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 X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E57EC43462 for ; Fri, 7 May 2021 13:14:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C94A261466 for ; Fri, 7 May 2021 13:14:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237162AbhEGNP0 (ORCPT ); Fri, 7 May 2021 09:15:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39908 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237149AbhEGNPW (ORCPT ); Fri, 7 May 2021 09:15:22 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6696EC06138E for ; Fri, 7 May 2021 06:14:20 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id b3so5103509plg.11 for ; Fri, 07 May 2021 06:14:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=kikr9ZhoRbpRt9r742gt6H3+Tb3lJblPdN6YyE6SQsY=; b=EAvHCPHyHbXHiIiNsXn2M8do7dMCJUcobH25Fpf1g+s7gllEtWszn+qb/57yyeQQmp CBhSV5miPj08lzUv2duZT8QDmc5As69tht5584Xf6Nh8y2dwtdK8QJ2ot5p1Qz9zsFgs U8IzCzmwdrhPxHFILcqqaB0XfofyPavr0uwkw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=kikr9ZhoRbpRt9r742gt6H3+Tb3lJblPdN6YyE6SQsY=; b=VrNrvJvoF71wO15Ih6OEliu9HbBUW08ldCchDbeKHLbN7FKib3VL4gu/7dUXLwou1O VrtHN/B9gAsXpvzoeBYXoIyVO+MsgxN5GN4qZxgGPumCeLF/k2ttpMS2/TxyInpVBgbq AvCHsEQ+iPTmxZmDkQFq/2FbLWQ+Uesourz5TcAMn0y2t2wRVFrUdYr6zaB8Lcfy1q3z jbmRwMuUXyTRHOOVjDjXx0oiWCyj17n7vUYt/rN7S8XcsFwBJaNzgfI1YDYtn8KFZyl+ o3M62tuU6VIZI6nq3b8hTXuwexCz3VVSWGc0psDKJYDNl7FO20trQK+9RD8rCZPiuy0K tc/g== X-Gm-Message-State: AOAM5331LFuYObQEidnq7BI7K3wCAdtLCUxB6eow619rO3G9mCuYoRP/ Hzo0xVNinjCyXRyU3sWcsTi6AA== X-Google-Smtp-Source: ABdhPJwXqN//d5LHFxyd15ybs67ak235z16Nesh7tNZdIpgwmAaqvd1c9pGhWHrfZAv/rGknYi/i1Q== X-Received: by 2002:a17:902:8682:b029:ef:d2:4311 with SMTP id g2-20020a1709028682b02900ef00d24311mr6293896plo.4.1620393259946; Fri, 07 May 2021 06:14:19 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:711f:8553:a124:a19]) by smtp.gmail.com with ESMTPSA id z29sm4656539pga.52.2021.05.07.06.14.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 May 2021 06:14:19 -0700 (PDT) From: Hsin-Yi Wang To: Wolfram Sang , Matthias Brugger , Rob Herring , Bartosz Golaszewski Cc: linux-i2c@vger.kernel.org, Qii Wang , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Mark Brown , Marek Szyprowski , Bibby Hsieh , Arnd Bergmann Subject: [PATCH v21 3/5] i2c: mediatek: mt65xx: add optional vbus-supply Date: Fri, 7 May 2021 21:14:04 +0800 Message-Id: <20210507131406.2224177-4-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.607.g51e8a6a459-goog In-Reply-To: <20210507131406.2224177-1-hsinyi@chromium.org> References: <20210507131406.2224177-1-hsinyi@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Add vbus-supply which provides power to SCL/SDA. Pass this regulator into core so it can be turned on/off for low power mode support. Signed-off-by: Hsin-Yi Wang --- drivers/i2c/busses/i2c-mt65xx.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c index 5ddfa4e56ee2..22d1d14b5de5 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -1220,6 +1220,13 @@ static int mtk_i2c_probe(struct platform_device *pdev) i2c->adap.quirks = i2c->dev_comp->quirks; i2c->adap.timeout = 2 * HZ; i2c->adap.retries = 1; + i2c->adap.bus_regulator = devm_regulator_get_optional(&pdev->dev, "vbus"); + if (IS_ERR(i2c->adap.bus_regulator)) { + if (PTR_ERR(i2c->adap.bus_regulator) == -ENODEV) + i2c->adap.bus_regulator = NULL; + else + return PTR_ERR(i2c->adap.bus_regulator); + } ret = mtk_i2c_parse_dt(pdev->dev.of_node, i2c); if (ret) -- 2.31.1.607.g51e8a6a459-goog