ARM i.MX53: mba53: add Tevision Encoder

Enable tve on MBa53.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx53-mba53.dts

@@ -106,6 +106,16 @@ MX53_PAD_EIM_DA9__IPU_DISP1_DAT_0  0x10000
 			>;
 		};
 	};
+
+	tve {
+		pinctrl_vga_sync_1: vgasync-grp1 {
+			fsl,pins = <
+				/* VGA_VSYNC, HSYNC with max drive strength */
+				MX53_PAD_EIM_CS1__IPU_DI1_PIN6	   0xe6
+				MX53_PAD_EIM_DA15__IPU_DI1_PIN4	   0xe6
+			>;
+		};
+	};
 };
 
 &cspi {
@@ -174,3 +184,13 @@ &can2 {
 &i2c3 {
 	status = "okay";
 };
+
+&tve {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_vga_sync_1>;
+	ddc = <&i2c3>;
+	fsl,tve-mode = "vga";
+	fsl,hsync-pin = <4>;
+	fsl,vsync-pin = <6>;
+	status = "okay";
+};