dm: video: Add driver for VESA-compatible device

This adds a DM driver for VESA-compatible device.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

drivers/video/vesa.c

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <pci.h>
+#include <vbe.h>
+
+static int vesa_video_probe(struct udevice *dev)
+{
+	return vbe_setup_video(dev, NULL);
+}
+
+static const struct udevice_id vesa_video_ids[] = {
+	{ .compatible = "vesa-fb" },
+	{ }
+};
+
+U_BOOT_DRIVER(vesa_video) = {
+	.name	= "vesa_video",
+	.id	= UCLASS_VIDEO,
+	.of_match = vesa_video_ids,
+	.probe	= vesa_video_probe,
+};
+
+static struct pci_device_id vesa_video_supported[] = {
+	{ PCI_DEVICE_CLASS(PCI_CLASS_DISPLAY_VGA << 8, ~0) },
+	{ },
+};
+
+U_BOOT_PCI_DEVICE(vesa_video, vesa_video_supported);