Here is the data sheet for the MCP42010:
<http://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf>

Here are my best guesses:

 - Pin 1 CS goes to Pin 11 / SPI1 CS0 (GPIO17) 
 - Pin 2 SCK goes to Pin 23 / SCLK (GPIO11) 
 - Pin 3 SI goes to Pin 19 / SPI0 MOSI (GPIO10) 
 - Pin 4 VSS goes to Ground 
 - Pin 5, 6, 7 are pot connections 
 - Pin 8, 9, 10 are pot connections 
 - Pin 11 and 12, I have no idea. 
 - Pin 13 goes to Pin 21 / SPI0 MISO (GPIO9) 
 - Pin 14 to positive

Thanks in advance for any help you can offer.  I've searched online for pinouts for ANY digital pot without any luck.