From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Robert Marko <robert.marko@sartura.hr>
Cc: "Rob Herring" <robh+dt@kernel.org>,
krzysztof.kozlowski+dt@linaro.org, "Andrew Lunn" <andrew@lunn.ch>,
gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com,
shawnguo@kernel.org, "Linus Walleij" <linus.walleij@linaro.org>,
kostap@marvell.com, devicetree <devicetree@vger.kernel.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"Linux ARM" <linux-arm-kernel@lists.infradead.org>,
"Pali Rohár" <pali@kernel.org>,
"Marek Behún" <marek.behun@nic.cz>
Subject: Re: [PATCH 2/2] arm64: dts: marvell: add support for Methode eDPU
Date: Tue, 10 May 2022 14:50:41 +0200 [thread overview]
Message-ID: <0cdf8323-7f23-a291-9d20-6d182bc84913@linaro.org> (raw)
In-Reply-To: <CA+HBbNGWbGu73JtCb68QMhF6o9KrcfZH2AtOL6jUAnxrmCBcsQ@mail.gmail.com>
On 10/05/2022 14:43, Robert Marko wrote:
> On Tue, May 10, 2022 at 1:46 PM Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.org> wrote:
>>
>> On 10/05/2022 13:41, Robert Marko wrote:
>>> On Tue, May 10, 2022 at 12:20 PM Krzysztof Kozlowski
>>> <krzysztof.kozlowski@linaro.org> wrote:
>>>>
>>>> On 09/05/2022 13:00, Robert Marko wrote:
>>>>> Methode eDPU is an Armada 3720 powered board based on the Methode uDPU.
>>>>>
>>>>> They feature the same CPU, RAM, and storage as well as the form factor.
>>>>>
>>>>> However, eDPU only has one SFP slot plus a copper G.hn port.
>>>>>
>>>>> In order to reduce duplication, split the uDPU DTS into a common one.
>>>>>
>>>>> Signed-off-by: Robert Marko <robert.marko@sartura.hr>
>>>>> ---
>>>>> arch/arm64/boot/dts/marvell/Makefile | 1 +
>>>>> .../boot/dts/marvell/armada-3720-eDPU.dts | 14 ++
>>>>> .../boot/dts/marvell/armada-3720-uDPU.dts | 148 +---------------
>>>>> .../boot/dts/marvell/armada-3720-uDPU.dtsi | 163 ++++++++++++++++++
>>>>> 4 files changed, 179 insertions(+), 147 deletions(-)
>>>>> create mode 100644 arch/arm64/boot/dts/marvell/armada-3720-eDPU.dts
>>>>> create mode 100644 arch/arm64/boot/dts/marvell/armada-3720-uDPU.dtsi
>>>>>
>>>>> diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile
>>>>> index 1c794cdcb8e6..104d7d7e8215 100644
>>>>> --- a/arch/arm64/boot/dts/marvell/Makefile
>>>>> +++ b/arch/arm64/boot/dts/marvell/Makefile
>>>>> @@ -1,6 +1,7 @@
>>>>> # SPDX-License-Identifier: GPL-2.0
>>>>> # Mvebu SoC Family
>>>>> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-db.dtb
>>>>> +dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-eDPU.dtb
>>>>> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin.dtb
>>>>> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin-emmc.dtb
>>>>> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin-ultra.dtb
>>>>> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-eDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-eDPU.dts
>>>>> new file mode 100644
>>>>> index 000000000000..6b573a6854cc
>>>>> --- /dev/null
>>>>> +++ b/arch/arm64/boot/dts/marvell/armada-3720-eDPU.dts
>>>>> @@ -0,0 +1,14 @@
>>>>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>>>>> +
>>>>> +/dts-v1/;
>>>>> +
>>>>> +#include "armada-3720-uDPU.dtsi"
>>>>> +
>>>>> +/ {
>>>>> + model = "Methode eDPU Board";
>>>>> + compatible = "methode,edpu", "marvell,armada3720";
>>>>
>>>> You need also bindings for the board compatible. Someone should convert
>>>> the Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt to YAML.
>>>
>>> Ok, I can convert the SoC compatibles at least for now.
>>> Any advice you can give me on how the handle the Espressobin boards
>>> having multiple board-specific compatibles?
>>> For example, Espressobin V7 has:
>>> "globalscale,espressobin-v7", "globalscale,espressobin"
>>>
>>
>> Documentation/devicetree/bindings/arm/fsl.yaml
>
> Thanks, now it makes sense.
>
>>
>>>>
>>>>> +};
>>>>> +> + sfp_eth1: sfp-eth1 {
>>>>
>>>> Generic node names, please.
>>>
>>> Can you give me an example of what would be appropriate here because the SFP
>>> bindings example utilizes the same naming scheme as used here?
>>
>> "sfp" if you have only one sfp node.
>
> There are 2 SFP nodes in total, that is why they are named according
> to the ethernet controller
> to which they are connected.
> uDPU has 2 SFP slots while eDPU has 1, so one was moved to uDPU DTS.
Ah, then let it be. sfp-1 and sfp-2 would also work, but that's not
important.
Best regards,
Krzysztof
next prev parent reply other threads:[~2022-05-10 12:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-09 11:00 [PATCH 1/2] dt-bindings: vendor-prefixes: add Methode Electronics Robert Marko
2022-05-09 11:00 ` [PATCH 2/2] arm64: dts: marvell: add support for Methode eDPU Robert Marko
2022-05-10 10:20 ` Krzysztof Kozlowski
2022-05-10 11:41 ` Robert Marko
2022-05-10 11:46 ` Krzysztof Kozlowski
2022-05-10 12:43 ` Robert Marko
2022-05-10 12:50 ` Krzysztof Kozlowski [this message]
2022-05-10 10:20 ` [PATCH 1/2] dt-bindings: vendor-prefixes: add Methode Electronics Krzysztof Kozlowski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=0cdf8323-7f23-a291-9d20-6d182bc84913@linaro.org \
--to=krzysztof.kozlowski@linaro.org \
--cc=andrew@lunn.ch \
--cc=devicetree@vger.kernel.org \
--cc=gregory.clement@bootlin.com \
--cc=kostap@marvell.com \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=marek.behun@nic.cz \
--cc=pali@kernel.org \
--cc=robert.marko@sartura.hr \
--cc=robh+dt@kernel.org \
--cc=sebastian.hesselbarth@gmail.com \
--cc=shawnguo@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).