WK2124 驱动不干活
[ 1.168526] 11wk2xxx_probe: setup mode 0, 8 bits/w, 1000000 Hz max[ 1.168665] of_get_named_gpiod_flags: parsed 'reset-gpio' property of node '/spi@ff530000/spi_wk2xxx@00' - status (0)
[ 1.338815] of_get_named_gpiod_flags: parsed 'irq-gpio' property of node '/spi@ff530000/spi_wk2xxx@00' - status (0)
[ 1.338887] of_get_named_gpiod_flags: parsed 'cs-gpio' property of node '/spi@ff530000/spi_wk2xxx@00' - status (0)
[ 1.339030] wk2xxx_probe()GENA = 0xFF
[ 1.339092] wk2xxxspi: probe of spi1.0 failed with error 1
测试发现WK2124驱动无法干活,这个一般是什么问题导致的?示波器发现,再WK2142的芯片的SDO引脚测试到SPI的输出,这个感觉不太对,不过从底板原理图来看,连接都是没有问题的,由于没有核心板的资料,无法确认。
请帮忙确认一下这个问题的可能原因?
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