diff --git a/target/linux/rockchip/files-6.1/arch/arm64/boot/dts/rockchip/rk3568-hinlink-opc.dtsi b/target/linux/rockchip/files-6.1/arch/arm64/boot/dts/rockchip/rk3568-hinlink-opc.dtsi
index 1c44b7a5e..d888e9b66 100644
--- a/target/linux/rockchip/files-6.1/arch/arm64/boot/dts/rockchip/rk3568-hinlink-opc.dtsi
+++ b/target/linux/rockchip/files-6.1/arch/arm64/boot/dts/rockchip/rk3568-hinlink-opc.dtsi
@@ -3,6 +3,7 @@
 
 /dts-v1/;
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pwm/pwm.h>
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/rockchip.h>