// SPDX-License-Identifier: (GPL-2.0 OR MIT) /* * Copyright (C) 2023 Jisheng Zhang */ #include "th1520-lichee-module-4a.dtsi" / { model = "Sipeed Lichee Pi 4A"; compatible = "sipeed,lichee-pi-4a", "sipeed,lichee-module-4a", "thead,th1520"; aliases { gpio0 = &gpio0; gpio1 = &gpio1; gpio2 = &gpio2; gpio3 = &gpio3; gpio4 = &gpio4; gpio5 = &aogpio; serial0 = &uart0; serial1 = &uart1; serial2 = &uart2; serial3 = &uart3; serial4 = &uart4; serial5 = &uart5; spi0 = &spi0; }; chosen { stdout-path = "serial0:115200n8"; }; thermal-zones { cpu-thermal { polling-delay = <1000>; polling-delay-passive = <1000>; thermal-sensors = <&pvt 0>; trips { fan_config0: fan-trip0 { temperature = <39000>; hysteresis = <5000>; type = "active"; }; fan_config1: fan-trip1 { temperature = <50000>; hysteresis = <5000>; type = "active"; }; fan_config2: fan-trip2 { temperature = <60000>; hysteresis = <5000>; type = "active"; }; }; cooling-maps { map-active-0 { cooling-device = <&fan 1 1>; trip = <&fan_config0>; }; map-active-1 { cooling-device = <&fan 2 2>; trip = <&fan_config1>; }; map-active-2 { cooling-device = <&fan 3 3>; trip = <&fan_config2>; }; }; }; }; fan: pwm-fan { pinctrl-names = "default"; pinctrl-0 = <&fan_pins>; compatible = "pwm-fan"; #cooling-cells = <2>; pwms = <&pwm 1 10000000 0>; cooling-levels = <0 66 196 255>; }; }; &padctrl0_apsys { fan_pins: fan-0 { pwm1-pins { pins = "GPIO3_3"; /* PWM1 */ function = "pwm"; bias-disable; drive-strength = <25>; input-disable; input-schmitt-disable; slew-rate = <0>; }; }; uart0_pins: uart0-0 { tx-pins { pins = "UART0_TXD"; function = "uart"; bias-disable; drive-strength = <3>; input-disable; input-schmitt-disable; slew-rate = <0>; }; rx-pins { pins = "UART0_RXD"; function = "uart"; bias-disable; drive-strength = <1>; input-enable; input-schmitt-enable; slew-rate = <0>; }; }; }; &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pins>; status = "okay"; };