caif: Add CAIF HSI Link layer driver

This patch introduces the CAIF HSI Protocol Driver for the
CAIF Link Layer.

This driver implements a platform driver to accommodate for a
platform specific HSI devices. A general platform driver is not
possible as there are no HSI side Kernel API defined.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/net/caif/Kconfig b/drivers/net/caif/Kconfig
index 09ed3f42d673..abf4d7a9dcce 100644
--- a/drivers/net/caif/Kconfig
+++ b/drivers/net/caif/Kconfig
@@ -38,3 +38,12 @@ config CAIF_SHM
         default n
         ---help---
         The CAIF shared memory protocol driver for the STE UX5500 platform.
+
+config CAIF_HSI
+       tristate "CAIF HSI transport driver"
+       depends on CAIF
+       default n
+       ---help---
+       The caif low level driver for CAIF over HSI.
+       Be aware that if you enable this then you also need to
+       enable a low-level HSI driver.