imx-drm: add imx6 DT configuration for HDMI

Extracted from another patch by Fabio Estevam, this adds the DT
configuration for HDMI output on the IMX6 SoCs

Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index fb28b2e..400bbc6 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -1368,6 +1368,16 @@
 				};
 			};
 
+			hdmi: hdmi@0120000 {
+				compatible = "fsl,imx6q-hdmi";
+				reg = <0x00120000 0x9000>;
+				interrupts = <0 115 0x04>;
+				gpr = <&gpr>;
+				clocks = <&clks 123>, <&clks 124>;
+				clock-names = "iahb", "isfr";
+				status = "disabled";
+			};
+
 			dcic1: dcic@020e4000 {
 				reg = <0x020e4000 0x4000>;
 				interrupts = <0 124 0x04>;