linux-kernel - Re: [PATCH Resend V2] dt: add helper function to read u8 & u16 variables & arrays

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Message-ID: <CAB4BAks+eym9+qNZjxwkg7XxJrMwkaYFWGM5_YQk_TzfxyoHaw@mail.gmail.com>
Date:	Mon, 19 Nov 2012 11:54:21 +0530
From:	Rajanikanth HV <rajanikanth.hv@...aro.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	Rob Herring <robherring2@...il.com>,
	"linaro-dev@...ts.linaro.org Devel" <linaro-dev@...ts.linaro.org>,
	andriy.shevchenko@...el.com, Patch Tracking <patches@...aro.org>,
	devicetree-discuss@...ts.ozlabs.org, spear-devel@...t.st.com,
	linux-kernel@...r.kernel.org, rob.herring@...xeda.com
Subject: Re: [PATCH Resend V2] dt: add helper function to read u8 & u16
 variables & arrays

On 19 November 2012 09:24, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> On 12 November 2012 09:03, Viresh Kumar <viresh.kumar@...aro.org> wrote:
>> On 12 November 2012 01:12, Rob Herring <robherring2@...il.com> wrote:
>>> I don't think the size is stored in the dtb. It is only in the dts. You
>>> need to define the size in the binding definitions and use '/bits/'
>>> annotation. With this the data is packed. Then the array function used
>>> should match what the binding defines.
>
> Hi Rob,
>
> Can you please help me in getting the correct format to do this from dts.
> I tried:
>
> data1 = /bits/ 8 <0x50 0x60 0x70>;
as per spec, format for data byte defines will be:
data1 = [ 0x50 0x60 0x70 ];
however, i see a parse error from device tree compiler when i tried.
>
> as written in your earlier mail... but it didn't worked. Tried to
> search too, but
> couldn't find it.
>
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> linaro-dev@...ts.linaro.org
> http://lists.linaro.org/mailman/listinfo/linaro-dev
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