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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n127-20020a632785000000b00502f457059dsi11840119pgn.330.2023.03.20.13.59.12; Mon, 20 Mar 2023 13:59:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@protonmail.com header.s=protonmail3 header.b=ZMhAHgPg; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=protonmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229677AbjCTU4K (ORCPT + 99 others); Mon, 20 Mar 2023 16:56:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229583AbjCTU4I (ORCPT ); Mon, 20 Mar 2023 16:56:08 -0400 X-Greylist: delayed 4199 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Mon, 20 Mar 2023 13:56:00 PDT Received: from mail-41104.protonmail.ch (mail-41104.protonmail.ch [185.70.41.104]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E515DA3; Mon, 20 Mar 2023 13:55:59 -0700 (PDT) Date: Mon, 20 Mar 2023 17:55:21 +0000 Authentication-Results: mail-41104.protonmail.ch; dkim=pass (2048-bit key) header.d=protonmail.com header.i=@protonmail.com header.b="ZMhAHgPg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1679334933; x=1679594133; bh=FAkqOD8kiqkTEaAEfEctBYZB4b4Y94ELoYgOe0EWWpk=; 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=ZMhAHgPg6OUDCGsoHzTQSoirpDB1jUXVGQCPGqI8sxUuA4OBl8bdZ/YxSxXofUTF4 dHBuRkWVrF1MbyOggw/Qx2i7/IZHBkxZ01EkOTinpD2jUp8Mf85eiRk9bHJnRt2loF ZoiOARjYnSd2A+Abk0wVkuwjEXtVTYAf4tf/AfP6hTcdcQMaZIsxWNwrgimNeGLO92 gdDDg0i/W/vZUcc61XgjatznxWorG2NNFH3L9msrdfaTlVPetnEIE5NeJfYY4G5m+Y uUMlqnaOjUz3n3FKsndqNq3G/f71uQ/zfxoxlS57W6kOiBBQ6mHZNksr08M4fUgDin JLVtV5Tl854/w== To: linux-kernel@vger.kernel.org From: "Lin, Meng-Bo" Cc: Pavel Machek , Lee Jones , Rob Herring , Krzysztof Kozlowski , Nikita Travkin , Stephan Gerhold , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht Subject: [PATCH v2 1/2] dt-bindings: leds: aw2013: Document vddio-supply Message-ID: <20230320175131.174657-1-linmengbo0689@protonmail.com> In-Reply-To: <20230320174949.174600-1-linmengbo0689@protonmail.com> References: <20230320174949.174600-1-linmengbo0689@protonmail.com> Feedback-ID: 40467236:user:proton MIME-Version: 1.0 X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00,DATE_IN_PAST_03_06, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,SPF_HELO_PASS,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760912899224869426?= X-GMAIL-MSGID: =?utf-8?q?1760921874838046725?= Some LEDs controllers are used with external pull-up for the interrupt line and the I2C lines, so we might need to enable a regulator to bring the lines into usable state. Otherwise, this might cause spurious interrupts and reading from I2C will fail. Document support for "vddio-supply" that is enabled by the aw2013 driver so that the regulator gets enabled when needed. Signed-off-by: Lin, Meng-Bo --- Documentation/devicetree/bindings/leds/leds-aw2013.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/leds-aw2013.yaml b/Documentation/devicetree/bindings/leds/leds-aw2013.yaml index 08f3e1cfc1b1..79b69cf1d1fe 100644 --- a/Documentation/devicetree/bindings/leds/leds-aw2013.yaml +++ b/Documentation/devicetree/bindings/leds/leds-aw2013.yaml @@ -23,6 +23,11 @@ properties: vcc-supply: description: Regulator providing power to the "VCC" pin. + vddio-supply: + description: | + Optional regulator that provides digital I/O voltage, + e.g. for pulling up the interrupt line or the I2C pins. + "#address-cells": const: 1