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| author | Christopher Bostic <cbostic@linux.vnet.ibm.com> | 2017-06-06 16:08:57 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-09 11:52:09 +0200 |
| commit | 7f9e8f767030e9d588ffc71e50ebf5164c86c8a9 (patch) | |
| tree | b84260663de940eab4915701239c4e7f61659db8 /drivers/fsi/Kconfig | |
| parent | 680ca6dcf5c222765cb2fb22959c5282865b6655 (diff) | |
| download | lwn-7f9e8f767030e9d588ffc71e50ebf5164c86c8a9.tar.gz lwn-7f9e8f767030e9d588ffc71e50ebf5164c86c8a9.zip | |
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/Kconfig | 8 |
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--- |