mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Nicolas Ferre <nicolas.ferre@microchip.com>
To: <Ryan.Wanner@microchip.com>, <robh@kernel.org>,
	<krzk+dt@kernel.org>, <conor+dt@kernel.org>,
	<alexandre.belloni@bootlin.com>, <claudiu.beznea@tuxon.dev>,
	Aubin Constans <Aubin.Constans@microchip.com>
Cc: <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ARM: dts: microchip: sama7d65: Force SDMMC Legacy mode
Date: Fri, 22 Aug 2025 16:56:35 +0200	[thread overview]
Message-ID: <b7089f9a-92d9-4652-b571-b749637c609f@microchip.com> (raw)
In-Reply-To: <20250819170528.126010-1-Ryan.Wanner@microchip.com>

On 19/08/2025 at 19:05, Ryan.Wanner@microchip.com wrote:
> From: Ryan Wanner <Ryan.Wanner@microchip.com>
> 
> The SDMMC in this IP currently only supports legacy mode

... but we're working on it ;-)

> due to a hardware quirk, setting the flags to reflect the limitation.
> 
> Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>

That's fair enough for the time being:
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>

Regards,
   Nicolas

> ---
>   arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> index 7eaf6ca233ec..d086437f5e6f 100644
> --- a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> +++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> @@ -387,6 +387,8 @@ &rtt {
>   
>   &sdmmc1 {
>   	bus-width = <4>;
> +	no-1-8-v;
> +	sdhci-caps-mask = <0x0 0x00200000>;
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&pinctrl_sdmmc1_default>;
>   	status = "okay";


      reply	other threads:[~2025-08-22 14:57 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-19 17:05 Ryan.Wanner
2025-08-22 14:56 ` Nicolas Ferre [this message]

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=b7089f9a-92d9-4652-b571-b749637c609f@microchip.com \
    --to=nicolas.ferre@microchip.com \
    --cc=Aubin.Constans@microchip.com \
    --cc=Ryan.Wanner@microchip.com \
    --cc=alexandre.belloni@bootlin.com \
    --cc=claudiu.beznea@tuxon.dev \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=krzk+dt@kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=robh@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

all inboxes | Powered by JetHome®