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ft4222: adds initial support for on-chip GPIO in mode0

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This commits uses CLK_* and so requires libftdi 1.2.1.4+

Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Mihai Tudor Panu
2015-12-01 11:56:08 +00:00
committed by Brendan Le Foll
parent 5f4f0a2aef
commit 063a3154aa
2 changed files with 110 additions and 49 deletions
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3
docs/ftdi_ft4222.md
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@@ -4,7 +4,8 @@ FTDI FT4222H {#ft4222}
The FT4222H is a High/Full Speed USB2.0-to-Quad SPI/I2C device controller. Mraa
supports it as a USB subplatform using the libft4222 library from FTDI which
can be found
[here](http://www.ftdichip.com/Support/SoftwareExamples/libft4222-1.2.0.240.tgz).
[here](http://www.ftdichip.com/Support/SoftwareExamples/libft4222-1.2.1.4.tgz).
You need the latest version for the GPIO to work
The FT 4222H has 4 configuration modes selected by {DCNF1, DCNF0}. The c hip
configuration mode will determine the number of USB interface s for data stream