RK3568未找到ttysWK设备节点
在使能相应设备节点后，烧录内核镜像，在/dev中找不到ttysWK*执行dmesg | grep wk 的日志如下：
root@firefly:/home/firefly# dmesg|grep wk
[ 1.698273] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 1.698333] wk2xxx_probe() Can not read property power-gpio
[ 1.915310] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 1.915394] wk2xxx_probe() Can not read property power-gpio
[ 1.973897] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 1.973941] wk2xxx_probe() Can not read property power-gpio
[ 2.326726] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 2.326762] wk2xxx_probe() Can not read property power-gpio
[ 4.145193] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 4.145266] wk2xxx_probe() Can not read property power-gpio
[ 4.163622] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 4.163664] wk2xxx_probe() Can not read property power-gpio
[ 6.227995] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 6.228073] wk2xxx_probe() Can not read property power-gpio
[ 6.239275] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 6.239326] wk2xxx_probe() Can not read property power-gpio
[ 6.289764] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 6.289905] wk2xxx_probe() Can not read property power-gpio
[ 8.293450] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 8.293474] wk2xxx_probe() Can not read property power-gpio
[ 8.341840] 11wk2xxx_probe: setup mode 0, 8 bits/w, 10000000 Hz max
[ 8.341863] wk2xxx_probe() Can not read property power-gpio
若最新的5.10版本固件，使能spi1和spi_wk2xxx 后，仍无法找到/dev/ttysWK，但是内核打印信息不同：
root@firefly:/home/firefly# dmesg|grep wk
[ 5.944042] wk2xxx_init: SPI driver for spi to Uart chip WK2XXX, etc.
[ 5.944058] wk2xxx_init: V2.4 On 2022.07.24
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