SPI 1 Chip Select and eHRPWM in OMAP-L138

Hi,

We are planning to use eHRPWM outputs in OMAP-L138 as PWM outputs for 4 Wire-Stepper Motor interface. This eHRPWM outputs are multiplexed with SPI 1 and SPI 0 interface. Another requirement is to configure OMAP-L138 as SPI 1  Slave interface with CS4.

Actually, SPI 1 interface CS 0/1 is used as eHRPWM outputs. SPI 1 CS 2/3 is used as UART 1 interface which we use as debug port. The next available Chip select is SCS4 and we are configuring OMAP as SPI - Slave.

Kindly confirm whether this configuration is feasible. We understand Pin MUX registers allow individual ChipSelect configuration for OMAP SPI 1 interface.

Thanks and Regards

R.Subramanian