A133 WIFI 无法打开问题
报错日志
[ 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
/* 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
};
