linux-kernel - Re: [PATCH v2] ARM: DTS: OMAP4: Add OMAP4 Blaze Tablet support

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Date:	Wed, 26 Jun 2013 11:03:42 +0300
From:	Ruslan Bilovol <ruslan.bilovol@...com>
To:	Nishanth Menon <nm@...com>
Cc:	b-cousson@...com, tony@...mide.com, benoit.cousson@...aro.org,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH v2] ARM: DTS: OMAP4: Add OMAP4 Blaze Tablet support

Hi Nishanth,

On Tue, Jun 25, 2013 at 3:43 PM, Nishanth Menon <nm@...com> wrote:
> On 06/25/2013 07:01 AM, Nishanth Menon wrote:
>>
>> On 06/25/2013 06:32 AM, Ruslan Bilovol wrote:
>>>
>>> The OMAP4 Blaze Tablet is TI OMAP4 processor-based
>>> development platform in a tablet formfactor.
>>> The platform contains many of the features found in
>>> present-day handsets (such as audio, video, wireless
>>> functions and user interfaces) and in addition
>>> contains features for software development and test.
>>>
>>> This patch adds initial support for the OMAP4 Blaze
>>> Tablet development platform. Additional functionality
>>> depends on different drivers and code modifications that
>>> are not upstreamed yet or do not support DT yet, so will
>>> be added later.--
>>
>>
>> http://svtronics.com/omap/sevm4460,blaze,omap might help too :)

Yes, forgot to add this information from cover-letter from previous
version of patch :)

>> [...]
>>>
>>> +
>>> +#include "twl6030.dtsi"
>>> +
>>
>> Might be good to see the TWL interrupt pin information made available as
>> well?
>
> Allow me to rephrase a comment a little bit more :)
> Similar to twl4030_omap3.dtsi, we could introduce twl6030_omap4.dtsi. this
> could contain the common pins used for 6030.
>  &omap4_pmx_wkup {
>          pinctrl-names = "default";
>          pinctrl-0 = <
>                          &twl6030_wkup_pins
>          >;
>
>          twl6030_wkup_pins: pinmux_twl6030_wkup_pins {
>                  pinctrl-single,pins = <
>                          0x14 (PIN_OUTPUT | MUX_MODE2)
>                  >;
>          };
>  };
>
>         twl6030_pins: pinmux_twl6030_pins {
>                 pinctrl-single,pins = <
>                         0x15e (WAKEUP_EN | PIN_INPUT_PULLUP | MUX_MODE0)
> /* sys_nirq1.sys_nirq1 */
>                 >;
>         };
>
> which is now already duplicated in 2 places (SDP and Panda), and in this
> patch duplicated again.

Agree, I'm planning to do this later as part of moving common things into
some System-On-Module(SOM)-specific files, as discussed previously
here https://patchwork.kernel.org/patch/2118371/

Best regards,
Ruslan Bilvol

>
> just my 2 cents :(
> ---
> Regards,
> Nishanth Menon
> --
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