From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Frank Li <Frank.Li@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
Alexander Stein <alexander.stein@ew.tq-group.com>,
Shawn Guo <shawnguo@kernel.org>
Cc: Markus Niebel <Markus.Niebel@ew.tq-group.com>,
linux@ew.tq-group.com, devicetree@vger.kernel.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] arm64: dts: imx91-tqma9131: improve eMMC pad configuration
Date: Mon, 9 Feb 2026 16:50:13 +0100 [thread overview]
Message-ID: <20260209155015.267008-1-alexander.stein@ew.tq-group.com> (raw)
From: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Use DSE x4 an PullUp for CMD an DAT, DSE x4 and PullDown for CLK.
This improves stability and detection at low temperatures under -25°C.
Fixes: e71db39f0c7c ("arm64: dts: freescale: add initial device tree for TQMa91xx/MBa91xxCA")
Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
.../boot/dts/freescale/imx91-tqma9131.dtsi | 20 +++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi b/arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi
index 5792952b7a8e1..c99d7bc168483 100644
--- a/arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi
@@ -272,20 +272,20 @@ pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
/* enable SION for data and cmd pad due to ERR052021 */
pinctrl_usdhc1: usdhc1grp {
fsl,pins = /* PD | FSEL 3 | DSE X5 */
- <MX91_PAD_SD1_CLK__USDHC1_CLK 0x5be>,
+ <MX91_PAD_SD1_CLK__USDHC1_CLK 0x59e>,
/* HYS | FSEL 0 | no drive */
<MX91_PAD_SD1_STROBE__USDHC1_STROBE 0x1000>,
/* HYS | FSEL 3 | X5 */
- <MX91_PAD_SD1_CMD__USDHC1_CMD 0x400011be>,
+ <MX91_PAD_SD1_CMD__USDHC1_CMD 0x4000139e>,
/* HYS | FSEL 3 | X4 */
- <MX91_PAD_SD1_DATA0__USDHC1_DATA0 0x4000119e>,
- <MX91_PAD_SD1_DATA1__USDHC1_DATA1 0x4000119e>,
- <MX91_PAD_SD1_DATA2__USDHC1_DATA2 0x4000119e>,
- <MX91_PAD_SD1_DATA3__USDHC1_DATA3 0x4000119e>,
- <MX91_PAD_SD1_DATA4__USDHC1_DATA4 0x4000119e>,
- <MX91_PAD_SD1_DATA5__USDHC1_DATA5 0x4000119e>,
- <MX91_PAD_SD1_DATA6__USDHC1_DATA6 0x4000119e>,
- <MX91_PAD_SD1_DATA7__USDHC1_DATA7 0x4000119e>;
+ <MX91_PAD_SD1_DATA0__USDHC1_DATA0 0x4000139e>,
+ <MX91_PAD_SD1_DATA1__USDHC1_DATA1 0x4000139e>,
+ <MX91_PAD_SD1_DATA2__USDHC1_DATA2 0x4000139e>,
+ <MX91_PAD_SD1_DATA3__USDHC1_DATA3 0x4000139e>,
+ <MX91_PAD_SD1_DATA4__USDHC1_DATA4 0x4000139e>,
+ <MX91_PAD_SD1_DATA5__USDHC1_DATA5 0x4000139e>,
+ <MX91_PAD_SD1_DATA6__USDHC1_DATA6 0x4000139e>,
+ <MX91_PAD_SD1_DATA7__USDHC1_DATA7 0x4000139e>;
};
pinctrl_wdog: wdoggrp {
--
2.43.0
next reply other threads:[~2026-02-09 15:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-09 15:50 Alexander Stein [this message]
2026-02-09 15:50 ` [PATCH 2/2] arm64: dts: imx93-tqma9352: improve eMMC pad configuration Alexander Stein
2026-02-09 19:20 ` Frank Li
2026-02-10 6:43 ` Alexander Stein
2026-02-09 19:18 ` [PATCH 1/2] arm64: dts: imx91-tqma9131: " Frank Li
2026-02-24 20:37 ` Frank Li
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=20260209155015.267008-1-alexander.stein@ew.tq-group.com \
--to=alexander.stein@ew.tq-group.com \
--cc=Frank.Li@nxp.com \
--cc=Markus.Niebel@ew.tq-group.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=festevam@gmail.com \
--cc=imx@lists.linux.dev \
--cc=kernel@pengutronix.de \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@ew.tq-group.com \
--cc=robh@kernel.org \
--cc=s.hauer@pengutronix.de \
--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