// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd * */ /dts-v1/; #include #include "rk3308.dtsi" / { model = "Rockchip RK3308 EVB"; compatible = "rockchip,rk3308-evb", "rockchip,rk3308"; chosen { stdout-path = "serial4:1500000n8"; }; adc-keys0 { compatible = "adc-keys"; io-channels = <&saradc 0>; io-channel-names = "buttons"; poll-interval = <100>; keyup-threshold-microvolt = <1800000>; button-func { linux,code = ; label = "function"; press-threshold-microvolt = <18000>; }; }; adc-keys1 { compatible = "adc-keys"; io-channels = <&saradc 1>; io-channel-names = "buttons"; poll-interval = <100>; keyup-threshold-microvolt = <1800000>; button-esc { linux,code = ; label = "micmute"; press-threshold-microvolt = <1130000>; }; button-home { linux,code = ; label = "mode"; press-threshold-microvolt = <901000>; }; button-menu { linux,code = ; label = "play"; press-threshold-microvolt = <624000>; }; button-down { linux,code = ; label = "volume down"; press-threshold-microvolt = <300000>; }; button-up { linux,code = ; label = "volume up"; press-threshold-microvolt = <18000>; }; }; gpio-keys { compatible = "gpio-keys"; autorepeat; pinctrl-names = "default"; pinctrl-0 = <&pwr_key>; key-power { gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>; linux,code = ; label = "GPIO Key Power"; debounce-interval = <100>; wakeup-source; }; }; vcc12v_dcin: regulator-vcc12v-dcin { compatible = "regulator-fixed"; regulator-name = "vcc12v_dcin"; regulator-min-microvolt = <12000000>; regulator-max-microvolt = <12000000>; regulator-always-on; regulator-boot-on; }; vcc5v0_sys: regulator-vcc5v0-sys { compatible = "regulator-fixed"; regulator-name = "vcc5v0_sys"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; regulator-always-on; regulator-boot-on; vin-supply = <&vcc12v_dcin>; }; vccio_sdio: vcc_1v8: regulator-vcc-1v8 { compatible = "regulator-fixed"; regulator-name = "vcc_1v8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-always-on; regulator-boot-on; vin-supply = <&vcc_io>; }; vcc_ddr: regulator-vcc-ddr { compatible = "regulator-fixed"; regulator-name = "vcc_ddr"; regulator-min-microvolt = <1500000>; regulator-max-microvolt = <1500000>; regulator-always-on; regulator-boot-on; vin-supply = <&vcc5v0_sys>; }; vcc_io: regulator-vcc-io { compatible = "regulator-fixed"; regulator-name = "vcc_io"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-always-on; regulator-boot-on; vin-supply = <&vcc5v0_sys>; }; vccio_flash: regulator-vccio-flash { compatible = "regulator-fixed"; regulator-name = "vccio_flash"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-always-on; regulator-boot-on; vin-supply = <&vcc_io>; }; vcc5v0_host: regulator-vcc5v0-host { compatible = "regulator-fixed"; gpio = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>; enable-active-high; pinctrl-names = "default"; pinctrl-0 = <&usb_drv>; regulator-name = "vbus_host"; vin-supply = <&vcc5v0_sys>; }; vdd_core: regulator-vdd-core { compatible = "pwm-regulator"; pwms = <&pwm0 0 5000 1>; regulator-name = "vdd_core"; regulator-min-microvolt = <827000>; regulator-max-microvolt = <1340000>; regulator-always-on; regulator-boot-on; regulator-settling-time-up-us = <250>; pwm-supply = <&vcc5v0_sys>; }; vdd_log: regulator-vdd-log { compatible = "regulator-fixed"; regulator-name = "vdd_log"; regulator-min-microvolt = <1050000>; regulator-max-microvolt = <1050000>; regulator-always-on; regulator-boot-on; vin-supply = <&vcc5v0_sys>; }; vdd_1v0: regulator-vdd-1v0 { compatible = "regulator-fixed"; regulator-name = "vdd_1v0"; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-always-on; regulator-boot-on; vin-supply = <&vcc5v0_sys>; }; }; &cpu0 { cpu-supply = <&vdd_core>; }; &saradc { status = "okay"; vref-supply = <&vcc_1v8>; }; &pinctrl { pinctrl-names = "default"; pinctrl-0 = <&rtc_32k>; buttons { pwr_key: pwr-key { rockchip,pins = <0 RK_PA6 0 &pcfg_pull_up>; }; }; usb { usb_drv: usb-drv { rockchip,pins = <0 RK_PC5 0 &pcfg_pull_none>; }; }; sdio-pwrseq { wifi_enable_h: wifi-enable-h { rockchip,pins = <0 RK_PA2 0 &pcfg_pull_none>; }; }; }; &pwm0 { status = "okay"; pinctrl-0 = <&pwm0_pin_pull_down>; }; &uart4 { pinctrl-names = "default"; pinctrl-0 = <&uart4_xfer>; status = "okay"; };