From: Arnd Bergmann <arnd@arndb.de>
To: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Cc: Lee Jones <lee.jones@linaro.org>, Samuel Ortiz <sameo@linux.intel.com>,
        devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mfd: syscon: Make it possible to mark syscon as read only
Date: Fri, 20 Jun 2014 14:17:58 +0200
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On Thursday 19 June 2014 13:43:46 Bjorn Andersson wrote:
> diff --git a/Documentation/devicetree/bindings/mfd/syscon.txt b/Documentation/devicetree/bindings/mfd/syscon.txt
> index fe8150b..163325af0 100644
> --- a/Documentation/devicetree/bindings/mfd/syscon.txt
> +++ b/Documentation/devicetree/bindings/mfd/syscon.txt
> @@ -13,6 +13,9 @@ Required properties:
>  - compatible: Should contain "syscon".
>  - reg: the register region can be accessed from syscon
>  
> +Optional properties:
> +- read-only: the register region is read only
> +

We've been discussing devices that are simultaneously a
syscon and a more specific device. I'd suggest naming the
new property "syscon,read-only" here, so it becomes clearer
that this is a generic syscon property in that case.

	Arnd
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