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>
diff --git a/drivers/net/caif/Kconfig b/drivers/net/caif/Kconfig
index 09ed3f4..abf4d7a 100644
--- a/drivers/net/caif/Kconfig
+++ b/drivers/net/caif/Kconfig
@@ -38,3 +38,12 @@
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.