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
next prev parent 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
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