在默认内核配置下只需要修改dts文件即可完成配置// SPDX-License-Identifier: (GPL-2.0 OR MIT)/** Copyright (c) 2024 Rockchip Electronics Co., Ltd.*//dts-v1/;#include rk3506-luckfox-lyra-ultra.dtsi/ {model Luckfox Lyra Pi;compatible rockchip,rk3506g-demo-display-control, rockchip,rk3506;chosen {bootargs earlyconuart8250,mmio32,0xff0a0000 consoletty1 consolettyFIQ0 root/dev/mmcblk0p3 rootfstypeext4 rootwait snd_aloop.index7 snd_aloop.use_raw_jiffies1;};aliases {/* 保留文件内原有所有内容不要删除 */serial0 uart0;serial1 uart1;};es8311_sound: es8311-sound {status okay;compatible simple-audio-card;simple-audio-card,format i2s;simple-audio-card,mclk-fs 256;simple-audio-card,name rockchip,es8311-sound;simple-audio-card,cpu {sound-dai sai1;};simple-audio-card,codec {sound-dai es8311;};};vcc3v3_lcd: vcc3v3-lcd {status okay;compatible regulator-fixed;pinctrl-names default;pinctrl-0 lcd_pwren_h;regulator-name vcc3v3_lcd;regulator-always-on;};};....../*在最后加入*/uart1 {status okay;pinctrl-names default;pinctrl-0 rm_io12_uart1_tx rm_io13_uart1_rx;};lyra PI 的40PIN接口用16 脚 uart1-rx18脚 uart1-tx然后再选一个GND即可。
