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Date: Mon, 18 Sep 2017 13:48:52 +0200 From: Philipp Zabel <p.zabel@...gutronix.de> To: linux-kernel@...r.kernel.org Cc: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>, Vineet Gupta <vgupta@...opsys.com>, Philipp Zabel <p.zabel@...gutronix.de> Subject: [PATCH v2 1/2] ARC: reset: add missing DT binding documentation for HSDKv1 reset driver From: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com> 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: e0be864f1424 ("ARC: reset: introduce HSDKv1 reset driver") Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com> Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de> --- v2: not really a v2, just the missing part of an already merged patch --- .../bindings/reset/snps,hsdk-v1-reset.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/snps,hsdk-v1-reset.txt diff --git a/Documentation/devicetree/bindings/reset/snps,hsdk-v1-reset.txt b/Documentation/devicetree/bindings/reset/snps,hsdk-v1-reset.txt new file mode 100644 index 0000000000000..6a68146ee3537 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/snps,hsdk-v1-reset.txt @@ -0,0 +1,28 @@ +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> -- 2.11.0
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