Scroll to top of ScrollView

in functional components

import { useRef } from 'react';

const scrollRef = useRef();

const onPressTouch = () => {
  scrollRef.current?.scrollTo({
    y: 0,
    animated: true,
  });
}

<ScrollView ref={scrollRef}>
  ...your elements
</ScrollView>

<TouchableOpacity onPress={onPressTouch}></TouchableOpacity>