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Mon, 9 Feb 2026 16:50:26 +0100 (CET) From: Alexander Stein To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Alexander Stein , Shawn Guo Cc: Markus Niebel , 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 Message-ID: <20260209155015.267008-1-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-cloud-security-sender:alexander.stein@ew.tq-group.com X-cloud-security-recipient:linux-kernel@vger.kernel.org X-cloud-security-crypt: load encryption module X-cloud-security-Mailarchiv: E-Mail archived for: alexander.stein@ew.tq-group.com X-cloud-security-Mailarchivtype:outbound X-cloud-security-Virusscan:CLEAN X-cloud-security-disclaimer: This E-Mail was scanned by E-Mailservice on mx-relay50-hz3.antispameurope.com with 4f8q0M5Frgz2nJ5t X-cloud-security-connect: he-nlb01-hz1.hornetsecurity.com[94.100.132.6], TLS=1, IP=94.100.132.6 X-cloud-security-Digest:71fe5ffff8ee5df7b92405f7a7f4c441 X-cloud-security:scantime:1.844 DKIM-Signature: a=rsa-sha256; bh=3g5o+E0WFL3obDzGGRCqcl1rSO7KKl3sh7z8nGhRozg=; c=relaxed/relaxed; d=ew.tq-group.com; h=content-type:mime-version:subject:from:to:message-id:date; s=hse1; t=1770652245; v=1; b=UsQ4tKgLAtkwtlkzwRox6TTezvQkBikBRqmcM0AJYCuEBYAAIlzGCyYakOb/++vR/kbrsNwI Hf9VuYvZimDr5UJP9sMq1xehr270VI+etIOsGCyQWB2d1uzmy+TlwRgU+O+DnMOPkoUcbEVnCja BikCJCoRL1uWT/O6l/ad3+8yHwj82CbPyINw99EzUub56GaStGjfmyJlm0/7ueG34fq8ACt+89F +e2SeWsuxzxYpC3h4rbkbPv00//LDsPrpTEWPwbLd7K5eRmoXpZr8qShpE2EhjzxPXDBOdotsEk yqpHNsFRSm5D3Db3c1SUGYPDYiYGwlAOuBAC+1tptS9Rg== From: Markus Niebel 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 Signed-off-by: Alexander Stein --- .../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 */ - , + , /* HYS | FSEL 0 | no drive */ , /* HYS | FSEL 3 | X5 */ - , + , /* HYS | FSEL 3 | X4 */ - , - , - , - , - , - , - , - ; + , + , + , + , + , + , + , + ; }; pinctrl_wdog: wdoggrp { -- 2.43.0