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Message-ID: <CAGo_u6qiXnmMCXs=NB=L6E1Ecguo_1MAHap9bi1G-5rVbaiN7g@mail.gmail.com>
Date: Fri, 3 Feb 2017 17:14:27 -0600
From: Nishanth Menon <nm@...com>
To: Lukasz Majewski <lukma@...x.de>
Cc: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Tony Lindgren <tony@...mide.com>,
BenoƮt Cousson <bcousson@...libre.com>,
Russell King <linux@...linux.org.uk>,
Viresh Kumar <viresh.kumar@...aro.org>,
linux-omap <linux-omap@...r.kernel.org>,
lkml <linux-kernel@...r.kernel.org>,
dt list <devicetree@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
Kishon Vijay Abraham I <kishon@...com>
Subject: Re: [PATCH 2/2] DTS: dra7: Add "opp_high" opp node to support 1.5 GHz
SoC operation
On Fri, Feb 3, 2017 at 5:06 PM, Lukasz Majewski <lukma@...x.de> wrote:
[...]
>> > + opp_high@...0000000 {
>> > + opp-hz = /bits/ 64 <1500000000>;
>> > + opp-microvolt = <1210000 950000 1250000>;
>> > + };
>> > };
>> >
>> > /*
>> >
>> Please keep this out of the way till we get the AVS class0 integrated
>> in. devices wont be save at 1.5GHz without the opp powerdomain + AVS
>> Class0 implementation.
>>
>
> Yes, correct. My AM5728 works with this opp, but AM5718 hangs when this
> frequency is enabled.
Right, and if you leave it on for too long without avs class0, you
might need a new silicon as well :(
If you'd like to help, I saw Dave's response, it will be good if you
can help us get the dependencies out of the way to enable 1.5G
cleanly.
--
---
Regards,
Nishanth Menon
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