From 14fbc4b40045c6fcb345da52ab048d961fc15c6c Mon Sep 17 00:00:00 2001 From: Shik Chen Date: Mon, 17 Sep 2012 00:40:54 +0000 Subject: Allow to select FTDI device by serial number Requires libftdi > 0.5 (2004, commit ID a8f46ddc1595b1b07abfcce613acdafe5b8ddf9d). Idea stolen from chromiumos commit 5eb5624aeb7e2ee483e2fa0823c4e634c8ea3e68: http://git.chromium.org/gitweb/?p=chromiumos/third_party/flashrom.git;a=commit;h=5eb5624aeb7e2ee483e2fa0823c4e634c8ea3e68 Corresponding to flashrom svn r1599. Signed-off-by: Shik Chen Signed-off-by: Stefan Tauner Acked-by: Stefan Tauner --- flashrom.8 | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'flashrom.8') diff --git a/flashrom.8 b/flashrom.8 index bf671c2..cf07ccf 100644 --- a/flashrom.8 +++ b/flashrom.8 @@ -573,6 +573,15 @@ The default model is and the default interface is .BR B . .sp +If there is more than one ft2232_spi-compatible device connected, you can select which one should be used by +specifying its serial number with the +.sp +.B " flashrom \-p ft2232_spi:serial=number" +.sp +syntax where +.B number +is the serial number of the device (which can be found for example in the output of lsusb -v). +.sp All models supported by the ft2232_spi driver can configure the SPI clock rate by setting a divisor. The expressible divisors are all even numbers between 2 and 2^17 (=131072) resulting in SPI clock frequencies of 6 MHz down to about 92 Hz for 12 MHz inputs. The default divisor is set to 2, but you can use another one by -- cgit v1.1