linux-kernel - Re: [PATCH v3 1/2] ARM: at91/dt: shdwc binding: add new shutdown controller documentation

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Date:	Sat, 3 Oct 2015 19:02:20 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	linux-arm-kernel@...ts.infradead.org, sre@...nel.org,
	robh+dt@...nel.org, linux-kernel@...r.kernel.org,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	linux@...ck-us.net, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
Subject: Re: [PATCH v3 1/2] ARM: at91/dt: shdwc binding: add new shutdown
 controller documentation

On 30/09/2015 at 18:22:00 +0200, Nicolas Ferre wrote :
> +SHDWC Shutdown Controller (Alternative)
> +
> +1) shdwc node
> +
> +required properties:
> +- compatible: should be "atmel,sama5d2-shdwc".
> +- reg: should contain registers location and length
> +- clocks: phandle to input clock.
> +- #address-cells: should be one. The cell is the wake-up input index.
> +- #size-cells: should be zero.
> +
> +optional properties:
> +
> +- atmel,wakeup-debouncer: minimum wake-up inputs debouncer period in

Shouldn't that property be called atmel,wakeup-debouncer-ms ?

> +
> +2) input nodes
> +
> +Wake-up input nodes are usually described in the "board" part of the Device
> +Tree. Note also that input 0 is linked to the wake-up pin and is frequently
> +used.
> +
> +Required properties:
> +- reg: should contain the wake-up input index [0 - 15].
> +
> +Optional properties:
> +- atmel,wakeup-type: string, operation mode of the input described by the child
> +  node. Supported values are: "high" or "low".
> +

Maybe we could avoid parsing string and use an integer with a few defines

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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