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w1: add 1-wire master driver for i.MX27 / i.MX31

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This patch adds support for the 1-wire master interface for i.MX27 and
i.MX31.

Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Sascha Hauer 2009-01-07 18:08:58 -08:00 • committed by Linus Torvalds
parent 09f50c9542
commit a5fd9139f7
5 changed files with 232 additions and 0 deletions
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2
Documentation/w1/masters/00-INDEX
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@ -4,5 +4,7 @@ ds2482
- The Maxim/Dallas Semiconductor DS2482 provides 1-wire busses.
ds2490
- The Maxim/Dallas Semiconductor DS2490 builds USB <-> W1 bridges.
mxc_w1
- W1 master controller driver found on Freescale MX2/MX3 SoCs
w1-gpio
- GPIO 1-wire bus master driver.

11
Documentation/w1/masters/mxc-w1 Normal file
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@ -0,0 +1,11 @@
Kernel driver mxc_w1
====================
Supported chips:
* Freescale MX27, MX31 and probably other i.MX SoCs
Datasheets:
http://www.freescale.com/files/32bit/doc/data_sheet/MCIMX31.pdf?fpsp=1
http://www.freescale.com/files/dsp/MCIMX27.pdf?fpsp=1
Author: Originally based on Freescale code, prepared for mainline by
Sascha Hauer <s.hauer@pengutronix.de>