ARM i.MX6q: Add LDB device to device tree

Add ldb device tree node and clock lookups.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6q.dtsi

@@ -338,3 +338,20 @@ ipu2: ipu@02800000 {
 		};
 	};
 };
+
+&ldb {
+	clocks = <&clks 33>, <&clks 34>,
+		 <&clks 39>, <&clks 40>, <&clks 41>, <&clks 42>,
+		 <&clks 135>, <&clks 136>;
+	clock-names = "di0_pll", "di1_pll",
+		      "di0_sel", "di1_sel", "di2_sel", "di3_sel",
+		      "di0", "di1";
+
+	lvds-channel@0 {
+		crtcs = <&ipu1 0>, <&ipu1 1>, <&ipu2 0>, <&ipu2 1>;
+	};
+
+	lvds-channel@1 {
+		crtcs = <&ipu1 0>, <&ipu1 1>, <&ipu2 0>, <&ipu2 1>;
+	};
+};

arch/arm/boot/dts/imx6qdl.dtsi

@@ -536,6 +536,26 @@ gpr: iomuxc-gpr@020e0000 {
 				reg = <0x020e0000 0x38>;
 			};
 
+			ldb: ldb@020e0008 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx6q-ldb", "fsl,imx53-ldb";
+				gpr = <&gpr>;
+				status = "disabled";
+
+				lvds-channel@0 {
+					reg = <0>;
+					crtcs = <&ipu1 0>;
+					status = "disabled";
+				};
+
+				lvds-channel@1 {
+					reg = <1>;
+					crtcs = <&ipu1 1>;
+					status = "disabled";
+				};
+			};
+
 			dcic1: dcic@020e4000 {
 				reg = <0x020e4000 0x4000>;
 				interrupts = <0 124 0x04>;