linux-kernel - Re: [RFC PATCH v5 9/9] arm64: tegra: Add Tegra VI CSI support in device tree

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Message-ID: <b757b06f-3ee1-1c8b-ae47-38211da667bc@gmail.com>
Date:   Wed, 25 Mar 2020 03:22:57 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Sowjanya Komatineni <skomatineni@...dia.com>,
        thierry.reding@...il.com, jonathanh@...dia.com, frankc@...dia.com,
        hverkuil@...all.nl, helen.koike@...labora.com
Cc:     sboyd@...nel.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v5 9/9] arm64: tegra: Add Tegra VI CSI support in
 device tree

25.03.2020 03:01, Sowjanya Komatineni пишет:
> 
> On 3/24/20 3:48 PM, Dmitry Osipenko wrote:
>> External email: Use caution opening links or attachments
>>
>>
>> 25.03.2020 00:04, Sowjanya Komatineni пишет:
>>> On 3/24/20 12:19 PM, Dmitry Osipenko wrote:
>>>> External email: Use caution opening links or attachments
>>>>
>>>>
>>>> 23.03.2020 20:52, Sowjanya Komatineni пишет:
>>>> ...
>>>>> +                     pd_venc: venc {
>>>>> +                             clocks = <&tegra_car TEGRA210_CLK_VI>,
>>>>> +                                      <&tegra_car TEGRA210_CLK_CSI>;
>>>>> +                             resets = <&mc TEGRA210_MC_RESET_VI>,
>>>> The MC resetting should be needed only for a hardware hot-resetting. It
>>>> should be wrong to add it to the power domain.
>>> TRM recommends to do MC client hot-reset during VE power gate and
>>> ungate.
>> Could you please tell what TRM it is and what's the page#?
> Tegra TX1 TRM Page 425, Section 12.2.7.14 Procedures for VE Power Domains

Okay, thanks.