dt: describe base reset signal binding
authorStephen Warren <swarren@nvidia.com>
Tue, 23 Oct 2012 21:45:56 +0000 (15:45 -0600)
committerPhilipp Zabel <p.zabel@pengutronix.de>
Fri, 12 Apr 2013 08:25:25 +0000 (10:25 +0200)
commit4e11f848c65b1c87782cb232a6e3b47a9d4c1f98
tree907e6b4a3dccf87cc98655775fb6ee613138b97b
parent8bb9660418e05bb1845ac1a2428444d78e322cc7
dt: describe base reset signal binding

This binding is intended to represent the hardware reset signals present
internally in most IC (SoC, FPGA, ...) designs.
It consists of a binding for a reset controller device (provider), and a
pair of properties, "resets" and "reset-names", to link a device node
(consumer) to its reset controller via phandle, similarly to the clock
and interrupt bindings.

The reset controller has all information necessary to reset the consumer
device. That could be provided via device tree, or it could be implemented
in hardware.
The aim is to enable device drivers to request a framework API to issue a
reset simply by providing their struct device pointer as the most common
case.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Documentation/devicetree/bindings/reset/reset.txt [new file with mode: 0644]