linux-kernel - Re: [PATCH v3 5/8] dt-bindings: input: document stpmic1 pmic onkey

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Message-ID: <5BBCB2B4.4070104@st.com>
Date:   Tue, 9 Oct 2018 13:52:52 +0000
From:   Pascal PAILLET-LME <p.paillet@...com>
To:     "dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "lee.jones@...aro.org" <lee.jones@...aro.org>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "wim@...ux-watchdog.org" <wim@...ux-watchdog.org>,
        "linux@...ck-us.net" <linux@...ck-us.net>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-watchdog@...r.kernel.org" <linux-watchdog@...r.kernel.org>,
        "benjamin.gaignard@...aro.org" <benjamin.gaignard@...aro.org>,
        "eballetbo@...il.com" <eballetbo@...il.com>
Subject: Re: [PATCH v3 5/8] dt-bindings: input: document stpmic1 pmic onkey

Le 10/08/2018 06:29 PM, Pascal PAILLET-LME a écrit :
> From: pascal paillet <p.paillet@...com>
>
> The stpmic1 pmic is able to manage an onkey button. It can be configured
> to shut-down the power supplies on a long key-press with an adjustable
> duration.
>
> Signed-off-by: pascal paillet <p.paillet@...com>
> ---
> changes in v3:
> * Replace st,onkey-long-press-seconds and st,onkey-pwroff-enabled by
> power-off-time-sec.
>
>   .../devicetree/bindings/input/st,stpmic1-onkey.txt | 30 ++++++++++++++++++++++
>   1 file changed, 30 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
>
> diff --git a/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt b/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
> new file mode 100644
> index 0000000..8c58186
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
> @@ -0,0 +1,30 @@
> +STMicroelectronics STPMIC1 Onkey
> +
> +Required properties:
> +
> +- compatible = "st,stpmic1-onkey";
> +- interrupt-parent: phandle to the parent interrupt controller
> +- interrupts: interrupt line to use
> +- interrupt-names = "onkey-falling", "onkey-rising"
> +	onkey-falling: happens when onkey is pressed; IT_PONKEY_F of pmic
> +	onkey-rising: happens when onkey is released; IT_PONKEY_R of pmic
> +
> +Optional properties:
> +
> +- st,onkey-clear-cc-flag: onkey is able power on after an
> +  over-current shutdown event.
> +- st,onkey-pu-inactive: onkey pull up is not active
> +- power-off-time-sec: Duration in seconds which the key should be kept
> +        pressed for device to power off automatically (from 1 to 16 seconds).
> +        see See Documentation/devicetree/bindings/input/keys.txt
> +
> +Example:
> +
> +onkey {
> +	compatible = "st,stpmic1-onkey";
> +	interrupt-parent = <&pmic>;
> +	interrupts = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>;
> +	interrupt-names = "onkey-falling", "onkey-rising";
> +	st,onkey-pwroff-enabled;
> +	st,onkey-long-press-seconds = <10>;
st,onkey-pwroff-enabled and st,onkey-long-press-seconds to be replaced 
by power-off-time-sec

> +};