From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH 3/3] arm64: tegra: Fix Jetson Nano GPU regulator
Date: Thu, 20 Jun 2019 11:19:05 +0200
Message-ID: <20190620091905.GH26689@ulmo>
References: <20190620081702.17209-1-jonathanh@nvidia.com>
 <20190620081702.17209-4-jonathanh@nvidia.com>
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In-Reply-To: <20190620081702.17209-4-jonathanh@nvidia.com>
Sender: stable-owner@vger.kernel.org
To: Jon Hunter <jonathanh@nvidia.com>
Cc: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, stable@vger.kernel.org
List-Id: devicetree@vger.kernel.org


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On Thu, Jun 20, 2019 at 09:17:02AM +0100, Jon Hunter wrote:
> There are a few issues with the GPU regulator defined for Jetson Nano
> which are:
>=20
> 1. The GPU regulator is a PWM based regulator and not a fixed voltage
>    regulator.
> 2. The output voltages for the GPU regulator are not correct.
> 3. The regulator enable ramp delay is too short for the regulator and
>    needs to be increased. 2ms should be sufficient.
> 4. This is the same regulator used on Jetson TX1 and so make the ramp
>    delay and settling time the same as Jetson TX1.
>=20
> Cc: stable@vger.kernel.org
> Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
> ---
>  .../boot/dts/nvidia/tegra210-p3450-0000.dts   | 21 +++++++++++--------
>  1 file changed, 12 insertions(+), 9 deletions(-)

Applied to for-5.3/arm64/dt and added the following Fixes: line:

Fixes: 6772cd0eacc8 ("arm64: tegra: Add NVIDIA Jetson Nano Developer Kit su=
pport")

Thanks,
Thierry

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