aliases {
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serial0 = &uart_AO;
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ethernet0 = ðmac;
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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 2>;
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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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leds {
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compatible = "gpio-leds";
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white {
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label = "vim3:white:sys";
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gpios = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "heartbeat";
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};
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red {
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label = "vim3:red";
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gpios = <&gpio_expander 5 GPIO_ACTIVE_LOW>;
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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_12 GPIO_ACTIVE_LOW>;
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};
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gpio-keys-polled {
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compatible = "gpio-keys-polled";
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poll-interval = <100>;
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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_ao GPIOAO_7 GPIO_ACTIVE_LOW>;
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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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dc_in: regulator-dc_in {
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compatible = "regulator-fixed";
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regulator-name = "DC_IN";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-always-on;
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};
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vcc_5v: regulator-vcc_5v {
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compatible = "regulator-fixed";
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regulator-name = "VCC_5V";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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vin-supply = <&dc_in>;
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gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
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enable-active-high;
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};
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vcc_1v8: regulator-vcc_1v8 {
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compatible = "regulator-fixed";
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regulator-name = "VCC_1V8";
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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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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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vin-supply = <&vsys_3v3>;
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regulator-always-on;
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/* FIXME: actually controlled by VDDCPU_B_EN */
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};
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vddao_1v8: regulator-vddao_1v8 {
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compatible = "regulator-fixed";
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regulator-name = "VDDIO_AO1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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vin-supply = <&vsys_3v3>;
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regulator-always-on;
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};
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emmc_1v8: regulator-emmc_1v8 {
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compatible = "regulator-fixed";
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regulator-name = "EMMC_AO1V8";
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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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regulator-always-on;
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};
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vsys_3v3: regulator-vsys_3v3 {
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compatible = "regulator-fixed";
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regulator-name = "VSYS_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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vin-supply = <&dc_in>;
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regulator-always-on;
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};
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usb_pwr: regulator-usb_pwr {
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compatible = "regulator-fixed";
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regulator-name = "USB_PWR";
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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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gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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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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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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pinctrl-0 = <&cec_ao_a_h_pins>;
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pinctrl-names = "default";
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status = "disabled";
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hdmi-phandle = <&hdmi_tx>;
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};
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&cecb_AO {
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pinctrl-0 = <&cec_ao_b_h_pins>;
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pinctrl-names = "default";
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status = "okay";
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hdmi-phandle = <&hdmi_tx>;
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};
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&ext_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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max-speed = <1000>;
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interrupt-parent = <&gpio_intc>;
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/* MAC_INTR on GPIOZ_14 */
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interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
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};
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};
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ðmac {
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pinctrl-0 = <ð_pins>, <ð_rgmii_pins>;
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pinctrl-names = "default";
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status = "okay";
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phy-mode = "rgmii";
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phy-handle = <&external_phy>;
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amlogic,tx-delay-ns = <2>;
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};
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&hdmi_tx {
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status = "okay";
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pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
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pinctrl-names = "default";
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hdmi-supply = <&vcc_5v>;
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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_AO {
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status = "okay";
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pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
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pinctrl-names = "default";
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gpio_expander: gpio-controller@20 {
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compatible = "ti,tca6408";
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reg = <0x20>;
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vcc-supply = <&vcc_3v3>;
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gpio-controller;
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#gpio-cells = <2>;
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};
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rtc@51 {
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compatible = "haoyu,hym8563";
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reg = <0x51>;
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#clock-cells = <0>;
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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-khadas";
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};
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&pcie {
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reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
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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>;
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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 = <&vddao_1v8>;
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};
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/* SDIO */
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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-1 = <&sdio_clk_gate_pins>;
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pinctrl-names = "default", "clk-gate";
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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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cap-sd-highspeed;
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sd-uhs-sdr50;
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max-frequency = <100000000>;
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non-removable;
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disable-wp;
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/* WiFi firmware requires power to be kept while in suspend */
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keep-power-in-suspend;
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mmc-pwrseq = <&sdio_pwrseq>;
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vmmc-supply = <&vsys_3v3>;
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vqmmc-supply = <&vddao_1v8>;
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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_c_pins>;
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pinctrl-1 = <&sdcard_clk_gate_c_pins>;
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pinctrl-names = "default", "clk-gate";
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bus-width = <4>;
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cap-sd-highspeed;
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max-frequency = <50000000>;
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disable-wp;
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cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
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vmmc-supply = <&vsys_3v3>;
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vqmmc-supply = <&vsys_3v3>;
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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-1 = <&emmc_clk_gate_pins>;
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pinctrl-names = "default", "clk-gate";
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bus-width = <8>;
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cap-mmc-highspeed;
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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max-frequency = <200000000>;
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disable-wp;
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mmc-pwrseq = <&emmc_pwrseq>;
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vmmc-supply = <&vcc_3v3>;
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vqmmc-supply = <&emmc_1v8>;
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};
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&uart_A {
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status = "okay";
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pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
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pinctrl-names = "default";
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uart-has-rtscts;
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bluetooth {
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compatible = "brcm,bcm43438-bt";
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shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
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max-speed = <2000000>;
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clocks = <&wifi32k>;
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clock-names = "lpo";
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};
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};
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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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&usb2_phy0 {
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phy-supply = <&dc_in>;
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};
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&usb2_phy1 {
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phy-supply = <&usb_pwr>;
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};
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&usb3_pcie_phy {
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phy-supply = <&usb_pwr>;
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};
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&usb {
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status = "okay";
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dr_mode = "peripheral";
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};
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