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Subject: Re: [PATCH 3/3] arm64: dts: rk3399: Add init voltage for vdd_log
To:     =?UTF-8?Q?S=c3=b6ren_Moch?= <smoch@web.de>,
        Kever Yang <kever.yang@rock-chips.com>, heiko@sntech.de
Cc:     Mark Rutland <mark.rutland@arm.com>,
        =?UTF-8?Q?Andrius_=c5=a0tikonas?= <andrius@stikonas.eu>,
        linux-kernel@vger.kernel.org, Alexis Ballier <aballier@gentoo.org>,
        linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
        Katsuhiro Suzuki <katsuhiro@katsuster.net>,
        Hugh Cole-Baker <sigmaris@gmail.com>,
        Elaine Zhang <zhangqing@rock-chips.com>,
        Andy Yan <andyshrk@gmail.com>,
        Robin Murphy <robin.murphy@arm.com>,
        Vicente Bergas <vicencb@gmail.com>,
        Oskari Lemmela <oskari@lemmela.net>,
        linux-rockchip@lists.infradead.org,
        Rob Herring <robh+dt@kernel.org>,
        Pragnesh Patel <Pragnesh_Patel@mentor.com>,
        Peter Robinson <pbrobinson@gmail.com>,
        Nick Xie <nick@khadas.com>,
        Ezequiel Garcia <ezequiel@collabora.com>,
        Vivek Unune <npcomplete13@gmail.com>,
        Akash Gajjar <akash@openedev.com>
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From:   Markus Reichl <m.reichl@fivetechno.de>
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Date:   Tue, 12 Nov 2019 09:51:52 +0100
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Thanks Sören,

Am 12.11.19 um 09:44 schrieb Sören Moch:
> On 12.11.19 09:16, Markus Reichl wrote:
>> Hi Kever,
>>
>> have a rk3399-roc-pc running mainline U-Boot and kernel and vdd_log is
>> showing 1118 mV.
>> Is this a danger for the board?
> I think yes. What I read vdd_log on rk3399 must not exceed 1.0V.
>> How to fix it?
> You probably need to do something like [1].

will measure and come up with a patch.

> 
> [1] https://patchwork.kernel.org/patch/11173465/
> 
> Gruß,
> Sören
>> Btw. vin-supply for this pwm-regulator is ignored and I could not find it
>> in bindings doc.
>>
> Gruß,
-- 
Markus Reichl