title: How to change the device's keyboard to uppercase?
body: <p>Here is my <code>input</code>:</p>
  
  <pre><code>&lt;ion-item&gt;
        &lt;ion-label color="primary"&gt;Nickname&lt;/ion-label&gt;
        &lt;ion-input formControlName="nickname" [(ngModel)]="nickname"&gt;&lt;/ion-input&gt;
  &lt;/ion-item&gt;
  </code></pre>
  
  <p>How to change the device's keyboard to uppercase using Ionic 2?</p>