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authorChristopher Bostic <cbostic@linux.vnet.ibm.com>2017-06-06 16:08:57 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-09 11:52:09 +0200
commit7f9e8f767030e9d588ffc71e50ebf5164c86c8a9 (patch)
treeb84260663de940eab4915701239c4e7f61659db8 /drivers/fsi/Kconfig
parent680ca6dcf5c222765cb2fb22959c5282865b6655 (diff)
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drivers/fsi: Add hub master support
Add an engine driver to expose a "hub" FSI master - which has a set of control registers in the engine address space, and uses a chunk of the slave address space for actual FSI communication. Additional changes from Jeremy Kerr <jk@ozlabs.org>. Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/fsi/Kconfig')
-rw-r--r--drivers/fsi/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/fsi/Kconfig b/drivers/fsi/Kconfig
index 558252336932..6821ed0cd5e8 100644
--- a/drivers/fsi/Kconfig
+++ b/drivers/fsi/Kconfig
@@ -20,6 +20,14 @@ config FSI_MASTER_GPIO
---help---
This option enables a FSI master driver using GPIO lines.
+config FSI_MASTER_HUB
+ tristate "FSI hub master"
+ ---help---
+ This option enables a FSI hub master driver. Hub is a type of FSI
+ master that is connected to the upstream master via a slave. Hubs
+ allow chaining of FSI links to an arbitrary depth. This allows for
+ a high target device fanout.
+
config FSI_SCOM
tristate "SCOM FSI client device driver"
---help---
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