This is html file:
<mat-form-field>
<input matInput [matDatepicker]="picker" placeholder="Choose a date">
<mat-datepicker-toggle matSuffix [for]="picker"></mat-datepicker-toggle>
<mat-datepicker #picker></mat-datepicker>
</mat-form-field>
and datepicker is calling by clicking to icon (mat-datepicker-toggle). ->

but I want that datepicker will be called by clicking to input without icon like this

Here is example angular datepicker -> https://stackblitz.com/angular/xvjleypolka?file=src%2Fapp%2Fdatepicker-overview-example.html If you have another way to integrate datepicker to input in angular welcome