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423 lines
8.4 KiB
423 lines
8.4 KiB
// SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
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/* |
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* Copyright (c) 2017 Martin Blumenstingl <[email protected]>. |
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* Copyright (c) 2017 BayLibre, SAS |
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* Author: Neil Armstrong <[email protected]> |
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*/ |
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/dts-v1/; |
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#include "meson-gxm.dtsi" |
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#include <dt-bindings/input/input.h> |
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#include <dt-bindings/sound/meson-aiu.h> |
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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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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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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_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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led-controller { |
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compatible = "pwm-leds"; |
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led-1 { |
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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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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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sound { |
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compatible = "amlogic,gx-sound-card"; |
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model = "KHADAS-VIM2"; |
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assigned-clocks = <&clkc CLKID_MPLL0>, |
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<&clkc CLKID_MPLL1>, |
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<&clkc CLKID_MPLL2>; |
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assigned-clock-parents = <0>, <0>, <0>; |
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assigned-clock-rates = <294912000>, |
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<270950400>, |
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<393216000>; |
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status = "okay"; |
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dai-link-0 { |
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sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>; |
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}; |
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dai-link-1 { |
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sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>; |
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dai-format = "i2s"; |
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mclk-fs = <256>; |
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codec-0 { |
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sound-dai = <&aiu AIU_HDMI CTRL_I2S>; |
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}; |
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}; |
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dai-link-2 { |
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sound-dai = <&aiu AIU_HDMI CTRL_OUT>; |
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codec-0 { |
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sound-dai = <&hdmi_tx>; |
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}; |
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}; |
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}; |
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}; |
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&aiu { |
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status = "okay"; |
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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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&cpu_cooling_maps { |
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map0 { |
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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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cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>, |
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<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, |
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<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, |
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<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, |
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<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, |
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<&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, |
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<&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, |
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<&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, |
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<&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; |
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}; |
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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 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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reset-assert-us = <10000>; |
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reset-deassert-us = <80000>; |
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reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; |
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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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hdmi-supply = <&hdmi_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_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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status = "okay"; |
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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-khadas"; |
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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-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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max-frequency = <60000000>; |
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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 = <&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-1 = <&sdcard_clk_gate_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 CARD_6 GPIO_ACTIVE_LOW>; |
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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-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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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-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 = <104000000>; |
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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>, <&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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/* 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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&usb { |
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status = "okay"; |
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dr_mode = "peripheral"; |
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};
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