linux-kernel - Re: [PATCH v2 2/2] ARM: dts: am335x: add am335x-sancloud-bbe board support

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Date:   Thu, 12 Jul 2018 12:20:04 +0200
From:   Koen Kooi <koen@...inion.thruhere.net>
To:     Robert Nelson <robertcnelson@...il.com>
Cc:     Tony Lindgren <tony@...mide.com>,
        linux-omap <linux-omap@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        devicetree <devicetree@...r.kernel.org>,
        linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] ARM: dts: am335x: add am335x-sancloud-bbe board
 support



> Op 12 jul. 2018, om 05:08 heeft Robert Nelson <robertcnelson@...il.com> het volgende geschreven:
> 
> On Wed, Jul 11, 2018 at 8:31 AM, Tony Lindgren <tony@...mide.com> wrote:
>> * Koen Kooi <koen@...inion.thruhere.net> [180711 07:36]:
>>> +&cpu0_opp_table {
>>> +     /*
>>> +      * All PG 2.0 silicon may not support 1GHz but some of the early
>>> +      * BeagleBone Blacks have PG 2.0 silicon which is guaranteed
>>> +      * to support 1GHz OPP so enable it for PG 2.0 on this board.
>>> +      */
>>> +     oppnitro-1000000000 {
>>> +             opp-supported-hw = <0x06 0x0100>;
>>> +     };
>>> +};
>> 
>> Is the above valid for new boards or should it be just
>> dropped? Or is the comment just out of date?
> 
> For SanCloud, this can be dropped, they got normal 1Ghz parts from TI.
> 
> and they aren't using the Octavo SIP which didn't have the 1Ghz efuse set..
> 
> So just the normal am335x errata, nothing special required in it’s dts...

Thanks for the info! I’ll send a v3 with that bit removed shortly after I figure out what trips up kbuild.

regards,

Koen