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=-19.0 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 DA1E4C4332D for ; Tue, 9 Mar 2021 13:32:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B31F64F35 for ; Tue, 9 Mar 2021 13:32:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231533AbhCINcS (ORCPT ); Tue, 9 Mar 2021 08:32:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230522AbhCINbo (ORCPT ); Tue, 9 Mar 2021 08:31:44 -0500 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA1F6C06175F for ; Tue, 9 Mar 2021 05:31:44 -0800 (PST) Received: by mail-pj1-x1033.google.com with SMTP id kk2-20020a17090b4a02b02900c777aa746fso5201839pjb.3 for ; Tue, 09 Mar 2021 05:31:44 -0800 (PST) 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=sICRVh7f2CnaIXch/ljbyTh/YiC3SaJQVi2yY8F3cEI=; b=H12N7b5h918WXCPFRBD3eFjypWHlemJ2NEedlhsK4Y+jW/gPKmGoNQc/PuaNJZysRR O9rPB4lDgPsuLYfCGmP0oD9DK35lxHEK089L1VvuXMX7OjlJxtqglA1b6npGAoY+vCuG Iv4K2qLnYtfQP+whL2ahLwhq8K/2r4b0YX+HU= 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=sICRVh7f2CnaIXch/ljbyTh/YiC3SaJQVi2yY8F3cEI=; b=YSwh7STZk8X7jUheysSSecxIa4llQUboJkEzwLxGJQovoMctORTgX8s5F7/kL35D6D vSGTEw97s+hbZ5U20BDfVwcPKrIg5jUr3tXA4KdvkKGYVaWSqjeg3xdKNb8DibwHnIOn QgCJeu0GOJyeNqmFguLh+hw5dUHCw+vZonNW41HGaZNyaxjFho2hzaE6YiungvqB5NAt hh2SWantBJ8H+AWBOZl4vTJESUt2ckWh8T0ACtJuHd6Euf7swZGsQNOOBd/UQFRk1RQk pCTMTR28u9jcnWqaQ4Ga9XlOox3oQ+IKVQR4Fu3tZzxzV0bC+D9BMLpQSCVt543Wih1p dcCQ== X-Gm-Message-State: AOAM531qOCB6xSSYOdqvwKAH4nN5/Mo61vmRfo+nwwIVLh4LvdlkcSyA GYFcLOK5tU6XpeL1LFKOVdfmow== X-Google-Smtp-Source: ABdhPJxYtfPzJ7zMOJQNlO3kd9jxglEEHuxGkZlj7HUcxp/hZAfpbUv7ryxiLwxa9+QzytyaAMsfJw== X-Received: by 2002:a17:90a:5413:: with SMTP id z19mr4622848pjh.137.1615296704224; Tue, 09 Mar 2021 05:31:44 -0800 (PST) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:f936:57e5:154d:e0d9]) by smtp.gmail.com with ESMTPSA id 138sm13678649pfv.192.2021.03.09.05.31.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Mar 2021 05:31:43 -0800 (PST) From: Hsin-Yi Wang To: Wolfram Sang , Bartosz Golaszewski , linux-i2c@vger.kernel.org, Mark Brown Cc: Matthias Brugger , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Bibby Hsieh , Rob Herring , Marek Szyprowski Subject: [PATCH v17 3/3] i2c: mediatek: mt65xx: add optional vbus-supply Date: Tue, 9 Mar 2021 21:31:31 +0800 Message-Id: <20210309133131.1585838-4-hsinyi@chromium.org> X-Mailer: git-send-email 2.30.1.766.gb4fecdf3b7-goog In-Reply-To: <20210309133131.1585838-1-hsinyi@chromium.org> References: <20210309133131.1585838-1-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) -- 2.30.1.766.gb4fecdf3b7-goog