w1: masters: omap_hdq: add support for 1-wire mode

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This patches makes following changes to omap_hdq driver
 - Enable 1-wire mode.
 - Implement w1_triplet callback to facilitate search rom
   procedure and auto detection of 1-wire slaves.
 - Proper enabling and disabling of interrupt.
 - Cleanups (formatting and return value checks).

HDQ mode remains unchanged.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Jonathan Corbet <corbet@lwn.net>
CC: Tony Lindgren <tony@atomide.com>
Cc: Vignesh R <vigneshr@ti.com>
Cc: NeilBrown <neilb@suse.de>
Cc: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Vignesh R 2015-09-14 10:54:33 -07:00 • committed by Greg Kroah-Hartman

parent 5052436dcb

commit e93762bbf6

3 changed files with 203 additions and 34 deletions

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7

Documentation/devicetree/bindings/w1/omap-hdq.txt

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6

Documentation/w1/masters/omap-hdq

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224

drivers/w1/masters/omap_hdq.c

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