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Thu, 24 Sep 2026 09:18:13 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 1097969116973290679 EX-QQ-RecipientCnt: 14 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: multipart/signed; boundary=09e63298bdd63c1cd28b1e0ce1b67eb7db8835fe229092788c9f41ea3312; micalg=pgp-sha512; protocol="application/pgp-signature" Date: Thu, 24 Sep 2026 09:18:10 +0800 Message-Id: From: "Troy Mitchell" To: "Sandie Cao" , "Troy Mitchell" Cc: "Yixun Lan" , "Conor Dooley" , "Rob Herring" , "Krzysztof Kozlowski" , "Paul Walmsley" , "Palmer Dabbelt" , "Albert Ou" , "Alexandre Ghiti" , , , , Subject: Re: [PATCH 3/3] riscv: dts: spacemit: k3-deepcomputing-fml13v05: Enable SD card support X-Mailer: aerc 0.21.0-reader-ipc4 References: <20260922110231.3426011-1-sandie.cao@deepcomputing.io> <20260922110450.3426070-1-sandie.cao@deepcomputing.io> <407ce3d77416bb2522b7906b0df3d5adf02c27ee.2bcc8e57.b8bf.421b.9230.3eea00252952@feishu.cn> <407ce3d77416bb2522b7906b0df3d5adf02c27ee.64156e26.f1af.46d5.a18c.19bc541257f8@feishu.cn> <407ce3d77416bb2522b7906b0df3d5adf02c27ee.a37d568d.f88e.4fdb.8c5f.8da4b148415f@feishu.cn> In-Reply-To: <407ce3d77416bb2522b7906b0df3d5adf02c27ee.a37d568d.f88e.4fdb.8c5f.8da4b148415f@feishu.cn> X-QQ-SENDSIZE: 520 Feedback-ID: esmtpgz:linux.spacemit.com:qybglogicsvrgz:qybglogicsvrgz3a-0 X-QQ-XMAILINFO: No4GWyI4cWt6YRNxkeKW0ijY2/NeevDc4TCk3HpmtEUtPFfOB3UfGhSR MunG1EIlNKdUn9O1SX9oh2E35HgeGKOFMJlNuQASb0TynkSr0QbDRVcH60jBLwIVVK/m6yt msu1icJ65e2glMlJ+QHM4WZiYBJo3KPmtnT/MYQBaj76pT+pCscvZxT73Kx7LUudl/kb1ot UxT/F9tn29gjNCqQRfylJuCgqGgDG7evC4TRf1AYwF8TJMF+gAbfCnghKUBGKnPigEs5Efg v9z1ZmazrjELPUqt64+LCoxtkezbEGL1bnzSbfQ/Trn+JU6rfYiUsc9Mw7kTwCgQSd3Xg1Q /mK8mQGrEhaUrRIjUKlGQUUPJgw9sFOzUN/HkmJg6++XYwPFMJFpwbxiG5MR7ZJAsyp8bMf Qdo9qag9qbekMF8HE5A6qD6Tcdf4z/CpCaQ+MioK2gJr9nAUAQY8Rio0Cvvhz+is8Fb//Ac a5aU/+gCCfn0A5axe/CjXU04P833JNcVeMO51HnDVbfbrsHkaSs9BVKmZoUm6sX7NzFY3Zk B83F8ZQiS6E99k2zzHvOxZFhrb+O7+Kf9vz+fzoQ25t0ZMY4xvrQyiXt7iI4tLyWxHLYlYR BB4e80pTqJcfnns46dMZ85vGSn5iuVQSL+C/uGnbnMjX9YK0spnSAojW/8VDWjTs/C6aIyO zmyIptgsiG1x0FdWCJjyOWML6QJzqiYdDOQzaVIQUXNTmiSerohuE4SZjps9B9rr+ynoso+ /Ojq/LPrMRKPNMzQHndLJrFC75wN45SwLMrxNRjGkgTkfl2IfAxUuclHrMg8myEWsROi+H/ S6wqLpY7+sVhlVNsbwQUGj0Hq4tq0ime0qy+Pz8RnU15GW8ZTbJMU0GZTWP7utIe8KLgByJ KUIpg5GlXpMSn8zm9QmZHi9/hTr1KJ8J6RC31uhytlxnw/Py0/2WqQjJD7voaAo2kILx88h ZBfKPuOFT4znEH2VtyMPocTD/IYftw4LsUUbZmMAsQIP8lmPMQ45gwnKBHNkMiX7cUS7BPg zf/jO+fh+bL8gTBT02aFl+N+C0W06z2oDFtv/IDT8HDLCdKXz/z4uU15zNTCBAQNAUkdzG6 g== X-QQ-XMRINFO: OWPUhxQsoeAVwkVaQIEGSKwwgKCxK/fD5g== X-QQ-RECHKSPAM: 0 --09e63298bdd63c1cd28b1e0ce1b67eb7db8835fe229092788c9f41ea3312 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 On Wed Sep 23, 2026 at 5:51 PM +08, Sandie Cao wrote: > Hi, Troy: > >> From: "Troy Mitchell" >> Date:=C2=A0 Wed, Sep 23, 2026, 17:14 >> On Wed Sep 23, 2026 at 4:01 PM +08, Sandie Cao wrote: >> > Hi, Troy: >> > >> >> From: "Troy Mitchell" >> >> Date:=C2=A0 Wed, Sep 23, 2026, 15:02 >> >> On Wed, Sep 23, 2026 at 02:35:20PM +0800, Sandie Cao wrote: >> >> > FML13V05 SD card slot is inside the board, it doesn't need cd-gpio, >> >> > FML13V05 Keeps GPIO88 to low, Then SD card is always on for SD Card >> >> > driver. >> >>=C2=A0 >> >> An internal slot does not necessarily mean the card is non-removable. >> >> I don't think its location alone justifies keeping card detect assert= ed: >> >> GPIO88 would report a card present even when the slot is empty. >> > >> > Yes. The FML13V05 hardware is designed for this. We can't change it.= =C2=A0 >>=C2=A0 >> I may not have been clear: an internal card slot does not necessarily >> mean the card is non-removable. If GPIO88 is connected to the >> card-detect switch, it still needs a pull-up. Is GPIO88 tied low on >> the board, or does it reflect the state of that switch? > > The FML13V05 SD card slot doesn't have cd-gpio. But the K3 SD card driver= need it, so the GPIO88 is tied low on board.=C2=A0 Sounds like you should use non-removable or broken-cd instead of cd-gpios. Note: Please limit line lengths to 80=E2=80=93100 characters. --=20 Troy Mitchell --09e63298bdd63c1cd28b1e0ce1b67eb7db8835fe229092788c9f41ea3312 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iIMEABYKACsWIQSL4Ay2cExaPXAQcU2YCe+A+TM0LwUCarR6Ug0caUB0cm95LXku b3JnAAoJEJgJ74D5MzQvlDoA/A6waB73+9c0ODRYFcFHDTW3c1NvzQiWzYM32t0A jGw9AQChT/NpSJCNvmUJTbcRlbZfurFIO90wLjsaHzuQy5IeCA== =iXb7 -----END PGP SIGNATURE----- --09e63298bdd63c1cd28b1e0ce1b67eb7db8835fe229092788c9f41ea3312--