video: ipuv3: add DM_VIDEO support

Extend the driver to build with DM_VIDEO enabled. DTS files
must additionally include 'u-boot,dm-pre-reloc' property in
soc and ipu nodes to enable driver binding to ipu device.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/arch/arm/mach-imx/video.c b/arch/arm/mach-imx/video.c
index 953fe53..22a371a 100644
--- a/arch/arm/mach-imx/video.c
+++ b/arch/arm/mach-imx/video.c
@@ -4,6 +4,17 @@
 #include <linux/errno.h>
 #include <asm/mach-imx/video.h>
 
+#ifdef CONFIG_IMX_HDMI
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/io.h>
+
+int detect_hdmi(struct display_info_t const *dev)
+{
+	struct hdmi_regs *hdmi	= (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
+	return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT;
+}
+#endif
+
 int board_video_skip(void)
 {
 	int i;
@@ -42,6 +53,11 @@
 			       displays[i].mode.name,
 			       displays[i].mode.xres,
 			       displays[i].mode.yres);
+
+#ifdef CONFIG_IMX_HDMI
+			if (!strcmp(displays[i].mode.name, "HDMI"))
+				imx_enable_hdmi_phy();
+#endif
 		} else
 			printf("LCD %s cannot be configured: %d\n",
 			       displays[i].mode.name, ret);
@@ -53,12 +69,7 @@
 	return ret;
 }
 
-#ifdef CONFIG_IMX_HDMI
-#include <asm/arch/mxc_hdmi.h>
-#include <asm/io.h>
-int detect_hdmi(struct display_info_t const *dev)
+int ipu_displays_init(void)
 {
-	struct hdmi_regs *hdmi	= (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
-	return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT;
+	return board_video_skip();
 }
-#endif