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ARC: reset: add missing DT binding documentation for HSDKv1 reset driver

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When applying the original patch [1], the DT binding docs were lost.
This patch adds them back.

[1] https://patchwork.kernel.org/patch/9852997/

Fixes: e0be864f14 ("ARC: reset: introduce HSDKv1 reset driver")
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Eugeniy Paltsev 2017-09-14 12:49:41 +02:00 committed by Philipp Zabel
parent 2d48a237c8
commit fc9655e651
1 changed files with 28 additions and 0 deletions
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28
Documentation/devicetree/bindings/reset/snps,hsdk-v1-reset.txt Normal file
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Binding for the HSDK v1 reset controller
This binding uses the common reset binding[1].
[1] Documentation/devicetree/bindings/reset/reset.txt
Required properties:
- compatible: should be "snps,hsdk-v1.0-reset".
- reg: should always contain 2 pairs address - length: first for reset
configuration register and second for corresponding SW reset and status bits
register.
- #reset-cells: from common reset binding; Should always be set to 1.
Example:
reset: reset@880 {
compatible = "snps,hsdk-v1.0-reset";
#reset-cells = <1>;
reg = <0x8A0 0x4>, <0xFF0 0x4>;
};
Specifying reset lines connected to IP modules:
ethernet@.... {
....
resets = <&reset HSDK_V1_ETH_RESET>;
....
};
The index could be found in <dt-bindings/reset/snps,hsdk-v1-reset.h>