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From: Jan Kiszka <jan.kiszka@siemens.com>
To: Aswath Govindraju <a-govindraju@ti.com>, Nishanth Menon <nm@ti.com>
Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, Tero Kristo <kristo@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Marc Kleine-Budde <mkl@pengutronix.de>,
	Lokesh Vutla <lokeshvutla@ti.com>, Faiz Abbas <faiz_abbas@ti.com>
Subject: Re: [PATCH v2 0/6] CAN: Add support for CAN in AM65,J721e and AM64
Date: Thu, 5 Aug 2021 14:49:10 +0200	[thread overview]
Message-ID: <caa97a4e-5e84-2aa6-3a4c-3bbe29fb7a58@siemens.com> (raw)
In-Reply-To: <cfd7df02-37ed-6286-0232-2e92bf1f67b4@ti.com>

On 05.08.21 14:44, Aswath Govindraju wrote:
> Hi Jan,
> 
> On 05/08/21 6:10 pm, Jan Kiszka wrote:
>> On 05.08.21 14:32, Aswath Govindraju wrote:
>>> Hi,
>>>
>>> On 02/08/21 6:15 pm, Nishanth Menon wrote:
>>>> On 15:40-20210726, Aswath Govindraju wrote:
>>>>> The following series of patches add support for CAN in SoC's AM65, J721e
>>>>> and AM64.
>>>>>
>>>>> This patch series is dependent on [1] and [2] and I have requested for an
>>>>> immutable tag from the Marc Kleine-Budde(maintainer of net tree).
>>>>>
>>>>> [1] - https://lore.kernel.org/patchwork/patch/1423048/
>>>>> [2] - https://www.spinics.net/lists/linux-can/msg08108.html
>>>>>
>>>>> changes since v1 -
>>>>> - changed the message ram configuration to use the maximum value
>>>>>   in each field, for better performance.
>>>>>
>>>>> Aswath Govindraju (3):
>>>>>   arm64: dts: ti: am654-base-board: Disable mcan nodes
>>>>>   arm64: dts: ti: k3-am64-main: Add support for MCAN
>>>>>   arm64: dts: ti: k3-am642-evm/sk: Add support for main domain mcan
>>>>>     nodes in EVM and disable them on SK
>>>>>
>>>>> Faiz Abbas (3):
>>>>>   arm64: dts: ti: k3-am65-mcu: Add Support for MCAN
>>>>>   arm64: dts: ti: k3-j721e: Add support for MCAN nodes
>>>>>   arm64: dts: ti: k3-j721e-common-proc-board: Add support for mcu_mcan
>>>>>     nodes
>>>>
>>>> I noticed in my checkup: https://pastebin.ubuntu.com/p/zSk39M943N/
>>>> warnings with dtbs_check, I think the bindings need a little more help
>>>> here (please also notice the iot platform warnings getting introduced).
>>>>
>>>
>>> Jan,
>>>
>>> Can you please point me to the schematics for iot platform? Also, is CAN
>>> subsystem brought out on the iot platform boards?
>>
>> Schematics aren't publicly available. If you have specific questions, I
>> may help, though.
>>
>> CAN is not in use yet (not connected AFAIK).
>>
> 
> Thank you for clarifying this. I will disable the CAN DT nodes in
> k3-am65-iot2050-common.dtsi in my respin.
> 

That is not a problem for the current design, so you can go ahead with it.

Current defconfig - though not yet upstream based - can be found at [1].
The CAN subsystem is enabled, but not the AM65x CAN driver.

Jan

[1]
https://github.com/siemens/meta-iot2050/tree/master/recipes-kernel/linux/files

-- 
Siemens AG, T RDA IOT
Corporate Competence Center Embedded Linux

      reply	other threads:[~2021-08-05 12:49 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-26 10:10 Aswath Govindraju
2021-07-26 10:10 ` [PATCH v2 1/6] arm64: dts: ti: k3-am65-mcu: Add Support for MCAN Aswath Govindraju
2021-08-02 12:59   ` Marc Kleine-Budde
2021-07-26 10:10 ` [PATCH v2 2/6] arm64: dts: ti: am654-base-board: Disable mcan nodes Aswath Govindraju
2021-07-26 10:10 ` [PATCH v2 3/6] arm64: dts: ti: k3-j721e: Add support for MCAN nodes Aswath Govindraju
2021-07-26 10:10 ` [PATCH v2 4/6] arm64: dts: ti: k3-j721e-common-proc-board: Add support for mcu_mcan nodes Aswath Govindraju
2021-07-26 10:10 ` [PATCH v2 5/6] arm64: dts: ti: k3-am64-main: Add support for MCAN Aswath Govindraju
2021-07-26 10:10 ` [PATCH v2 6/6] arm64: dts: ti: k3-am642-evm/sk: Add support for main domain mcan nodes in EVM and disable them on SK Aswath Govindraju
2021-07-28  5:19 ` [PATCH v2 0/6] CAN: Add support for CAN in AM65,J721e and AM64 Aswath Govindraju
2021-07-28  7:26   ` Marc Kleine-Budde
2021-08-02 12:45 ` Nishanth Menon
2021-08-05 12:32   ` Aswath Govindraju
2021-08-05 12:40     ` Jan Kiszka
2021-08-05 12:44       ` Aswath Govindraju
2021-08-05 12:49         ` Jan Kiszka [this message]

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