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Tue, 10 Feb 2026 07:43:05 +0100 (CET) From: Alexander Stein To: Frank Li Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Markus Niebel , Shawn Guo , 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: Re: [PATCH 2/2] arm64: dts: imx93-tqma9352: improve eMMC pad configuration Date: Tue, 10 Feb 2026 07:43:05 +0100 Message-ID: <5085410.31r3eYUQgx@steina-w> Organization: TQ-Systems GmbH In-Reply-To: References: <20260209155015.267008-1-alexander.stein@ew.tq-group.com> <20260209155015.267008-2-alexander.stein@ew.tq-group.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" 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-relay36-hz1.antispameurope.com with 4f9BpL2LgXz2HYn9 X-cloud-security-connect: he-nlb01-hz1.hornetsecurity.com[94.100.132.6], TLS=1, IP=94.100.132.6 X-cloud-security-Digest:99e422220242feeb3b158eff7f537415 X-cloud-security:scantime:2.145 DKIM-Signature: a=rsa-sha256; bh=b56rULzaQmeMuoYAaEU4xGBS2qJkvIqeuKLdirVgvFA=; c=relaxed/relaxed; d=ew.tq-group.com; h=content-type:mime-version:subject:from:to:message-id:date; s=hse1; t=1770705802; v=1; b=SakI8sI6GnZfZsJKCAZm3F7LIYCi2FUjpE/koOKGaHD+dNGi2wmz/ALjZ4sY5OypSTZwOGli vK8MQlGcIfBu/jzeH1xzYeGA1wcY1UI0cdE/coDXPhvc6lvLjGWLyfW+wgzUOdhB/x9Jw+gJUF0 2KVkn1PA4ihClfpWpgeWqCX+SWshNAUmj3aZtaIlJgdpvkHXCShyMJHJph4QbExhea9G9uMYV2A P2TgAOhQxa8AyqCWhH1TMJ7FaY91F5bfTZlJRKXym2pnSCE29+KwDbOQLqdUxR03yw1odTBTTYZ sTIPuH+wvMF9ox8CGC76l1XA3Pa84JpGCODjCsNcSKeaw== Hi Frank, Am Montag, 9. Februar 2026, 20:20:24 CET schrieb Frank Li: > On Mon, Feb 09, 2026 at 04:50:14PM +0100, Alexander Stein wrote: > > 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=B0C. >=20 > Nit: >=20 > Use DSE x4 an PullUp for CMD an DAT, DSE x4 and PullDown for CLK to impro= ve > stability and detection at low temperatures under -25=B0C. >=20 > If you think it is okay, I can update it when apply it. >=20 > Reviewed-by: Frank Li Thanks, this sounds even better. Feel free to amend it when applying. Best regards, Alexander > > > > Fixes: 0b5fdfaa8e45 ("arm64: dts: freescale: imx93-tqma9352: set SION f= or cmd and data pad of USDHC") > > Signed-off-by: Markus Niebel > > Signed-off-by: Alexander Stein > > --- > > .../boot/dts/freescale/imx93-tqma9352.dtsi | 26 +++++++++---------- > > 1 file changed, 13 insertions(+), 13 deletions(-) > > > > diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi b/arch/a= rm64/boot/dts/freescale/imx93-tqma9352.dtsi > > index 3a23e2eb9febe..ce34a296495c4 100644 > > --- a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi > > +++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi > > @@ -271,21 +271,21 @@ MX93_PAD_SD2_RESET_B__GPIO3_IO07 0x106 > > /* enable SION for data and cmd pad due to ERR052021 */ > > pinctrl_usdhc1: usdhc1grp { > > fsl,pins =3D < > > - /* PD | FSEL 3 | DSE X5 */ > > - MX93_PAD_SD1_CLK__USDHC1_CLK 0x5be > > + /* PD | FSEL 3 | DSE X4 */ > > + MX93_PAD_SD1_CLK__USDHC1_CLK 0x59e > > /* HYS | FSEL 0 | no drive */ > > MX93_PAD_SD1_STROBE__USDHC1_STROBE 0x1000 > > - /* HYS | FSEL 3 | X5 */ > > - MX93_PAD_SD1_CMD__USDHC1_CMD 0x400011be > > - /* HYS | FSEL 3 | X4 */ > > - MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x4000119e > > - MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x4000119e > > - MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x4000119e > > - MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x4000119e > > - MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x4000119e > > - MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x4000119e > > - MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x4000119e > > - MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x4000119e > > + /* HYS | PU | FSEL 3 | DSE X4 */ > > + MX93_PAD_SD1_CMD__USDHC1_CMD 0x4000139e > > + /* HYS | PU | FSEL 3 | DSE X4 */ > > + MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x4000139e > > + MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x4000139e > > + MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x4000139e > > + MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x4000139e > > + MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x4000139e > > + MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x4000139e > > + MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x4000139e > > + MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x4000139e > > >; > > }; > > > > -- > > 2.43.0 > > >=20 =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/