mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Dinh Nguyen <dinguyen@kernel.org>
To: tze.yee.ng@altera.com, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/6] arm64: dts: socfpga: agilex5: add DDR50 read-path tuning to sdmmc
Date: Mon, 5 Oct 2026 08:58:29 -0500	[thread overview]
Message-ID: <afb5e34a-0616-42f6-9d18-23ff3ebcbde4@kernel.org> (raw)
In-Reply-To: <096868737ae11bd457ec791099dcfbec775d23ad.1790151203.git.tze.yee.ng@altera.com>



On 9/23/26 03:22, tze.yee.ng@altera.com wrote:
> From: Tze Yee Ng <tze.yee.ng@altera.com>
> 
> Add the Cadence SD6HC DDR50 read-path tuning properties to the shared
> Agilex5 sdmmc node so that boards enabling SD UHS DDR50 pick up sane
> defaults for the loopback DQS selection and the read DQS delay:
> 
>    - cdns,ddr50-use-lpbk-dqs = <0>
>    - cdns,ddr50-read-dqs-delay = <96>
> 
> Signed-off-by: Tze Yee Ng <tze.yee.ng@altera.com>
> ---
>   arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
> index 5f22e6d7ab85..dc25b7382a29 100644
> --- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
> +++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
> @@ -322,6 +322,8 @@ sdmmc: mmc@10808000 {
>   			resets = <&rst SDMMC_RESET>, <&rst COMBOPHY_RESET>,
>   				 <&rst SDMMC_OCP_RESET>;
>   			reset-names = "sdhc-reset", "combophy", "sdmmc-ocp";
> +			cdns,ddr50-use-lpbk-dqs = <0>;
> +			cdns,ddr50-read-dqs-delay = <96>;
>   
These bindings haven't been accepted yet right?

Dinh

  reply	other threads:[~2026-10-05 13:58 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-23  8:22 [PATCH 0/6] arm64: dts: socfpga: enable SD UHS and eMMC DDR modes on Agilex5/Agilex3 SoCDK tze.yee.ng
2026-09-23  8:22 ` [PATCH 1/6] arm64: dts: socfpga: agilex5: add DDR50 read-path tuning to sdmmc tze.yee.ng
2026-10-05 13:58   ` Dinh Nguyen [this message]
2026-09-23  8:22 ` [PATCH 2/6] arm64: dts: socfpga: agilex5: enable SD UHS DDR50 on SoCDK tze.yee.ng
2026-09-23  8:22 ` [PATCH 3/6] arm64: dts: socfpga: agilex5: enable eMMC 1.8V DDR on SoCDK eMMC tze.yee.ng
2026-09-23  8:22 ` [PATCH 4/6] arm64: dts: socfpga: agilex5: enable SD card on SoCDK modular tze.yee.ng
2026-09-23  8:22 ` [PATCH 5/6] arm64: dts: socfpga: agilex5: enable SD card on SoCDK 013B tze.yee.ng
2026-09-23  8:22 ` [PATCH 6/6] arm64: dts: socfpga: agilex3: enable SD card on SoCDK tze.yee.ng
2026-10-05 14:20 ` [PATCH 0/6] arm64: dts: socfpga: enable SD UHS and eMMC DDR modes on Agilex5/Agilex3 SoCDK Dinh Nguyen

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=afb5e34a-0616-42f6-9d18-23ff3ebcbde4@kernel.org \
    --to=dinguyen@kernel.org \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=krzk+dt@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=robh@kernel.org \
    --cc=tze.yee.ng@altera.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 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®