[media] si2157: Silicon Labs Si2157 silicon tuner driver

Silicon Labs Si2157 silicon tuner driver.
Currently it supports only DVB-T.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/tuners/si2157.h b/drivers/media/tuners/si2157.h
new file mode 100644
index 0000000..5de47d4
--- /dev/null
+++ b/drivers/media/tuners/si2157.h
@@ -0,0 +1,18 @@
+#ifndef SI2157_H
+#define SI2157_H
+
+#include <linux/kconfig.h>
+#include "dvb_frontend.h"
+
+/*
+ * I2C address
+ * 0x60
+ */
+struct si2157_config {
+	/*
+	 * frontend
+	 */
+	struct dvb_frontend *fe;
+};
+
+#endif