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| author | Mark Langsdorf <mark.langsdorf@calxeda.com> | 2013-06-06 07:52:41 -0500 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-06-06 14:05:24 -0700 |
| commit | d50b110f14ad07066f9ad6e7f32e2b1a595b92f9 (patch) | |
| tree | dc54f400aa524bad55254989464f3cd2ee3b7a95 /Documentation/devicetree/bindings/ata | |
| parent | 439d7a358f93a52458527329939be9f97db1242a (diff) | |
| download | linux-d50b110f14ad07066f9ad6e7f32e2b1a595b92f9.tar.gz linux-d50b110f14ad07066f9ad6e7f32e2b1a595b92f9.tar.bz2 linux-d50b110f14ad07066f9ad6e7f32e2b1a595b92f9.zip | |
sata highbank: add bit-banged SGPIO driver support
Highbank supports SGPIO by bit-banging out the SGPIO signals over
three GPIO pins defined in the DTB. Add support for this SGPIO
functionality.
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/ata')
| -rw-r--r-- | Documentation/devicetree/bindings/ata/ahci-platform.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt index b519f9b699c3..3ec0c5c4f0e9 100644 --- a/Documentation/devicetree/bindings/ata/ahci-platform.txt +++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt @@ -12,6 +12,11 @@ Optional properties: - calxeda,port-phys: phandle-combophy and lane assignment, which maps each SATA port to a combophy and a lane within that combophy +- calxeda,sgpio-gpio: phandle-gpio bank, bit offset, and default on or off, + which indicates that the driver supports SGPIO + indicator lights using the indicated GPIOs +- calxeda,led-order : a u32 array that map port numbers to offsets within the + SGPIO bitstream. - dma-coherent : Present if dma operations are coherent Example: |