From d50b110f14ad07066f9ad6e7f32e2b1a595b92f9 Mon Sep 17 00:00:00 2001 From: Mark Langsdorf Date: Thu, 6 Jun 2013 07:52:41 -0500 Subject: 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 Signed-off-by: Tejun Heo --- Documentation/devicetree/bindings/ata/ahci-platform.txt | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Documentation/devicetree/bindings/ata') diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt index b519f9b699c..3ec0c5c4f0e 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: -- cgit v1.2.3-70-g09d2