MCP251XFD_REG_IOCON_PM
u32 pin_mask = MCP251XFD_REG_IOCON_PM(offset);
mask = MCP251XFD_REG_IOCON_TRIS(1) | MCP251XFD_REG_IOCON_PM(1);
val = MCP251XFD_REG_IOCON_PM(1) | MCP251XFD_REG_IOCON_TRIS(1);