From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 55676106ACD7 for ; Thu, 12 Mar 2026 17:42:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=VTQJeusSuIuO9m60Ig5K6NHxUSreeCyAh8DGp2ovulk=; b=vkKcNVJ6qAKQ8uPCdPcECzqd2+ 5/EYTEF5vyd4aQqS8h99vfd4dviH2l6z/yTha7/9RLDKeN9zerarYKFxoEuEUsVlD2YH3EYAOOuv+ jQ6tHZctJVrKPEn76JxkDBPKreI/lNHpXP04cbJ9iM2UyN9J6aDTOD8AbSETK1JNNkbwiA0zj/Grf lBtbwxPrlpqDoA3mtuwK+PHZIzoBEX3G0znFPvSNreaNIet+EoYjfIdxiPaVYDfVGTxNGaV+nNrF4 xcdPYUvE1KcWPrdjy8eSLY3ALJy+S7qUH49K4sr0tEb77UypziSPrAtQkg97km9Kp1yDmnXxnW3rY LsVBmYNw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0k3U-0000000EksY-3sx4; Thu, 12 Mar 2026 17:42:40 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0k3R-0000000EksA-1i85; Thu, 12 Mar 2026 17:42:40 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 981D740A8A; Thu, 12 Mar 2026 17:42:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D81CC116C6; Thu, 12 Mar 2026 17:42:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773337356; bh=BvynsxQT+72Rrn/uUDDfsNj/GLSJx+wlAMlrdvLf+NM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=b42H45l/gDxAJEGfU3qTzBjD5/TLjqEZCpox7A9y23bQ9X8cfOwytTgRTG6/sneL2 yMrLK8HaLmlBQvNFmI9wJiNgFOxizT51v99W4BOe8Aq0pG4DPwx/B5turcZUsAnKGG N24AMEuHGDi+h0jVsDIb8DduFqPfD5cvgN2yOq1a68l2LmJ6vul46oBx3gEggY8d77 X0YInjHaJQ1qBpHiOZISuTdYh5GQYHKvKWV5X4JaEPSU5RP4PsH54PMCh5TnDHau/3 8mdokoNztYo8m58TrFJphotlXvS505D/P2NEZomy/4Okie4VJ2bnkcwfCUhlWLqfK5 dXOVbl1fmXO7A== Date: Thu, 12 Mar 2026 17:42:31 +0000 From: Conor Dooley To: Yu-Chun Lin Cc: linusw@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, afaerber@suse.com, bartosz.golaszewski@oss.qualcomm.com, james.tai@realtek.com, cy.huang@realtek.com, stanley_chang@realtek.com, tychang@realtek.com, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-realtek-soc@lists.infradead.org Subject: Re: [PATCH v3 1/7] dt-bindings: pincfg-node: Add input-voltage-microvolt property Message-ID: <20260312-decathlon-unheard-33543f7c9f38@spud> References: <20260312113040.68189-1-eleanor.lin@realtek.com> <20260312113040.68189-2-eleanor.lin@realtek.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="EkrqEmDpWds7n/h2" Content-Disposition: inline In-Reply-To: <20260312113040.68189-2-eleanor.lin@realtek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260312_104238_770556_413AA192 X-CRM114-Status: GOOD ( 17.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --EkrqEmDpWds7n/h2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 12, 2026 at 07:30:34PM +0800, Yu-Chun Lin wrote: > From: Tzuyi Chang >=20 > Add a generic pin configuration property "input-voltage-microvolt" to > support hardware designs where the input logic threshold is decoupled > from the power supply voltage. >=20 > This property allows the pinctrl driver to configure the correct internal > reference voltage for pins that need to accept input signals at a differe= nt > voltage level than their power supply. For example, a pin powered by 3.3V > may need to accept 1.8V logic signals. >=20 > This defines the reference for VIH (Input High Voltage) and VIL (Input Low > Voltage) thresholds, enabling proper signal detection across different > voltage domains. >=20 > Signed-off-by: Tzuyi Chang > Co-developed-by: Yu-Chun Lin > Signed-off-by: Yu-Chun Lin > --- > Changes in v3: > - Rebased onto the devel branch of the pinctrl tree. > - Improved commit message and description. > --- > Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml | 5 +++++ > 1 file changed, 5 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml b= /Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml > index fe936ab09104..fd49a0d53bf0 100644 > --- a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml > +++ b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml > @@ -162,6 +162,11 @@ properties: > this affects the expected delay in ps before latching a value to > an output pin. > =20 > + input-voltage-microvolt: > + description: Specifies the input voltage level of the pin in microvo= lts. > + This defines the reference for VIH (Input High Voltage) and VIL > + (Input Low Voltage) thresholds for proper signal detection. Should this be added here: - if: required: - input-disable then: properties: input-enable: false and made mutually exclusive with input-disable? > + > allOf: > - if: > required: > --=20 > 2.34.1 >=20 --EkrqEmDpWds7n/h2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCabL7BwAKCRB4tDGHoIJi 0pKEAQC6Ey1baSsob113/Wx8B3QdXrW3HwDRHNbW+DMmvy+UjQD/XOOL9otVRpeA +g1SsE3I8Zj7rlmTtKL+9i55DXfyTA8= =JhZK -----END PGP SIGNATURE----- --EkrqEmDpWds7n/h2--