2025-04-02-Linux-驱动-FAQ

Author: lxg

_posts/2025-04-02-Linux-驱动-FAQ.md

@@ -0,0 +1,54 @@
+---
+layout:     post
+title:      Linux 驱动 FAQ
+subtitle:   日常问题记录
+date:       2025-04-02
+author:     LXG
+header-img: img/post-bg-phone.jpg
+catalog: true
+tags:
+    - linux
+---
+
+## A133 WIFI 无法打开问题
+
+**报错日志**
+
+```txt
+
+[    5.778834] [  T193] sunxi-rfkill soc@2900000:rfkill: module version: v1.1.0
+[    5.786803] [  T193] sunxi-rfkill soc@2900000:rfkill: pinctrl_lookup_state(default) failed! return ffffffffffffffed 
+[    5.798631] [  T193] sunxi-rfkill soc@2900000:rfkill: get gpio chip_en failed
+[    5.806645] [  T193] sunxi-rfkill soc@2900000:rfkill: power_en gpio=361 assert=1
+[    5.814973] [  T193] sunxi-rfkill soc@2900000:rfkill: wlan_busnum (1)
+[    5.822634] [  T193] sunxi-rfkill soc@2900000:rfkill: wlan power[0] (axp803-dldo1) voltage: 1800mV
+[    5.832704] [  T193] sunxi-rfkill soc@2900000:rfkill: wlan_regon gpio=359 assert=1
+[    5.841227] [  T193] sunxi-rfkill soc@2900000:rfkill: wlan_hostwake gpio=360 assert=1
+[    5.850019] [  T193] sunxi-rfkill soc@2900000:rfkill: wakeup source is enabled
+[    5.858251] [  T193] sunxi-rfkill soc@2900000:rfkill: bt power[0] (axp803-dldo1) voltage: 1800mV
+[    5.873840] [  T193] sunxi-rfkill soc@2900000:rfkill: bt_rst gpio=354 assert=0
+[    5.881922] [  T193] sun50iw10p1-r-pinctrl-aw 7022000.pinctrl: pin PL2 already requested by 7080000.uart; cannot claim for 7022000.pinctrl:354
+[    5.896201] [  T193] sun50iw10p1-r-pinctrl-aw 7022000.pinctrl: pin-354 (7022000.pinctrl:354) status -22
+[    5.906664] [  T193] sunxi-rfkill soc@2900000:rfkill: can't request bt_rst gpio 354
+
+```
+
+**问题原因**
+
+PL2 引脚配置冲突
+
+**修改方案**
+
+```dts
+
+	/* bt session */
+	bt {
+		compatible    = "allwinner,sunxi-bt";
+		clocks;
+		clock-names;
+		bt_power      = "axp803-dldo1";
+		bt_power_vol  = <1800000>;
+		bt_rst_n      = <&r_pio PL 4 GPIO_ACTIVE_LOW>; // 修改PL2 为 PL4
+	};
+
+```

_posts/2025-12-31-博客目录.md

@@ -2,7 +2,7 @@
 layout:     post
 title:      置顶-博客目录
 subtitle:   Rome was not built in a day
-date:       2025-03-26
+date:       2025-04-02
 author:     LXG
 header-img: img/post-bg-universe.jpg
 catalog: true
@@ -13,8 +13,34 @@ tags:
 
 [免费的壁纸网站](https://wallspic.com/cn)
 
+### 2025-03
+
+[2025-03-26-RK3568-Ubuntu移植](https://lixiaogang03.github.io/2025/03/26/RK3568-Ubuntu%E7%A7%BB%E6%A4%8D/)
+
+[2025-03-24-RK3588-Ubuntu移植](https://lixiaogang03.github.io/2025/03/24/RK3588-Ubuntu%E7%A7%BB%E6%A4%8D/)
+
+[2025-03-24-电路设计](https://lixiaogang03.github.io/2025/03/24/%E7%94%B5%E8%B7%AF%E8%AE%BE%E8%AE%A1/)
+
+[2025-03-22-AI开发框架](https://lixiaogang03.github.io/2025/03/22/AI%E5%BC%80%E5%8F%91%E6%A1%86%E6%9E%B6/)
+
+[2025-03-20-机器人](https://lixiaogang03.github.io/2025/03/20/%E6%9C%BA%E5%99%A8%E4%BA%BA/)
+
+[2025-03-14-嵌入式开发](https://lixiaogang03.github.io/2025/03/14/%E5%B5%8C%E5%85%A5%E5%BC%8F%E5%BC%80%E5%8F%91/)
+
+[2025-03-08-Android-VINTF-机制](https://lixiaogang03.github.io/2025/03/08/Android-VINTF-%E6%9C%BA%E5%88%B6/)
+
+[2025-03-03-显示驱动芯片](https://lixiaogang03.github.io/2025/03/03/%E6%98%BE%E7%A4%BA%E9%A9%B1%E5%8A%A8%E8%8A%AF%E7%89%87/)
+
 ### 2025-02
 
+[2025-02-27-智能驾驶](https://lixiaogang03.github.io/2025/02/27/%E6%99%BA%E8%83%BD%E9%A9%BE%E9%A9%B6/)
+
+[2025-02-20-A133音频设备](https://lixiaogang03.github.io/2025/02/21/A133%E9%9F%B3%E9%A2%91%E8%AE%BE%E5%A4%87/)
+
+[2025-02-17-双目摄像头](https://lixiaogang03.github.io/2025/02/17/%E5%8F%8C%E7%9B%AE%E6%91%84%E5%83%8F%E5%A4%B4/)
+
+[2025-02-14-AI大模型](https://lixiaogang03.github.io/2025/02/14/AI%E5%A4%A7%E6%A8%A1%E5%9E%8B/)
+
 [2025-02-11-Android-触摸旋转](https://lixiaogang03.github.io/2025/02/11/Android-%E8%A7%A6%E6%91%B8%E6%97%8B%E8%BD%AC/)
 
 [2025-02-07-硬件看门狗](https://lixiaogang03.github.io/2025/02/07/%E7%A1%AC%E4%BB%B6%E7%9C%8B%E9%97%A8%E7%8B%97/)