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=-18.8 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, USER_AGENT_GIT autolearn=unavailable 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 A9F38C43461 for ; Wed, 14 Apr 2021 17:29:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E55F61166 for ; Wed, 14 Apr 2021 17:29:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350838AbhDNRaG (ORCPT ); Wed, 14 Apr 2021 13:30:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45644 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350393AbhDNR3x (ORCPT ); Wed, 14 Apr 2021 13:29:53 -0400 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89C79C061756 for ; Wed, 14 Apr 2021 10:29:31 -0700 (PDT) Received: by mail-pj1-x1034.google.com with SMTP id x21-20020a17090a5315b029012c4a622e4aso11192426pjh.2 for ; Wed, 14 Apr 2021 10:29:31 -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=plmO0AdMl820K1E1EewPUIFFIYm0UYQ8GWMNCMfiNMs=; b=LWWkG7tf2pAAxOYa62M6wF4DR6wuiuWheoc5zSNFuwA0w62Prt2SPX7h0tg3QF4d2V 44nkwDeNFfIzGlhxsD0/euzgJwjZy8/voyo4Fri/H5W/ug6v0hmlUPQH+WHtMo0TjM9m zGTvuXagrcNpxaxXK+HoZoVJQf5Z62gbvDiKQ= 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=plmO0AdMl820K1E1EewPUIFFIYm0UYQ8GWMNCMfiNMs=; b=X07hx3+DCXBa+aQHPea2Ydzj+35IC9ySyckz9kxKXfchN99Yh01icjBl38vTqSTUVw aXnHtnGQn+66Asem+gwrdNTAgziqFjX5JwDMLE7UrImRxZ7B2rulNutZ0QGnLhsOEP3P kkDFyazSP2E/fzfSRgdw1UMU0Y0wZz+pykdyew7g0BJzSJZpEDBmFJD56h/VoPF8Y80h ye3lvZ17SXsd4l1n5tJqywuSr8s03Tdm53nfgnpiPQBVxm4zapGan0Xw3OkO3qjLEy/w aigfqDmpYlmkkZo0wCn9RkhUfELauosIH5SHrOpjWG0cagwtKCMhC/+ryn8sSr18rqC6 3a3w== X-Gm-Message-State: AOAM532jZ1q4pcWdGwBmPjebDd8Q577k50GQbB9CMFdQhr8CgMFq78tp 1yFeRBTcmrj3RpIwotz1g07uwA== X-Google-Smtp-Source: ABdhPJzqi2vvW8j/Szl8iVKwjP6K0nUzELS0dvdFZgmCztvcUb4kX2kyyJdsJNS5/ctFp046mYN23w== X-Received: by 2002:a17:902:fe91:b029:eb:ad8:c5f with SMTP id x17-20020a170902fe91b02900eb0ad80c5fmr15248007plm.63.1618421371078; Wed, 14 Apr 2021 10:29:31 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:bae3:4af0:9792:1539]) by smtp.gmail.com with ESMTPSA id e31sm63460pjk.4.2021.04.14.10.29.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Apr 2021 10:29:30 -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 , Jani Nikula , Joonas Lahtinen , intel-gfx@lists.freedesktop.org Subject: [PATCH v19 3/6] i2c: mediatek: mt65xx: add optional vbus-supply Date: Thu, 15 Apr 2021 01:29:13 +0800 Message-Id: <20210414172916.2689361-4-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.295.g9ea45b61b8-goog In-Reply-To: <20210414172916.2689361-1-hsinyi@chromium.org> References: <20210414172916.2689361-1-hsinyi@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 2ffd2f354d0a..82f2b6716005 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -1215,6 +1215,13 @@ 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) -- 2.31.1.295.g9ea45b61b8-goog