linux-kernel - Re: [PATCH v2 2/3] spi/xtensa-xtfpga: add DT binding documentation

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Message-ID: <CAMo8BfLDXYaovZ1U1hcXKCv+EX=wuda8uHgmTDP3Ozaq2Z=SKg@mail.gmail.com>
Date:	Wed, 12 Mar 2014 21:21:15 +0400
From:	Max Filippov <jcmvbkbc@...il.com>
To:	Mark Rutland <mark.rutland@....com>
Cc:	"linux-xtensa@...ux-xtensa.org" <linux-xtensa@...ux-xtensa.org>,
	"linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Chris Zankel <chris@...kel.net>,
	Marc Gauthier <marc@...ence.com>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2 2/3] spi/xtensa-xtfpga: add DT binding documentation

On Wed, Mar 12, 2014 at 7:13 PM, Mark Rutland <mark.rutland@....com> wrote:
> On Wed, Mar 12, 2014 at 12:21:04PM +0000, Max Filippov wrote:
>> Signed-off-by: Max Filippov <jcmvbkbc@...il.com>
>> ---
>>  Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt | 9 +++++++++
>>  1 file changed, 9 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt
>>
>> diff --git a/Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt b/Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt
>> new file mode 100644
>> index 0000000..b6ebe2b
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt
>> @@ -0,0 +1,9 @@
>> +Cadence Xtensa XTFPGA platform SPI controller.
>> +
>> +This simple SPI master controller is built into xtfpga bitstreams and is used
>> +to control daughterboard audio codec.
>> +
>> +Required properties:
>> +- compatible: should be "cdns,xtfpga-spi".
>
> Is that the official name of the block? Nothing more specific?

There's no official name, so I composed this from the official name
of the platform + the block function. AFAIK there's single version of
this IP block. Marc G., please correct me if I'm wrong.

>> +- reg: physical base address of the controller and length of memory mapped
>> +  region.
>
> No interrupts?

Correct.

> Otherwise, this looks fine to me.

-- 
Thanks.
-- Max
--
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