My customer need I.MX8QX SPI0_MOSI default low for communicate to SPI device.
I try to modify pad/mux control register from kernel dts file as below . But the MOSI pin default always is high. (Besides open-drain) .
How can I set MOSI pin default low ? Thanks~
26-25(SW CONFIG) 6-5(pull) MOSI status
00b-DEFAULT 10b-pull down High
01b-OPEN-DRAIN 10b-pull down Always Low
10b-OPEN-DRAIN-INPUT 10b-pull down High
11b-INOUT 10b-pull down High