http://stackoverflow.com/questions/41797485/emberjs-how-to-update-property-on-a-component-from-route/41798188

components.sis-db-description-render.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions:{
    updateTitle(){
      this.sendAction('showDescription','new-value');
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  actions: {

    showDescription: function (params) {

        this.set('model.selectedModule', params);

    }

}
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  selectedModule: '',
model: function () {
   return {
        selectedModule: 'employeeModule'
    };
}
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<div class="row">  
   {{sis-db-description-render idTitle=model.selectedModule showDescription="showDescription"}}
</div>
<br>
{{outlet}}
<br>
<br>

templates.components.sis-db-description-render.hbs

{{idTitle}}
<button {{action 'updateTitle'}}> UpdateTitle</button>
{{yield}}

twiddle.json

{
  "version": "0.11.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.2",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.10.2",
    "ember-testing": "2.10.2"
  },
  "addons": {}
}