linux-kernel - Re: [PATCH 2/2] input: pm8941-pwrkey: Add DT binding documentation

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Date:	Tue, 7 Oct 2014 13:53:24 -0500
From:	Kumar Gala <galak@...eaurora.org>
To:	Bjorn Andersson <Bjorn.Andersson@...ymobile.com>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Grant Likely <grant.likely@...aro.org>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	Courtney Cavin <courtney.cavin@...ymobile.com>
Subject: Re: [PATCH 2/2] input: pm8941-pwrkey: Add DT binding documentation


On Oct 6, 2014, at 8:12 PM, Bjorn Andersson <Bjorn.Andersson@...ymobile.com> wrote:

> From: Courtney Cavin <courtney.cavin@...ymobile.com>
> 
> Signed-off-by: Courtney Cavin <courtney.cavin@...ymobile.com>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>
> ---
> .../bindings/input/qcom,pm8941-pwrkey.txt          |   43 ++++++++++++++++++++
> 1 file changed, 43 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt
> 
> diff --git a/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt b/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt
> new file mode 100644
> index 0000000..4d75e2c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt
> @@ -0,0 +1,43 @@
> +Qualcomm PM8941 PMIC Power Key
> +
> +PROPERTIES
> +
> +- compatible:
> +	Usage: required
> +	Value type: <string>
> +	Definition: must be one of:
> +		    "qcom,pm8941-pwrkey"
> +
> +- reg:
> +	Usage: required
> +	Value type: <prop-encoded-array>
> +	Definition: base address of registers for block
> +
> +- interrupts:
> +	Usage: required
> +	Value type: <prop-encoded-array>
> +	Definition: key change interrupt; The format of the specifier is
> +		    defined by the binding document describing the node's
> +		    interrupt parent.
> +
> +- debounce:
> +	Usage: optional
> +	Value type: <u32>
> +	Definition: time in microseconds that key must be pressed or released
> +		    for state change interrupt to trigger.
> +
> +- bias-pull-up:
> +	Usage: optional
> +	Value type: <empty>

boolean, is probably better than <empty> here.

> +	Definition: presence of this property indicates that the KPDPWR_N pin
> +		    should be configured for pull up.
> +
> +EXAMPLE
> +
> +	pwrkey@800 {
> +		compatible = "qcom,pm8941-pwrkey";
> +		reg = <0x800>;
> +		interrupts = <0x0 0x8 0 0>;
> +		debounce = <15625>;
> +		bias-pull-up;
> +	};
> -- 
> 1.7.9.5
> 
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-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

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