[media] add stih-cec driver into DT

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

arch/arm/boot/dts/stih407-family.dtsi

@@ -734,6 +734,18 @@ ethernet0: dwmac@9630000 {
 				 <&clk_s_c0_flexgen CLK_ETH_PHY>;
 		};
 
+		cec: sti-cec@094a087c {
+			compatible = "st,stih-cec";
+			reg = <0x94a087c 0x64>;
+			clocks = <&clk_sysin>;
+			clock-names = "cec-clk";
+			interrupts = <GIC_SPI 140 IRQ_TYPE_NONE>;
+			interrupt-names = "cec-irq";
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_cec0_default>;
+			resets = <&softreset STIH407_LPM_SOFTRESET>;
+		};
+
 		rng10: rng@08a89000 {
 			compatible      = "st,rng";
 			reg		= <0x08a89000 0x1000>;