linux-kernel - Re: [PATCH v2 5/5] ARM: dts: AM4372: add entry for qspi mmap region

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Message-ID: <878u6b1zgg.fsf@saruman.tx.rr.com>
Date:	Thu, 5 Nov 2015 23:14:39 -0600
From:	Felipe Balbi <balbi@...com>
To:	Rob Herring <robh@...nel.org>, Vignesh R <vigneshr@...com>
CC:	Mark Brown <broonie@...nel.org>, Tony Lindgren <tony@...mide.com>,
	Michal Suchanek <hramrach@...il.com>,
	Russell King <linux@....linux.org.uk>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-mtd@...ts.infradead.org>, <linux-spi@...r.kernel.org>
Subject: Re: [PATCH v2 5/5] ARM: dts: AM4372: add entry for qspi mmap region


Hi,

Rob Herring <robh@...nel.org> writes:
> On Tue, Nov 03, 2015 at 03:36:14PM +0530, Vignesh R wrote:
>> Add qspi memory mapped region entries for AM43xx based SoCs. Also,
>> update the binding documents for the controller to document this change.
>> 
>> Signed-off-by: Vignesh R <vigneshr@...com>
>
> Acked-by: Rob Herring <robh@...nel.org>
>
>> ---
>>  Documentation/devicetree/bindings/spi/ti_qspi.txt | 5 +++--
>>  arch/arm/boot/dts/am4372.dtsi                     | 4 +++-
>>  2 files changed, 6 insertions(+), 3 deletions(-)
>> 
>> diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt b/Documentation/devicetree/bindings/spi/ti_qspi.txt
>> index f05dd631bef1..05488970060b 100644
>> --- a/Documentation/devicetree/bindings/spi/ti_qspi.txt
>> +++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt
>> @@ -17,9 +17,10 @@ Recommended properties:
>>  
>>  Example:
>>  
>> +For am4372:
>>  qspi: qspi@...00000 {
>> -	compatible = "ti,dra7xxx-qspi";
>> -	reg = <0x47900000 0x100>, <0x30000000 0x3ffffff>;
>> +	compatible = "ti,am4372-qspi";
>> +	reg = <0x47900000 0x100>, <0x30000000 0x4000000>;
>>  	reg-names = "qspi_base", "qspi_mmap";
>>  	#address-cells = <1>;
>>  	#size-cells = <0>;

and how does the user for this look like ? Don't you need to give this a
proper 'ranges' binding ?

-- 
balbi

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