From nobody Sun Feb 8 23:34:57 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F783C7EE29 for ; Fri, 9 Jun 2023 18:28:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229830AbjFIS2I (ORCPT ); Fri, 9 Jun 2023 14:28:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229506AbjFIS2G (ORCPT ); Fri, 9 Jun 2023 14:28:06 -0400 Received: from mail-40140.protonmail.ch (mail-40140.protonmail.ch [185.70.40.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDC1D35B3 for ; Fri, 9 Jun 2023 11:28:04 -0700 (PDT) Date: Fri, 09 Jun 2023 18:27:58 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1686335283; x=1686594483; bh=0ZCYTq1OJ9ne6rrLmF3n5ebjjUoiWyyt/yw2i6ZwXrY=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=B9jtlHPiBJNgXuNZ4M/cV7hpj9h6PwzDPFawkPzc3uz/9RjAFfGgtOlYCslUKZVd2 +KRyrMahwbbs2y5DWBybGp2dcjYFDnoQIqnuPMF+tzO49HVSAmiAcQjpI/ZwChdYYR 6+swcSAHyLgAHl0S0QmE4YZ4aOuR31Y0yu91Ip747WFBGocP0S+Rz6UtxkqnY552zp hnpHKAX3fflk8SPsZk6u4VHDbJ0i9vng1sptm20jOD0+OnAInI9gVea6yC1q74Pkec gMDY9Xt1BFlHohrwNzk1CpA8QSI3dQrSpJwWpVA7t54LqFihKeX34GdXOELMXHxxX3 qJSVj5D+KFLpw== To: linux-kernel@vger.kernel.org From: Raymond Hackley Cc: Krzysztof Kozlowski , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Liam Girdwood , Mark Brown , Michael Walle , =?utf-8?Q?Uwe_Kleine-K=C3=B6nig?= , Jeremy Kerr , Raymond Hackley , netdev@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 1/2] dt-bindings: nfc: nxp-nci: document pvdd-supply Message-ID: <20230609182729.85088-1-raymondhackley@protonmail.com> In-Reply-To: <20230609182639.85034-1-raymondhackley@protonmail.com> References: <20230609182639.85034-1-raymondhackley@protonmail.com> Feedback-ID: 49437091:user:proton MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" PN547/553, QN310/330 chips on some devices require a pad supply voltage (PVDD). Otherwise, the NFC won't power up. Document support for pad supply voltage pvdd-supply that is enabled by the nxp-nci driver so that the regulator gets enabled when needed. Signed-off-by: Raymond Hackley Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml b/Docum= entation/devicetree/bindings/net/nfc/nxp,nci.yaml index 6924aff0b2c5..d5a4f935c2ce 100644 --- a/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml +++ b/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml @@ -25,6 +25,11 @@ properties: firmware-gpios: description: Output GPIO pin used to enter firmware download mode =20 + pvdd-supply: + description: | + Optional regulator that provides pad supply voltage for some + controllers + interrupts: maxItems: 1 =20 --=20 2.30.2