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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 913EEC4167D for ; Thu, 13 Oct 2022 00:20:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230152AbiJMAUA (ORCPT ); Wed, 12 Oct 2022 20:20:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230100AbiJMATR (ORCPT ); Wed, 12 Oct 2022 20:19:17 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8469815E0D9; Wed, 12 Oct 2022 17:17:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 77D9DB81CBD; Thu, 13 Oct 2022 00:17:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4B6C8C43470; Thu, 13 Oct 2022 00:17:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665620246; bh=rTa3Ku8s8RfWGDNKrTIwY1D75QMDAhQeks95usefagY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VfSJfGVefLMwLGnyI98VoGaxeUlUSqLvmyvlhUEyvwnYVSMifN6lwPDzkKtFM9qPL s/4oJDrYcZ0nAOuuqdpBH3E0yqQ2lPeBC7yjlMhgBeo2e3b2bmUJ3iw+iFj77lzhXP KOa5JejJHE6Cl4ha1xDMscz5+QUTqAnjJ/ntylrLeEswJScT9H+6S2kXqUjZUkzrbc xoiZM4JyyqcJjsBd0gjadw+DHWIaqfThXCPp0vcn4MqSuslj6nP98KDEKRkKX8v3MU b6nzdab1i2Kjc2sup4MJ3SsJ2R1xyscNjyJsDWPvc//182PdndLrXT7sL6q6ytnZkp 2JWRsyygZxxJw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alexander Stein , Li Jun , Greg Kroah-Hartman , Sasha Levin , Thinh.Nguyen@synopsys.com, linux-usb@vger.kernel.org Subject: [PATCH AUTOSEL 6.0 39/67] usb: dwc3: core: add gfladj_refclk_lpm_sel quirk Date: Wed, 12 Oct 2022 20:15:20 -0400 Message-Id: <20221013001554.1892206-39-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221013001554.1892206-1-sashal@kernel.org> References: <20221013001554.1892206-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alexander Stein [ Upstream commit a6fc2f1b092787e9d7dbe472d720cede81680315 ] This selects the SOF/ITP counter be running on ref_clk. As documented U2_FREECLK_EXISTS has to be set to 0 as well. Reviewed-by: Li Jun Signed-off-by: Alexander Stein Link: https://lore.kernel.org/r/20220915062855.751881-3-alexander.stein@ew.tq-group.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/dwc3/core.c | 8 +++++++- drivers/usb/dwc3/core.h | 2 ++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index d0237b30c9be..4123462cac9b 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -408,6 +408,10 @@ static void dwc3_ref_clk_period(struct dwc3 *dwc) reg |= FIELD_PREP(DWC3_GFLADJ_REFCLK_FLADJ_MASK, fladj) | FIELD_PREP(DWC3_GFLADJ_240MHZDECR, decr >> 1) | FIELD_PREP(DWC3_GFLADJ_240MHZDECR_PLS1, decr & 1); + + if (dwc->gfladj_refclk_lpm_sel) + reg |= DWC3_GFLADJ_REFCLK_LPM_SEL; + dwc3_writel(dwc->regs, DWC3_GFLADJ, reg); } @@ -789,7 +793,7 @@ static int dwc3_phy_setup(struct dwc3 *dwc) else reg |= DWC3_GUSB2PHYCFG_ENBLSLPM; - if (dwc->dis_u2_freeclk_exists_quirk) + if (dwc->dis_u2_freeclk_exists_quirk || dwc->gfladj_refclk_lpm_sel) reg &= ~DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS; dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); @@ -1525,6 +1529,8 @@ static void dwc3_get_properties(struct dwc3 *dwc) "snps,dis-tx-ipgap-linecheck-quirk"); dwc->parkmode_disable_ss_quirk = device_property_read_bool(dev, "snps,parkmode-disable-ss-quirk"); + dwc->gfladj_refclk_lpm_sel = device_property_read_bool(dev, + "snps,gfladj-refclk-lpm-sel-quirk"); dwc->tx_de_emphasis_quirk = device_property_read_bool(dev, "snps,tx_de_emphasis_quirk"); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 4fe4287dc934..11975a03316f 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -391,6 +391,7 @@ #define DWC3_GFLADJ_30MHZ_SDBND_SEL BIT(7) #define DWC3_GFLADJ_30MHZ_MASK 0x3f #define DWC3_GFLADJ_REFCLK_FLADJ_MASK GENMASK(21, 8) +#define DWC3_GFLADJ_REFCLK_LPM_SEL BIT(23) #define DWC3_GFLADJ_240MHZDECR GENMASK(30, 24) #define DWC3_GFLADJ_240MHZDECR_PLS1 BIT(31) @@ -1312,6 +1313,7 @@ struct dwc3 { unsigned dis_del_phy_power_chg_quirk:1; unsigned dis_tx_ipgap_linecheck_quirk:1; unsigned parkmode_disable_ss_quirk:1; + unsigned gfladj_refclk_lpm_sel:1; unsigned tx_de_emphasis_quirk:1; unsigned tx_de_emphasis:2; -- 2.35.1