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// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org>
*/
#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";
};
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