diff --git a/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w103.dts b/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w103.dts
index f934c3126b86..e90f476ccd2a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w103.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w103.dts
@@ -790,6 +790,8 @@
 
 					cy,vkeys_x = <1404>;
 					cy,vkeys_y = <1872>;
+					cy,max_x = <1872>;
+					cy,max_y = <1404>;
 					cy,revert_x = <0>;
 					cy,revert_y = <0>;
 					cy,xy_exchange = <0>;