UART2(ttymxc1) Flow Control Issue (CTS/RTS) EIM_D25/D26

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UART2(ttymxc1) Flow Control Issue (CTS/RTS) EIM_D25/D26

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PeterLikos1z
Contributor I

HW: iMX515

BSP: 10.2

Kernel: 2.6.35

 

UART2 Flow Control non operational using following IOMUX configuration.

 

IOMUXC_SW_MUX_CTL_PAD_EIM_D25, ALT4 mode (CTS)

IOMUXC_SW_MUX_CTL_PAD_EIM_D26, ALT4 mode (RTS)


CTS and RTS high at all times using BluezStack HCI Utility:

 

$ hciattach /dev/ttymxc1 any 115200 & 

 

Advise on new serial driver patch.

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