All of lore.kernel.org
 help / color / mirror / Atom feed
From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To: Conor.Dooley@microchip.com, robh@kernel.org
Cc: atish.patra@wdc.com, ulf.hansson@linaro.org,
	paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu, geert+renesas@glider.be,
	yash.shah@sifive.com, yamada.masahiro@socionext.com,
	piotrs@cadence.com, linux-mmc@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org
Subject: Re: [PATCH 2/6] dt-bindings: mmc: cdns: match MPFS MMC/SDHCI controller
Date: Wed, 8 Sep 2021 09:37:17 +0200	[thread overview]
Message-ID: <c9855c99-1240-b0a3-4a5c-9f16cee7fe6e@canonical.com> (raw)
In-Reply-To: <b607f187-5eee-6afa-f50a-c6532acf19e5@microchip.com>

On 06/09/2021 10:38, Conor.Dooley@microchip.com wrote:
> On 30/08/2021 16:09, Rob Herring wrote:
>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>
>> On Tue, Aug 24, 2021 at 2:02 PM Krzysztof Kozlowski
>> <krzysztof.kozlowski@canonical.com> wrote:
>>> On 24/08/2021 16:33, Rob Herring wrote:
>>>> On Thu, Aug 19, 2021 at 05:44:32PM +0200, Krzysztof Kozlowski wrote:
>>>>> The Microchip MPFS Icicle Kit uses Cadence SD/SDIO/eMMC Host Controller
>>>>> without any additional vendor compatible:
>>>> I think the lack of vendor compatible is the error here. Experience has
>>>> shown that vendor specific compatibles are needed for licensed IP.
>>>>
>>> In such case this could be:
>>> 1. a specific "microchip,mpfs250t-sd4hc", which
>>> seems to be on MPFS Icicle Kit:
>>> https://www.digikey.co.uk/en/product-highlight/m/microchip-technology/mpfs-icicle-kit-es--polarfire-soc-fpga-icicle-kit
>>>
>>> 2. or a generic "microchip,mpfs-sd4hc"
>>>
>>> Any hints here?
>> Best for a Microchip person to answer, but sure there's some existing
>> compatible strings for other blocks on this chip to follow the same
>> pattern.
>>
>> Rob
> 
> #2 would be ideal since the controller doesn't change across the part 
> range, the 250t bit in the part name just covers the size/configuration 
> of the FPGA.


Thanks! I'll go with the microchip,mpfs-sd4hc.


Best regards,
Krzysztof

WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To: Conor.Dooley@microchip.com, robh@kernel.org
Cc: atish.patra@wdc.com, ulf.hansson@linaro.org,
	paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu, geert+renesas@glider.be,
	yash.shah@sifive.com, yamada.masahiro@socionext.com,
	piotrs@cadence.com, linux-mmc@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org
Subject: Re: [PATCH 2/6] dt-bindings: mmc: cdns: match MPFS MMC/SDHCI controller
Date: Wed, 8 Sep 2021 09:37:17 +0200	[thread overview]
Message-ID: <c9855c99-1240-b0a3-4a5c-9f16cee7fe6e@canonical.com> (raw)
In-Reply-To: <b607f187-5eee-6afa-f50a-c6532acf19e5@microchip.com>

On 06/09/2021 10:38, Conor.Dooley@microchip.com wrote:
> On 30/08/2021 16:09, Rob Herring wrote:
>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>
>> On Tue, Aug 24, 2021 at 2:02 PM Krzysztof Kozlowski
>> <krzysztof.kozlowski@canonical.com> wrote:
>>> On 24/08/2021 16:33, Rob Herring wrote:
>>>> On Thu, Aug 19, 2021 at 05:44:32PM +0200, Krzysztof Kozlowski wrote:
>>>>> The Microchip MPFS Icicle Kit uses Cadence SD/SDIO/eMMC Host Controller
>>>>> without any additional vendor compatible:
>>>> I think the lack of vendor compatible is the error here. Experience has
>>>> shown that vendor specific compatibles are needed for licensed IP.
>>>>
>>> In such case this could be:
>>> 1. a specific "microchip,mpfs250t-sd4hc", which
>>> seems to be on MPFS Icicle Kit:
>>> https://www.digikey.co.uk/en/product-highlight/m/microchip-technology/mpfs-icicle-kit-es--polarfire-soc-fpga-icicle-kit
>>>
>>> 2. or a generic "microchip,mpfs-sd4hc"
>>>
>>> Any hints here?
>> Best for a Microchip person to answer, but sure there's some existing
>> compatible strings for other blocks on this chip to follow the same
>> pattern.
>>
>> Rob
> 
> #2 would be ideal since the controller doesn't change across the part 
> range, the 250t bit in the part name just covers the size/configuration 
> of the FPGA.


Thanks! I'll go with the microchip,mpfs-sd4hc.


Best regards,
Krzysztof

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  reply	other threads:[~2021-09-08  7:37 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-19 15:44 [PATCH 1/6] dt-bindings: riscv: correct e51 and u54-mc CPU bindings Krzysztof Kozlowski
2021-08-19 15:44 ` Krzysztof Kozlowski
2021-08-19 15:44 ` [PATCH 2/6] dt-bindings: mmc: cdns: match MPFS MMC/SDHCI controller Krzysztof Kozlowski
2021-08-19 15:44   ` Krzysztof Kozlowski
2021-08-24 14:33   ` Rob Herring
2021-08-24 14:33     ` Rob Herring
2021-08-24 19:02     ` Krzysztof Kozlowski
2021-08-24 19:02       ` Krzysztof Kozlowski
2021-08-30 15:09       ` Rob Herring
2021-08-30 15:09         ` Rob Herring
2021-09-06  8:38         ` Conor.Dooley
2021-09-06  8:38           ` Conor.Dooley
2021-09-08  7:37           ` Krzysztof Kozlowski [this message]
2021-09-08  7:37             ` Krzysztof Kozlowski
2021-08-19 15:44 ` [PATCH 3/6] riscv: microchip: mpfs: drop duplicated nodes Krzysztof Kozlowski
2021-08-19 15:44   ` Krzysztof Kozlowski
2021-08-19 16:21   ` Krzysztof Kozlowski
2021-08-19 16:21     ` Krzysztof Kozlowski
2021-08-24 15:32     ` Geert Uytterhoeven
2021-08-24 15:32       ` Geert Uytterhoeven
2021-08-19 15:44 ` [PATCH 4/6] riscv: microchip: mpfs: fix board compatible Krzysztof Kozlowski
2021-08-19 15:44   ` Krzysztof Kozlowski
2021-08-24 15:29   ` Geert Uytterhoeven
2021-08-24 15:29     ` Geert Uytterhoeven
2021-08-24 19:05     ` Krzysztof Kozlowski
2021-08-24 19:05       ` Krzysztof Kozlowski
2021-08-19 15:44 ` [PATCH 5/6] riscv: microchip: mpfs: drop duplicated MMC/SDHC node Krzysztof Kozlowski
2021-08-19 15:44   ` Krzysztof Kozlowski
2021-08-24 15:37   ` Geert Uytterhoeven
2021-08-24 15:37     ` Geert Uytterhoeven
2021-08-24 19:07     ` Krzysztof Kozlowski
2021-08-24 19:07       ` Krzysztof Kozlowski
2021-08-19 15:44 ` [PATCH 6/6] riscv: microchip: mpfs: drop unused pinctrl-names Krzysztof Kozlowski
2021-08-19 15:44   ` Krzysztof Kozlowski
2021-08-24 15:34   ` Geert Uytterhoeven
2021-08-24 15:34     ` Geert Uytterhoeven
2021-08-24 14:34 ` [PATCH 1/6] dt-bindings: riscv: correct e51 and u54-mc CPU bindings Rob Herring
2021-08-24 14:34   ` Rob Herring

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=c9855c99-1240-b0a3-4a5c-9f16cee7fe6e@canonical.com \
    --to=krzysztof.kozlowski@canonical.com \
    --cc=Conor.Dooley@microchip.com \
    --cc=aou@eecs.berkeley.edu \
    --cc=atish.patra@wdc.com \
    --cc=devicetree@vger.kernel.org \
    --cc=geert+renesas@glider.be \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mmc@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=palmer@dabbelt.com \
    --cc=paul.walmsley@sifive.com \
    --cc=piotrs@cadence.com \
    --cc=robh@kernel.org \
    --cc=ulf.hansson@linaro.org \
    --cc=yamada.masahiro@socionext.com \
    --cc=yash.shah@sifive.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.