From patchwork Tue Aug 17 04:15:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 498244 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=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 6CBDFC4338F for ; Tue, 17 Aug 2021 04:17:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 562AE60FD7 for ; Tue, 17 Aug 2021 04:17:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229477AbhHQESI (ORCPT ); Tue, 17 Aug 2021 00:18:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237520AbhHQESG (ORCPT ); Tue, 17 Aug 2021 00:18:06 -0400 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F86DC061764; Mon, 16 Aug 2021 21:17:34 -0700 (PDT) Received: by mail-pj1-x1036.google.com with SMTP id u21-20020a17090a8915b02901782c36f543so2778743pjn.4; Mon, 16 Aug 2021 21:17:34 -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=aFbf5MZvdHne2nfZzSqkqs09pAcRMOYPxHTfv7PVwSk=; b=gIdDzzrbItxf9RBdIOJGtF1f1VKiW5B81efUiKJIM5vqEKjS7oaj8l2DsTlGL6NhFS pN/dDl8WnWH/0KBbCXmvvTm2SddGx/fi9o4bYMqTNuBg9Ok76Q6NlhRXy+SeVZZjWyYj ljxtinJfGm1kAVJfWKWy7PsHuLQNAwKxD6ao0wignJAajpAehmE6Yzb0CdrjH75Bd6GS D6UQhDQ2Dz+/zTz1ANlr8RcyT9oA4J2vRwP7MEeGOGiA1go4rEy2kpcCJXjzdh1A/Qwt +dc+xZVLYZ40/Y1RAreCe+c2Yr/kMk2vQoql/JX3TYrqGDzpO9Dv/YWUWb7+mTBsaJ3b 12rA== 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=aFbf5MZvdHne2nfZzSqkqs09pAcRMOYPxHTfv7PVwSk=; b=Q6Z/To4tsARXjaUxmsIqDJJaRPzUqK/KgyNgOzOidfPv4rbDhvc85BiYkUg3JlW4gK K0cqZ9EB9893e8vdyGq1MxVC0B8naVCy7cIMu6tKx7LokJlmrhS16U8oh0u8RKYrvYzi K4qqsldlNd7QVum58QqR51ccg01a/fQBjA3Nek2YwLmSlrcUBXo/MjPIK1NYJhPpcAtT keX13DKMN/bxzmHy2fu9YDfWFHFtBsFu83Hr4Iykc8Pmlj/lOABfAdpOkO/GUlQSeeSH trhXEGCiq8xtns5MFbIFbsxW4exdsEYvsZjqV+aWk46SC/i4SbwzN4PzysKAZuU2qrYQ Ll9Q== X-Gm-Message-State: AOAM532mzLEXIF4KcXShmIJQIMybYg4EFKxjg+aVLptAhUtncJBqvlDV TJLOM0Hz2KGJlzRcMNvJ+n8= X-Google-Smtp-Source: ABdhPJwUmgJHOYZGmqb7CZ/IPnyklBdcoU5GSH6oVqioOWLbpzvI57uFAQR+YepvUxw6cA9JFgqcEA== X-Received: by 2002:a17:90a:9308:: with SMTP id p8mr1457358pjo.119.1629173853769; Mon, 16 Aug 2021 21:17:33 -0700 (PDT) Received: from archl-on1.. ([103.51.72.143]) by smtp.gmail.com with ESMTPSA id g11sm705676pfo.166.2021.08.16.21.17.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Aug 2021 21:17:33 -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 1/6] ARM: dts: meson8b: odroidc1: Add usb phy power node Date: Tue, 17 Aug 2021 09:45:35 +0530 Message-Id: <20210817041548.1276-2-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 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add missing usb phy power node for usb node fix below warning. P5V0 regulator supply input voltage range to USB host controller. As described in the C1+ schematics, GPIO GPIOAO_5 is used to enable input power to USB ports, set it to Active Low. [ 1.260772] dwc2 c90c0000.usb: Looking up vbus-supply from device tree [ 1.260784] dwc2 c90c0000.usb: Looking up vbus-supply property in mode /soc/usb@c90c0000 failed Fixes: 2eb79a4d15ff (ARM: dts: meson: enabling the USB Host controller on Odroid-C1/C1+ board) Cc: Martin Blumenstingl Signed-off-by: Anand Moon --- V2 > changes gpio polarity ACTIVE_HIGH to ACTIVE_LOW. Fix the source power from phy-supply to vbus-supply. [1] https://lore.kernel.org/linux-devicetree/20210716103651.1455-2-linux.amoon@gmail.com/ V1 > Fix the Input GPIO polarity from HIGH to LOW. previous version [0] https://patchwork.kernel.org/project/linux-amlogic/patch/20190113181808.5768-1-linux.amoon@gmail.com changes fix the vbus-suppy to phy-supply, drop enable usb0 USB_PWR 2 1 0 unknown 5000mV 0mA 5000mV 5000mV phy-c1108820.phy.0-phy 2 0mA 0mV 0mV --- arch/arm/boot/dts/meson8b-odroidc1.dts | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts index c440ef94e082..30ec6a7f20c7 100644 --- a/arch/arm/boot/dts/meson8b-odroidc1.dts +++ b/arch/arm/boot/dts/meson8b-odroidc1.dts @@ -32,6 +32,23 @@ emmc_pwrseq: emmc-pwrseq { reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; }; + usb_pwr_en: regulator-usb-pwr-en { + compatible = "regulator-fixed"; + + regulator-name = "USB_OTG_PWR"; + + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + /* + * signal name from schematics: USB_POWER - P5V0 + */ + vin-supply = <&p5v0>; + /* + * signal name from schematics: PWREN - GPIOAO.BIT5 + */ + gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_LOW>; + }; + leds { compatible = "gpio-leds"; blue { @@ -119,7 +136,6 @@ vcc_3v3: regulator-vcc-3v3 { regulator-name = "VCC3V3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; - vin-supply = <&p5v0>; }; @@ -382,4 +398,5 @@ &usb1_phy { &usb1 { status = "okay"; + vbus-supply = <&usb_pwr_en>; }; From patchwork Tue Aug 17 04:15:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 498243 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=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 AF2B7C4338F for ; Tue, 17 Aug 2021 04:18:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 927F460F14 for ; Tue, 17 Aug 2021 04:18:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237686AbhHQESc (ORCPT ); Tue, 17 Aug 2021 00:18:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230245AbhHQESb (ORCPT ); Tue, 17 Aug 2021 00:18:31 -0400 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 63CF8C061764; Mon, 16 Aug 2021 21:17:59 -0700 (PDT) Received: by mail-pj1-x1036.google.com with SMTP id n13-20020a17090a4e0d00b0017946980d8dso2778589pjh.5; Mon, 16 Aug 2021 21:17:59 -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=PpxBu92wuMGjuu73ePdt2ALcCgck/seakH/934m3wMk=; b=n5HdRhWN5TbSsnCX5eXDbIAbobwmKyo+CHqfdwkqrdHQnVLWXT8u+L8nIGHr/ECqzb LnEjs3TlTcURBN1F1O4OnGvtU9DhfM16sEj1b9HqXw4SBXTIimi/6pKKRuVvJz0RX65o wC7lDDVsPali39wzzZaYD6xBKsF+3meHaUR9BFSo8QlGS41AWghmEocachcYu+qygeDD ugY8xvQggKaURnuY5a3tr9/6uw1apcJav2Tb8OBA+lu/NLi6TlsmACO6bVzj0KVzDQQF huxwClnFDfmTO2ppMM8PEXUxM4vSXdvTFzQJz8cwQ9PxSLg8O4rOq+IUeau3DRAlenF+ M++A== 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=PpxBu92wuMGjuu73ePdt2ALcCgck/seakH/934m3wMk=; b=HRtdLVKZrNjCJZ/hkkmpL2TkMW2OtsmoP4LueuyzKEacL0IVrELkBn11XoBOYCBQ/s b2NBLhb+j42rlKE+1LB9uLn4gqsJccY17hjjhmtJjIM8TKIq4bu24trhduN8e70mN3MK UJQyMkSs4PGzhvoeIjfttVbqLKic7mM9unsswxZ2rBKktoQQjnrzh80QhCrKcSLIfIMc PJ4ywrdLC2vJK7dzBQBxji0B7hOkGEFERGqoFlsGolAwSTMIuOEdFHC02+ghIbv21Plo ca1gKRDF9cKrIcIdAxGSN1WuISQUbsUUqFFngtF1Ko2EafIiX+LaozNTfQDoBgpTKbEM rU/w== X-Gm-Message-State: AOAM530yzFIy9HhmqTrUK+UHSRyVMXWWcn3sRit5vhyBYjAWRZSFAVrX EkExSkCGhAiFCkiGUM38c44= X-Google-Smtp-Source: ABdhPJx9t0wz2w+3ZEoqQyOMi/HcbFuDmHp37FDbVUWs25k7cQkfmZM1eB4P53YnrNBeune7MzcWuA== X-Received: by 2002:a17:90b:4b45:: with SMTP id mi5mr1498660pjb.43.1629173879025; Mon, 16 Aug 2021 21:17:59 -0700 (PDT) Received: from archl-on1.. ([103.51.72.143]) by smtp.gmail.com with ESMTPSA id g11sm705676pfo.166.2021.08.16.21.17.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Aug 2021 21:17:58 -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 3/6] arm64: dts: amlogic: odroidc2: Fix the chip enable signal for usb power Date: Tue, 17 Aug 2021 09:45:37 +0530 Message-Id: <20210817041548.1276-4-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 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Fix the chip enable signal changing from Active High to Active Low to enable input power to USB power. Also updated signal name as per the schematics. Fixes: 5a0803bd5ae2 ("ARM64: dts: meson-gxbb-odroidc2: Enable USB Nodes") Cc: Martin Blumenstingl Signed-off-by: Anand Moon --- v2: Fix the typo: shematics -> schematics --- arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts index 201596247fd9..3f4f16a5dedd 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts @@ -38,12 +38,11 @@ usb_otg_pwr: regulator-usb-pwrs { regulator-max-microvolt = <5000000>; /* - * signal name from schematics: PWREN + * signal name from schematics: PWREN - GPIOAO.BIT5 */ - gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>; - enable-active-high; + gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_LOW>; /* - * signal name from schematics: USB_POWER + * signal name from schematics: USB_POWER - P5V0 */ vin-supply = <&p5v0>; }; From patchwork Tue Aug 17 04:15:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 498242 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=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 E5344C4338F for ; Tue, 17 Aug 2021 04:18:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C18B060F14 for ; Tue, 17 Aug 2021 04:18:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237767AbhHQES5 (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 Precedence: bulk List-ID: X-Mailing-List: devicetree@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; }