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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 B7F88C432BE for ; Tue, 17 Aug 2021 04:18:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 91D0960F14 for ; Tue, 17 Aug 2021 04:18:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237878AbhHQES5 (ORCPT ); Tue, 17 Aug 2021 00:18:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230245AbhHQES4 (ORCPT ); Tue, 17 Aug 2021 00:18:56 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F15BC061764; Mon, 16 Aug 2021 21:18:24 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id j1so29957693pjv.3; Mon, 16 Aug 2021 21:18:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=/De+hbEmJZRZ6r7uVfFxTcLTqZUJMY0uXYnWBmH2jqY=; b=UPAVPx813tLu01hoTQDKKDPD4TQMFuDerro+n95jRRkWNy/RT0SO9DflqJSdOXEpo8 NF945T3KYbr2dkLX7mCJrv7oCbijYqRDHaaGyMnJAsNhPak4th2ei+E7Fx/hS4KXN17u 9Bfr/UD9Ljtn0WCNc8MIlqC0XMbkiSx2HxBediZuEJLik+RtWAcjsSIaacEN3TjxETqM 5Pjlfvj/l/d2CcCrQqXYRj0uiAIO378u913DdfIfKVZaYqz5sFVbHUQWYDkVgVc44bxA 955YSQk32VnaKwoPsd81yupWYX4H7s0Ycddn8ref6yXZUkWdwAZdb2fzYlvDPWU1ucyO bV9Q== 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=/De+hbEmJZRZ6r7uVfFxTcLTqZUJMY0uXYnWBmH2jqY=; b=pk7gFHmEET4YYXj+uOcrjuQscA17A4wfFWr+gxISc/S9m0aVU4cFNGw6VywyZdSzDC YGQ2kTkZLgXhm8xtGECxZqKItrS3JovVwlVREIMzSGoJi6YJruMq3csSI+dKuRWah3KD MPRrF+BDvfegs5z0669KXZNDnMJWTQYVhGECjI6E2blPw3G/utUWuQCYGY/2KmjX6Q2M mWwiy2rl5HgGknPkQTDEP6v1LKooRmpObnUiST3pr+XO/alUO634Pa5Ya5CXs3gC1UAM j9Opw1OuXu9KTc54OFH4eUkUzjDpz1CnBK4VK8zVq3ZIqhspHdjTn0D5aqz6zoMuCfE8 iFMw== X-Gm-Message-State: AOAM531D+2IAgvyJyuAgtA2bKDw2QlRim+ohLJZw7hLxVx27aPGErxhL MLzJOj/g3/qZZT+JPB1ELa0= X-Google-Smtp-Source: ABdhPJywvJvBG8K/pH/TB32oj8Wb9Zx5SLgjCuvw5NL08QMtDpkX72qoocsfu3ggRwCUPivhw60K4A== X-Received: by 2002:a17:902:7294:b029:12d:2434:6d26 with SMTP id d20-20020a1709027294b029012d24346d26mr1359556pll.59.1629173903805; Mon, 16 Aug 2021 21:18:23 -0700 (PDT) Received: from archl-on1.. ([103.51.72.143]) by smtp.gmail.com with ESMTPSA id g11sm705676pfo.166.2021.08.16.21.18.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Aug 2021 21:18:23 -0700 (PDT) From: Anand Moon To: linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Anand Moon , Matt Corallo , Martin Blumenstingl , Rob Herring , Neil Armstrong , Kevin Hilman , Jerome Brunet , Kishon Vijay Abraham I , Vinod Koul , Emiliano Ingrassia , Brian Kim Subject: [PATCHv3 5/6] phy: amlogic: meson8b-usb2: Power off the PHY by putting it into reset mode Date: Tue, 17 Aug 2021 09:45:39 +0530 Message-Id: <20210817041548.1276-6-linux.amoon@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210817041548.1276-1-linux.amoon@gmail.com> References: <20210817041548.1276-1-linux.amoon@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Power off the PHY by putting it into reset mode. Cc: Martin Blumenstingl Acked-by: Martin Blumenstingl Signed-off-by: Anand Moon --- v2 - None --- drivers/phy/amlogic/phy-meson8b-usb2.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/phy/amlogic/phy-meson8b-usb2.c b/drivers/phy/amlogic/phy-meson8b-usb2.c index 03c061dd5f0d..2aad45c55494 100644 --- a/drivers/phy/amlogic/phy-meson8b-usb2.c +++ b/drivers/phy/amlogic/phy-meson8b-usb2.c @@ -219,6 +219,10 @@ static int phy_meson8b_usb2_power_off(struct phy *phy) clk_disable_unprepare(priv->clk_usb); clk_disable_unprepare(priv->clk_usb_general); + /* power off the PHY by putting it into reset mode */ + regmap_update_bits(priv->regmap, REG_CTRL, REG_CTRL_POWER_ON_RESET, + REG_CTRL_POWER_ON_RESET); + return 0; } -- 2.32.0