linux-kernel - Re: [PATCH v1 02/10] dt-bindings: Document the standard property "system-power-controller"

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Date:	Mon, 27 Oct 2014 11:39:18 -0500
From:	Felipe Balbi <balbi@...com>
To:	Romain Perier <romain.perier@...il.com>
CC:	<heiko@...ech.de>, <devicetree@...r.kernel.org>,
	<broonie@...nel.org>, <lgirdwood@...il.com>,
	<linux-kernel@...r.kernel.org>, <grant.likely@...aro.org>,
	<robh@...nel.org>, <mark.rutland@....com>, <johan@...nel.org>,
	<linux-pm@...r.kernel.org>, <linux@...ck-us.net>,
	<lee.jones@...aro.org>, <balbi@...com>, <robh+dt@...nel.org>,
	<pawel.moll@....com>, <ijc+devicetree@...lion.org.uk>,
	<galak@...eaurora.org>, <linux@....linux.org.uk>,
	<swarren@...dotorg.org>, <thierry.reding@...il.com>,
	<gnurou@...il.com>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-tegra@...r.kernel.org>
Subject: Re: [PATCH v1 02/10] dt-bindings: Document the standard property
 "system-power-controller"

On Mon, Oct 27, 2014 at 04:26:47PM +0000, Romain Perier wrote:
> This simply renames the previous documentation to something more generic and adds
> updates according to last changes.
> 
> Signed-off-by: Romain Perier <romain.perier@...il.com>
> ---
>  .../devicetree/bindings/power/power-controller.txt     | 18 ++++++++++++++++++
>  Documentation/devicetree/bindings/power/poweroff.txt   | 18 ------------------
>  2 files changed, 18 insertions(+), 18 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/power/power-controller.txt
>  delete mode 100644 Documentation/devicetree/bindings/power/poweroff.txt
> 
> diff --git a/Documentation/devicetree/bindings/power/power-controller.txt b/Documentation/devicetree/bindings/power/power-controller.txt
> new file mode 100644
> index 0000000..e0a1abe
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/power-controller.txt
> @@ -0,0 +1,18 @@
> +* Generic system power control capability
> +
> +Power-management integrated circuits or miscellaneous harware components are
> +sometimes able to control the system power. The device driver associated to these
> +components might needs to define this capability, which tells to the kernel
> +how to switch off the system. The corresponding driver must have the standard
> +property "system-power-controller" in its device node. This property marks the device as
> +able to controller the system-power. In order to test if this property is found
> +programmatically, use the helper function "of_is_system_power_controller" from
> +of.h .
> +
> +Example:
> +
> +act8846: act8846@5 {
> +	 compatible = "active-semi,act8846";
> +	 status = "okay";
> +	 system-power-controller;
> +}

there is no mention here that system-power-controller superseeds
poweroff-source and deprecates that.

-- 
balbi

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