21.5.24 GPIO Input Source Select Control Register
| Bit Number | Name | Reset Value | Description | 
|---|---|---|---|
| [31:0] | MSS_GPINSOURCE | 0 | Used as select signal to generate a GPIO input signal by selecting two output signals from different IOMUXCELL or signals from I/O pads. | 
Note: Do not change these register fields dynamically for 005 and 010 devices, see System Registers Behavior for M2S005/010 Devices.
