// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright (c) 2019 BayLibre, SAS * Author: Neil Armstrong * Copyright (c) 2019 Christian Hewitt */ #include #include / { aliases { serial0 = &uart_AO; ethernet0 = ðmac; }; chosen { stdout-path = "serial0:115200n8"; }; memory@0 { device_type = "memory"; reg = <0x0 0x0 0x0 0x80000000>; }; adc-keys { compatible = "adc-keys"; io-channels = <&saradc 2>; io-channel-names = "buttons"; keyup-threshold-microvolt = <1710000>; button-function { label = "Function"; linux,code = ; press-threshold-microvolt = <10000>; }; }; leds { compatible = "gpio-leds"; led-white { label = "vim3:white:sys"; gpios = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_HIGH>; linux,default-trigger = "heartbeat"; }; led-red { label = "vim3:red"; gpios = <&gpio_expander 5 GPIO_ACTIVE_HIGH>; }; }; emmc_pwrseq: emmc-pwrseq { compatible = "mmc-pwrseq-emmc"; reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>; }; gpio-keys-polled { compatible = "gpio-keys-polled"; poll-interval = <100>; power-button { label = "power"; linux,code = ; gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>; }; }; sdio_pwrseq: sdio-pwrseq { compatible = "mmc-pwrseq-simple"; reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; clocks = <&wifi32k>; clock-names = "ext_clock"; }; dc_in: regulator-dc_in { compatible = "regulator-fixed"; regulator-name = "DC_IN"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; regulator-always-on; }; vcc_5v: regulator-vcc_5v { compatible = "regulator-fixed"; regulator-name = "VCC_5V"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; vin-supply = <&dc_in>; gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>; enable-active-high; }; vcc_1v8: regulator-vcc_1v8 { compatible = "regulator-fixed"; regulator-name = "VCC_1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; vin-supply = <&vcc_3v3>; regulator-always-on; }; vcc_3v3: regulator-vcc_3v3 { compatible = "regulator-fixed"; regulator-name = "VCC_3V3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; vin-supply = <&vsys_3v3>; regulator-always-on; /* FIXME: actually controlled by VDDCPU_B_EN */ }; vddao_1v8: regulator-vddao_1v8 { compatible = "regulator-fixed"; regulator-name = "VDDIO_AO1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; vin-supply = <&vsys_3v3>; regulator-always-on; }; emmc_1v8: regulator-emmc_1v8 { compatible = "regulator-fixed"; regulator-name = "EMMC_AO1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; vin-supply = <&vcc_3v3>; regulator-always-on; }; vsys_3v3: regulator-vsys_3v3 { compatible = "regulator-fixed"; regulator-name = "VSYS_3V3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; vin-supply = <&dc_in>; regulator-always-on; }; usb_pwr: regulator-usb_pwr { compatible = "regulator-fixed"; regulator-name = "USB_PWR"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; vin-supply = <&vcc_5v>; gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>; enable-active-high; }; hdmi-connector { compatible = "hdmi-connector"; type = "a"; port { hdmi_connector_in: endpoint { remote-endpoint = <&hdmi_tx_tmds_out>; }; }; }; wifi32k: wifi32k { compatible = "pwm-clock"; #clock-cells = <0>; clock-frequency = <32768>; pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */ }; }; &cec_AO { pinctrl-0 = <&cec_ao_a_h_pins>; pinctrl-names = "default"; status = "disabled"; hdmi-phandle = <&hdmi_tx>; }; &cecb_AO { pinctrl-0 = <&cec_ao_b_h_pins>; pinctrl-names = "default"; status = "okay"; hdmi-phandle = <&hdmi_tx>; }; &cpu_thermal { trips { cpu_active: cpu-active { temperature = <80000>; /* millicelsius */ hysteresis = <2000>; /* millicelsius */ type = "active"; }; }; cooling-maps { map { trip = <&cpu_active>; cooling-device = <&khadas_mcu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; }; }; }; &ext_mdio { external_phy: ethernet-phy@0 { /* Realtek RTL8211F (0x001cc916) */ reg = <0>; max-speed = <1000>; interrupt-parent = <&gpio_intc>; /* MAC_INTR on GPIOZ_14 */ interrupts = <26 IRQ_TYPE_LEVEL_LOW>; }; }; ðmac { pinctrl-0 = <ð_pins>, <ð_rgmii_pins>; pinctrl-names = "default"; status = "okay"; phy-mode = "rgmii"; phy-handle = <&external_phy>; amlogic,tx-delay-ns = <2>; }; &hdmi_tx { status = "okay"; pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>; pinctrl-names = "default"; hdmi-supply = <&vcc_5v>; }; &hdmi_tx_tmds_port { hdmi_tx_tmds_out: endpoint { remote-endpoint = <&hdmi_connector_in>; }; }; &i2c_AO { status = "okay"; pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>; pinctrl-names = "default"; khadas_mcu: system-controller@18 { compatible = "khadas,mcu"; reg = <0x18>; #cooling-cells = <2>; }; gpio_expander: gpio-controller@20 { compatible = "ti,tca6408"; reg = <0x20>; vcc-supply = <&vcc_3v3>; gpio-controller; #gpio-cells = <2>; }; rtc@51 { compatible = "haoyu,hym8563"; reg = <0x51>; #clock-cells = <0>; }; }; &ir { status = "okay"; pinctrl-0 = <&remote_input_ao_pins>; pinctrl-names = "default"; linux,rc-map-name = "rc-khadas"; }; &pcie { reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>; }; &pwm_ef { status = "okay"; pinctrl-0 = <&pwm_e_pins>; pinctrl-names = "default"; }; &saradc { status = "okay"; vref-supply = <&vddao_1v8>; }; /* SDIO */ &sd_emmc_a { status = "okay"; pinctrl-0 = <&sdio_pins>; pinctrl-1 = <&sdio_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; #address-cells = <1>; #size-cells = <0>; bus-width = <4>; cap-sd-highspeed; max-frequency = <100000000>; non-removable; disable-wp; /* WiFi firmware requires power to be kept while in suspend */ keep-power-in-suspend; mmc-pwrseq = <&sdio_pwrseq>; vmmc-supply = <&vsys_3v3>; vqmmc-supply = <&vddao_1v8>; brcmf: wifi@1 { reg = <1>; compatible = "brcm,bcm4329-fmac"; }; }; /* SD card */ &sd_emmc_b { status = "okay"; pinctrl-0 = <&sdcard_c_pins>; pinctrl-1 = <&sdcard_clk_gate_c_pins>; pinctrl-names = "default", "clk-gate"; bus-width = <4>; cap-sd-highspeed; max-frequency = <50000000>; disable-wp; cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>; vmmc-supply = <&vsys_3v3>; vqmmc-supply = <&vsys_3v3>; }; /* eMMC */ &sd_emmc_c { status = "okay"; pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; pinctrl-1 = <&emmc_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; bus-width = <8>; cap-mmc-highspeed; mmc-ddr-1_8v; mmc-hs200-1_8v; max-frequency = <200000000>; disable-wp; mmc-pwrseq = <&emmc_pwrseq>; vmmc-supply = <&vcc_3v3>; vqmmc-supply = <&emmc_1v8>; }; /* * EMMC_D4, EMMC_D5, EMMC_D6 and EMMC_D7 pins are shared between SPI NOR CS * and eMMC Data 4 to 7 pins. * Replace emmc_data_8b_pins to emmc_data_4b_pins from sd_emmc_c pinctrl-0, * and change bus-width to 4 then spifc can be enabled. */ &spifc { status = "disabled"; pinctrl-0 = <&nor_pins>; pinctrl-names = "default"; w25q128: spi-flash@0 { #address-cells = <1>; #size-cells = <1>; compatible = "winbond,w25q128fw", "jedec,spi-nor"; reg = <0>; spi-max-frequency = <104000000>; }; }; &uart_A { status = "okay"; pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>; pinctrl-names = "default"; uart-has-rtscts; bluetooth { compatible = "brcm,bcm43438-bt"; shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>; max-speed = <2000000>; clocks = <&wifi32k>; clock-names = "lpo"; }; }; &uart_AO { status = "okay"; pinctrl-0 = <&uart_ao_a_pins>; pinctrl-names = "default"; }; &usb2_phy0 { phy-supply = <&dc_in>; }; &usb2_phy1 { phy-supply = <&usb_pwr>; }; &usb3_pcie_phy { phy-supply = <&usb_pwr>; }; &usb { status = "okay"; dr_mode = "peripheral"; };