From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B2FBF33BBC0; Mon, 13 Apr 2026 15:43:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776094991; cv=none; b=P4ROzgr3VZRDVpsM//sEKU9sv7aY1jaQ2kWubFbOlIY9/WeEcNUAjUTNveVPkaK62mT06zI7gnXOdplsJ7WRl5FKeJinBeX+vw57Vo8CQpOv9aCNwXGNI/RYiVP/wPwgFy6BvVxrgLQhQqB7DkWmGVeriTKSS8J3q1J9FZ8UZFU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776094991; c=relaxed/simple; bh=J6M91WN4wCbUaBUzpCxhjIP7l+s0mcfpvXiabrHgDQg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E2jjhWJvkDrI2mdUhbn9rRdEmsaz82nnjG1MoqVKtOhgyAXi8riwlCp259dYEnwtW3yaxpk3XmnqxcuvBkTLNW4YUemb+WDX9NcqUdEkE9kUFJiHvNwHN6SH+pqgqE8j5AGxPyCqsgvi6f5ifbxbqa/8CLWfr9JCtcMMZHVOmhQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=R7aCrpwn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="R7aCrpwn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E1F3DC2BCAF; Mon, 13 Apr 2026 15:43:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776094991; bh=J6M91WN4wCbUaBUzpCxhjIP7l+s0mcfpvXiabrHgDQg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=R7aCrpwnUb1R4a7GvWyujsiZt0jFDb4IG44cdICeSBu1WJQFlZtg0a0j1TpFphJUb Slk8vaaxDFtZkR5y5YPSrGJkaLiY9TPl/ZIGdFMst2FTguMDqptzOZK3oeSJBJCUc0 n89V1Py4jWWoBOtqQuGQus+dzpWOhcx1FAW0ZyWSo0++CjSF85bGb0bM5qWEFOj4uG LhvbjkH7a8RxkExHNkdqQuFZ26aceoy99TGXuC5DkXe1dWTPeIcjzAj1zarEvDXGpr V+35PZ9B53Mlt7widHkX0lvULY0b4b5cdR+nplnqCAk/McSkHyANcqNOlE+FijOZOC Ut8t4eO1IOKpQ== Date: Mon, 13 Apr 2026 16:43:05 +0100 From: Conor Dooley To: Iker Pedrosa Cc: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Adrian Hunter , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Troy Mitchell , Michael Opdenacker , Javier Martinez Canillas , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 1/9] dt-bindings: mmc: spacemit,sdhci: add pinctrl support for voltage switching Message-ID: <20260413-marry-discover-e8357e12cf50@spud> References: <20260413-orangepi-sd-card-uhs-v7-0-16650f49c022@gmail.com> <20260413-orangepi-sd-card-uhs-v7-1-16650f49c022@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="url34NB/arvIj4F7" Content-Disposition: inline In-Reply-To: <20260413-orangepi-sd-card-uhs-v7-1-16650f49c022@gmail.com> --url34NB/arvIj4F7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 13, 2026 at 09:24:43AM +0200, Iker Pedrosa wrote: > Document pinctrl properties to support voltage-dependent pin > configuration switching for UHS-I SD card modes. >=20 > Add optional pinctrl-names property with two states: > - "default": For 3.3V operation with standard drive strength > - "state_uhs": For 1.8V operation with optimized drive strength >=20 > These pinctrl states allow the SDHCI driver to coordinate voltage > switching with pin configuration changes, ensuring proper signal > integrity during UHS-I mode transitions. >=20 > Signed-off-by: Iker Pedrosa Acked-by: Conor Dooley pw-bot: not-applicable --url34NB/arvIj4F7 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCad0PCQAKCRB4tDGHoIJi 0ju+AP4tcscdxvK3w0q7a3EslP/B5N38OkukMtHg6HhJxJm+UgD/aSGhGAavzlZG /mHJ2SrhK59zNN/4YPhq1XaISVMRzww= =Mk/L -----END PGP SIGNATURE----- --url34NB/arvIj4F7--