/* * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>. * Copyright (c) 2017 BayLibre, SAS * Author: Neil Armstrong <narmstrong@baylibre.com> * * SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ /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-min-level = <0>; cooling-max-level = <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>; }; }; }; }; 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-min-level = <0>; cooling-max-level = <6>; #cooling-cells = <2>; }; &cpu4 { cooling-min-level = <0>; cooling-max-level = <4>; #cooling-cells = <2>; }; ðmac { pinctrl-0 = <ð_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>; }; }; &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-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>; };