ARM: dts: sun8i: Add touchscreen node for sun8i-a23-polaroid-mid2809pxe04

Add a node enabling the gsl3670 touchscreen controller found on
sun8i-a23-polaroid-mid2809pxe04 tablets.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts
index c9213caf7424..9955f85f9147 100644
--- a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts
+++ b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts
@@ -90,3 +90,12 @@
                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
         };
 };
+
+&touchscreen {
+        reg = <0x40>;
+        compatible = "silead,gsl3670";
+        firmware-name = "gsl3670-polaroid-mid2809pxe04.fw";
+        touchscreen-size-x = <1660>;
+        touchscreen-size-y = <890>;
+        status = "okay";
+};