media: include: media: Add Renesas CEU driver interface

Add renesas-ceu header file.

Do not remove the existing sh_mobile_ceu.h one as long as the original
driver does not go away.

Signed-off-by: Jacopo Mondi <[e-mail]>
Reviewed-by: Laurent Pinchart <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

include/media/drv-intf/renesas-ceu.h

···
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * renesas-ceu.h - Renesas CEU driver interface
+ *
+ * Copyright 2017-2018 Jacopo Mondi <[e-mail]>
+ */
+
+#ifndef __MEDIA_DRV_INTF_RENESAS_CEU_H__
+#define __MEDIA_DRV_INTF_RENESAS_CEU_H__
+
+#define CEU_MAX_SUBDEVS		2
+
+struct ceu_async_subdev {
+	unsigned long flags;
+	unsigned char bus_width;
+	unsigned char bus_shift;
+	unsigned int i2c_adapter_id;
+	unsigned int i2c_address;
+};
+
+struct ceu_platform_data {
+	unsigned int num_subdevs;
+	struct ceu_async_subdev subdevs[CEU_MAX_SUBDEVS];
+};
+
+#endif /* ___MEDIA_DRV_INTF_RENESAS_CEU_H__ */