linux-kernel - Re: [PATCH v3 2/2] arm64: dts: ti: Add k3-am67a-beagley-ai

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <87752439-1b41-4f4b-9e94-5c2a43fab4f4@kernel.org>
Date: Wed, 28 Aug 2024 22:44:34 +0300
From: Roger Quadros <rogerq@...nel.org>
To: Robert Nelson <robertcnelson@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Vignesh Raghavendra <vigneshr@...com>,
 Nishanth Menon <nm@...com>, Andrew Davis <afd@...com>,
 Jai Luthra <j-luthra@...com>, Siddharth Vadapalli <s-vadapalli@...com>,
 Jared McArthur <j-mcarthur@...com>, Jason Kridner
 <jkridner@...gleboard.org>, Deepak Khatri <lorforlinux@...gleboard.org>,
 Drew Fustini <drew@...gleboard.org>
Subject: Re: [PATCH v3 2/2] arm64: dts: ti: Add k3-am67a-beagley-ai



On 28/08/2024 17:33, Robert Nelson wrote:
> On Fri, Aug 23, 2024 at 10:33 AM Robert Nelson <robertcnelson@...il.com> wrote:
>>
>>>> +
>>>> +&cpsw3g {
>>>> +     pinctrl-names = "default";
>>>> +     pinctrl-0 = <&rgmii1_pins_default>, <&gbe_pmx_obsclk>;
>>>
>>> Why do you need OBSCLK for Ethernet MAC?
>>> The OBSCLK is connected to the Ethernet PHY via C406 which is not even populated.
>>> It seems that the PHY is clocked by a crystal oscillator X5 so doesn't really
>>> need OBSCLK in the stock configuration?
>>
>> Ah crap, I'll take a look at this... I bet it's left over from the
>> first pcb, (all my first rev pcb's are now locked up so i don't use
>> them anymore)..  Seeed/BeagleBoard was playing it safe and designing
>> in both options.. Once the internal clocks were verified newer
>> revisions removed the external clock.
>>
>> Yeah, I'm pretty sure final production boards removed every external
>> clock option.
> 
> Yeap, external clock is the default for all production boards, i
> removed this internal clock configuration.

Did you mean internal clock is the default?
Earlier you mentioned
"after verification newer versions removed the external clock"

-- 
cheers,
-roger