From: Mikko Perttunen <cyndis@kapsi.fi>
To: Rob Herring <robh@kernel.org>, Mikko Perttunen <mperttunen@nvidia.com>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
jonathanh@nvidia.com, thierry.reding@gmail.com,
linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] arm64: tegra: Add CPU nodes to Tegra194 device tree
Date: Thu, 28 Jun 2018 08:57:23 +0300 [thread overview]
Message-ID: <4eacd53a-b128-241f-8284-14e315451c8e@kapsi.fi> (raw)
In-Reply-To: <20180627165730.GA15867@rob-hp-laptop>
On 27.06.2018 19:57, Rob Herring wrote:
> On Wed, Jun 20, 2018 at 03:28:27PM +0300, Mikko Perttunen wrote:
>> Add CPU and PSCI nodes to device tree. The Tegra194 SoC contains
>> eight NVIDIA Carmel CPUs.
>>
>> Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
>> ---
>> arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 40 +++++++++++++++++++
>> arch/arm64/boot/dts/nvidia/tegra194.dtsi | 53 ++++++++++++++++++++++++++
>> 2 files changed, 93 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
>> index ecb034177fc2..859ab5af17c1 100644
>> --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
>> +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
>> @@ -229,6 +229,46 @@
>> };
>> };
>>
>> + cpus {
>> + cpu@0 {
>> + enable-method = "psci";
>> + };
>
> Kind of strange to have this separated out. I guess you have non-PSCI
> firmware too? In any case, unless things have changed, upstream is only
> supporting spin-table or PSCI for arm64. So please combine this with the
> rest of the cpu nodes.
This was copied from older Tegras - we might have had some systems in
the past with non-PSCI firmware, but certainly don't have that anymore.
I'll combine the nodes.
Mikko
>
> Rob
> --
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>
next prev parent reply other threads:[~2018-06-28 5:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-20 12:28 [PATCH 1/2] dt-bindings: arm: Add compatible string for NVIDIA Carmel Mikko Perttunen
2018-06-20 12:28 ` [PATCH 2/2] arm64: tegra: Add CPU nodes to Tegra194 device tree Mikko Perttunen
2018-06-27 16:57 ` Rob Herring
2018-06-28 5:57 ` Mikko Perttunen [this message]
2018-06-27 16:52 ` [PATCH 1/2] dt-bindings: arm: Add compatible string for NVIDIA Carmel Rob Herring
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