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| author | Alessandro Rubini <rubini@gnudd.com> | 2013-06-18 23:47:46 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-18 15:41:04 -0700 |
| commit | 056d83f3c30c398f14eb879f1d1707e3a7808f4a (patch) | |
| tree | 44c3883a0cd722472b9888b2a50ce2ac761a9373 /Documentation/fmc | |
| parent | 6c62a895e572145f8aa24f2040d1bb8eff473313 (diff) | |
| download | lwn-056d83f3c30c398f14eb879f1d1707e3a7808f4a.tar.gz lwn-056d83f3c30c398f14eb879f1d1707e3a7808f4a.zip | |
FMC: add a software mezzanine driver
This simple do-nothing mezzanine driver shows how to write a mezzanine
driver, that can also handle interrupts reported by the carrier.
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Juan David Gonzalez Cobas <dcobas@cern.ch>
Acked-by: Emilio G. Cota <cota@braap.org>
Acked-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/fmc')
| -rw-r--r-- | Documentation/fmc/00-INDEX | 3 | ||||
| -rw-r--r-- | Documentation/fmc/fmc-trivial.txt | 17 |
2 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/fmc/00-INDEX b/Documentation/fmc/00-INDEX index 34df5cfc0c41..c22d6873fd08 100644 --- a/Documentation/fmc/00-INDEX +++ b/Documentation/fmc/00-INDEX @@ -27,3 +27,6 @@ identifiers.txt fmc-fakedev.txt - about drivers/fmc/fmc-fakedev.ko + +fmc-trivial.txt + - about drivers/fmc/fmc-trivial.ko diff --git a/Documentation/fmc/fmc-trivial.txt b/Documentation/fmc/fmc-trivial.txt new file mode 100644 index 000000000000..d1910bc67159 --- /dev/null +++ b/Documentation/fmc/fmc-trivial.txt @@ -0,0 +1,17 @@ +fmc-trivial +=========== + +The simple module fmc-trivial is just a simple client that registers an +interrupt handler. I used it to verify the basic mechanism of the FMC +bus and how interrupts worked. + +The module implements the generic FMC parameters, so it can program a +different gateware file in each card. The whole list of parameters it +accepts are: + +`busid=' +`gateware=' + Generic parameters. See mezzanine.txt + + +This driver is worth reading, in my opinion. |