linux-kernel - Re: [PATCH 1/4] i2c: iProc: define Broadcom iProc I2C binding

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Date:	Tue, 9 Dec 2014 17:35:17 -0800
From:	Ray Jui <rjui@...adcom.com>
To:	Varka Bhadram <varkabhadram@...il.com>,
	Wolfram Sang <wsa@...-dreams.de>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	"Mark Rutland" <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"Grant Likely" <grant.likely@...aro.org>,
	Christian Daudt <bcm@...thebug.org>,
	"Matt Porter" <mporter@...aro.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	"Russell King" <linux@....linux.org.uk>
CC:	Scott Branden <sbranden@...adcom.com>, <linux-i2c@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<bcm-kernel-feedback-list@...adcom.com>,
	<devicetree@...r.kernel.org>
Subject: Re: [PATCH 1/4] i2c: iProc: define Broadcom iProc I2C binding



On 12/9/2014 5:27 PM, Varka Bhadram wrote:
> Hi,
>
> On Wednesday 10 December 2014 06:24 AM, Ray Jui wrote:
>> Document the I2C device tree binding for Broadcom iProc family of
>> SoCs
>>
>> Signed-off-by: Ray Jui <rjui@...adcom.com>
>> Reviewed-by: Scott Branden <sbranden@...adcom.com>
>> ---
>>   .../devicetree/bindings/i2c/brcm,iproc-i2c.txt     |   37
>> ++++++++++++++++++++
>>   1 file changed, 37 insertions(+)
>>   create mode 100644
>> Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt
>>
>> diff --git a/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt
>> b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt
>> new file mode 100644
>> index 0000000..81f982c
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt
>> @@ -0,0 +1,37 @@
>> +Broadcom iProc I2C controller
>> +
>> +Required properties:
>> +
>> +- compatible:
>> +    Must be "brcm,iproc-i2c"
>> +
>> +- reg:
>> +    Define the base and range of the I/O address space that contain
>> the iProc
>> +    I2C controller registers
>> +
>> +- interrupts:
>> +    Should contain the I2C interrupt
>> +
>> +- clock-frequency:
>> +    This is the I2C bus clock. Need to be either 100000 or 400000
>> +
>> +- #address-cells:
>> +    Always 1 (for I2C addresses)
>> +
>> +- #size-cells:
>> +    Always 0
>> +
>
> All the properties defined with two lines of statements.
>
> Why cant they be with single line statement, like:
>
> compatible:    Must be "brcm,iproc-i2c"
> reg:        Define the base and range of the I/O address space that
>          contain the iProc I2C controller registers
>
> ....
>
>
I thought making them two lines are more readable (and obviously that's 
very subjective, :)). But more importantly, it matches the format of 
other Broadcom iProc/Cygnus devicetree binding documents that are 
currently in progress of upstreaming.
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