linux_dsm_epyc7002/Documentation/devicetree/bindings/w1/omap-hdq.txt
Vignesh R e93762bbf6 w1: masters: omap_hdq: add support for 1-wire mode
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>
2015-10-05 04:47:09 +01:00

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* OMAP HDQ One wire bus master controller
Required properties:
- compatible : should be "ti,omap3-1w" or "ti,am4372-hdq"
- reg : Address and length of the register set for the device
- interrupts : interrupt line.
- ti,hwmods : "hdq1w"
Optional properties:
- ti,mode: should be "hdq": HDQ mode "1w": one-wire mode.
If not specified HDQ mode is implied.
Example:
- From omap3.dtsi
hdqw1w: 1w@480b2000 {
compatible = "ti,omap3-1w";
reg = <0x480b2000 0x1000>;
interrupts = <58>;
ti,hwmods = "hdq1w";
ti,mode = "hdq";
};