linux-kernel - Re: [PATCH v3 1/2] dt-bindings: Update iProc GPIO bindings

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Date:	Mon, 18 Jul 2016 09:34:58 -0700
From:	Ray Jui <ray.jui@...adcom.com>
To:	Rob Herring <robh@...nel.org>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
	bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 1/2] dt-bindings: Update iProc GPIO bindings

Hi Rob,

On 7/16/2016 2:20 PM, Rob Herring wrote:
> On Tue, Jul 12, 2016 at 10:39:17AM -0700, Ray Jui wrote:
>> Update the iProc GPIO binding document to add new compatible strings
>> "brcm,iproc-gpio-nsp" and "brcm,iproc-gpio-stingray" to support the
>> iProc based GPIO controller used in the NSP and Stingray SoCs,
>> respectively
>>
>> Signed-off-by: Ray Jui <ray.jui@...adcom.com>
>> ---
>>  .../devicetree/bindings/pinctrl/brcm,iproc-gpio.txt    | 18 ++++++++++++++++--
>>  1 file changed, 16 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
>> index e427792..7bd1614 100644
>> --- a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
>> +++ b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
>> @@ -3,8 +3,22 @@ Broadcom iProc GPIO/PINCONF Controller
>>  Required properties:
>>
>>  - compatible:
>> -    Must be "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio",
>> -    "brcm,cygnus-crmu-gpio" or "brcm,iproc-gpio"
>> +    "brcm,iproc-gpio" for the generic iProc based GPIO controller IP that
>> +    supports full-featured pinctrl and GPIO functions used in various iProc
>> +    based SoCs
>> +
>> +    May contain an SoC-specific compatibility string to accommodate any
>> +    SoC-specific features
>> +
>> +    "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", or
>> +    "brcm,cygnus-crmu-gpio" for Cygnus SoCs
>> +
>> +    "brcm,iproc-gpio-nsp" for the iProc NSP SoC that has drive strength support
>> +    disabled
>
> The typical ordering is <soc>-<block>, so:
>
> iproc-nsp-gpio
>
>> +
>> +    "brcm,iproc-gpio-stingray" for the iProc Stingray SoC that has the general
>> +    pinctrl support completely disabled in this IP block. In Stingray, a
>> +    different IP block is used to handle pinctrl related functions
>
> iproc-stingray-gpio
>
>

Okay, I'll fix the naming string ordering and submit patch v4.

Thanks,

Ray