diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index bc0ba94db1ef..6a4bfd57b9db 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -972,6 +972,7 @@
 					 <&cru PCLK_MIPI_DSI1>,
 					 <&cru SCLK_EDP_24M>,
 					 <&cru SCLK_EDP>,
+					 <&cru SCLK_HDMI_CEC>,
 					 <&cru SCLK_ISP_JPE>,
 					 <&cru SCLK_ISP>,
 					 <&cru SCLK_RGA>;
@@ -1572,8 +1573,8 @@
 		reg-io-width = <4>;
 		rockchip,grf = <&grf>;
 		interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&cru  PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_HDCP>;
-		clock-names = "iahb", "isfr";
+		clocks = <&cru  PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_HDCP>, <&cru SCLK_HDMI_CEC>;
+		clock-names = "iahb", "isfr", "cec";
 		pinctrl-names = "default", "sleep";
 		pinctrl-0 = <&hdmi_ddc>;
 		pinctrl-1 = <&hdmi_gpio>;
@@ -1958,6 +1959,10 @@
 						 &pcfg_pull_none>;
 			};
 
+			hdmi_cec: hdmi-cec {
+				rockchip,pins = <7 16 RK_FUNC_2 &pcfg_pull_none>;
+			};
+
 			hdmi_ddc: hdmi-ddc {
 				rockchip,pins = <7 19 RK_FUNC_2 &pcfg_pull_none>,
 						<7 20 RK_FUNC_2 &pcfg_pull_none>;